S&P 500   5,011.12
DOW   37,775.38
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What's Driving Tesla Lower Ahead of its Earnings?
Stock market today: Asian markets sink, with Japan’s Nikkei down 3.5%, as Mideast tensions flare
How major US stock indexes fared Thursday, 4/18/2024
3 Steel Stocks Could Soar on New China Tariffs
CSX Co.: The Railroad Powering Ahead with an Earnings Beat
These are the Top 4 Stocks for Buybacks in 2024
'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China
S&P 500   5,011.12
DOW   37,775.38
QQQ   423.41
What's Driving Tesla Lower Ahead of its Earnings?
Stock market today: Asian markets sink, with Japan’s Nikkei down 3.5%, as Mideast tensions flare
How major US stock indexes fared Thursday, 4/18/2024
3 Steel Stocks Could Soar on New China Tariffs
CSX Co.: The Railroad Powering Ahead with an Earnings Beat
These are the Top 4 Stocks for Buybacks in 2024
'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China
S&P 500   5,011.12
DOW   37,775.38
QQQ   423.41
What's Driving Tesla Lower Ahead of its Earnings?
Stock market today: Asian markets sink, with Japan’s Nikkei down 3.5%, as Mideast tensions flare
How major US stock indexes fared Thursday, 4/18/2024
3 Steel Stocks Could Soar on New China Tariffs
CSX Co.: The Railroad Powering Ahead with an Earnings Beat
These are the Top 4 Stocks for Buybacks in 2024
'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China
S&P 500   5,011.12
DOW   37,775.38
QQQ   423.41
What's Driving Tesla Lower Ahead of its Earnings?
Stock market today: Asian markets sink, with Japan’s Nikkei down 3.5%, as Mideast tensions flare
How major US stock indexes fared Thursday, 4/18/2024
3 Steel Stocks Could Soar on New China Tariffs
CSX Co.: The Railroad Powering Ahead with an Earnings Beat
These are the Top 4 Stocks for Buybacks in 2024
'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China

Compare Stocks

Comparative Price Performance Over Time

Compare Stocks - Price & Volume

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Athenex, Inc. stock logo
ATNX
Athenex
$0.95
$0.20
$23.80
$1.76M1.36194,316 shs1.88 million shs
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
$2.55
-1.5%
$2.88
$1.91
$29.56
$77.98M0.41.36 million shs244,513 shs
Endo International plc stock logo
ENDP
Endo International
$0.00
$0.45
$0.28
$7.07
$141K1.1528.19 million shs3,358 shs
NextCure, Inc. stock logo
NXTC
NextCure
$1.57
+4.0%
$1.73
$0.98
$2.57
$43.80M0.4241,188 shs39,065 shs
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
$38.11
-0.9%
$42.98
$15.50
$52.57
$2.29B1.9637,169 shs439,034 shs
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Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Athenex, Inc. stock logo
ATNX
Athenex
0.00%0.00%0.00%0.00%-86.09%
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
-1.54%-8.60%-6.25%-0.78%-87.89%
Endo International plc stock logo
ENDP
Endo International
-85.00%+100.00%-25.00%+100.00%-99.12%
NextCure, Inc. stock logo
NXTC
NextCure
+3.97%-16.49%+9.79%+38.94%+1.29%
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
-0.88%-10.50%-2.58%-7.14%+80.36%

MarketRank™

CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Athenex, Inc. stock logo
ATNX
Athenex
N/AN/AN/AN/AN/AN/AN/AN/A
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
4.25 of 5 stars
3.24.00.04.52.52.50.6
Endo International plc stock logo
ENDP
Endo International
0.1928 of 5 stars
0.00.00.03.51.71.70.0
NextCure, Inc. stock logo
NXTC
NextCure
3.9654 of 5 stars
3.53.00.04.60.61.71.3
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
2.3781 of 5 stars
2.50.00.04.32.30.80.6

Analyst Ratings

CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Athenex, Inc. stock logo
ATNX
Athenex
N/AN/AN/AN/A
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
2.43
Hold$16.86561.06% Upside
Endo International plc stock logo
ENDP
Endo International
N/AN/AN/AN/A
NextCure, Inc. stock logo
NXTC
NextCure
3.00
Buy$6.00282.17% Upside
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
3.00
Buy$47.2023.85% Upside

Current Analyst Ratings

Latest NXTC, ATNX, BTAI, ENDP, and RYTM Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/18/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
Wells Fargo & Company
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetOverweight ➝ Overweight$53.00 ➝ $52.00
4/10/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$50.00
3/22/2024
NextCure, Inc. stock logo
NXTC
NextCure
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetBuy ➝ Buy$5.00 ➝ $8.00
3/20/2024
NextCure, Inc. stock logo
NXTC
NextCure
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$4.00
3/18/2024
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$11.00
3/14/2024
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
Canaccord Genuity Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$18.00 ➝ $7.00
3/13/2024
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
Bank of America
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$8.00 ➝ $7.00
2/22/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$50.00
2/21/2024
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
UBS Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Neutral$9.00 ➝ $4.00
1/26/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$50.00
1/25/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
The Goldman Sachs Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetBuy ➝ Buy$42.00 ➝ $52.00
(Data available from 4/19/2021 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Sales & Book Value

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Athenex, Inc. stock logo
ATNX
Athenex
$102.82M0.00N/AN/A($3.07) per share0.00
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
$1.38M56.51N/AN/A($1.89) per share-1.35
Endo International plc stock logo
ENDP
Endo International
$2.99B0.00$0.01 per share0.06($13.60) per share0.00
NextCure, Inc. stock logo
NXTC
NextCure
N/AN/AN/AN/A$4.10 per shareN/A
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
$77.43M29.60N/AN/A$2.87 per share13.28

Profitability & Earnings

CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Athenex, Inc. stock logo
ATNX
Athenex
-$103.43M-$15.88N/AN/AN/A-86.31%-727.79%-44.44%N/A
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
-$179.05M-$6.15N/AN/AN/A-12,974.86%-890.63%-144.88%5/13/2024 (Estimated)
Endo International plc stock logo
ENDP
Endo International
-$613.24M-$11.07N/A0.00N/A-93.31%-34.25%6.72%N/A
NextCure, Inc. stock logo
NXTC
NextCure
-$62.72M-$2.25N/AN/AN/AN/A-47.03%-42.59%5/2/2024 (Estimated)
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
-$184.68M-$3.20N/AN/AN/A-238.50%-96.02%-55.02%5/7/2024 (Estimated)

Latest NXTC, ATNX, BTAI, ENDP, and RYTM Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
3/21/2024Q4 2023
NextCure, Inc. stock logo
NXTC
NextCure
-$0.54-$0.52+$0.02-$0.52N/AN/A
3/12/2024Q4 2023
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
-$0.98-$0.76+$0.22-$0.76$1.17 million$0.38 million
2/22/2024Q4 2023
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
-$0.70-$0.70N/A-$0.70$25.38 million$24.23 million    

Dividends

CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Athenex, Inc. stock logo
ATNX
Athenex
N/AN/AN/AN/AN/A
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
N/AN/AN/AN/AN/A
Endo International plc stock logo
ENDP
Endo International
N/AN/AN/AN/AN/A
NextCure, Inc. stock logo
NXTC
NextCure
N/AN/AN/AN/AN/A
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
N/AN/AN/AN/AN/A

Debt

CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Athenex, Inc. stock logo
ATNX
Athenex
3.08
1.09
0.72
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
N/A
2.65
2.57
Endo International plc stock logo
ENDP
Endo International
N/A
1.86
1.62
NextCure, Inc. stock logo
NXTC
NextCure
N/A
16.38
16.38
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
N/A
5.58
5.43

Ownership

Institutional Ownership

CompanyInstitutional Ownership
Athenex, Inc. stock logo
ATNX
Athenex
30.48%
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
30.68%
Endo International plc stock logo
ENDP
Endo International
80.39%
NextCure, Inc. stock logo
NXTC
NextCure
42.65%
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
N/A

Insider Ownership

CompanyInsider Ownership
Athenex, Inc. stock logo
ATNX
Athenex
9.20%
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
35.80%
Endo International plc stock logo
ENDP
Endo International
1.20%
NextCure, Inc. stock logo
NXTC
NextCure
11.90%
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
4.70%

Miscellaneous

CompanyEmployeesShares OutstandingFree FloatOptionable
Athenex, Inc. stock logo
ATNX
Athenex
6528.66 million7.87 millionOptionable
BioXcel Therapeutics, Inc. stock logo
BTAI
BioXcel Therapeutics
7430.58 million19.63 millionOptionable
Endo International plc stock logo
ENDP
Endo International
3,103235.14 million232.32 millionNo Data
NextCure, Inc. stock logo
NXTC
NextCure
8227.90 million24.58 millionOptionable
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
22660.14 million57.31 millionOptionable

NXTC, ATNX, BTAI, ENDP, and RYTM Headlines

SourceHeadline
Carnival RhythmCarnival Rhythm
kotaku.com - April 18 at 4:32 PM
Rhythm Foundations New Executive Director Brings an Aspirational Vision for the FutureRhythm Foundation's New Executive Director Brings an Aspirational Vision for the Future
miaminewtimes.com - April 18 at 11:31 AM
Rhythm Pharmaceuticals (NASDAQ:RYTM) Price Target Cut to $52.00 by Analysts at Wells Fargo & CompanyRhythm Pharmaceuticals (NASDAQ:RYTM) Price Target Cut to $52.00 by Analysts at Wells Fargo & Company
marketbeat.com - April 18 at 9:13 AM
Jazz at the Lobero Features The Marcus Roberts Trio – Rhythm in BlueJazz at the Lobero Features The Marcus Roberts Trio – Rhythm in Blue
noozhawk.com - April 17 at 5:45 PM
Green Levels Rhythm & Blues and Barbecue is SaturdayGreen Level's Rhythm & Blues and Barbecue is Saturday
thetimesnews.com - April 17 at 12:44 PM
Switch Review - Witchs Rhythm PuzzleSwitch Review - 'Witch's Rhythm Puzzle'
worthplaying.com - April 17 at 2:43 AM
Rhythm Pharmaceuticals Announces New Employment Inducement GrantsRhythm Pharmaceuticals Announces New Employment Inducement Grants
globenewswire.com - April 16 at 4:01 PM
The Kids-N-Hope Foundation raises over $26,000 during 3rd annual Rhapsody and Rhythm Walk-A-Thon & 5K 2024The Kids-N-Hope Foundation raises over $26,000 during 3rd annual Rhapsody and Rhythm Walk-A-Thon & 5K 2024
cuinsight.com - April 15 at 10:56 PM
Concert for a cause | Rhythm City CasinoConcert for a cause | Rhythm City Casino
ourquadcities.com - April 15 at 5:55 PM
Morecambe “Rhythm Makers” invited to help co-create Eden Project experienceMorecambe “Rhythm Makers” invited to help co-create Eden Project experience
edenproject.com - April 15 at 12:55 PM
Bristol Rhythm AFC unveils teams jerseysBristol Rhythm AFC unveils team's jerseys
wcyb.com - April 14 at 9:08 PM
Market Sentiment Around Loss-Making Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM)Market Sentiment Around Loss-Making Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM)
finance.yahoo.com - April 14 at 10:32 AM
HARBER Returns To Lowly with Pop-Dance Hit Caught In A RhythmHARBER Returns To Lowly with Pop-Dance Hit 'Caught In A Rhythm'
daily-beat.com - April 12 at 8:35 PM
Rhythm Pharmaceuticals (NASDAQ:RYTM) Rating Reiterated by Needham & Company LLCRhythm Pharmaceuticals (NASDAQ:RYTM) Rating Reiterated by Needham & Company LLC
americanbankingnews.com - April 12 at 2:46 AM
Rhythm and Autism comes to Fertile Ground FestivalRhythm and Autism comes to Fertile Ground Festival
yahoo.com - April 11 at 12:32 PM
Alpha Rhythm Kings band bringing classic sounds to San FranciscoAlpha Rhythm Kings band bringing classic sounds to San Francisco
kron4.com - April 11 at 2:31 AM
4/19: Atlanta Rhythm Section at NRCC4/19: Atlanta Rhythm Section at NRCC
nrvnews.com - April 10 at 9:30 PM
5 Analysts Assess Rhythm Pharmaceuticals: What You Need To Know5 Analysts Assess Rhythm Pharmaceuticals: What You Need To Know
markets.businessinsider.com - April 10 at 4:29 PM
Lee Brice coming to Rhythm City CasinoLee Brice coming to Rhythm City Casino
msn.com - April 10 at 11:29 AM
Rhythm & Blues Legend Clarence ‘Frogman’ Henry Dies Aged 87Rhythm & Blues Legend Clarence ‘Frogman’ Henry Dies Aged 87
noise11.com - April 9 at 10:48 PM
Get Rhythm with Cash and Carter tribute showGet Rhythm with Cash and Carter tribute show
bundabergnow.com - April 9 at 5:47 PM
Writers Rachana Shah and Rhythm Wagholikar Dedicate a Beautiful Song to Prime Minister Narendra ModiWriters Rachana Shah and Rhythm Wagholikar Dedicate a Beautiful Song to Prime Minister Narendra Modi
filmfare.com - April 9 at 12:47 PM
Hendersonvilles 2024 Rhythm and Brews lineup announcedHendersonville's 2024 Rhythm and Brews lineup announced
msn.com - April 9 at 7:47 AM
Rising Chorus: Rachana Shah and Rhythm Wagholikar’s Anthem for Prime Minister ModiRising Chorus: Rachana Shah and Rhythm Wagholikar’s Anthem for Prime Minister Modi
msn.com - April 8 at 7:51 AM

New MarketBeat Followers Over Time

Media Sentiment Over Time

Company Descriptions

Athenex logo

Athenex

NASDAQ:ATNX
Athenex, Inc. is a biopharmaceutical company, which engages in the discovery, development, and commercialization of novel therapies for the treatment of cancer. It operates through the Oncology Innovation Platform and Commercial Platform segments. The Oncology Innovation Platform segment focuses on the research and development of proprietary drugs. The Commercial Platform segment covers the sale and market of specialty drugs and market development of proprietary drugs. The company was founded by Lyn M. Dyster and David G. Hangauer in November 2003 and is headquartered in Buffalo, NY.
BioXcel Therapeutics logo

BioXcel Therapeutics

NASDAQ:BTAI
BioXcel Therapeutics, Inc., a commercial-stage biopharmaceutical company, engages in utilizing artificial intelligence approaches to develop transformative medicines in neuroscience and immuno-oncology. The company's drug re-innovation approach leverages existing approved drugs and/or clinically validated product candidates together with big data and proprietary machine learning algorithms to identify new therapeutic indices. Its commercial product, IGALMI, a sublingual film formulation of dexmedetomidine for the acute treatment of agitation associated with schizophrenia or bipolar I or II disorder in adults. The company also continues to conduct clinical trials evaluating BXCL501 for the acute treatment of agitation in Alzheimer's disease patients, and for adjunctive treatment of patients with major depressive disorder, as well as in the community for agitation associated with bipolar disorders and schizophrenia. In addition, it is developing BXCL502 as a potential therapy for chronic agitation in dementia; and BXCL701, an investigational, orally innate immunity activator for the treatment of aggressive forms of prostate cancer, pancreatic cancer, and other solid and liquid tumors; BXCL503, a drug candidate to target apathy in dementia; and BXCL504, a drug candidate to target aggression in dementia. BioXcel Therapeutics, Inc. was incorporated in 2017 and is headquartered in New Haven, Connecticut.
Endo International logo

Endo International

NASDAQ:ENDP
Endo International plc, a specialty pharmaceutical company, manufactures and sells generic and branded pharmaceuticals in the United States and internationally. Its Branded Pharmaceuticals segment provides branded prescription products, including XIAFLEX to treat adult patients with Dupuytren's contracture; SUPPRELIN LA to treat central precocious puberty in children; NASCOBAL nasal spray to treat vitamin B12 deficiency; AVEED to treat hypogonadism; QWO, an injectable treatment for moderate to severe cellulite in the buttocks of adult women; PERCOCET to treat moderate-to-moderately-severe pain; TESTOPEL an implantable pellet indicated for TRT in conditions associated with a deficiency or absence of endogenous testosterone; EDEX to treat erectile dysfunction; LIDODERM a topical patch product containing lidocaine for the relief of pain; and products for the pain management and urology. The company's Sterile Injectables segment manufactures VASOSTRICT, a vasopressin injection; ADRENALIN, a non-selective adrenergic agonist; and APLISOL, which is a sterile aqueous solution, as well as generic sterile injectable products, including ertapenem for injections and ephedrine sulfate injections. Its Generic Pharmaceuticals segment offers solid oral extended-release, solid oral immediate-release, liquids, semi-solids, patches, powders, ophthalmic products, and sprays. The company's International Pharmaceuticals segment offers specialty pharmaceutical products in various therapeutic areas comprising attention deficit hyperactivity disorder, pain, women's health, oncology, and transplantation. The company sells its branded pharmaceuticals and generics to specialty physicians, retailers, clinics, government agencies, doctors, retail and specialty pharmacies, and specialty distributors. Endo International plc was founded in 1920 and is headquartered in Dublin, Ireland.
NextCure logo

NextCure

NASDAQ:NXTC
NextCure, Inc., a clinical-stage biopharmaceutical company, engages in discovering and developing novel immunomedicines to treat cancer and other immune-related diseases by restoring normal immune function. The company is developing NC410, an immunomedicine designed to block immune suppression mediated by LAIR-1; NC762, a monoclonal antibody that binds specifically to B7-H4, a protein expressed on multiple tumor types; and NC525, a monoclonal antibody that binds to LAIR-1 to functionally kill AML blast cells and leukemic stem cells while preserving normal blood cells, including hematopoietic stem cells. Its discovery and research programs include an antibody in preclinical evaluation of other potential novel immunomodulatory molecules. The company has a license agreement with Yale University. NextCure, Inc. was incorporated in 2015 and is headquartered in Beltsville, Maryland.
Rhythm Pharmaceuticals logo

Rhythm Pharmaceuticals

NASDAQ:RYTM
Rhythm Pharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on the rare neuroendocrine diseases. The company's lead product candidate is IMCIVREE (setmelanotide), a rare melanocortin-4 receptor for the treatment of pro-opiomelanocortin (POMC), proprotein convertase subtilisin/kexin type 1, leptin receptor (LEPR) deficiency obesity, and Bardet-Biedl and Alström syndrome. It is in Phase 3 clinical trials for treating POMC or LEPR heterozygous deficiency obesities, steroid receptor coactivator 1 deficiency obesity, SH2B1 deficiency obesity, MC4 receptor deficiency obesity, and other MC4R disorders. The company has licensing agreements with LG Chem, Ltd; Ipsen Pharma S.A.S; Camurus; RareStone Group Ltd.; and LG Chem, Ltd. The company was formerly known as Rhythm Metabolic, Inc. and changed its name to Rhythm Pharmaceuticals, Inc. in October 2015. Rhythm Pharmaceuticals, Inc. was founded in 2008 and is headquartered in Boston, Massachusetts.