Compare Stocks

Comparative Price Performance Over Time

Compare Stocks - Price & Volume

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
$0.79
-21.7%
$6.76
$2.06
$7.01
$110.80M1.598.44 million shs1,910 shs
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
$4.71
-2.3%
$5.69
$1.18
$9.39
$538.07M1.911.78 million shs344,374 shs
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
$20.26
-0.3%
$19.14
$13.02
$22.09
$1.44B0.32404,867 shs272,503 shs
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
$10.10
-1.4%
$9.80
$6.07
$17.02
$591.05M0.67806,445 shs537,546 shs
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
$38.92
-1.1%
$40.68
$15.50
$52.57
$2.37B1.94640,955 shs1.19 million shs
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Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
0.00%0.00%0.00%0.00%+259.63%
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
-2.28%+6.08%-16.78%+73.80%+180.36%
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
-0.34%+4.43%+14.59%+6.52%+47.24%
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
-1.37%+9.07%-9.09%+44.80%-15.76%
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
-1.09%-6.06%-6.89%-18.15%+127.47%

MarketRank™

CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
N/AN/AN/AN/AN/AN/AN/AN/A
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
4.8458 of 5 stars
4.54.00.04.72.23.30.6
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
2.9301 of 5 stars
3.51.00.00.03.13.31.3
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
2.1436 of 5 stars
3.40.00.00.02.44.20.6
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
3.0007 of 5 stars
3.40.00.04.31.10.80.6

Analyst Ratings

CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
N/AN/AN/AN/A
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
3.00
Buy$11.00133.55% Upside
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
3.00
Buy$31.0053.01% Upside
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
2.80
Moderate Buy$22.00117.82% Upside
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
2.83
Moderate Buy$54.3339.60% Upside

Current Analyst Ratings

Latest RYTM, KNSA, PHAT, ACHN, and APLT Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/8/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
Canaccord Genuity Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$80.00 ➝ $79.00
5/8/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
Bank of America
Subscribe to MarketBeat All Access for the recommendation accuracy rating
DowngradeBuy ➝ Neutral$49.00 ➝ $42.00
5/7/2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$50.00 ➝ $46.00
5/3/2024
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
Wells Fargo & Company
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageOverweight$34.00
5/3/2024
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$26.00
5/3/2024
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
Stifel Nicolaus
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageBuy$24.00
5/1/2024
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
JPMorgan Chase & Co.
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetOverweight ➝ Overweight$26.00 ➝ $30.00
4/26/2024
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
Needham & Company LLC
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$26.00
4/26/2024
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
4/24/2024
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
Evercore ISI
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Boost Price TargetOutperform ➝ Outperform$25.00 ➝ $30.00
4/23/2024
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
Wedbush
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingOutperform$30.00
(Data available from 5/9/2021 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Sales & Book Value

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
N/AN/AN/AN/A$1.92 per shareN/A
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
$9.99M53.86N/AN/A($0.20) per share-23.55
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
$270.26M5.32N/AN/A$6.23 per share3.25
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
$680K869.19N/AN/A($1.27) per share-7.95
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
$77.43M30.65N/AN/A$2.87 per share13.56

Profitability & Earnings

CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
-$70.27M-$0.51N/AN/AN/AN/A-30.95%-29.09%N/A
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
-$119.76M-$1.35N/AN/AN/AN/AN/A-275.83%5/9/2024 (Estimated)
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
$14.08M$0.11184.2051.95N/A2.78%-7.26%-6.09%7/23/2024 (Estimated)
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
-$201.59M-$3.88N/AN/AN/AN/AN/A-63.40%5/9/2024 (Confirmed)
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
-$184.68M-$3.20N/AN/AN/A-238.50%-96.02%-55.02%8/6/2024 (Estimated)

Latest RYTM, KNSA, PHAT, ACHN, and APLT Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/9/2024N/A
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
-$1.13N/A+$1.13N/AN/AN/A  
5/7/2024Q1 2024
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
-$2.34-$2.35-$0.01-$2.35$26.90 million$26.00 million    
4/23/2024Q1 2024
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
-$0.14-$0.25-$0.11-$0.25$76.97 million$79.90 million    
3/7/2024Q4 2023
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
-$0.92-$0.80+$0.12-$0.21$0.93 million$0.68 million    
3/6/2024Q4 2023
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
-$0.15-$0.33-$0.18-$0.33N/A($0.67) million
2/28/2024Q4 2023
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
-$0.11$0.04+$0.15-$0.27$72.31 million$83.40 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
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
N/AN/AN/AN/AN/A
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
N/AN/AN/AN/AN/A
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
N/AN/AN/AN/AN/A
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
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
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
0.01
8.96
8.96
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
N/A
0.76
0.76
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
N/A
4.21
3.79
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
N/A
10.25
10.22
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
N/A
5.58
5.43

Ownership

Miscellaneous

CompanyEmployeesShares OutstandingFree FloatOptionable
Achillion Pharmaceuticals, Inc. stock logo
ACHN
Achillion Pharmaceuticals
56140.05 millionN/AOptionable
Applied Therapeutics, Inc. stock logo
APLT
Applied Therapeutics
25114.24 million92.42 millionOptionable
Kiniksa Pharmaceuticals, Ltd. stock logo
KNSA
Kiniksa Pharmaceuticals
29770.94 million32.23 millionOptionable
Phathom Pharmaceuticals, Inc. stock logo
PHAT
Phathom Pharmaceuticals
45258.52 million44.42 millionOptionable
Rhythm Pharmaceuticals, Inc. stock logo
RYTM
Rhythm Pharmaceuticals
22660.97 million58.11 millionOptionable

RYTM, KNSA, PHAT, ACHN, and APLT Headlines

SourceHeadline
Uncap the essence of the Himalayas: Rhythm water offers Still & Sparkling optionsUncap the essence of the Himalayas: Rhythm water offers Still & Sparkling options
zeebiz.com - May 9 at 5:18 AM
B of A Securities Downgrades Rhythm Pharmaceuticals (RYTM)B of A Securities Downgrades Rhythm Pharmaceuticals (RYTM)
msn.com - May 9 at 5:18 AM
Needham & Company LLC Lowers Rhythm Pharmaceuticals (NASDAQ:RYTM) Price Target to $46.00Needham & Company LLC Lowers Rhythm Pharmaceuticals (NASDAQ:RYTM) Price Target to $46.00
americanbankingnews.com - May 9 at 4:22 AM
Spin Rhythm XD - Official VR & PlayStation Launch TrailerSpin Rhythm XD - Official VR & PlayStation Launch Trailer
msn.com - May 8 at 7:17 PM
Spin Rhythm XD Comes To PS4 And PS5 In July, Adds VR Functionality To PSVR 2 And PCVR - Trailer'Spin Rhythm XD' Comes To PS4 And PS5 In July, Adds VR Functionality To PSVR 2 And PCVR - Trailer
worthplaying.com - May 8 at 7:17 PM
Steady Performance and Promising European Growth Justify Buy Rating for Rhythm PharmaceuticalsSteady Performance and Promising European Growth Justify Buy Rating for Rhythm Pharmaceuticals
markets.businessinsider.com - May 8 at 7:17 PM
Maintaining Buy Rating on Rhythm Pharmaceuticals: Positive Outlook Amidst Growth and Upcoming CatalystsMaintaining Buy Rating on Rhythm Pharmaceuticals: Positive Outlook Amidst Growth and Upcoming Catalysts
markets.businessinsider.com - May 8 at 7:17 PM
Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM) Q1 2024 Earnings Call TranscriptRhythm Pharmaceuticals, Inc. (NASDAQ:RYTM) Q1 2024 Earnings Call Transcript
finance.yahoo.com - May 8 at 7:17 PM
Rhythm Pharmaceuticals, Inc. (NASDAQ:RYTM) Receives Average Recommendation of "Moderate Buy" from BrokeragesRhythm Pharmaceuticals, Inc. (NASDAQ:RYTM) Receives Average Recommendation of "Moderate Buy" from Brokerages
marketbeat.com - May 8 at 3:16 PM
Rhythm Pharmaceuticals (NASDAQ:RYTM) PT Lowered to $79.00Rhythm Pharmaceuticals (NASDAQ:RYTM) PT Lowered to $79.00
marketbeat.com - May 8 at 2:34 PM
Rhythm Pharmaceuticals (NASDAQ:RYTM) Posts  Earnings Results, Misses Expectations By $0.01 EPSRhythm Pharmaceuticals (NASDAQ:RYTM) Posts Earnings Results, Misses Expectations By $0.01 EPS
marketbeat.com - May 8 at 8:41 AM
Rhythm Pharmaceuticals Inc (RYTM) Q1 2024 Earnings Call Transcript Highlights: A Detailed ...Rhythm Pharmaceuticals Inc (RYTM) Q1 2024 Earnings Call Transcript Highlights: A Detailed ...
finance.yahoo.com - May 8 at 8:08 AM
Rhythm Pharmaceuticals (NASDAQ:RYTM) Lowered to "Neutral" at Bank of AmericaRhythm Pharmaceuticals (NASDAQ:RYTM) Lowered to "Neutral" at Bank of America
marketbeat.com - May 8 at 7:12 AM
Q1 2024 Rhythm Pharmaceuticals Inc Earnings CallQ1 2024 Rhythm Pharmaceuticals Inc Earnings Call
finance.yahoo.com - May 8 at 3:08 AM
Rhythm Pharmaceuticals (NASDAQ:RYTM) Shares Gap Down  on Analyst DowngradeRhythm Pharmaceuticals (NASDAQ:RYTM) Shares Gap Down on Analyst Downgrade
americanbankingnews.com - May 8 at 1:56 AM
Buy Rating Affirmed: Rhythm Pharmaceuticals’ Growth and Clinical Advancements Fuel OptimismBuy Rating Affirmed: Rhythm Pharmaceuticals’ Growth and Clinical Advancements Fuel Optimism
markets.businessinsider.com - May 7 at 4:53 PM
Buy Rating Affirmed for Rhythm Pharmaceuticals Amid Positive Prescription Growth and Pipeline PotentialBuy Rating Affirmed for Rhythm Pharmaceuticals Amid Positive Prescription Growth and Pipeline Potential
markets.businessinsider.com - May 7 at 4:53 PM
RYTM Stock Earnings: Rhythm Pharmaceuticals Misses EPS, Misses Revenue for Q1 2024RYTM Stock Earnings: Rhythm Pharmaceuticals Misses EPS, Misses Revenue for Q1 2024
msn.com - May 7 at 4:53 PM
The 3 Best Nasdaq Stocks to Buy in May 2024The 3 Best Nasdaq Stocks to Buy in May 2024
investorplace.com - May 7 at 2:52 PM
Rhythm Pharmaceuticals (NASDAQ:RYTM) Given New $46.00 Price Target at Needham & Company LLCRhythm Pharmaceuticals (NASDAQ:RYTM) Given New $46.00 Price Target at Needham & Company LLC
marketbeat.com - May 7 at 2:35 PM
Marvelle Healthcare Revolutionizes Hydration with the Debut of Premium Natural Mineral Water Brand, RhythmMarvelle Healthcare Revolutionizes Hydration with the Debut of Premium Natural Mineral Water Brand, Rhythm
msn.com - May 7 at 11:53 AM
Rhythm Pharmaceuticals GAAP EPS of -$2.35 misses by $0.33, revenue of $25.97M misses by $0.93MRhythm Pharmaceuticals GAAP EPS of -$2.35 misses by $0.33, revenue of $25.97M misses by $0.93M
msn.com - May 7 at 11:53 AM
Rhythm Pharmaceuticals Reports Q1 2024 Results: Revenue Growth Amidst ChallengesRhythm Pharmaceuticals Reports Q1 2024 Results: Revenue Growth Amidst Challenges
finance.yahoo.com - May 7 at 11:52 AM
Rhythm Pharmaceuticals, Inc. (RYTM) Reports Q1 Loss, Misses Revenue EstimatesRhythm Pharmaceuticals, Inc. (RYTM) Reports Q1 Loss, Misses Revenue Estimates
zacks.com - May 7 at 9:16 AM

New MarketBeat Followers Over Time

Media Sentiment Over Time

Company Descriptions

Achillion Pharmaceuticals logo

Achillion Pharmaceuticals

NASDAQ:ACHN
Achillion Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, discovers, develops, and commercializes small molecule drug therapies for immune system disorders. Its lead drug candidate is ACH-4471, an inhibitor of factor D that is Phase II clinical trials for patients with paroxysmal nocturnal hemoglobinuria (PNH) and C3 glomerulopathy/immune complex membranoproliferative glomerulonephritis. The company is also developing ACH-5228, a factor D inhibitor that is in Phase I clinical trials; and ACH-5548, a factor D inhibitor, which is in Phase I clinical trials for the treatment of PNH and other complement mediated diseases. It has license agreements with Ora, Inc. for the development and commercialization of ACH-702; and GCA Therapeutics, Ltd for elvucitabine, a nucleoside reverse transcriptase inhibitor for the treatment of hepatitis B infection and human immunodeficiency virus infection. The company was founded in 1998 and is based in New Haven, Connecticut.
Applied Therapeutics logo

Applied Therapeutics

NASDAQ:APLT
Applied Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the development of a pipeline of novel product candidates against validated molecular targets in indications of high unmet medical need in the United States. The company's lead product candidate is AT-007 (also called govorestat) that has completed phase 3 for the treatment of galactosemia in healthy volunteers and adults, in pediatric clinical study for the treatment of galactosemia in kids, for treating enzyme sorbitol dehydrogenase, and for the treatment of phosphomannomutase enzyme-CDG. It also develops AT-001 (also called caficrestat) that is in phase 3 clinical trials to treat diabetic cardiomyopathy, as well as for the treatment of diabetic peripheral neuropathy; and AT-003, which is in preclinical studies for the treatment diabetic retinopathy. The company has exclusive license and supply agreement with Mercury Pharma Group Limited to commercialize drug products containing AT-007. Applied Therapeutics, Inc. was incorporated in 2016 and is headquartered in New York, New York.
Kiniksa Pharmaceuticals logo

Kiniksa Pharmaceuticals

NASDAQ:KNSA
Kiniksa Pharmaceuticals, Ltd., a biopharmaceutical company, focuses on discovering, acquiring, developing, and commercializing therapeutic medicines for patients suffering from debilitating diseases with significant unmet medical needs worldwide. Its product candidates include ARCALYST, an interleukin-1alpha and interleukin-1beta, for the treatment of recurrent pericarditis, which is an inflammatory cardiovascular disease; Mavrilimumab, a monoclonal antibody inhibitor that completed Phase II clinical trials for the treatment of giant cell arteritis; Vixarelimab, a monoclonal antibody, that is in Phase 2b clinical trial for the treatment of prurigo nodularis, a chronic inflammatory skin condition; and KPL-404, a monoclonal antibody inhibitor of the CD40- CD154 interaction, a T-cell co-stimulatory signal critical for B-cell maturation, immunoglobulin class switching, and type 1 immune response. The company was incorporated in 2015 and is based in Hamilton, Bermuda.
Phathom Pharmaceuticals logo

Phathom Pharmaceuticals

NASDAQ:PHAT
Phathom Pharmaceuticals, Inc., biopharmaceutical company, focuses on developing and commercializing treatments for gastrointestinal diseases. The company has the rights in the United States, Europe, and Canada for an investigational potassium-competitive acid blocker (P-CAB) that blocks acid secretion in the stomach. It is also developing vonoprazan for the treatment of erosive gastroesophageal reflux disease; and in combination with antibiotics for the treatment of Helicobacter pylori infection. The company was incorporated in 2018 and is headquartered in Florham Park, New Jersey.
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.