Go Pro

Compare Stocks

Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
$2.60
+1.6%
$2.39
$1.70
$19.35
$25.95M1.2956,216 shs95,873 shs
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
$8.09
-4.9%
$9.40
$3.92
$19.15
$72.89M0.1255,414 shs66,247 shs
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
$1.96
-2.5%
$1.99
$1.56
$3.95
$76.75M0.9639,317 shs13,526 shs
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
$1.09
+3.8%
$1.21
$0.89
$2.09
$74.96M-0.2493,616 shs53,441 shs
7 Stocks to Buy And Hold Forever Cover

Click the link to see MarketBeat's list of seven stocks and why their long-term outlooks are very promising.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
0.00%+10.17%+8.79%-46.39%-77.94%
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
0.00%-4.26%-7.22%-15.55%-33.31%
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
0.00%-5.31%-10.91%+13.95%-14.78%
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
0.00%-6.03%-8.40%-13.49%-31.88%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
$2.60
+1.6%
$2.39
$1.70
$19.35
$25.95M1.2956,216 shs95,873 shs
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
$8.09
-4.9%
$9.40
$3.92
$19.15
$72.89M0.1255,414 shs66,247 shs
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
$1.96
-2.5%
$1.99
$1.56
$3.95
$76.75M0.9639,317 shs13,526 shs
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
$1.09
+3.8%
$1.21
$0.89
$2.09
$74.96M-0.2493,616 shs53,441 shs
7 Stocks to Buy And Hold Forever Cover

Click the link to see MarketBeat's list of seven stocks and why their long-term outlooks are very promising.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
0.00%+10.17%+8.79%-46.39%-77.94%
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
0.00%-4.26%-7.22%-15.55%-33.31%
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
0.00%-5.31%-10.91%+13.95%-14.78%
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
0.00%-6.03%-8.40%-13.49%-31.88%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
2.20
Hold$20.33682.05% Upside
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
2.00
Hold$9.5017.43% Upside
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
2.67
Moderate Buy$5.50180.61% Upside
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
2.00
HoldN/AN/A

Current Analyst Ratings Breakdown

Latest ATOS, TELO, SERA, and ATRA Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
7/31/2026
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
DowngradeSell (D-)Sell (E+)
7/31/2026
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
DowngradeSell (D-)Sell (E+)
7/17/2026
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
Reiterated RatingSell (E+)
7/16/2026
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
UpgradeSell (E+)Sell (D-)
7/15/2026
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
UpgradeSell (E+)Sell (D-)
7/7/2026
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
Initiated CoverageBuy$12.00
6/17/2026
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
DowngradeSell (D-)Sell (E+)
6/11/2026
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
DowngradeSell (D-)Sell (E+)
6/11/2026
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
DowngradeSell (D)Sell (E+)
6/4/2026
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
Initiated CoverageBuy$6.00
5/22/2026
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
UpgradeSell (E+)Sell (D-)
(Data available from 8/16/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
N/AN/AN/AN/A$4.57 per shareN/A
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
$120.77M0.60$4.87 per share1.66($5.34) per share-1.51
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
$80K959.42N/AN/A$1.94 per share1.01
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
N/AN/AN/AN/A$0.17 per shareN/A
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
-$34.77M-$3.11N/AN/AN/AN/A-102.99%-85.78%N/A
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
$32.69M-$1.18N/A5.78N/A-269.42%-79.12%-73.01%10/29/2026 (Estimated)
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
-$31.93M-$0.67N/AN/AN/A-47,475.72%-46.71%-34.06%N/A
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
-$10.41M-$0.91N/AN/AN/AN/A-102.70%-90.75%9/2/2026 (Estimated)

Latest ATOS, TELO, SERA, and ATRA Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
9/2/2026N/A
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
-$0.07N/AN/AN/AN/AN/A
8/13/2026Q2 2026
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
-$0.07-$0.79-$0.72-$0.79N/AN/A
8/12/2026Q2 2026
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
-$0.3150-$0.32-$0.0050-$0.32$0.55 million$0.63 million
8/12/2026Q2 2026
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
-$0.1542-$0.18-$0.0258-$0.18$0.07 million$0.03 million
8/7/2026Q2 2026
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
-$1.02-$0.95+$0.07-$0.95N/AN/A
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
N/AN/AN/AN/AN/A
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
N/AN/AN/AN/AN/A
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
N/AN/AN/AN/AN/A
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
N/A
5.69
5.14
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
N/A
1.98
1.98
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
N/A
1.98
1.98
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
N/A
16.16
16.16

Institutional Ownership

CompanyInstitutional Ownership
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
12.74%
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
70.90%
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
54.64%
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
N/A

Insider Ownership

CompanyInsider Ownership
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
9.80%
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
41.20%
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
11.30%
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
16.36%
CompanyEmployeesShares OutstandingFree FloatOptionable
Atossa Genetics Inc. stock logo
ATOS
Atossa Genetics
89.98 million9.00 millionOptionable
Atara Biotherapeutics, Inc. stock logo
ATRA
Atara Biotherapeutics
3309.01 million5.30 millionNo Data
Sera Prognostics, Inc. stock logo
SERA
Sera Prognostics
12039.16 million34.73 millionOptionable
Telomir Pharmaceuticals, Inc. stock logo
TELO
Telomir Pharmaceuticals
168.78 million57.52 millionN/A

Recent News About These Companies

TELO Telomir Pharmaceuticals, Inc.
Telomir Pharmaceuticals Inc TELO
Telomir Pharmaceuticals Inc.

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

View All Headlines
Atossa Genetics stock logo

Atossa Genetics NASDAQ:ATOS

$2.60 +0.04 (+1.56%)
Closing price 08/14/2026 04:00 PM Eastern
Extended Trading
$2.61 +0.01 (+0.38%)
As of 08/14/2026 07:34 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Atossa Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops medicines in the areas of unmet medical need in oncology for women breast cancer and other conditions in the United States. The company's lead drug candidate is oral (Z)-endoxifen, an active metabolite of tamoxifen, which is in Phase II clinical trials to treat and prevent breast cancer. It also develops immunotherapy/chimeric antigen receptor therapy programs. The company was formerly known as Atossa Genetics Inc. and changed its name to Atossa Therapeutics, Inc. in January 2020. Atossa Therapeutics, Inc. was founded in 2008 and is headquartered in Seattle, Washington.

Atara Biotherapeutics stock logo

Atara Biotherapeutics NASDAQ:ATRA

$8.09 -0.42 (-4.94%)
As of 08/14/2026 04:00 PM Eastern

Atara Biotherapeutics, Inc. engages in the development of transformative therapies for patients with solid tumors, hematologic cancers, and autoimmune diseases in the United States and the United Kingdom. Its lead product includes Tab-cel (tabelecleucel), a T-cell immunotherapy program that is in Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferative disease, as well as nasopharyngeal carcinoma. Its CAR T immunotherapy pipeline products include ATA3219, currently in Phase 1 trials, as well as ATA3431, under preclinical trials for the treatment of B-cell malignancies and autoimmune diseases; and ATA188 that is in Phase 2 clinical trials to treat multiple sclerosis. The company has research collaboration agreements with Memorial Sloan Kettering Cancer Center, and Council of the Queensland Institute of Medical Research. Atara Biotherapeutics, Inc. was incorporated in 2012 and is headquartered in Thousand Oaks, California.

Sera Prognostics stock logo

Sera Prognostics NASDAQ:SERA

$1.96 -0.05 (-2.49%)
Closing price 08/14/2026 04:00 PM Eastern
Extended Trading
$1.96 +0.01 (+0.26%)
As of 08/14/2026 07:57 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Sera Prognostics, Inc., a women's health diagnostic company, discovers, develops, and commercializes biomarker tests for improving pregnancy outcomes in the United States. The company develops PreTRM test, a blood-based biomarker test to predict the risk of spontaneous preterm birth in singleton pregnancies. It is also developing a portfolio of product candidates for various pregnancy-related conditions, including preterm birth, preeclampsia, molecular time-to-birth, predictive analytics, gestational diabetes mellitus, fetal growth restriction, stillbirth, and postpartum depression. The company was incorporated in 2008 and is headquartered in Salt Lake City, Utah.

Telomir Pharmaceuticals stock logo

Telomir Pharmaceuticals NASDAQ:TELO

$1.09 +0.04 (+3.81%)
Closing price 08/14/2026 04:00 PM Eastern
Extended Trading
$1.08 -0.01 (-0.46%)
As of 08/14/2026 07:52 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Telomir Pharmaceuticals, Inc., a pre-clinical-stage pharmaceutical company, focuses on the development and commercialization of therapeutic treatment for human stem cells. The company develops TELOMIR-1, a novel small molecule being developed to function as an oral in situ therapeutic intervention against age-related inflammatory conditions, such as hemochromatosis and osteoarthritis, as well as for post-chemotherapy health problems. The company was formerly known as Metallo Therapies Inc. and changed its name to Telomir Pharmaceuticals, Inc. in October 2022. Telomir Pharmaceuticals, Inc. was incorporated in 2021 and is headquartered in Baltimore, Maryland.