Stock Fundamentals

Company Information

Company Name
Keros Therapeutics Inc
Sector
Healthcare
Industry
Biotechnology
Exchange
NASDAQ
ISIN: US4923271013
CIK: 0001664710
CUSIP: 492327101
Currency: USD
Full Time Employees: 87
Phone: 617 314 6297
Fiscal Year End: December
IPO Date: Apr 08, 2020
Description:

Keros Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops and commercializes novel therapeutics to treat patients with disorders linked to dysfunctional signaling of the transforming growth factor-beta family of proteins in the United States. It develops rinvatercept, which acts as a ligand trap and inhibits the biological effects of myostatin and activin A in Phase 1 clinical trials for Duchenne Muscular Dystrophy and Amyotrophic Lateral Sclerosis; and elritercept to target TGF-ß signaling pathways to address diseases that arise from ineffective hematopoiesis in Phase 3 clinical trials for Myelodysplastic Syndromes and Phase 2 clinical trials for Myelofibrosis. The company has collaboration and license agreements with Hansoh (Shanghai) Healthtech Co., Ltd. to develop, manufacture, and commercialize elritercept and licensed products containing elritercept; and Takeda Pharmaceuticals U.S.A., Inc. to develop, manufacture, and commercialize elritercept and certain derivative compounds. Keros Therapeutics, Inc. was incorporated in 2015 and is headquartered in Lexington, Massachusetts.

Address:

1050 Waltham Street, Lexington, MA, United States, 02421

Directors & Officers

Name Title Year Born
Dr. Jasbir S. Seehra Ph.D. President, CEO & Director 1956
Mr. Keith C. Regnante MBA Chief Financial Officer 1970
Ms. Esther Cho J.D. Chief Legal Officer & Secretary 1989
Dr. Lorena Lerner Ph.D. Chief Scientific Officer 1972

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Apr 15, 2026 Jean Jacques Bienaime N/A Purchase 1.00K $11.70 $11.70K
Oct 15, 2025 Adar1 Capital Management, Llc N/A Sale 5.39M $17.75 $95.66M
Oct 15, 2025 Pontifax Management 4 G.P. (20 N/A Sale 4.79M $17.75 $84.98M

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
BlackRock Inc 2.41M Mar 31, 2026 12.19% $0.00 5.29%
Vanguard Group Inc 1.53M Dec 31, 2025 7.71% $0.00 -43.90%
Nantahala Capital Management, LLC 1.36M Mar 31, 2026 6.87% $0.55 277.45%
Vanguard Capital Management, LLC 831.42K Mar 31, 2026 4.20% $0.00 0.00%
Orbimed Advisors, LLC 759.16K Mar 31, 2026 3.84% $0.17 -5.60%
Qube Research & Technologies 724.93K Mar 31, 2026 3.66% $0.01 -7.53%
Jacobs Levy Equity Management, Inc. 706.07K Mar 31, 2026 3.57% $0.03 -8.11%
Federated Hermes Inc 689.23K Mar 31, 2026 3.48% $0.01 5.27%
Vanguard Portfolio Management, LLC 682.04K Mar 31, 2026 3.45% $0.00 0.00%
Geode Capital Management, LLC 681.46K Mar 31, 2026 3.44% $0.00 7.28%
Madison Avenue Partners, LP 626.58K Mar 31, 2026 3.17% $0.30 -23.93%
Arrowstreet Capital Limited Partnership 590.25K Mar 31, 2026 2.98% $0.00 -55.77%
State Street Corp 561.73K Mar 31, 2026 2.84% $0.00 -47.79%
D. E. Shaw & Co LP 509.61K Mar 31, 2026 2.57% $0.00 -32.54%
Renaissance Technologies Corp 453.48K Mar 31, 2026 2.29% $0.01 -23.36%
Citadel Advisors Llc 406.67K Mar 31, 2026 2.05% $0.00 -13.94%
AQR Capital Management LLC 406.56K Mar 31, 2026 2.05% $0.00 125.19%
Two Sigma Investments LLC 363.84K Mar 31, 2026 1.84% $0.00 14.26%
Dimensional Fund Advisors, Inc. 321.36K Mar 31, 2026 1.62% $0.00 453.94%
Nuveen, LLC 262.08K Mar 31, 2026 1.32% $0.00 315.35%

Shares Statistics

Shares Outstanding: 19.79M
Shares Float: 17.81M
% Insiders: 371.70%
% Institutions: 9,613.60%
Short % Float: 8.77%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 iShares Russell 2000 ETF 717.07K 3.62% ▲ 0.93% May 29, 2026
2 Vanguard Total Stock Mkt Idx Inv 595.32K 3.01% ▲ 0.00% Apr 30, 2026
3 Federated Hermes MDT Small Cap Core IS 382.34K 1.93% ▲ 4.91% Mar 31, 2026
4 Federated Hermes MDT SCC Institutional 382.34K 1.93% ▲ 4.91% Mar 31, 2026
5 Fidelity Small Cap Index 286.89K 1.45% ▲ 0.26% Mar 31, 2026
6 iShares Russell 2000 Value ETF 245.29K 1.24% ▲ 0.00% May 29, 2026
7 Vanguard Institutional Extnd Mkt Idx Tr 217.40K 1.10% ▲ 0.00% Apr 30, 2026
8 Vanguard Strategic Small-Cap Equity Inv 210.96K 1.07% ▲ 79.62% Mar 31, 2026
9 Nuveen Quant Small Cap Equity R6 193.80K 0.98% ▲ 0.00% Apr 30, 2026
10 Russell 2000 Equity Index Fund B 183.50K 0.93% ▼ 15.49% Dec 31, 2025

Valuation Metrics

Enterprise Value: $-64.30M
Trailing P/E: 0.00
Forward P/E: 48.78

Financial Highlights

Market Cap: $200.89M
EBITDA: $-105.78M
Book Value: $14.48
Earnings/Share: $-2.53
Profit Margin: -256.60%
Operating Margin: -7,050.95%
ROA (TTM): -12.23%
ROE (TTM): -16.79%
Revenue (TTM): $33.18M
Revenue/Share (TTM): $1.04
Earnings Growth (YOY): 0.00%
Revenue Growth (YOY): -99.80%

Stock Price History

1 Year Price History

2 Years Price History

5 Years Price History

10 Years Price History

Financial Charts

Revenue & Net Income (Yearly)

Revenue & Net Income (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Earnings Per Share (EPS) History

Financial Ratios

Balance Sheet (Yearly)

Financial Ratios

Date Current Ratio Debt/Equity Debt/Assets Interest Coverage Debt/EBITDA
2025-12-31 15.45x 0.01x 0.10x N/A 0.03x
2024-12-31 21.45x 0.00x 0.07x N/A -0.01x
2023-12-31 14.25x 0.00x 0.10x N/A -0.01x
2022-12-31 17.27x 0.00x 0.10x -114,790.00x 0.00x
2021-12-31 21.23x 0.00x 0.05x -14,093.25x -0.02x
2020-12-31 37.27x 0.00x 0.03x -7,776.17x -0.01x
2019-12-31 1.99x 0.98x 0.50x -1,320.38x -0.45x
2018-12-31 2.23x 0.20x 0.53x -281.83x -3.30x

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