Stock Fundamentals

Company Information

Company Name
Seres Therapeutics Inc
Sector
Healthcare
Industry
Biotechnology
Exchange
NASDAQ
ISIN: US81750R2013
CIK: 0001609809
CUSIP: 81750R102
Currency: USD
Full Time Employees: 66
Phone: 617 945 9626
Fiscal Year End: December
IPO Date: Jun 26, 2015
Description:

Seres Therapeutics, Inc., a clinical-stage company, focuses on developing biotherapeutics for serious diseases. The company develops SER-155, an investigational oral live biotherapeutic to decolonize GI pathogens, enhance GI epithelial barrier integrity, and regulate immune response to prevent bacterial bloodstream infections, as well as other pathogen-associated negative clinical outcomes in patients undergoing allogeneic hematopoietic stem cell transplantation. It also develops SER-603, a LBP candidate optimized to treat disruptions in the GI microbiome and to improve GI mucosal barrier integrity through the inhibition of inflammatory bacteria and associated metabolites; and SER-147, a live biotherapeutic composition to prevent bacterial bloodstream and spontaneous bacterial peritonitis infections in patients with metabolic disease, including chronic liver disease. The company was formerly known as Seres Health, Inc. and changed its name to Seres Therapeutics, Inc. in May 2015. Seres Therapeutics, Inc. was incorporated in 2010 and is headquartered in Cambridge, Massachusetts.

Address:

101 Cambridgepark Drive, Cambridge, MA, United States, 02140

Directors & Officers

Name Title Year Born
Mr. Richard N. Kender B.S., M.B.A. Interim CEO & Executive Chair 1956
Dr. Matthew R. Henn Ph.D. President & Chief Scientific Officer 1975
Ms. Marella Thorell CPA Executive VP, CFO & Treasurer 1967
Mr. Thomas J. DesRosier Esq., J.D. Executive VP, Chief Legal Officer & Secretary 1955
Ms. Kelly Brady M.S. Executive VP & COO 1984
Mr. Chris McChalicher Executive VP & CTO NA
Dr. Dennis M. Walling M.D. Senior VP of Clinical Development & Head of Clinical Research NA
Ms. Ann Kurowski Senior Vice President of Regulatory Affairs NA

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Nov 15, 2025 Eric D Shaff N/A Sale 217.00 $17.30 $3.75K
Nov 15, 2025 Matthew R Henn N/A Sale 1.26K $17.30 $21.75K
Nov 15, 2025 Thomas Desrosier N/A Sale 76.00 $17.30 $1.31K

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
Flagship Ventures Management, Inc. 1.16M Mar 31, 2026 11.94% $0.88 0.00%
Vanguard Group Inc 324.21K Dec 31, 2025 3.35% $0.00 3.95%
Vanguard Capital Management, LLC 294.14K Mar 31, 2026 3.04% $0.00 0.00%
Marshall Wace Asset Management Ltd 139.54K Mar 31, 2026 1.44% $0.00 16.11%
Vontobel Holding Ltd. 138.47K Mar 31, 2026 1.43% $0.00 34.13%
Susquehanna International Group, LLP 105.34K Mar 31, 2026 1.09% $0.00 -41.46%
BlackRock Inc 102.03K Mar 31, 2026 1.05% $0.00 -1.54%
Geode Capital Management, LLC 74.84K Mar 31, 2026 0.77% $0.00 -13.13%
American Century Companies Inc 62.32K Mar 31, 2026 0.64% $0.00 282.99%
Vanguard Fiduciary Trust Co 39.64K Mar 31, 2026 0.41% $0.00 0.00%
State Street Corp 33.90K Mar 31, 2026 0.35% $0.00 0.00%
Charles Schwab Investment Management Inc 31.63K Mar 31, 2026 0.33% $0.00 0.83%
Lion Point Capital, LP 31.57K Mar 31, 2026 0.33% $1.67 0.00%
Morgan Stanley - Brokerage Accounts 21.70K Mar 31, 2026 0.22% $0.00 -13.64%
Two Sigma Investments LLC 18.79K Mar 31, 2026 0.19% $0.00 -27.01%
Northern Trust Corp 14.77K Mar 31, 2026 0.15% $0.00 0.00%
Amvescap Plc. 14.55K Mar 31, 2026 0.15% $0.00 1.30%
UBS Group AG 7.03K Mar 31, 2026 0.07% $0.00 66.35%
Barclays PLC 6.51K Mar 31, 2026 0.07% $0.00 -12.45%
SBI Securities Co Ltd 3.48K Mar 31, 2026 0.04% $0.00 0.00%

Shares Statistics

Shares Outstanding: 9.68M
Shares Float: 8.47M
% Insiders: 1,178.20%
% Institutions: 2,437.30%
Short % Float: 2.13%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 Vanguard Total Stock Mkt Idx Inv 206.17K 2.13% ▲ 0.00% Apr 30, 2026
2 Vanguard Institutional Extnd Mkt Idx Tr 76.12K 0.79% ▲ 8.83% Apr 30, 2026
3 Avantis US Small Cap Value ETF 37.36K 0.39% ▼ 5.29% May 30, 2026
4 Schwab US Small-Cap ETF™ 31.08K 0.32% ▲ 0.06% May 30, 2026
5 Fidelity Extended Market Index 26.34K 0.27% ▲ 9.39% Apr 30, 2026
6 Extended Equity Market Fund B 17.08K 0.18% ▲ 0.00% Dec 31, 2025
7 Extended Equity Market Fund E 17.08K 0.18% ▲ 0.00% Dec 31, 2025
8 Blackrock Extended Mkt Fund CF 17.08K 0.18% ▲ 0.00% Apr 30, 2026
9 iShares Micro-Cap ETF 16.64K 0.17% ▲ 0.00% May 29, 2026
10 BlackRock Extended Equity Market Fund K 14.54K 0.15% ▼ 0.73% Mar 31, 2026

Valuation Metrics

Enterprise Value: $109.83M
Trailing P/E: 0.00
Forward P/E: 10.26

Financial Highlights

Market Cap: $59.17M
EBITDA: $-83.80M
PEG Ratio: $-0.11
Book Value: $2.76
Earnings/Share: $-5.20
Profit Margin: 0.00%
Operating Margin: -5,839.94%
ROA (TTM): -38.88%
ROE (TTM): -121.87%
Revenue (TTM): $1.15M
Revenue/Share (TTM): $0.13
Earnings Growth (YOY): -91.90%
Revenue Growth (YOY): -93.40%

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 2.56x 0.23x 0.68x N/A 1.06x
2024-12-31 0.94x 0.63x 0.90x N/A -0.07x
2023-12-31 1.78x -2.39x 1.13x -14.81x -0.59x
2022-12-31 2.28x 5.07x 0.97x -29.89x -0.32x
2021-12-31 3.69x 0.24x 0.63x -22.16x -0.55x
2020-12-31 5.79x 0.17x 0.49x -30.14x -0.39x
2019-12-31 2.18x -0.60x 1.36x -143.18x -0.47x
2018-12-31 2.20x -0.25x 1.40x -85.57x -0.13x
2017-12-31 4.90x 0.15x 0.68x -57.48x -0.11x
2016-12-31 6.51x 0.06x 0.51x -95.81x -0.08x
2015-12-31 19.01x 0.00x 0.05x -98.84x 0.00x
2014-12-31 22.39x -0.09x 1.23x N/A -0.17x
2013-12-31 1.61x 1.33x 0.70x -144.10x -0.14x
2012-12-31 35.08x 0.00x 0.03x N/A 0.00x

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