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NASDAQ: MCRB
Seres Therapeutics Inc Stock Ownership - Who owns Seres Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Seres Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Teresa L. YoungEVP Chief Commercial Strategy Officer2026-02-1575$8.47
$635.25Sell
Matthew R. HennChief Scientific Officer and EVP2026-02-1589$8.47
$753.83Sell
Eric D. ShaffDirector2026-02-15259$8.47
$2.19kSell
Thomas DesrosierChief Legal Officer EVP Co-Chief Executive Officer and Co-President2026-02-1578$8.47
$660.66Sell
Matthew R. HennChief Scientific Officer and EVP2025-11-151,257$17.30
$21.75kSell
Teresa L. YoungEVP Chief Commercial Strategy Officer2025-11-151,042$17.30
$18.03kSell
Thomas DesrosierChief Legal Officer EVP Co-Chief Executive Officer and Co-President2025-11-1576$17.30
$1.31kSell
Eric D. ShaffDirector2025-11-15217$17.30
$3.75kSell
Thomas DesrosierChief Legal Officer EVP Co-Chief Executive Officer and Co-President2025-08-1876$16.65
$1.27kSell
Eric D. ShaffDirector2025-08-18217$16.65
$3.61kSell

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Net Insider Buy/Sell (L12M) Ownership

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MCRB Shareholders

What type of owners hold Seres Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Nutritional Health Ltp Fund General Partner LLC248.99%23,869,081$210.29MInsider
Sa Nestle228.24%21,879,753$192.76MInsider
Nestle Health Science Us Holdings Inc71.86%6,888,888$60.69MInsider
Flagship Pioneering Fund VII General Partner LLC60.77%5,825,495$51.32MInsider
Flagship Pioneering Inc46.36%4,444,444$39.16MInsider
Noubar Afeyan28.69%2,750,135$24.23MInsider
Flagship Pioneering LLC12.06%1,155,850$10.18MInstitution
Flagship Ventures Fund IV General Partner LLC3.92%376,018$3.31MInsider
Vanguard Group Inc3.38%324,214$2.86MInstitution
Roger Pomerantz2.23%213,976$1.89MInsider

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MCRB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MCRB3.51%96.49%Net SellingNet Selling
EXOZ0.46%99.54%Net Buying
CSBR1.95%98.05%Net Buying
SPRB3.96%96.04%Net Selling
QTTB28.18%71.82%Net SellingNet Selling
View Top Biotech Stocks

Seres Therapeutics Stock Ownership FAQ

Who owns Seres Therapeutics?

Seres Therapeutics (NASDAQ: MCRB) is owned by 25.47% institutional shareholders, 700.29% Seres Therapeutics insiders, and 0.00% retail investors. Nutritional Health Ltp Fund General Partner LLC is the largest individual Seres Therapeutics shareholder, owning 23.87M shares representing 248.99% of the company. Nutritional Health Ltp Fund General Partner LLC's Seres Therapeutics shares are currently valued at $211.24M.

If you're new to stock investing, here's how to buy Seres Therapeutics stock.
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