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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 LLC263.85%23,869,081$204.08MInsider
Sa Nestle241.86%21,879,753$187.07MInsider
Nestle Health Science Us Holdings Inc76.15%6,888,888$58.90MInsider
Flagship Pioneering Fund VII General Partner LLC64.39%5,825,495$49.81MInsider
Flagship Pioneering Inc49.13%4,444,444$38.00MInsider
Noubar Afeyan30.40%2,750,135$23.51MInsider
Flagship Pioneering LLC12.78%1,155,850$9.88MInstitution
Flagship Ventures Fund IV General Partner LLC4.16%376,018$3.21MInsider
Vanguard Group Inc3.58%324,214$2.77MInstitution
Roger Pomerantz2.37%213,976$1.83MInsider

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MCRB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MCRB3.51%96.49%Net SellingNet Selling
ETHZ22.60%58.94%Net Buying
MAIA6.80%10.81%Net BuyingNet Buying
TENX46.46%53.54%Net BuyingNet Buying
IMA31.34%68.66%Net BuyingNet Buying
View Top Biotech Stocks

Seres Therapeutics Stock Ownership FAQ

Who owns Seres Therapeutics?

Seres Therapeutics (NASDAQ: MCRB) is owned by 26.99% institutional shareholders, 741.98% 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 263.85% of the company. Nutritional Health Ltp Fund General Partner LLC's Seres Therapeutics shares are currently valued at $204.08M.

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