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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
Thomas DesrosierChief Legal Officer EVP Co-Chief Executive Officer and Co-President2025-11-1576$17.30
$1.31kSell
Teresa L. YoungEVP Chief Commercial Strategy Officer2025-11-151,042$17.30
$18.03kSell
Matthew R. HennChief Scientific Officer and EVP2025-11-151,257$17.30
$21.75kSell
Eric D. ShaffDirector2025-11-15217$17.30
$3.75kSell
Teresa L. YoungEVP Chief Commercial Strategy Officer2025-08-1859$16.65
$982.35Sell
Matthew R. HennChief Scientific Officer and EVP2025-08-1873$16.65
$1.22kSell
Eric D. ShaffDirector2025-08-18217$16.65
$3.61kSell
Thomas DesrosierChief Legal Officer EVP Co-Chief Executive Officer and Co-President2025-08-1876$16.65
$1.27kSell
Eric D. ShaffCEO and President2025-05-16220$7.28
$1.60kSell
Matthew R. HennChief Scientific Officer and EVP2025-05-1677$7.28
$560.56Sell

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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$371.16MInsider
Sa Nestle241.86%21,879,753$340.23MInsider
Nestle Health Science Us Holdings Inc76.15%6,888,888$107.12MInsider
Flagship Pioneering Fund VII General Partner LLC64.39%5,825,495$90.59MInsider
Flagship Pioneering Inc49.13%4,444,444$69.11MInsider
Noubar Afeyan30.40%2,750,135$42.76MInsider
Flagship Pioneering Inc12.78%1,155,850$17.97MInstitution
Flagship Ventures Fund IV General Partner LLC4.16%376,018$5.85MInsider
Vanguard Group Inc3.45%311,889$4.85MInstitution
Roger Pomerantz2.37%213,976$3.33MInsider

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MCRB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MCRB3.07%96.93%Net SellingNet Selling
PLX9.25%90.75%Net BuyingNet Buying
IKT71.15%28.85%Net BuyingNet Buying
ELTX10.93%64.39%Net BuyingNet Buying
MRSN1.81%98.19%Net SellingNet Selling
View Top Biotech Stocks

Seres Therapeutics Stock Ownership FAQ

Who owns Seres Therapeutics?

Seres Therapeutics (NASDAQ: MCRB) is owned by 23.50% institutional shareholders, 741.97% 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 $378.56M.

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