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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
Kelly BradyChief Operating Officer EVP2026-05-1859$7.53
$444.27Sell
Thomas DesrosierEVP and Chief Legal Officer2026-05-1879$7.53
$594.87Sell
Matthew R. HennChief Scientific Officer and EVP2026-05-1877$7.53
$579.81Sell
Eric D. ShaffDirector2026-05-18259$7.53
$1.95kSell
Thomas DesrosierChief Legal Officer EVP Co-Chief Executive Officer and Co-President2026-02-1578$8.47
$660.66Sell
Teresa L. YoungEVP Chief Commercial Strategy Officer2026-02-1575$8.47
$635.25Sell
Eric D. ShaffDirector2026-02-15259$8.47
$2.19kSell
Matthew R. HennChief Scientific Officer and EVP2026-02-1589$8.47
$753.83Sell
Eric D. ShaffDirector2025-11-15217$17.30
$3.75kSell
Matthew R. HennChief Scientific Officer and EVP2025-11-151,257$17.30
$21.75kSell

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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 LLC246.48%23,869,081$192.15MInsider
Sa Nestle225.94%21,879,753$176.13MInsider
Nestle Health Science Us Holdings Inc71.14%6,888,888$55.46MInsider
Flagship Pioneering Fund VII General Partner LLC60.16%5,825,495$46.90MInsider
Flagship Pioneering Inc45.90%4,444,444$35.78MInsider
Noubar Afeyan28.40%2,750,135$22.14MInsider
Flagship Pioneering LLC11.94%1,155,850$9.30MInstitution
Flagship Ventures Fund IV General Partner LLC3.88%376,018$3.03MInsider
Vanguard Capital Management LLC3.04%294,143$2.37MInstitution
Roger Pomerantz2.21%213,976$1.72MInsider

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MCRB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MCRB3.32%96.68%Net SellingNet Selling
MAIA21.58%6.58%Net Buying
ACRV37.93%35.95%Net BuyingNet Buying
EXOZ0.46%99.54%Net BuyingNet Buying
PLRX65.47%34.53%Net Selling
View Top Biotech Stocks

Seres Therapeutics Stock Ownership FAQ

Who owns Seres Therapeutics?

Seres Therapeutics (NASDAQ: MCRB) is owned by 23.82% institutional shareholders, 693.24% 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 246.48% of the company. Nutritional Health Ltp Fund General Partner LLC's Seres Therapeutics shares are currently valued at $192.15M.

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