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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 BradyCOO;EVP2026-08-1764$4.55
$291.20Sell
Thomas DesrosierCLO;EVP2026-08-1782$4.55
$373.10Sell
Eric D. ShaffDirector2026-08-17263$4.55
$1.20kSell
Matthew R. HennPres;CSci2026-08-1781$4.55
$368.55Sell
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
Matthew R. HennChief Scientific Officer and EVP2026-02-1589$8.47
$753.83Sell
Thomas DesrosierChief Legal Officer EVP Co-Chief Executive Officer and Co-President2026-02-1578$8.47
$660.66Sell

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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 LLC240.10%23,869,081$109.08MInsider
Sa Nestle220.09%21,879,753$99.99MInsider
Nestle Health Science Us Holdings Inc69.30%6,888,888$31.48MInsider
Flagship Pioneering Fund VII General Partner LLC58.60%5,825,495$26.62MInsider
Flagship Pioneering Inc44.71%4,444,444$20.31MInsider
Noubar Afeyan27.66%2,750,135$12.57MInsider
Flagship Ventures Fund IV General Partner LLC3.78%376,018$1.72MInsider
Roger Pomerantz2.15%213,976$977.87kInsider
David Arkowitz1.84%182,442$833.76kInsider
David N. Cook1.48%147,435$673.78kInsider

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MCRB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MCRB0.00%100.00%Net SellingNet Selling
VERU0.01%99.99%Net BuyingNet Buying
CNTX0.07%1.43%
KPTI0.06%99.94%Net SellingNet Selling
GRCE0.02%46.60%Net BuyingNet Buying
View Top Biotech Stocks

Seres Therapeutics Stock Ownership FAQ

Who owns Seres Therapeutics?

Seres Therapeutics (NASDAQ: MCRB) is owned by 0.02% institutional shareholders, 675.30% 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 240.10% of the company. Nutritional Health Ltp Fund General Partner LLC's Seres Therapeutics shares are currently valued at $108.84M.

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