NASDAQ: SEPN
Septerna Inc Stock Ownership - Who owns Septerna?

Insider buying vs selling

Have Septerna Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Elizabeth BhattCOO;Pres2026-07-154,000$6.81
$27.24kBuy
Elizabeth BhattCOO;Pres2026-07-154,000$33.99
$135.97kSell
Daniel D. LongSVP Drug Discovery2026-07-011,233$34.81
$42.93kSell
Daniel D. LongSVP Drug Discovery2026-07-012,100$34.10
$71.60kSell
Daniel D. LongSVP Drug Discovery2026-07-013,333$2.76
$9.20kBuy
Samira ShaikhlyChief People Officer2026-06-292,178$35.18
$76.62kSell
Samira ShaikhlyChief People Officer2026-06-292,178$6.81
$14.83kBuy
Daniel D. LongSVP Drug Discovery2026-06-2210,529$2.76
$29.06kBuy
Daniel D. LongSVP Drug Discovery2026-06-224,471$11.70
$52.31kBuy
Daniel D. LongSVP Drug Discovery2026-06-228,000$35.10
$280.80kSell

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Net Insider Buy/Sell (L12M) Ownership

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SEPN Shareholders

What type of owners hold Septerna Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Third Rock Ventures VI LP23.13%10,427,250$350.46MInsider
Third Rock Ventures V LP20.78%9,368,047$314.86MInsider
Ra Capital Management LP15.52%6,995,858$235.13MInstitution
Trv GP V LLC13.79%6,215,591$208.91MInstitution
Driehaus Capital Management LLC9.75%4,395,572$147.74MInstitution
Trv GP VI LLC9.34%4,211,659$141.55MInstitution
Samsara Biocapital LLC6.99%3,149,128$105.84MInstitution
Goldman Sachs Group Inc 16.45%2,906,427$97.69MInstitution
Siren LLC4.44%2,000,000$67.22MInstitution
Blackrock Inc4.04%1,822,174$61.24MInstitution

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SEPN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SEPN66.81%33.19%Net BuyingNet Buying
XNCR72.57%27.43%Net SellingNet Selling
FBRX66.02%30.13%Net BuyingNet Selling
ANAB39.86%60.14%Net Selling
INVA60.19%39.81%Net BuyingNet Selling

Septerna Stock Ownership FAQ

Who owns Septerna?

Septerna (NASDAQ: SEPN) is owned by 101.43% institutional shareholders, 50.38% Septerna insiders, and 0.00% retail investors. Third Rock Ventures VI LP is the largest individual Septerna shareholder, owning 10.43M shares representing 23.13% of the company. Third Rock Ventures VI LP's Septerna shares are currently valued at $366.83M.

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