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 BhattPresident and COO2026-04-151,101$25.24
$27.79kSell
Elizabeth BhattPresident and COO2026-04-15326$25.86
$8.43kSell
Elizabeth BhattPresident and COO2026-04-154,000$6.81
$27.24kBuy
Elizabeth BhattPresident and COO2026-04-152,573$23.76
$61.12kSell
Samira ShaikhlyChief People Officer2026-03-025,101$2.76
$14.08kBuy
Samira ShaikhlyChief People Officer2026-03-024,090$27.51
$112.50kSell
Samira ShaikhlyChief People Officer2026-03-0211,638$2.76
$32.12kBuy
Samira ShaikhlyChief People Officer2026-03-0253,714$1.55
$83.26kBuy
Samira ShaikhlyChief People Officer2026-03-0266,363$28.14
$1.87MSell
Elizabeth BhattPresident and COO2026-02-184,000$6.81
$27.24kBuy

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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 LP23.22%10,427,250$244.52MInsider
Third Rock Ventures V LP20.86%9,368,047$219.68MInsider
Ra Capital Management LP15.58%6,995,858$164.05MInstitution
Trv GP V LLC13.84%6,215,591$145.76MInstitution
Driehaus Capital Management LLC10.71%4,809,470$112.78MInstitution
Trv GP VI LLC9.38%4,211,659$98.76MInstitution
Samsara Biocapital LLC7.01%3,149,128$73.85MInstitution
Goldman Sachs Group Inc 16.05%2,715,129$63.67MInstitution
Goldman Sachs Group Inc6.05%2,715,129$63.67MInstitution
Siren LLC4.45%2,000,000$46.90MInstitution

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SEPN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SEPN66.75%33.25%Net BuyingNet Buying
SVRA44.44%55.56%Net SellingNet Buying
FTRE99.43%0.57%Net BuyingNet Selling
XERS58.47%14.31%Net SellingNet Buying
OMER47.11%5.03%Net BuyingNet Buying

Septerna Stock Ownership FAQ

Who owns Septerna?

Septerna (NASDAQ: SEPN) is owned by 101.52% institutional shareholders, 50.56% Septerna insiders, and 0.00% retail investors. Third Rock Ventures VI LP is the largest individual Septerna shareholder, owning 10.43M shares representing 23.22% of the company. Third Rock Ventures VI LP's Septerna shares are currently valued at $247.75M.

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