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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Septerna Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Samira ShaikhlyChief People Officer2026-03-025,101$2.76
$14.08kBuy
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
Samira ShaikhlyChief People Officer2026-03-024,090$27.51
$112.50kSell
Elizabeth BhattPresident and COO2026-02-184,000$6.81
$27.24kBuy
Elizabeth BhattPresident and COO2026-02-182,200$28.46
$62.61kSell
Elizabeth BhattPresident and COO2026-02-181,800$29.58
$53.25kSell
Daniel D. LongSVP Drug Discovery2025-11-103,501$18.06
$63.22kSell
Uwe KleinSVP Biological Sciences2025-08-1810,452$2.76
$28.85kBuy

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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$262.14MInsider
Third Rock Ventures V LP20.86%9,368,047$235.51MInsider
Ra Capital Management LP15.58%6,995,858$175.88MInstitution
Trv GP V LLC13.84%6,215,591$156.26MInstitution
Driehaus Capital Management LLC10.71%4,809,470$120.91MInstitution
Trv GP VI LLC9.38%4,211,659$105.88MInstitution
Samsara Biocapital LLC7.01%3,149,128$79.17MInstitution
Goldman Sachs Group Inc6.05%2,715,129$68.26MInstitution
Siren LLC4.45%2,000,000$50.28MInstitution
Blackrock Inc4.01%1,801,328$45.29MInstitution

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SEPN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SEPN66.75%33.25%Net BuyingNet Buying
EYPT29.17%70.83%Net SellingNet Selling
CTMX85.02%13.04%Net Selling
ABCL35.76%44.36%Net BuyingNet Buying
AVBP80.12%19.88%Net Selling
View Top Biotech Stocks

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 $262.14M.

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