13F

Stock

Septerna, Inc.

SEPN · held by 124 managers

Reported value

$1.1B

Holders

124

+22 new · −24 exited

Holders’ est. mark

−$158.7M

Price effect on 96 books still in the name

Largest holder

$168.1M

RA CAPITAL MANAGEMENT, L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
RA CAPITAL MANAGEMENT, L.P.7M$168.1M−$26.9MCut−$26.9M
TRV GP V, LLC6.22M$149.4M−$23.9MCut−$23.9M
Driehaus Capital Management LLC4.4M$105.6M−$16.9MCut−$28.5M
TRV GP VI, LLC4.21M$101.2M−$16.2MCut−$16.2M
SAMSARA BIOCAPITAL, LLC3.15M$75.7M−$12.1MCut−$12.1M
GOLDMAN SACHS GROUP INC2.91M$69.8M−$10.5MCut−$5.86M
Siren, L.L.C.2M$48.1M−$7.7MCut−$7.7M
BlackRock, Inc.1.82M$43.8M−$6.94MCut−$6.43M
BVF INC/IL1.35M$32.5M−$5.21MCut−$15.5M
Avoro Capital Advisors LLC1.34M$32.1M−$5.15MCut−$5.15M
VANGUARD CAPITAL MANAGEMENT LLC1.2M$28.8MHeld
ADAR1 Capital Management, LLC1.09M$26.2M−$4.2MCut−$6.09M
PRIMECAP MANAGEMENT CO/CA/1.05M$25.2M−$2.1MAdded$9.98M
JANUS HENDERSON GROUP PLC890.8K$21.3MNew
First Light Asset Management, LLC732.9K$17.6M−$2.39MAdded$302.4K
GEODE CAPITAL MANAGEMENT, LLC645.1K$15.5M−$2.21MCut−$465.3K
State Street631.4K$15.2M−$2.08MAdded$117.7K
Casdin Capital, LLC553.3K$13.3M−$2.13MCut−$2.13M
VR ADVISER, LLC506.1K$12.2M−$1.95MCut−$4.87M
Catalio Capital Management, LP294.4K$7.07M−$1.13MCut−$1.13M
Soleus Capital Management, L.P.275K$6.61M−$1.06MCut−$4.08M
Balyasny Asset Management L.P.236.7K$5.69M−$13.7KAdded$5.59M
Universal- Beteiligungs- und Servicegesellschaft mbH224K$5.38M−$857.4KCut−$826.3K
VANGUARD PORTFOLIO MANAGEMENT LLC195K$4.69MHeld
Kalehua Capital Management LLC194.5K$4.67M−$749KCut−$749K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC181.6K$4.36M−$699.1KCut−$856.9K
NORTHERN TRUST CORP164.5K$3.95M−$593.7KCut−$345.3K
VANGUARD FIDUCIARY TRUST CO154.5K$3.71MHeld
MILLENNIUM MANAGEMENT LLC124.1K$2.98M−$413.7KCut−$13.9K
UBS Group AG117K$2.81M−$264.9KAdded$892.4K
MORGAN STANLEY110.5K$2.66M−$400.3KCut−$243.1K
HUSSMAN STRATEGIC ADVISORS, INC.105K$2.52MNew
Checkpoint Capital L.P.100.3K$2.41MNew
FEDERATED HERMES, INC.89.3K$2.15M−$303.8KCut−$54K
Invesco Ltd.82.9K$1.99M−$319KCut−$2.53M
JPMORGAN CHASE & CO84.7K$1.97M−$313KAdded$67.6K
TWO SIGMA INVESTMENTS, LP75.4K$1.81M−$290.2KCut−$776.4K
Longaeva Partners L.P.74.6K$1.79M−$192.1KAdded$400.6K
AMERICAN CENTURY COMPANIES INC61.3K$1.47M−$195.2KAdded$59.6K
Bank of New York Mellon Corp58.7K$1.41M−$213KCut−$131.9K
Jump Financial, LLC53K$1.27M−$32.3KAdded$1.04M
Sofinnova Investments, Inc.47.5K$1.14MNew
MARSHALL WACE, LLP39.8K$957.4K−$153.4KCut−$5.37M
Rangeley Capital, LLC39.8K$956.4K−$153.2KCut−$878.1K
Renaissance Technologies37.7K$905.9KNew
XTX Topco Ltd36.7K$882.5K−$89.8KAdded$232.4K
Trexquant Investment LP35.3K$848.3K−$135.9KCut−$378.6K
Alyeska Investment Group, L.P.35K$841K−$134.7KCut−$134.8K
Nuveen, LLC29.2K$701.1K−$99.3KCut−$18.1K
JACOBS LEVY EQUITY MANAGEMENT, INC28.4K$683.3K−$109.5KCut−$1.03M
RHUMBLINE ADVISERS26.6K$639.3K−$101.7KCut−$97.3K
BANK OF AMERICA CORP /DE/26K$624.1K−$100KCut−$424K
Y-Intercept (Hong Kong) Ltd25.8K$619.3KNew
ADAGE CAPITAL PARTNERS GP, L.L.C.24K$576.7KNew
Logos Global Management LP23.5K$565.9K−$90.7KCut−$90.7K
Fidelity23.4K$563.4K−$12.7KAdded$471.2K
ALLIANCEBERNSTEIN L.P.19.6K$546.4K$0Held
BARCLAYS PLC22.7K$545.8K−$87.4KCut−$517.7K
Swiss National Bank22.1K$531.1KNew
Squarepoint Ops LLC18.1K$434.5K−$57.2KAdded$20.6K
STRS OHIO17.2K$413.3K−$56.2KAdded$6.27K
DEUTSCHE BANK AG\16.8K$404.7K−$57.3KCut−$10.1K
VARCOV Co.16.8K$402.6K−$64.5KCut−$228.5K
Engineers Gate Manager LP16.5K$397.2KNew
Vanguard Global Advisers, LLC16.2K$390.4KHeld
Icahn Capital15.4K$369.5K−$30.1KAdded$151.3K
Numerai GP LLC15.1K$362.4K−$58.1KCut−$916.3K
LOS ANGELES CAPITAL MANAGEMENT LLC14.2K$341.6K$36.1KCut−$57.1K
MetLife Investment Management, LLC13.7K$328.9K−$52.7KCut−$52.7K
EntryPoint Capital, LLC12.8K$307KNew
OSAIC HOLDINGS, INC.12.7K$305.1K−$48.9KCut−$48.7K
Verition Fund Management LLC12.3K$296.6KNew
China Universal Asset Management Co., Ltd.11.9K$287.1K−$39.6KAdded$10
Man Group plc11.9K$284.9KNew
Russell Investments Group, Ltd.11.5K$276.7K−$44.3KCut−$150.1K
Seven Fleet Capital Management LP11.4K$275K−$44.1KCut−$44.1K
Virtus Investment Advisers, LLC10.7K$257.6K−$40.3KCut−$34K
MASSACHUSETTS FINANCIAL SERVICES CO /MA/10.4K$249.5KNew
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.10K$240.8K−$38.2KCut−$36.2K
WELLS FARGO & COMPANY/MN9.87K$237.2K−$38KCut−$502.5K
CITIGROUP INC9.2K$221K−$35.4KCut−$45.6K
WINTON GROUP Ltd8.84K$212.5KNew
VANGUARD ASSET MANAGEMENT, Ltd7.42K$178.3KHeld
Legal & General Group Plc5.74K$137.8K−$7.43KAdded$83.6K
NEW YORK STATE COMMON RETIREMENT FUND5.6K$134.6K−$21.6KCut−$21.6K
BNP PARIBAS FINANCIAL MARKETS5.36K$128.8K−$20.6KCut−$23.1K
Police & Firemen's Retirement System of New Jersey5.17K$124.4K−$19.9KCut−$19.9K
Vanguard Investments Australia, Ltd.3.9K$93.6KHeld
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO3.37K$81.1K−$13KCut−$214.3K
KLP KAPITALFORVALTNING AS2.5K$60.1KNew
Mirae Asset Global Investments Co., Ltd.2.33K$56.1K−$8.38KCut−$4.56K
Ameritas Investment Partners, Inc.1.94K$46.7K−$7.49KCut−$7.49K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1.16K$27.8K−$4.45KCut−$8.89K
GAMMA Investing LLC1.11K$26.7K−$3.53KAdded$1.14K
GF FUND MANAGEMENT CO. LTD.1.01K$24.2K−$3.38KCut−$305
SIGNATUREFD, LLC966$23.2K−$3.72KCut−$4.36K
CWM, LLC894$21.5K$21.3KAdded$21.5K
NISA INVESTMENT ADVISORS, LLC841$20.2K−$1.31KAdded$10.7K
Tower Research Capital LLC (TRC)717$17.2K−$2.76KCut−$42.9K
Sterling Capital Management LLC712$17.1K−$2.74KCut−$17.2K
Zurcher Kantonalbank (Zurich Cantonalbank)508$12.2KNew
Pinnacle Wealth Planning Services, Inc.322$7.74K−$1.24KCut−$1.24K
Versant Capital Management, Inc261$6.27K−$1KCut−$1K
Larson Financial Group LLC204$4.9KNew
DIADEMA PARTNERS LP202$4.85KNew
US BANCORP \DE\197$4.73K−$731Cut−$563
N.E.W. Advisory Services LLC180$4.33K−$693Cut−$693
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC155$3.73KNew
MassMutual Private Wealth & Trust, FSB135$3.24K−$242Added$1.49K
EverSource Wealth Advisors, LLC68$1.63K−$242Cut−$122
SBI Securities Co., Ltd.55$1.32K−$211Cut−$211
Cornerstone Financial Management LLC52$1.25K−$200Cut−$200
PNC Financial Services Group, Inc.43$1.03K−$166Cut−$4.49K
Caitong International Asset Management Co., Ltd38$913−$146Cut−$87.5K
ACADIAN ASSET MANAGEMENT LLC31K$741−$119Cut−$117
ROTHSCHILD INVESTMENT LLC30$721−$115Cut−$115
PRICE T ROWE ASSOCIATES INC /MD/28.1K$675−$98Cut−$35
ALGERT GLOBAL LLC21K$505−$81Cut−$469
Fortitude Family Office, LLC20$481−$76Cut−$1.5K
Allworth Financial LP17$409New
Farther Finance Advisors, LLC7$171−$4Added$143
QUADRANT CAPITAL GROUP LLC7$169New
MAI Capital Management6$145New
Covestor Ltd2.26K$54−$8Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.