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Septerna, Inc.

SEPN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001984086

In the last 90 days, Septerna, Inc. insiders filed 0 open-market purchases and 7 sales; 153 institutions reported holding it in 13F filings for Q2 2026, worth $1.58B in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Septerna, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
71
+1 vs. Q4 2024
Shares held
45.3M
+1.19M (+2.7%) vs. Q4 2024
Total value
$262.2M
−$747.8M (−74.0%) vs. Q4 2024
New holders
20
25 more added
Sold out
19
12 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SEPN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 71 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 71 institutionsQ1 2025: 71 institutionsQ2 2025: 89 institutionsQ3 2025: 82 institutionsQ4 2025: 122 institutionsQ1 2026: 124 institutionsQ2 2026: 153 institutions
Value heldQ1 2025: $262.2M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $1.01BQ1 2025: $262.2MQ2 2025: $469.6MQ3 2025: $838.0MQ4 2025: $1.27BQ1 2026: $1.10BQ2 2026: $1.58B
Institutions holding SEPN and their total value by quarter
QuarterHoldersValue
Q2 2026153$1.58B
Q1 2026124$1.10B
Q4 2025122$1.27B
Q3 202582$838.0M
Q2 202589$469.6M
Q1 202571$262.2M
Q4 202471$1.01B
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Septerna, Inc.; share changes are against Q4 2024.

Institutions holding SEPN in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.6,995,858$40.5M0.68%00.0%Unchanged
TRV GP V, LLC6,215,591$36.0M28.77%00.0%Unchanged
BVF Inc4,396,124$25.5M1.04%+1,944,100+79.3%Added
TRV GP VI, LLC4,211,659$24.4M58.10%+1,059,203+33.6%Added
Samsara BioCapital, LLC3,149,128$18.2M3.25%+380,608+13.7%Added
Driehaus Capital Management LLC3,122,608$18.1M0.17%+533,055+20.6%Added
Siren, L.L.C.2,202,514$12.8M0.72%00.0%Unchanged
Deep Track Capital, LP1,912,929$11.1M0.36%00.0%Unchanged
Goldman Sachs Group Inc1,449,399$8.39M0.00%−224,958−13.4%Reduced
Avoro Capital Advisors LLC1,337,500$7.74M0.12%+227,500+20.5%Added
BlackRock, Inc.1,258,313$7.29M0.00%−418,822−25.0%Reduced
Catalio Capital Management, LP1,024,245$5.93M1.47%00.0%Unchanged
Vanguard Group Inc995,044$5.76M0.00%+10,012+1.0%Added
Checkpoint Capital L.P.824,878$4.78M2.62%+824,878New
Sio Capital Management, LLC788,670$4.57M1.38%+516,983+190.3%Added
Soleus Capital Management, L.P.751,353$4.35M0.34%+75,944+11.2%Added
ADAR1 Capital Management, LLC720,848$4.17M0.80%+720,848New
Woodline Partners LP582,585$3.37M0.02%+282,585+94.2%Added
Casdin Capital, LLC553,268$3.20M0.26%00.0%Unchanged
Millennium Management LLC436,564$2.53M0.00%+436,564New
Geode Capital Management, LLC409,640$2.37M0.00%+29,063+7.6%Added
State Street Corp344,604$2.00M0.00%+71,828+26.3%Added
UBS Group AG239,930$1.39M0.00%+131,477+121.2%Added
Northern Trust Corp158,040$915.1K0.00%+10,264+6.9%Added
Logos Global Management LP134,202$777.0K0.14%00.0%Unchanged
Charles Schwab Investment Management Inc118,451$685.8K0.00%−21,165−15.2%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH102,749$594.9K0.00%00.0%Unchanged
Morgan Stanley91,044$527.1K0.00%+49,133+117.2%Added
Two Sigma Investments, LP74,841$433.3K0.00%+74,841New
Stonepine Capital Management, LLC68,084$394.2K0.46%+68,084New
Rangeley Capital, LLC52,950$306.6K0.35%+52,950New
FMR LLC49,778$288.2K0.00%−953,180−95.0%Reduced
California State Teachers Retirement System44,362$256.9K0.00%+42,992+3,138.1%Added
Bank of New York Mellon Corp38,376$222.2K0.00%+283+0.7%Added
Citigroup Inc38,055$220.3K0.00%+23,422+160.1%Added
XTX Topco Ltd37,350$216.3K0.01%+37,350New
Alyeska Investment Group, L.P.35,000$202.7K0.00%00.0%Unchanged
Swiss National Bank30,100$174.3K0.00%+30,100New
Susquehanna International Group, LLP25,209$146.0K0.00%+25,209New
Nuveen, LLC23,961$138.7K0.00%+23,961New
Rhumbline Advisers23,318$135.0K0.00%+3,323+16.6%Added
Price T Rowe Associates Inc22,957$133.0K0.00%−495,631−95.6%Reduced
Barclays PLC22,733$131.6K0.00%−6,052−21.0%Reduced
Lindbrook Capital, LLC21,000$121.6K0.01%00.0%Unchanged
Stoneridge Investment Partners LLC18,477$107.0K0.09%+18,477New
Gsa Capital Partners LLP18,299$106.0K0.01%+18,299New
Deutsche Bank AG15,968$92.5K0.00%+5,549+53.3%Added
Chicago Partners Investment Group LLC10,954$77.2K0.00%+10,954New
Invesco Ltd.12,202$70.6K0.00%+48+0.4%Added
Bank of America Corp11,559$66.9K0.00%−67,185−85.3%Reduced
Mirae Asset Global ETFs Holdings Ltd.10,987$63.6K0.00%+468+4.4%Added
Wells Fargo & Company10,869$62.9K0.00%+218+2.0%Added
Corebridge Financial, Inc.9,102$52.7K0.00%−134−1.5%Reduced
JPMorgan Chase & Co8,786$50.9K0.00%−29,229−76.9%Reduced
KLP Kapitalforvaltning AS8,400$48.6K0.00%+8,400New
Police & Firemen's Retirement System of New Jersey3,555$20.6K0.00%+3,555New
STRS Ohio3,400$19.7K0.00%00.0%Unchanged
New York State Common Retirement Fund2,900$16.8K0.00%+1,500+107.1%Added
Ameritas Investment Partners, Inc.1,944$11.3K0.00%00.0%Unchanged
Legal & General Group Plc1,840$10.7K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,788$10.4K0.00%+695+63.6%Added
BNP Paribas Arbitrage, SA1,149$6.65K0.00%−1,102−49.0%Reduced
Royal Bank of Canada802$4.00K0.00%−596−42.6%Reduced
Amalgamated Bank634$4.00K0.00%00.0%Unchanged
GAMMA Investing LLC434$2.51K0.00%+419+2,793.3%Added
CWM, LLC282$2.00K0.00%+282New
Sterling Capital Management LLC157$9090.00%−109−41.0%Reduced
Nisa Investment Advisors, LLC134$7760.00%+134New
National Bank of Canada8$460.00%+8New
Simplex Trading, LLC30$00.00%+30New
Covestor Ltd6$00.00%+6New
Janus Henderson Group PLC0$00.00%−1,096,302−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−861,814−100.0%Sold out
Perceptive Advisors LLC0$00.00%−750,000−100.0%Sold out
Cormorant Asset Management, LP0$00.00%−560,000−100.0%Sold out
Citadel Advisors LLC0$00.00%−404,882−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−300,000−100.0%Sold out
ArrowMark Colorado Holdings LLC0$00.00%−147,886−100.0%Sold out
TD Asset Management Inc0$00.00%−69,460−100.0%Sold out
Jane Street Group, LLC0$00.00%−26,208−100.0%Sold out
Verition Fund Management LLC0$00.00%−22,695−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−22,095−100.0%Sold out
Walleye Capital LLC0$00.00%−20,204−100.0%Sold out
M&T Bank Corp0$00.00%−16,394−100.0%Sold out
UBS Oconnor LLC0$00.00%−12,118−100.0%Sold out
MetLife Investment Management0$00.00%−11,555−100.0%Sold out
Soros Fund Management LLCSuperinvestorSoros Fund Management0$00.00%−10,000−100.0%Sold out
Zimmer Partners, LP0$00.00%−10,000−100.0%Sold out
SG Americas Securities, LLC0$00.00%−8,095−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−2,680−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed