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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, Q2 2025

Institutional positions in Septerna, Inc. as of Jun 30, 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
89
+19 vs. Q1 2025
Shares held
44.4M
−839.0K (−1.9%) vs. Q1 2025
Total value
$469.6M
+$207.5M (+79.2%) vs. Q1 2025
New holders
25
31 more added
Sold out
6
19 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 89 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 heldQ2 2025: $469.6M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Septerna, Inc.; share changes are against Q1 2025.

Institutions holding SEPN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.6,995,858$73.9M1.25%00.0%Unchanged
TRV GP V, LLC6,215,591$65.7M39.66%00.0%Unchanged
Driehaus Capital Management LLC4,680,431$49.5M0.40%+1,557,823+49.9%Added
BVF Inc4,396,124$46.5M1.66%00.0%Unchanged
TRV GP VI, LLC4,211,659$44.5M69.32%00.0%Unchanged
Samsara BioCapital, LLC3,149,128$33.3M6.81%00.0%Unchanged
Siren, L.L.C.2,202,514$23.3M1.20%00.0%Unchanged
Goldman Sachs Group Inc1,416,314$15.0M0.00%−33,085−2.3%Reduced
Vanguard Group Inc1,414,363$14.9M0.00%+419,319+42.1%Added
BlackRock, Inc.1,390,800$14.7M0.00%+132,487+10.5%Added
Avoro Capital Advisors LLC1,237,500$13.1M0.23%−100,000−7.5%Reduced
ADAR1 Capital Management, LLC847,227$8.96M1.45%+126,379+17.5%Added
Checkpoint Capital L.P.586,473$6.20M2.89%−238,405−28.9%Reduced
Sio Capital Management, LLC584,435$6.18M2.48%−204,235−25.9%Reduced
Casdin Capital, LLC553,268$5.85M0.53%00.0%Unchanged
Perceptive Advisors LLC541,450$5.72M0.21%+541,450New
VR Adviser, LLC540,453$5.71M0.43%+540,453New
Geode Capital Management, LLC487,956$5.16M0.00%+78,316+19.1%Added
State Street Corp369,992$3.91M0.00%+25,388+7.4%Added
Catalio Capital Management, LP294,360$3.11M0.65%−729,885−71.3%Reduced
Woodline Partners LP282,585$2.99M0.02%−300,000−51.5%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH222,702$2.35M0.00%+119,953+116.7%Added
Susquehanna International Group, LLP166,506$1.76M0.00%+141,297+560.5%Added
Charles Schwab Investment Management Inc154,781$1.64M0.00%+36,330+30.7%Added
Northern Trust Corp154,344$1.63M0.00%−3,696−2.3%Reduced
Deep Track Capital, LP121,716$1.29M0.04%−1,791,213−93.6%Reduced
Logos Global Management LP109,202$1.15M0.15%−25,000−18.6%Reduced
Bank of America Corp99,213$1.05M0.00%+87,654+758.3%Added
Morgan Stanley84,860$897.0K0.00%−6,184−6.8%Reduced
Two Sigma Investments, LP77,642$820.7K0.00%+2,801+3.7%Added
Soleus Capital Management, L.P.75,456$797.6K0.06%−675,897−90.0%Reduced
UBS Group AG72,335$764.6K0.00%−167,595−69.9%Reduced
Rangeley Capital, LLC58,605$619.5K0.78%+5,655+10.7%Added
Nuveen, LLC57,971$612.8K0.00%+34,010+141.9%Added
Millennium Management LLC51,944$549.0K0.00%−384,620−88.1%Reduced
Bank of New York Mellon Corp48,489$512.5K0.00%+10,113+26.4%Added
Barclays PLC35,706$377.4K0.00%+12,973+57.1%Added
Alyeska Investment Group, L.P.35,000$369.9K0.00%00.0%Unchanged
UBS Asset Management Americas Inc28,700$303.4K0.00%+28,700New
Rhumbline Advisers28,572$302.0K0.00%+5,254+22.5%Added
Price T Rowe Associates Inc24,902$264.0K0.00%+1,945+8.5%Added
Boothbay Fund Management, LLC24,142$255.2K0.01%+24,142New
Gsa Capital Partners LLP23,527$249.0K0.02%+5,228+28.6%Added
Simplex Trading, LLC23,525$248.0K0.01%+23,495+78,316.7%Added
XTX Topco Ltd22,330$236.0K0.01%−15,020−40.2%Reduced
Alliancebernstein L.P.22,100$233.6K0.00%+22,100New
Citadel Advisors LLC17,774$187.9K0.00%+17,774New
Tudor Investment Corp Et Al16,761$177.2K0.00%+16,761New
Wells Fargo & Company14,717$155.6K0.00%+3,848+35.4%Added
MetLife Investment Management13,685$144.7K0.00%+13,685New
Congress Wealth Management LLC12,589$133.1K0.00%+12,589New
Intech Investment Management LLC12,200$129.0K0.00%+12,200New
Deutsche Bank AG12,123$128.1K0.00%−3,845−24.1%Reduced
Invesco Ltd.11,833$125.1K0.00%−369−3.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.11,697$123.6K0.00%+710+6.5%Added
Squarepoint Ops LLC10,737$113.5K0.00%+10,737New
Quadrature Capital Ltd10,125$107.3K0.00%+10,125New
PharVision Advisers, LLC10,152$107.3K0.15%+10,152New
JPMorgan Chase & Co10,101$106.8K0.00%+1,315+15.0%Added
Citigroup Inc7,173$75.8K0.00%−30,882−81.2%Reduced
Quarry LP3,601$38.1K0.01%+3,601New
Police & Firemen's Retirement System of New Jersey3,555$37.6K0.00%00.0%Unchanged
STRS Ohio3,400$35.9K0.00%00.0%Unchanged
New York State Common Retirement Fund2,900$30.7K0.00%00.0%Unchanged
FMR LLC2,485$26.3K0.00%−47,293−95.0%Reduced
Covestor Ltd2,324$24.0K0.01%+2,318+38,633.3%Added
Tower Research Capital LLC (TRC)2,225$23.5K0.00%+437+24.4%Added
BNP Paribas Arbitrage, SA2,210$23.4K0.00%+1,061+92.3%Added
Legal & General Group Plc1,945$20.6K0.00%+105+5.7%Added
Ameritas Investment Partners, Inc.1,944$20.5K0.00%00.0%Unchanged
Royal Bank of Canada1,840$19.0K0.00%+1,038+129.4%Added
California State Teachers Retirement System1,370$14.5K0.00%−42,992−96.9%Reduced
Signaturefd, LLC966$10.2K0.00%+966New
CWM, LLC872$9.00K0.00%+590+209.2%Added
Group One Trading, L.P.789$8.34K0.00%+789New
Amalgamated Bank634$7.00K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd605$6.39K0.00%+605New
GAMMA Investing LLC577$6.10K0.00%+143+32.9%Added
Sterling Capital Management LLC577$6.10K0.00%+420+267.5%Added
US Bancorp265$2.80K0.00%+265New
Raymond James Financial Inc222$2.35K0.00%+222New
Advisor Group Holdings, Inc.214$2.26K0.00%+214New
Comerica Bank212$2.24K0.00%+212New
Nisa Investment Advisors, LLC143$1.51K0.00%+9+6.7%Added
Fortitude Family Office, LLC71$7500.00%+71New
SBI Securities Co., Ltd.50$5290.00%+50New
Rothschild Investment LLC30$3170.00%+30New
EverSource Wealth Advisors, LLC22$2330.00%+22New
National Bank of Canada8$850.00%00.0%Unchanged
Stonepine Capital Management, LLC0$00.00%−68,084−100.0%Sold out
Swiss National Bank0$00.00%−30,100−100.0%Sold out
Stoneridge Investment Partners LLC0$00.00%−18,477−100.0%Sold out
Chicago Partners Investment Group LLC0$00.00%−10,954−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−9,102−100.0%Sold out
KLP Kapitalforvaltning AS0$00.00%−8,400−100.0%Sold out
Lindbrook Capital, LLC––––Not filed