SEPN

SEPTERNA INC
USCUSIP 81734D104
Institutional Owners
45
+10 QoQ
13F Value Held
$365.7M
Insider Net · 180d
-$172K
0↑ 1↓
Recent Filings
1
Smart-money sentimentBearish
BearishBullish
13F funds (latest Q)23 adding · 13 trimming
Insider net (180d)−$172K
Price history not yet available for SEPN.

Top institutional holders

45 13F filers
#FundPosition valueSharesLast moveAs of
1RA CAPITAL MANAGEMENT, L.P.
$168.1M
7.00MHeldQ1 2026
2Siren, L.L.C.
$48.1M
2.00MHeldQ1 2026
3BVF INC/IL
$32.5M
1.35MReducedQ1 2026
4Avoro Capital Advisors LLC
$32.1M
1.34MHeldQ1 2026
5VANGUARD CAPITAL MANAGEMENT LLC
$28.8M
1.20MNewQ1 2026
6STATE STREET CORP
$15.2M
631.4KAddedQ1 2026
7Venrock Adviser, LLC
$12.2M
506.1KReducedQ1 2026
8Soleus Capital Management, L.P.
$6.6M
275.0KReducedQ1 2026
9Universal- Beteiligungs- und Servicegesellschaft mbH
$5.4M
224.0KAddedQ1 2026
10VANGUARD PORTFOLIO MANAGEMENT LLC
$4.7M
195.0KNewQ1 2026
11VANGUARD FIDUCIARY TRUST CO
$3.7M
154.5KNewQ1 2026
12CITADEL ADVISORS LLC
$1.2M
42.2KAddedQ4 2025
13Sofinnova Investments, Inc.
$1.1M
47.5KNewQ1 2026
14Trexquant Investment LP
$848K
35.3KReducedQ1 2026
15Alyeska Investment Group, L.P.
$841K
35.0KHeldQ1 2026
16JACOBS LEVY EQUITY MANAGEMENT, INC
$683K
28.4KReducedQ1 2026
17Y-Intercept (Hong Kong) Ltd
$619K
25.8KNewQ1 2026
18Logos Global Management LP
$566K
23.5KHeldQ1 2026
19Engineers Gate Manager LP
$397K
16.5KNewQ1 2026
20LOS ANGELES CAPITAL MANAGEMENT LLC
$342K
14.2KNewQ1 2026
21MetLife Investment Management, LLC
$329K
13.7KHeldQ1 2026
22Verition Fund Management LLC
$297K
12.3KNewQ1 2026
23Man Group plc
$285K
11.9KNewQ1 2026
24SOROS FUND MANAGEMENT LLC
$229K
10.0KNewQ4 2024
25WINTON GROUP Ltd
$212K
8.8KNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
16
funds
Added
7
funds
Reduced
7
funds
Exited
6
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$172K
1 insiders
Net
-$172K
3 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jun 1, 2026Shaikhly SamiraChief People Officeracquired (M)4.4K$7K
Jun 1, 2026Shaikhly SamiraChief People Officeracquired (M)943$3K
Jun 1, 2026Shaikhly SamiraChief People Officeracquired (M)637$2K
Jun 1, 2026Shaikhly SamiraChief People OfficerSell (S)1.7K$47K
Jun 1, 2026Shaikhly SamiraChief People OfficerSell (S)1.3K$39K
Jun 1, 2026Shaikhly SamiraChief People OfficerSell (S)2.9K$86K
Jun 1, 2026Shaikhly SamiraChief People Officerdisposed (M)4.4K$0
Jun 1, 2026Shaikhly SamiraChief People Officerdisposed (M)943$0
Jun 1, 2026Shaikhly SamiraChief People Officerdisposed (M)637$0

Institutional ownership over time

40 funds+38 since Q4 2024
02040Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026
funds holding aggregate valuelatest $356M

Funds that own SEPN also own

CompanyCo-held byCombined value
Microsoft Corp - USMSFT33 funds$131.3B
Amazon.com IncAMZN33 funds$94.1B
Broadcom LtdAVGO33 funds$68.9B
Meta Platforms Inc-ClasMETA33 funds$58.4B
Eli Lilly & Co - USLLY33 funds$36.8B
Micron Technology Inc - USMU33 funds$21.8B
United Therapeutics CorpUTHR33 funds$3.1B
Mirum Pharmaceuticals Inc - USMIRM33 funds$427.3M
Dyne Therapeutics, IncDYN33 funds$264.9M
Nvidia Corp - USNVDA32 funds$201.5B
Alphabet, Inc.GOOGL32 funds$76.3B
At&T Inc - UST32 funds$10.6B

Ranked by how many of SEPN's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

1 shown

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SEPN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.