SEPN — SEPTERNA INC

Ownership history in BVF INC/IL  ·  5 quarters on record

This page tracks every 13F SEC filing in which BVF INC/IL reported a position in SEPTERNA INC (SEPN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
3.06% (2025 Q3)
Avg. % of fund
1.86%
First filed
2024 Q4
Last filed
2025 Q4
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 1,720,782 -2,295,008 -57.1% 1.61% $48.0M $27.88
2025 Q3 REDUCED 4,015,790 -380,334 -8.7% 3.06% $75.5M $18.81
2025 Q2 UNCHANGED 4,396,124 — 0% 1.66% $46.5M $10.57
2025 Q1 ADDED 4,396,124 +1,944,100 +79.3% 1.04% $25.5M $5.79
2024 Q4 INITIATED 2,452,024 — — 1.90% $56.2M $22.90
% of Fund (quarterly)    SEPN price (monthly, adj. close)

Other funds also holding SEPN

As of 2025 Q4 — sorted by position size

TRV GP VI, LLC 79.05% TRV GP V, LLC 40.38% Samsara BioCapital, LLC 3Y 7Y 9.06% ADAR1 Capital Management, LLC 2.34% RA CAPITAL MANAGEMENT, L.P. 3Y 7Y 2.0% Siren, L.L.C. 1.66% Rangeley Capital, LLC 1.52% Catalio Capital Management, LP 1.45% First Light Asset Management, LLC 3Y 7Y 1.32% Casdin Capital, LLC 3Y 7Y 0.96%
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