ANNX — ANNEXON INC

Ownership history in Longaeva Partners L.P.  ·  1 quarter on record

This page tracks every 13F SEC filing in which Longaeva Partners L.P. reported a position in ANNEXON INC (ANNX). 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
1.31% (2025 Q4)
Avg. % of fund
1.31%
First filed
2025 Q4
Last filed
2025 Q4
Quarters held
1
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 INITIATED 3,100,000 — — 1.31% $15.6M $5.02
% of Fund (quarterly)    ANNX price (monthly, adj. close)

Other funds also holding ANNX

As of 2025 Q4 — sorted by position size

Redmile Group, LLC 3Y 7Y 3.72% Tetragon Partners GP Ltd 3Y 7Y 2.15% Bain Capital Life Sciences Investors, LLC 3Y 7Y 2.02% Opaleye Management Inc. 3Y 7Y 1.72% Palo Alto Investors LP 3Y 7Y 1.67% MAK CAPITAL ONE LLC 3Y 7Y 1.63% BVF INC/IL 3Y 7Y 1.54% SPHERA FUNDS MANAGEMENT LTD. 3Y 7Y 1.28% Bellevue Group AG 3Y 7Y 0.49% Board of Trustees of The Leland Stanford Junior University 3Y 7Y 0.49%
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