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Bain Capital Life Sciences Investors, LLC

Position in ANNX — Annexon, Inc.

CIK 1703031 Boston, MA

Position in ANNX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$28,878,213
+$2,527,887 QoQ
Shares Held
5,212,674
-0.7% QoQ
Ownership
2.61%
of shares outstanding
% of Portfolio
2.62%
of 13F equity value
Holder Rank
#7
of 216 holders
Holding Since
Sep 2020
23 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ANNX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Bain Capital Life Sciences Investors, LLC holds $806,308,171 across 15 Biotechnology names. ANNX ranks #8 (3.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 ANNX
Annexon, Inc.
This page
5,212,674 $28,878,213

All Filings in ANNX

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23 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $28,878,213 5,212,674
2025-12-31 $26,350,326 5,249,069
2025-09-30 $16,009,660 5,249,069
2025-06-30 $12,597,765 5,249,069
2025-03-31 $10,130,703 5,249,069
2024-12-31 $26,927,723 5,249,069
2024-09-30 $50,022,508 8,449,748
2024-06-30 $41,401,119 8,449,208
2024-03-31 $62,402,431 8,703,268
2023-12-31 $36,600,204 8,061,719
2023-09-30 $13,456,545 5,701,926
2023-06-30 $20,070,779 5,701,926
2023-03-31 $18,813,471 4,886,616
2022-12-31 $25,263,804 4,886,616
2022-09-30 $22,259,902 3,601,926
2022-06-30 $12,220,937 3,241,628
2022-03-31 $8,849,644 3,241,628
2021-12-31 $37,246,305 3,241,628
2021-09-30 $60,326,697 3,241,628
2021-06-30 $72,969,046 3,241,628
2021-03-31 $90,246,923 3,241,628
2020-12-31 $81,137,948 3,241,628
2020-09-30 $97,994,414 3,241,628