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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in ANNX — Annexon, Inc.

CIK 1165408 Boston, MA

Position in ANNX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$19,985,000
-$3,837,000 QoQ
Shares Held
3,500,000
-18.6% QoQ
Ownership
1.71%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#17
of 216 holders
Holding Since
Sep 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ANNX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,240,035,723 across 126 Biotechnology names. ANNX ranks #51 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ANNX

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $19,985,000 3,500,000
2026-03-31 $23,822,000 4,300,000
2025-12-31 $27,610,000 5,500,000
2025-09-30 $4,575,000 1,500,000
2024-09-30 $16,813,658 2,840,145
2024-06-30 $13,916,710 2,840,145
2024-03-31 $30,974,220 4,319,975
2023-12-31 $22,699,886 4,999,975
2023-09-30 $5,545,941 2,349,975
2023-06-30 $8,271,912 2,349,975
2023-03-31 $13,667,403 3,549,975
2022-12-31 $18,353,370 3,549,975
2022-09-30 $22,204,585 3,592,975
2022-06-30 $3,602,725 955,630
2022-03-31 $2,620,335 959,830
2021-12-31 $11,028,446 959,830
2021-09-30 $18,792,936 1,009,830
2021-06-30 $21,605,773 959,830
2021-03-31 $28,113,667 1,009,830
2020-12-31 $25,276,044 1,009,830
2020-09-30 $33,550,160 1,109,830