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WELLINGTON MANAGEMENT GROUP LLP

Position in ANNX — Annexon, Inc.

CIK 902219 Boston, MA

Position in ANNX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$2,888,438
+$890,092 QoQ
Shares Held
521,379
+31.0% QoQ
Ownership
0.261%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2024
7 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 84.10005005955361.ToString("F0")% None 15.899949940446392.ToString("F0")%

Common Shares in ANNX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $14,418,547,095 across 180 Biotechnology names. ANNX ranks #94 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ANNX

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,888,438 521,379
2025-12-31 $1,998,346 398,077
2025-03-31 $688,006 356,480
2024-12-31 $1,375,691 268,166
2024-09-30 $1,559,090 263,360
2024-06-30 $947,752 193,419
2024-03-31 $1,215,816 169,570