Skip to main content

DEERFIELD MANAGEMENT COMPANY, L.P.

Position in ANNX — Annexon, Inc.

CIK 1009258 NEW YORK, NY

Position in ANNX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$3,234,878
+$303,635 QoQ
Shares Held
583,913
0.0% QoQ
Ownership
0.293%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
not a current holder
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

DEERFIELD MANAGEMENT COMPANY, L.P. holds $5,090,522,306 across 44 Biotechnology names. ANNX ranks #41 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ANNX

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,234,878 583,913
2025-12-31 $2,931,243 583,913
2025-09-30 $1,780,934 583,913
2025-06-30 $1,401,391 583,913
2025-03-31 $1,126,952 583,913
2024-12-31 $2,995,473 583,913
2024-09-30 $3,456,764 583,913
2024-06-30 $2,861,173 583,913
2024-03-31 $4,186,656 583,913
2023-12-31 $2,650,965 583,913
2023-09-30 $1,378,034 583,913
2023-06-30 $2,055,373 583,913
2023-03-31 $2,248,065 583,913
2022-12-31 $3,018,830 583,913
2022-09-30 $3,608,582 583,913
2022-06-30 $2,201,352 583,913
2022-03-31 $1,594,082 583,913
2021-12-31 $6,709,160 583,913
2021-09-30 $10,866,620 583,913
2021-06-30 $13,143,881 583,913
2021-03-31 $16,256,137 583,913
2020-12-31 $29,230,684 1,167,826
2020-09-30 $48,906,879 1,617,826