Skip to main content

DIADEMA PARTNERS LP

Position in ANNX — Annexon, Inc.

CIK 2026172 MORRISTOWN, NJ

Position in ANNX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$736,354
-$1,020,646 QoQ
Shares Held
132,916
-62.0% QoQ
Ownership
0.067%
of shares outstanding
% of Portfolio
0.33%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 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)

Derivatives in ANNX

reported options exposure · as of Mar 31, 2026
CallValue
$1,956,728
CallShares
353,200
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Mar 31, 2026

DIADEMA PARTNERS LP holds $177,237,458 across 73 Biotechnology names. ANNX ranks #41 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ANNX

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $736,354 132,916
2026-03-31 $1,956,728 353,200
2025-12-31 $1,757,000 350,000
2025-12-31 $1,551,682 309,100