Skip to main content

DIADEMA PARTNERS LP

Position in COGT — Cogent Biosciences, Inc.

CIK 2026172 MORRISTOWN, NJ

Position in COGT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$19,104,796
+$6,681,610 QoQ
Shares Held
493,664
+52.9% QoQ
Ownership
0.284%
of shares outstanding
% of Portfolio
7.21%
of 13F equity value
Holder Rank
#63
of 321 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in COGT Over Time

Shares Held

Position Value (USD)

Derivatives in COGT

reported options exposure · as of Sep 30, 2025
CallValue
$2,872,000
CallShares
200,000
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 Jun 30, 2026

DIADEMA PARTNERS LP holds $217,374,297 across 66 Biotechnology names. COGT ranks #3 (8.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 COGT
Cogent Biosciences, Inc.
This page
493,664 $19,104,796

All Filings in COGT

Export CSV
11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $19,104,796 493,664
2026-03-31 $12,423,186 322,764
2025-12-31 $4,683,383 131,852
2025-09-30 $2,872,000 200,000
2025-09-30 $1,404,594 97,813
2025-06-30 $2,816,089 392,213
2025-06-30 $49,542 6,900
2025-06-30 $1,446,052 201,400
2025-03-31 $1,206,386 201,400
2025-03-31 $2,349,355 392,213
2024-12-31 $702,000 90,000