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CASTLEARK MANAGEMENT LLC

Position in COGT — Cogent Biosciences, Inc.

CIK 1106832 CHICAGO, IL

Position in COGT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,864,969
+$1,403,534 QoQ
Shares Held
99,870
+56.2% QoQ
Ownership
0.058%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#137
of 321 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in COGT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

CASTLEARK MANAGEMENT LLC holds $107,512,673 across 17 Biotechnology names. COGT ranks #10 (3.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in COGT

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,864,969 99,870
2026-03-31 $2,461,435 63,950