Skip to main content

CASTLEARK MANAGEMENT LLC

Position in ALGM — Allegro Microsystems, Inc.

CIK 1106832 CHICAGO, IL

Position in ALGM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$9,879,078
+$5,230,926 QoQ
Shares Held
141,900
-3.7% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.30%
of 13F equity value
Holder Rank
#70
of 370 holders
Holding Since
Jun 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALGM Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

CASTLEARK MANAGEMENT LLC holds $564,520,624 across 18 Semiconductors names. ALGM ranks #9 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALGM

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,879,078 141,900
2026-03-31 $4,648,152 147,420
2025-09-30 $3,898,433 133,508
2025-06-30 $3,527,040 103,160