Skip to main content

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

ALGM holding history

Allegro Microsystems, Inc. in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ALGM overviewAll 13F holders of ALGMFull Q2 2026 holdings

Shares (Q2 2026)
141,900
Value
$9.88M
% of portfolio
0.3%
Quarters held
4
Since Q2 2025
Holdings of ALGM by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026141,900$9.88M0.3%−5,520−3.7%ReducedHolders
Q1 2026147,420$4.65M0.2%+147,420NewHolders
Q4 20250$00.0%−133,508−100.0%Sold outHolders
Q3 2025133,508$3.90M0.1%+30,348+29.4%AddedHolders
Q2 2025103,160$3.53M0.1%+103,160NewHolders