Castleark Management’s Allegro MicroSystems ALGM Stock Holding History

Castleark Management’s Portfolio ALGM Stock Details ALGM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$9.88M	Sell	141,900 -5,520	-4%	-$258K	0.27%	85
2026 Q1	$4.65M	Buy	+147,420	New	+$5.08M	0.15%	153
2025 Q4	–	Sell	-133,508	Closed	-$3.9M	–	298
2025 Q3	$3.9M	Buy	133,508 +30,348	+29%	+$982K	0.11%	165
2025 Q2	$3.53M	Buy	+103,160	New	+$2.57M	0.11%	147

Other funds holding ALGM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Castleark Management's ALGM Position: Q2 2026 in Review

Castleark Management reduced its Allegro MicroSystems (ALGM) stake by 3.7% in Q2 2026, selling an estimated $258K and leaving 141,900 shares worth $9.88M. The position accounts for 0.27% of the portfolio, ranked #85.

Castleark Management first reported a position in ALGM in Q2 2025 and has held it in 4 quarters since. 374 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

Castleark Management held 141,900 shares of Allegro MicroSystems worth $9.88M as of Q2 2026.
Castleark Management sold 5,520 Allegro MicroSystems shares in Q2 2026, an estimated $258K.
Allegro MicroSystems made up 0.27% of Castleark Management's portfolio in Q2 2026, its #85 holding.
Castleark Management first reported a position in Allegro MicroSystems in Q2 2025 and has held it in 4 quarters since.
374 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.