Marshall Wace’s Allegro MicroSystems ALGM Stock Holding History

Marshall Wace’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	$927K	Sell	13,309 -726,471	-98%	-$34M	﹤0.01%	2234
2026 Q1	$23.3M	Buy	739,780 +25,201	+4%	+$869K	0.02%	649
2025 Q4	$18.9M	Buy	714,579 +576,493	+417%	+$15.9M	0.02%	649
2025 Q3	$4.03M	Buy	+138,086	New	+$4.47M	﹤0.01%	1274
2025 Q1	–	Sell	-62,737	Closed	-$1.37M	–	2597
2024 Q4	$1.37M	Buy	+62,737	New	+$1.34M	﹤0.01%	1587
2022 Q1	–	Sell	-35,734	Closed	-$1.29M	–	3296
2021 Q4	$1.29M	Buy	+35,734	New	+$1.16M	﹤0.01%	2342
2021 Q3	–	Sell	-52,047	Closed	-$1.44M	–	2976
2021 Q2	$1.44M	Sell	52,047 -66,297	-56%	-$1.73M	0.01%	1628
2021 Q1	$3M	Buy	+118,344	New	+$3.38M	0.01%	1119

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

Marshall Wace's ALGM Position: Q2 2026 in Review

Marshall Wace reduced its Allegro MicroSystems (ALGM) stake by 98% in Q2 2026, selling an estimated $34M and leaving 13,309 shares worth $927K. The position accounts for ﹤0.01% of the portfolio, ranked #2234.

Marshall Wace first reported a position in ALGM in Q1 2021 and has held it in 8 quarters since. The position peaked at $23.3M in Q1 2026. 374 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

Marshall Wace held 13,309 shares of Allegro MicroSystems worth $927K as of Q2 2026.
Marshall Wace sold 726,471 Allegro MicroSystems shares in Q2 2026, an estimated $34M.
Allegro MicroSystems made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2234 holding.
Marshall Wace first reported a position in Allegro MicroSystems in Q1 2021 and has held it in 8 quarters since.
Marshall Wace's Allegro MicroSystems position peaked at $23.3M in Q1 2026.
374 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.