Wellington Management Group’s Allegro MicroSystems ALGM Stock Holding History

Wellington Management Group’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	$56.7M	Buy	814,937 +141,841	+21%	+$6.64M	0.01%	718
2026 Q1	$21.2M	Sell	673,096 -433,241	-39%	-$14.9M	﹤0.01%	988
2025 Q4	$29.2M	Sell	1,106,337 -54,580	-5%	-$1.5M	0.01%	895
2025 Q3	$33.9M	Sell	1,160,917 -1,475,922	-56%	-$47.7M	0.01%	844
2025 Q2	$90.2M	Sell	2,636,839 -612,051	-19%	-$15.2M	0.02%	553
2025 Q1	$81.6M	Sell	3,248,890 -744,792	-19%	-$18.6M	0.02%	559
2024 Q4	$87.3M	Buy	3,993,682 +934,048	+31%	+$19.9M	0.02%	567
2024 Q3	$71.3M	Buy	+3,059,634	New	+$76.9M	0.01%	620
2023 Q1	–	Sell	-1,237,089	Closed	-$37.1M	–	1988
2022 Q4	$37.1M	Sell	1,237,089 -259,457	-17%	-$7.08M	0.01%	756
2022 Q3	$32.7M	Sell	1,496,546 -55,154	-4%	-$1.28M	0.01%	766
2022 Q2	$32.1M	Buy	1,551,700 +163,371	+12%	+$3.9M	0.01%	809
2022 Q1	$39.4M	Buy	+1,388,329	New	+$39.7M	0.01%	835
2021 Q3	–	Sell	-9,794	Closed	-$271K	–	2144
2021 Q2	$271K	Buy	+9,794	New	+$256K	﹤0.01%	2052

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

Wellington Management Group's ALGM Position: Q2 2026 in Review

Wellington Management Group increased its Allegro MicroSystems (ALGM) stake by 21% in Q2 2026, buying an estimated $6.64M and bringing the position to 814,937 shares worth $56.7M. The position accounts for 0.01% of the portfolio, ranked #718.

Wellington Management Group first reported a position in ALGM in Q2 2021 and has held it in 13 quarters since. The position peaked at $90.2M in Q2 2025. 374 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

Wellington Management Group held 814,937 shares of Allegro MicroSystems worth $56.7M as of Q2 2026.
Wellington Management Group bought 141,841 Allegro MicroSystems shares in Q2 2026, an estimated $6.64M.
Allegro MicroSystems made up 0.01% of Wellington Management Group's portfolio in Q2 2026, its #718 holding.
Wellington Management Group first reported a position in Allegro MicroSystems in Q2 2021 and has held it in 13 quarters since.
Wellington Management Group's Allegro MicroSystems position peaked at $90.2M in Q2 2025.
374 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

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