Capital Research Global Investors’s Allegro MicroSystems ALGM Stock Holding History

Capital Research Global Investors’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	$836M	Sell	12,006,396 -429,162	-3%	-$20.1M	0.12%	128
2026 Q1	$392M	Sell	12,435,558 -675,734	-5%	-$23.3M	0.06%	186
2025 Q4	$346M	Sell	13,111,292 -3,713,430	-22%	-$102M	0.06%	177
2025 Q3	$491M	Buy	16,824,722 +920,365	+6%	+$29.8M	0.09%	148
2025 Q2	$544M	Buy	15,904,357 +4,841,556	+44%	+$121M	0.11%	135
2025 Q1	$278M	Buy	11,062,801 +5,294,593	+92%	+$132M	0.06%	182
2024 Q4	$126M	Buy	5,768,208 +353,776	+7%	+$7.54M	0.03%	276
2024 Q3	$126M	Buy	+5,414,432	New	+$136M	0.03%	259
2021 Q3	–	Sell	-318,541	Closed	-$8.82M	–	442
2021 Q2	$8.82M	Sell	318,541 -53,159	-14%	-$1.39M	﹤0.01%	418
2021 Q1	$9.42M	Sell	371,700 -928,300	-71%	-$26.5M	﹤0.01%	407
2020 Q4	$34.7M	Buy	+1,300,000	New	+$31.4M	0.01%	361

Other funds holding ALGM

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Capital Research Global Investors's ALGM Position: Q2 2026 in Review

Capital Research Global Investors reduced its Allegro MicroSystems (ALGM) stake by 3.5% in Q2 2026, selling an estimated $20.1M and leaving 12,006,396 shares worth $836M. The position accounts for 0.12% of the portfolio, ranked #128.

Capital Research Global Investors first reported a position in ALGM in Q4 2020 and has held it in 11 quarters since. 277 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

Capital Research Global Investors held 12,006,396 shares of Allegro MicroSystems worth $836M as of Q2 2026.
Capital Research Global Investors sold 429,162 Allegro MicroSystems shares in Q2 2026, an estimated $20.1M.
Allegro MicroSystems made up 0.12% of Capital Research Global Investors's portfolio in Q2 2026, its #128 holding.
Capital Research Global Investors first reported a position in Allegro MicroSystems in Q4 2020 and has held it in 11 quarters since.
277 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Capital Research Global Investors's 13F filing for Q2 2026, filed 12 Aug 2026.