T. Rowe Price Investment Management’s Allegro MicroSystems ALGM Stock Holding History

T. Rowe Price Investment 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 Q1	$17.7M	Buy	561,344 +211,995	+61%	+$7.31M	0.01%	486
2025 Q4	$9.22M	Sell	349,349 -735,849	-68%	-$20.3M	0.01%	557
2025 Q3	$31.7M	Sell	1,085,198 -202,643	-16%	-$6.55M	0.02%	448
2025 Q2	$44M	Buy	1,287,841 +7,595	+0.6%	+$189K	0.03%	411
2025 Q1	$32.2M	Sell	1,280,246 -785,633	-38%	-$19.6M	0.02%	462
2024 Q4	$45.2M	Buy	2,065,879 +491,173	+31%	+$10.5M	0.03%	423
2024 Q3	$36.7M	Sell	1,574,706 -1,279,397	-45%	-$32.2M	0.02%	453
2024 Q2	$80.6M	Buy	2,854,103 +86,978	+3%	+$2.48M	0.05%	317
2024 Q1	$74.6M	Buy	2,767,125 +1,080,287	+64%	+$31.2M	0.05%	337
2023 Q4	$51.1M	Buy	+1,686,838	New	+$48.2M	0.03%	389

Other funds holding ALGM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

T. Rowe Price Investment Management's ALGM Position: Q1 2026 in Review

T. Rowe Price Investment Management increased its Allegro MicroSystems (ALGM) stake by 61% in Q1 2026, buying an estimated $7.31M and bringing the position to 561,344 shares worth $17.7M. The position accounts for 0.01% of the portfolio, ranked #486.

T. Rowe Price Investment Management first reported a position in ALGM in Q4 2023 and has held it in 10 quarters since. The position peaked at $80.6M in Q2 2024. 320 funds tracked by Wall St. Rank hold ALGM as of Q1 2026.

T. Rowe Price Investment Management held 561,344 shares of Allegro MicroSystems worth $17.7M as of Q1 2026.
T. Rowe Price Investment Management bought 211,995 Allegro MicroSystems shares in Q1 2026, an estimated $7.31M.
Allegro MicroSystems made up 0.01% of T. Rowe Price Investment Management's portfolio in Q1 2026, its #486 holding.
T. Rowe Price Investment Management first reported a position in Allegro MicroSystems in Q4 2023 and has held it in 10 quarters since.
T. Rowe Price Investment Management's Allegro MicroSystems position peaked at $80.6M in Q2 2024.
320 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q1 2026.

Based on T. Rowe Price Investment Management's 13F filing for Q1 2026, filed 15 May 2026.