Summit Partners Public Asset Management’s Allegro MicroSystems ALGM Stock Holding History

Summit Partners Public Asset 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	$788K	Buy	+25,000	New	+$862K	0.02%	147
2025 Q2	–	Sell	-520,000	Closed	-$13.1M	–	135
2025 Q1	$13.1M	Buy	520,000 +20,000	+4%	+$499K	0.34%	90
2024 Q4	$10.9M	Buy	+500,000	New	+$10.7M	0.21%	109

Other funds holding ALGM

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

BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 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

Summit Partners Public Asset Management's ALGM Position: Q1 2026 in Review

Summit Partners Public Asset Management opened a new position in Allegro MicroSystems (ALGM) in Q1 2026: 54,000 shares worth $1.7M. The stake represents 0.05% of the portfolio and ranks #143 among its holdings. This is a return to the name: Summit Partners Public Asset Management previously reported a position in ALGM as recently as Q2 2025.

Summit Partners Public Asset Management first reported a position in ALGM in Q3 2022 and has held it in 7 quarters since. The position peaked at $57.1M in Q1 2025. 320 funds tracked by Wall St. Rank hold ALGM as of Q1 2026.

Summit Partners Public Asset Management held 54,000 shares of Allegro MicroSystems worth $1.7M as of Q1 2026.
Allegro MicroSystems was a new Summit Partners Public Asset Management position in Q1 2026.
Allegro MicroSystems made up 0.05% of Summit Partners Public Asset Management's portfolio in Q1 2026, its #143 holding.
Summit Partners Public Asset Management first reported a position in Allegro MicroSystems in Q3 2022 and has held it in 7 quarters since.
Summit Partners Public Asset Management's Allegro MicroSystems position peaked at $57.1M in Q1 2025.
320 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q1 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q1 2026, filed 15 May 2026.