Holocene Advisors’s Allegro MicroSystems ALGM Stock Holding History

Holocene Advisors’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	$4.39M	Buy	+63,010	New	+$2.95M	0.01%	443
2026 Q1	–	Sell	-12,962	Closed	-$342K	–	805
2025 Q4	$342K	Buy	+12,962	New	+$357K	﹤0.01%	697
2025 Q2	–	Sell	-93,404	Closed	-$2.35M	–	749
2025 Q1	$2.35M	Sell	93,404 -116,814	-56%	-$2.92M	0.01%	509
2024 Q4	$4.6M	Buy	210,218 +13,387	+7%	+$285K	0.01%	409
2024 Q3	$4.59M	Buy	196,831 +118,816	+152%	+$2.99M	0.02%	384
2024 Q2	$2.2M	Sell	78,015 -91,317	-54%	-$2.6M	0.01%	496
2024 Q1	$4.57M	Buy	+169,332	New	+$4.89M	0.02%	421
2021 Q3	–	Sell	-9,290	Closed	-$257K	–	798
2021 Q2	$257K	Buy	+9,290	New	+$242K	﹤0.01%	785

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

Holocene Advisors's ALGM Position: Q2 2026 in Review

Holocene Advisors opened a new position in Allegro MicroSystems (ALGM) in Q2 2026: 63,010 shares worth $4.39M. The stake represents 0.01% of the portfolio and ranks #443 among its holdings. This is a return to the name: Holocene Advisors previously reported a position in ALGM as recently as Q4 2025.

Holocene Advisors first reported a position in ALGM in Q2 2021 and has held it in 8 quarters since. The position peaked at $4.6M in Q4 2024. 375 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

Holocene Advisors held 63,010 shares of Allegro MicroSystems worth $4.39M as of Q2 2026.
Allegro MicroSystems was a new Holocene Advisors position in Q2 2026.
Allegro MicroSystems made up 0.01% of Holocene Advisors's portfolio in Q2 2026, its #443 holding.
Holocene Advisors first reported a position in Allegro MicroSystems in Q2 2021 and has held it in 8 quarters since.
Holocene Advisors's Allegro MicroSystems position peaked at $4.6M in Q4 2024.
375 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.