Jim Simons’s Allegro MicroSystems ALGM Stock Holding History

Jim Simons’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	$3.91M	Sell	123,900 -312,300	-72%	-$10.8M	0.01%	1510
2025 Q4	$11.5M	Buy	+436,200	New	+$12M	0.02%	848
2024 Q2	–	Sell	-31,000	Closed	-$836K	–	3457
2024 Q1	$836K	Sell	31,000 -71,785	-70%	-$2.07M	﹤0.01%	2589
2023 Q4	$3.11M	Sell	102,785 -387,315	-79%	-$11.1M	﹤0.01%	1662
2023 Q3	$15.7M	Sell	490,100 -69,800	-12%	-$2.84M	0.03%	680
2023 Q2	$25.3M	Buy	559,900 +136,800	+32%	+$5.54M	0.04%	566
2023 Q1	$20.3M	Buy	423,100 +213,300	+102%	+$8.68M	0.03%	706
2022 Q4	$6.3M	Sell	209,800 -173,532	-45%	-$4.73M	0.01%	1369
2022 Q3	$8.38M	Buy	383,332 +84,532	+28%	+$1.96M	0.01%	1129
2022 Q2	$6.18M	Buy	298,800 +279,800	+1,473%	+$6.68M	0.01%	1408
2022 Q1	$540K	Buy	+19,000	New	+$543K	﹤0.01%	3136

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 $717B AUM 35.42% 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 $1.81T AUM 41.13% 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 $1.88T AUM 44.46% 1-Year Est. Return

Jim Simons's ALGM Position: Q1 2026 in Review

Jim Simons reduced its Allegro MicroSystems (ALGM) stake by 72% in Q1 2026, selling an estimated $10.8M and leaving 123,900 shares worth $3.91M. The position accounts for 0.01% of the portfolio, ranked #1510.

Jim Simons first reported a position in ALGM in Q1 2022 and has held it in 11 quarters since. The position peaked at $25.3M in Q2 2023. 320 funds tracked by Wall St. Rank hold ALGM as of Q1 2026.

Jim Simons held 123,900 shares of Allegro MicroSystems worth $3.91M as of Q1 2026.
Jim Simons sold 312,300 Allegro MicroSystems shares in Q1 2026, an estimated $10.8M.
Allegro MicroSystems made up 0.01% of Jim Simons's portfolio in Q1 2026, its #1510 holding.
Jim Simons first reported a position in Allegro MicroSystems in Q1 2022 and has held it in 11 quarters since.
Jim Simons's Allegro MicroSystems position peaked at $25.3M in Q2 2023.
320 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.