Jim Simons
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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
Q2 		– Sell
-123,900
Closed -$3.91M – 3161
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
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Jim Simons's ALGM Position: Q2 2026 in Review

Jim Simons sold out of Allegro MicroSystems (ALGM) in Q2 2026, closing a stake of 123,900 shares — an estimated $3.91M sold.

Jim Simons first reported a position in ALGM in Q1 2022 and held it in 11 quarters. The position peaked at $25.3M in Q2 2023. 376 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

  • Jim Simons reported no remaining Allegro MicroSystems position as of Q2 2026 after selling out during the quarter.
  • Jim Simons sold 123,900 Allegro MicroSystems shares in Q2 2026, an estimated $3.91M.
  • Jim Simons first reported a position in Allegro MicroSystems in Q1 2022 and held it in 11 quarters.
  • Jim Simons's Allegro MicroSystems position peaked at $25.3M in Q2 2023.
  • 376 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.