Group One Trading
ALGM icon

Group One Trading’s Allegro MicroSystems ALGM Stock Holding History

Group One Trading’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 		$241K Sell
3,468
-5,946
-63% -$278K ﹤0.01% 4140
2026
Q1 		$297K Buy
+9,414
New +$324K ﹤0.01% 3809
2025
Q4 		– Sell
-7,177
Closed -$198K – 8033
2025
Q3 		$210K Sell
7,177
-45,684
-86% -$1.48M ﹤0.01% 4622
2025
Q2 		$1.81M Buy
52,861
+8,576
+19% +$214K ﹤0.01% 2241
2025
Q1 		$1.11M Buy
44,285
+9,385
+27% +$234K ﹤0.01% 2369
2024
Q4 		$763K Buy
+34,900
New +$743K ﹤0.01% 2810
2024
Q3 		– Sell
-3,966
Closed -$99.7K – 6574
2024
Q2 		$112K Buy
3,966
+2,784
+236% +$79.3K ﹤0.01% 3878
2024
Q1 		$31.9K Sell
1,182
-2,378
-67% -$68.7K ﹤0.01% 5070
2023
Q4 		$108K Buy
+3,560
New +$102K ﹤0.01% 4402
2023
Q2 		– Sell
-14,884
Closed -$603K – 7602
2023
Q1 		$714K Buy
+14,884
New +$606K ﹤0.01% 2423
2022
Q2 		– Sell
-800
Closed -$19.1K – 7726
2022
Q1 		$23K Hold
800
– – ﹤0.01% 6660
2021
Q4 		$29K Sell
800
-1,100
-58% -$35.8K ﹤0.01% 6736
2021
Q3 		$61K Buy
1,900
+600
+46% +$17.7K ﹤0.01% 6370
2021
Q2 		$36K Sell
1,300
-459
-26% -$12K ﹤0.01% 6821
2021
Q1 		$45K Buy
+1,759
New +$50.3K ﹤0.01% 6295

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

Group One Trading's ALGM Position: Q2 2026 in Review

Group One Trading reduced its Allegro MicroSystems (ALGM) stake by 63% in Q2 2026, selling an estimated $278K and leaving 3,468 shares worth $241K. The position accounts for ﹤0.01% of the portfolio, ranked #4140.

Group One Trading first reported a position in ALGM in Q1 2021 and has held it in 15 quarters since. The position peaked at $1.81M in Q2 2025. 375 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

  • Group One Trading held 3,468 shares of Allegro MicroSystems worth $241K as of Q2 2026.
  • Group One Trading sold 5,946 Allegro MicroSystems shares in Q2 2026, an estimated $278K.
  • Allegro MicroSystems made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4140 holding.
  • Group One Trading first reported a position in Allegro MicroSystems in Q1 2021 and has held it in 15 quarters since.
  • Group One Trading's Allegro MicroSystems position peaked at $1.81M in Q2 2025.
  • 375 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.