SEI Investments
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SEI Investments’s Allegro MicroSystems ALGM Stock Holding History

SEI Investments’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 		$6.9M Buy
218,976
+122,065
+126% +$4.21M 0.01% 1333
2025
Q4 		$2.56M Buy
96,911
+8,783
+10% +$242K ﹤0.01% 1722
2025
Q3 		$2.57M Buy
88,128
+1,776
+2% +$57.4K ﹤0.01% 1594
2025
Q2 		$2.95M Sell
86,352
-296,310
-77% -$7.38M ﹤0.01% 1493
2025
Q1 		$9.62M Buy
382,662
+9,267
+2% +$231K 0.01% 986
2024
Q4 		$8.16M Sell
373,395
-7,160
-2% -$153K 0.01% 1069
2024
Q3 		$8.87M Buy
380,555
+214,673
+129% +$5.4M 0.01% 1032
2024
Q2 		$4.68M Buy
165,882
+5,068
+3% +$144K 0.01% 1254
2024
Q1 		$4.34M Sell
160,814
-3,586
-2% -$104K 0.01% 1272
2023
Q4 		$4.98M Sell
164,400
-226,744
-58% -$6.47M 0.01% 1194
2023
Q3 		$12.5M Buy
391,144
+116,603
+42% +$4.74M 0.02% 735
2023
Q2 		$12.4M Sell
274,541
-25,235
-8% -$1.02M 0.02% 762
2023
Q1 		$14.4M Buy
299,776
+145,583
+94% +$5.92M 0.03% 675
2022
Q4 		$4.63M Sell
154,193
-344,249
-69% -$9.39M 0.01% 1092
2022
Q3 		$10.9M Buy
498,442
+26,794
+6% +$622K 0.02% 733
2022
Q2 		$9.76M Buy
471,648
+338,383
+254% +$8.08M 0.02% 784
2022
Q1 		$3.78M Sell
133,265
-28,959
-18% -$828K 0.01% 1254
2021
Q4 		$5.86M Buy
162,224
+119,485
+280% +$3.89M 0.01% 1055
2021
Q3 		$1.33M Sell
42,739
-1,848
-4% -$54.5K ﹤0.01% 1666
2021
Q2 		$1.24M Buy
44,587
+25,592
+135% +$668K ﹤0.01% 1720
2021
Q1 		$482K Buy
18,995
+8,979
+90% +$257K ﹤0.01% 2045
2020
Q4 		$267K Buy
+10,016
New +$242K ﹤0.01% 2258

Other funds holding ALGM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
JP Morgan Chase
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

SEI Investments's ALGM Position: Q1 2026 in Review

SEI Investments increased its Allegro MicroSystems (ALGM) stake by 126% in Q1 2026, buying an estimated $4.21M and bringing the position to 218,976 shares worth $6.9M. The position accounts for 0.01% of the portfolio, ranked #1333.

SEI Investments first reported a position in ALGM in Q4 2020 and has held it in 22 quarters since. The position peaked at $14.4M in Q1 2023. 320 funds tracked by Wall St. Rank hold ALGM as of Q1 2026.

  • SEI Investments held 218,976 shares of Allegro MicroSystems worth $6.9M as of Q1 2026.
  • SEI Investments bought 122,065 Allegro MicroSystems shares in Q1 2026, an estimated $4.21M.
  • Allegro MicroSystems made up 0.01% of SEI Investments's portfolio in Q1 2026, its #1333 holding.
  • SEI Investments first reported a position in Allegro MicroSystems in Q4 2020 and has held it in 22 quarters since.
  • SEI Investments's Allegro MicroSystems position peaked at $14.4M in Q1 2023.
  • 320 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.