Vanguard Group
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Vanguard Group’s Allegro MicroSystems ALGM Stock Holding History

Vanguard Group’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
2025
Q4 		$375M Sell
14,202,528
-90,937
-0.6% -$2.5M 0.01% 1223
2025
Q3 		$417M Buy
14,293,465
+87,526
+0.6% +$2.83M 0.01% 1158
2025
Q2 		$486M Buy
14,205,939
+105,922
+0.8% +$2.64M 0.01% 1045
2025
Q1 		$354M Buy
14,100,017
+17,070
+0.1% +$426K 0.01% 1189
2024
Q4 		$308M Sell
14,082,947
-636,594
-4% -$13.6M 0.01% 1321
2024
Q3 		$343M Buy
14,719,541
+6,043,477
+70% +$152M 0.01% 1249
2024
Q2 		$245M Buy
8,676,064
+276,000
+3% +$7.86M ﹤0.01% 1382
2024
Q1 		$226M Buy
8,400,064
+999,939
+14% +$28.9M ﹤0.01% 1434
2023
Q4 		$224M Buy
7,400,125
+38,187
+0.5% +$1.09M ﹤0.01% 1441
2023
Q3 		$235M Buy
7,361,938
+355,814
+5% +$14.5M 0.01% 1347
2023
Q2 		$316M Sell
7,006,124
-438,968
-6% -$17.8M 0.01% 1203
2023
Q1 		$357M Buy
7,445,092
+896,771
+14% +$36.5M 0.01% 1104
2022
Q4 		$197M Sell
6,548,321
-85,094
-1% -$2.32M 0.01% 1442
2022
Q3 		$145M Buy
6,633,415
+263,189
+4% +$6.11M ﹤0.01% 1580
2022
Q2 		$132M Buy
6,370,226
+159,283
+3% +$3.8M ﹤0.01% 1655
2022
Q1 		$176M Sell
6,210,943
-24,579
-0.4% -$702K ﹤0.01% 1626
2021
Q4 		$226M Buy
6,235,522
+774,097
+14% +$25.2M 0.01% 1530
2021
Q3 		$175M Buy
5,461,425
+269,788
+5% +$7.95M ﹤0.01% 1687
2021
Q2 		$144M Buy
5,191,637
+1,234,086
+31% +$32.2M ﹤0.01% 1809
2021
Q1 		$100M Buy
3,957,551
+1,666,623
+73% +$47.7M ﹤0.01% 1943
2020
Q4 		$61.1M Buy
+2,290,928
New +$55.4M ﹤0.01% 2100

Other funds holding ALGM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
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
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Vanguard Group's ALGM Position: Q4 2025 in Review

Vanguard Group reduced its Allegro MicroSystems (ALGM) stake by 0.64% in Q4 2025, selling an estimated $2.5M and leaving 14,202,528 shares worth $375M. The position accounts for 0.01% of the portfolio, ranked #1223.

Vanguard Group first reported a position in ALGM in Q4 2020 and has held it in 21 quarters since. The position peaked at $486M in Q2 2025. 293 funds tracked by Wall St. Rank hold ALGM as of Q4 2025.

  • Vanguard Group held 14,202,528 shares of Allegro MicroSystems worth $375M as of Q4 2025.
  • Vanguard Group sold 90,937 Allegro MicroSystems shares in Q4 2025, an estimated $2.5M.
  • Allegro MicroSystems made up 0.01% of Vanguard Group's portfolio in Q4 2025, its #1223 holding.
  • Vanguard Group first reported a position in Allegro MicroSystems in Q4 2020 and has held it in 21 quarters since.
  • Vanguard Group's Allegro MicroSystems position peaked at $486M in Q2 2025.
  • 293 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.