Massachusetts Financial Services
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Massachusetts Financial Services’s Allegro MicroSystems ALGM Stock Holding History

Massachusetts Financial Services’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 		$100M Buy
1,443,495
+1,374,198
+1,983% +$64.3M 0.03% 390
2026
Q1 		$2.18M Sell
69,297
-10,860
-14% -$374K ﹤0.01% 797
2025
Q4 		$2.11M Buy
80,157
+39,767
+98% +$1.09M ﹤0.01% 786
2025
Q3 		$1.18M Sell
40,390
-472,655
-92% -$15.3M ﹤0.01% 794
2025
Q2 		$17.5M Sell
513,045
-97,122
-16% -$2.42M 0.01% 632
2025
Q1 		$15.3M Sell
610,167
-462,767
-43% -$11.5M 0.01% 618
2024
Q4 		$23.5M Sell
1,072,934
-380,070
-26% -$8.1M 0.01% 585
2024
Q3 		$33.9M Buy
1,453,004
+468,707
+48% +$11.8M 0.01% 518
2024
Q2 		$27.8M Buy
984,297
+25,497
+3% +$726K 0.01% 543
2024
Q1 		$25.8M Sell
958,800
-118,800
-11% -$3.43M 0.01% 547
2023
Q4 		$32.6M Buy
1,077,600
+17,969
+2% +$513K 0.01% 517
2023
Q3 		$33.8M Sell
1,059,631
-9,453
-0.9% -$384K 0.01% 495
2023
Q2 		$48.3M Buy
1,069,084
+678,544
+174% +$27.5M 0.02% 443
2023
Q1 		$18.7M Buy
+390,540
New +$15.9M 0.01% 563
2021
Q1 		– Sell
-500,000
Closed -$13.3M – 911
2020
Q4 		$13.3M Buy
+500,000
New +$12.1M ﹤0.01% 624

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 $3.37T AUM 44.26% 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

Massachusetts Financial Services's ALGM Position: Q2 2026 in Review

Massachusetts Financial Services increased its Allegro MicroSystems (ALGM) stake by 1,983% in Q2 2026, buying an estimated $64.3M and bringing the position to 1,443,495 shares worth $100M. The position accounts for 0.03% of the portfolio, ranked #390.

Massachusetts Financial Services first reported a position in ALGM in Q4 2020 and has held it in 15 quarters since. 374 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

  • Massachusetts Financial Services held 1,443,495 shares of Allegro MicroSystems worth $100M as of Q2 2026.
  • Massachusetts Financial Services bought 1,374,198 Allegro MicroSystems shares in Q2 2026, an estimated $64.3M.
  • Allegro MicroSystems made up 0.03% of Massachusetts Financial Services's portfolio in Q2 2026, its #390 holding.
  • Massachusetts Financial Services first reported a position in Allegro MicroSystems in Q4 2020 and has held it in 15 quarters since.
  • 374 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.