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John Overdeck’s Allegro MicroSystems ALGM Stock Holding History

John Overdeck’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 		$230K Buy
+3,300
New +$154K ﹤0.01% 4698

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

John Overdeck's ALGM Position: Q2 2026 in Review

John Overdeck reduced its Allegro MicroSystems (ALGM) stake by 46% in Q2 2026, selling an estimated $13.8M and leaving 343,994 shares worth $23.9M. The position accounts for 0.02% of the portfolio, ranked #937.

John Overdeck first reported a position in ALGM in Q4 2020 and has held it in 19 quarters since. The position peaked at $40.4M in Q2 2023. 371 funds tracked by Wall St. Rank hold ALGM as of Q2 2026.

  • John Overdeck held 343,994 shares of Allegro MicroSystems worth $23.9M as of Q2 2026.
  • John Overdeck sold 295,847 Allegro MicroSystems shares in Q2 2026, an estimated $13.8M.
  • Allegro MicroSystems made up 0.02% of John Overdeck's portfolio in Q2 2026, its #937 holding.
  • John Overdeck first reported a position in Allegro MicroSystems in Q4 2020 and has held it in 19 quarters since.
  • John Overdeck's Allegro MicroSystems position peaked at $40.4M in Q2 2023.
  • 371 funds tracked by Wall St. Rank held Allegro MicroSystems as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.