MF
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Magnetar Financial’s FormFactor FORM Stock Holding History

Magnetar Financial’s Portfolio FORM Stock Details FORM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$619K Sell
6,385
-66,354
-91% -$5.71M 0.01% 588
2025
Q4 		$4.06M Buy
+72,739
New +$3.67M 0.04% 224

Other funds holding FORM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 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
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return

Magnetar Financial's FORM Position: Q1 2026 in Review

Magnetar Financial reduced its FormFactor (FORM) stake by 91% in Q1 2026, selling an estimated $5.71M and leaving 6,385 shares worth $619K. The position accounts for 0.01% of the portfolio, ranked #588.

Magnetar Financial first reported a position in FORM in Q4 2025 and has held it in 2 quarters since. The position peaked at $4.06M in Q4 2025. 393 funds tracked by Wall St. Rank hold FORM as of Q1 2026.

  • Magnetar Financial held 6,385 shares of FormFactor worth $619K as of Q1 2026.
  • Magnetar Financial sold 66,354 FormFactor shares in Q1 2026, an estimated $5.71M.
  • FormFactor made up 0.01% of Magnetar Financial's portfolio in Q1 2026, its #588 holding.
  • Magnetar Financial first reported a position in FormFactor in Q4 2025 and has held it in 2 quarters since.
  • Magnetar Financial's FormFactor position peaked at $4.06M in Q4 2025.
  • 393 funds tracked by Wall St. Rank held FormFactor as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.