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Shannon River Fund Management’s FormFactor FORM Stock Holding History

Shannon River Fund Management’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
2025
Q4 		– Sell
-968,161
Closed -$35.3M – 29
2025
Q3 		$35.3M Buy
+968,161
New +$31.2M 5.68% 9

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EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
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
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Shannon River Fund Management's FORM Position: Q4 2025 in Review

Shannon River Fund Management sold out of FormFactor (FORM) in Q4 2025, closing a stake of 968,161 shares — an estimated $35.3M sold.

Shannon River Fund Management first reported a position in FORM in Q3 2025 and held it in 1 quarter. The position peaked at $35.3M in Q3 2025. 335 funds tracked by Wall St. Rank hold FORM as of Q4 2025.

  • Shannon River Fund Management reported no remaining FormFactor position as of Q4 2025 after selling out during the quarter.
  • Shannon River Fund Management sold 968,161 FormFactor shares in Q4 2025, an estimated $35.3M.
  • Shannon River Fund Management first reported a position in FormFactor in Q3 2025 and held it in 1 quarter.
  • Shannon River Fund Management's FormFactor position peaked at $35.3M in Q3 2025.
  • 335 funds tracked by Wall St. Rank held FormFactor as of Q4 2025.

Based on Shannon River Fund Management's 13F filing for Q4 2025, filed 17 Feb 2026.