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FormFactor Stock Up 22% and Drawing a $35 Million New Stake as The Firm Beats Q3 Estimates

One fund’s sizable move into FormFactor hints at where the next leg of semiconductor infrastructure spending may show up first

By Jonathan Ponciano Dec 25, 2025 at 4:22PM EST

Key Points

  • New York City-based Shannon River Fund Management added 968,161 shares of FormFactor in the third quarter.
  • The move increased its exposure by an estimated $35.26 million.
  • As of September 30, the fund reported holding 968,161 FORM shares valued at $35.26 million.

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