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Protolabs
PRLB

Fund managers haven’t disclosed any holdings of PRLB yet.

PRLB Hedge Fund Activity: Q1 2026 in Review

262 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Protolabs (PRLB) for Q1 2026, worth a combined $1.26B — up 14% from $1.1B a quarter earlier.

Buyers outnumbered sellers: 53 funds opened new PRLB positions and 19 closed out — a net gain of 34 holders — while 75 added to existing stakes and 79 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $17.4M. The largest seller was Rubric Capital Management (New York), cutting an estimated $37M.

  • 262 institutional investors held Protolabs (PRLB) as of Q1 2026, up from 234 in Q4 2025.
  • Funds reported $1.26B of Protolabs stock for Q1 2026, up 14% quarter-over-quarter.
  • 53 funds opened new Protolabs positions in Q1 2026 and 19 closed out, a net change of +34 holders.
  • The largest Protolabs buyer in Q1 2026 was Fidelity Investments, an estimated $17.4M added.
  • The largest Protolabs seller in Q1 2026 was Rubric Capital Management (New York), an estimated $37M sold.

Based on aggregated 13F filings for Q1 2026.