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Rubric Capital Management (New York)’s Protolabs PRLB Stock Holding History

Rubric Capital Management (New York)’s Portfolio PRLB Stock Details PRLB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$8.86M Sell
108,692
-377,708
-78% -$26.6M 0.08% 76
2026
Q1 		$27.7M Sell
486,400
-636,938
-57% -$37M 0.29% 58
2025
Q4 		$56.8M Hold
1,123,338
– – 0.68% 40
2025
Q3 		$56.2M Buy
1,123,338
+89,167
+9% +$4.09M 0.63% 38
2025
Q2 		$41.4M Buy
1,034,171
+918,219
+792% +$34.2M 0.63% 40
2025
Q1 		$4.06M Buy
+115,952
New +$4.57M 0.07% 58

Other funds holding PRLB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
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
ACM
American Capital Management New York $2.23B AUM 28.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Prudential Financial
Prudential Financial Newark, New Jersey $91.8B AUM 38.24% 1-Year Est. Return

Rubric Capital Management (New York)'s PRLB Position: Q2 2026 in Review

Rubric Capital Management (New York) reduced its Protolabs (PRLB) stake by 78% in Q2 2026, selling an estimated $26.6M and leaving 108,692 shares worth $8.86M. The position accounts for 0.08% of the portfolio, ranked #76.

Rubric Capital Management (New York) first reported a position in PRLB in Q1 2025 and has held it in 6 quarters since. The position peaked at $56.8M in Q4 2025. 277 funds tracked by Wall St. Rank hold PRLB as of Q2 2026.

  • Rubric Capital Management (New York) held 108,692 shares of Protolabs worth $8.86M as of Q2 2026.
  • Rubric Capital Management (New York) sold 377,708 Protolabs shares in Q2 2026, an estimated $26.6M.
  • Protolabs made up 0.08% of Rubric Capital Management (New York)'s portfolio in Q2 2026, its #76 holding.
  • Rubric Capital Management (New York) first reported a position in Protolabs in Q1 2025 and has held it in 6 quarters since.
  • Rubric Capital Management (New York)'s Protolabs position peaked at $56.8M in Q4 2025.
  • 277 funds tracked by Wall St. Rank held Protolabs as of Q2 2026.

Based on Rubric Capital Management (New York)'s 13F filing for Q2 2026, filed 14 Aug 2026.