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Cornerstone Investment Partners’s Protolabs PRLB Stock Holding History

Cornerstone Investment Partners’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 		$407K Sell
4,997
-238
-5% -$16.7K 0.01% 125
2026
Q1 		$299K Buy
5,235
+1,190
+29% +$69.1K 0.01% 134
2025
Q4 		$205K Buy
4,045
+2
+0% +$102 0.01% 171
2025
Q3 		$202K Buy
+4,043
New +$185K 0.01% 162

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

Cornerstone Investment Partners's PRLB Position: Q2 2026 in Review

Cornerstone Investment Partners reduced its Protolabs (PRLB) stake by 4.5% in Q2 2026, selling an estimated $16.7K and leaving 4,997 shares worth $407K. The position accounts for 0.01% of the portfolio, ranked #125.

Cornerstone Investment Partners first reported a position in PRLB in Q3 2025 and has held it in 4 quarters since. 277 funds tracked by Wall St. Rank hold PRLB as of Q2 2026.

  • Cornerstone Investment Partners held 4,997 shares of Protolabs worth $407K as of Q2 2026.
  • Cornerstone Investment Partners sold 238 Protolabs shares in Q2 2026, an estimated $16.7K.
  • Protolabs made up 0.01% of Cornerstone Investment Partners's portfolio in Q2 2026, its #125 holding.
  • Cornerstone Investment Partners first reported a position in Protolabs in Q3 2025 and has held it in 4 quarters since.
  • 277 funds tracked by Wall St. Rank held Protolabs as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.