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John Overdeck’s Protolabs PRLB Stock Holding History

John Overdeck’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
2022
Q1 		– Sell
-27,600
Closed -$1.42M – 3978
2021
Q4 		$1.42M Sell
27,600
-1,200
-4% -$70.8K ﹤0.01% 2244
2021
Q3 		$1.92M Sell
28,800
-24,500
-46% -$1.91M ﹤0.01% 2033
2021
Q2 		$4.89M Buy
53,300
+48,300
+966% +$4.76M 0.01% 1221
2021
Q1 		$609K Buy
+5,000
New +$831K ﹤0.01% 2742
2017
Q3 		– Sell
-3,000
Closed -$202K – 3107
2017
Q2 		$202K Buy
+3,000
New +$181K ﹤0.01% 2810

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

John Overdeck's PRLB Position: Q2 2026 in Review

John Overdeck increased its Protolabs (PRLB) stake by 4.4% in Q2 2026, buying an estimated $37.6K and bringing the position to 12,734 shares worth $1.04M. The position accounts for ﹤0.01% of the portfolio, ranked #3588.

John Overdeck first reported a position in PRLB in Q2 2017 and has held it in 23 quarters since. The position peaked at $37.7M in Q2 2021. 276 funds tracked by Wall St. Rank hold PRLB as of Q2 2026.

  • John Overdeck held 12,734 shares of Protolabs worth $1.04M as of Q2 2026.
  • John Overdeck bought 534 Protolabs shares in Q2 2026, an estimated $37.6K.
  • Protolabs made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3588 holding.
  • John Overdeck first reported a position in Protolabs in Q2 2017 and has held it in 23 quarters since.
  • John Overdeck's Protolabs position peaked at $37.7M in Q2 2021.
  • 276 funds tracked by Wall St. Rank held Protolabs as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.