DGI
PRLB icon

Disciplined Growth Investors’s Protolabs PRLB Stock Holding History

Disciplined Growth Investors’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
Q1 		$142M Sell
2,497,355
-176,374
-7% -$10.2M 2.91% 12
2025
Q4 		$135M Buy
2,673,729
+81,356
+3% +$4.16M 2.59% 14
2025
Q3 		$130M Sell
2,592,373
-129,638
-5% -$5.94M 2.35% 15
2025
Q2 		$109M Buy
2,722,011
+51,293
+2% +$1.91M 2.08% 18
2025
Q1 		$93.6M Buy
2,670,718
+497,019
+23% +$19.6M 1.94% 21
2024
Q4 		$85M Buy
2,173,699
+117,106
+6% +$4.21M 1.62% 25
2024
Q3 		$60.4M Buy
2,056,593
+110,244
+6% +$3.36M 1.14% 29
2024
Q2 		$60.1M Buy
1,946,349
+36,510
+2% +$1.16M 1.13% 26
2024
Q1 		$68.3M Buy
1,909,839
+170,201
+10% +$6.15M 1.25% 24
2023
Q4 		$67.8M Sell
1,739,638
-24,759
-1% -$802K 1.48% 25
2023
Q3 		$46.6M Buy
1,764,397
+18,282
+1% +$552K 1.11% 28
2023
Q2 		$61M Sell
1,746,115
-250,009
-13% -$7.97M 1.38% 26
2023
Q1 		$66.2M Sell
1,996,124
-125,767
-6% -$3.89M 1.7% 23
2022
Q4 		$54.2M Buy
2,121,891
+184,278
+10% +$5.47M 1.39% 25
2022
Q3 		$70.6M Buy
1,937,613
+60,667
+3% +$2.63M 1.96% 22
2022
Q2 		$89.8M Buy
1,876,946
+15,970
+0.9% +$741K 2.42% 16
2022
Q1 		$98.4M Buy
1,860,976
+69,043
+4% +$3.63M 2.14% 20
2021
Q4 		$92M Buy
1,791,933
+609,720
+52% +$36M 1.85% 23
2021
Q3 		$78.7M Buy
1,182,213
+211,295
+22% +$16.5M 1.56% 26
2021
Q2 		$89.1M Buy
970,918
+572,208
+144% +$56.4M 1.7% 24
2021
Q1 		$48.5M Sell
398,710
-222,767
-36% -$37M 0.98% 38
2020
Q4 		$95.3M Sell
621,477
-24,543
-4% -$3.46M 1.84% 22
2020
Q3 		$83.7M Sell
646,020
-18,754
-3% -$2.47M 1.96% 20
2020
Q2 		$74.8M Sell
664,774
-239,354
-26% -$24.6M 1.81% 23
2020
Q1 		$68.8M Sell
904,128
-16,146
-2% -$1.5M 1.57% 25
2019
Q4 		$93.5M Buy
920,274
+20,095
+2% +$1.99M 1.54% 30
2019
Q3 		$91.9M Buy
900,179
+16,508
+2% +$1.68M 1.7% 25
2019
Q2 		$103M Sell
883,671
-36,392
-4% -$3.92M 1.91% 19
2019
Q1 		$96.7M Sell
920,063
-1,403
-0.2% -$157K 1.7% 21
2018
Q4 		$104M Sell
921,466
-17,669
-2% -$2.18M 2.14% 14
2018
Q3 		$152M Buy
939,135
+22,895
+2% +$3.24M 2.54% 11
2018
Q2 		$109M Sell
916,240
-9,910
-1% -$1.21M 2.01% 16
2018
Q1 		$109M Sell
926,150
-22,317
-2% -$2.52M 2.14% 16
2017
Q4 		$97.7M Sell
948,467
-2,298
-0.2% -$206K 1.93% 19
2017
Q3 		$76.3M Sell
950,765
-14,450
-1% -$1.04M 1.6% 27
2017
Q2 		$64.9M Buy
965,215
+215
+0% +$13K 1.35% 32
2017
Q1 		$49.3M Sell
965,000
-5,600
-0.6% -$296K 1.1% 35
2016
Q4 		$49.8M Buy
+970,600
New +$50.9M 1.14% 35

Other funds holding PRLB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
ACM
American Capital Management New York $1.86B AUM 20.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Disciplined Growth Investors's PRLB Position: Q1 2026 in Review

Disciplined Growth Investors reduced its Protolabs (PRLB) stake by 6.6% in Q1 2026, selling an estimated $10.2M and leaving 2,497,355 shares worth $142M. The position accounts for 2.91% of the portfolio, ranked #12.

Disciplined Growth Investors first reported a position in PRLB in Q4 2016 and has held it in 38 quarters since. The position peaked at $152M in Q3 2018. 262 funds tracked by Wall St. Rank hold PRLB as of Q1 2026.

  • Disciplined Growth Investors held 2,497,355 shares of Protolabs worth $142M as of Q1 2026.
  • Disciplined Growth Investors sold 176,374 Protolabs shares in Q1 2026, an estimated $10.2M.
  • Protolabs made up 2.91% of Disciplined Growth Investors's portfolio in Q1 2026, its #12 holding.
  • Disciplined Growth Investors first reported a position in Protolabs in Q4 2016 and has held it in 38 quarters since.
  • Disciplined Growth Investors's Protolabs position peaked at $152M in Q3 2018.
  • 262 funds tracked by Wall St. Rank held Protolabs as of Q1 2026.

Based on Disciplined Growth Investors's 13F filing for Q1 2026, filed 15 May 2026.