Marshall Wace
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Marshall Wace’s Protolabs PRLB Stock Holding History

Marshall Wace’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 		$3.9M Buy
+68,355
New +$3.97M ﹤0.01% 1422
2024
Q3 		– Sell
-42,800
Closed -$1.32M – 2867
2024
Q2 		$1.32M Buy
42,800
+19,232
+82% +$610K ﹤0.01% 1557
2024
Q1 		$843K Sell
23,568
-40,017
-63% -$1.44M ﹤0.01% 1726
2023
Q4 		$2.48M Buy
+63,585
New +$2.06M ﹤0.01% 1132
2023
Q1 		– Sell
-51,328
Closed -$1.31M – 3015
2022
Q4 		$1.31M Buy
51,328
+25,793
+101% +$766K ﹤0.01% 1956
2022
Q3 		$930K Buy
25,535
+17,442
+216% +$756K ﹤0.01% 2445
2022
Q2 		$388K Sell
8,093
-48,366
-86% -$2.24M ﹤0.01% 2921
2022
Q1 		$2.99M Sell
56,459
-163,418
-74% -$8.6M 0.01% 1781
2021
Q4 		$11.3M Buy
219,877
+140,297
+176% +$8.28M 0.02% 778
2021
Q3 		$5.3M Buy
+79,580
New +$6.22M 0.02% 903
2021
Q2 		– Sell
-4,812
Closed -$586K – 2995
2021
Q1 		$586K Buy
+4,812
New +$800K ﹤0.01% 1883
2020
Q1 		– Sell
-35,415
Closed -$3.6M – 1977
2019
Q4 		$3.6M Buy
+35,415
New +$3.51M 0.02% 638
2019
Q3 		– Sell
-3,057
Closed -$355K – 1883
2019
Q2 		$355K Buy
+3,057
New +$329K ﹤0.01% 1146

Other funds holding PRLB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 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

Marshall Wace's PRLB Position: Q1 2026 in Review

Marshall Wace opened a new position in Protolabs (PRLB) in Q1 2026: 68,355 shares worth $3.9M. The stake represents ﹤0.01% of the portfolio and ranks #1422 among its holdings. This is a return to the name: Marshall Wace previously reported a position in PRLB as recently as Q2 2024.

Marshall Wace first reported a position in PRLB in Q2 2019 and has held it in 13 quarters since. The position peaked at $11.3M in Q4 2021. 262 funds tracked by Wall St. Rank hold PRLB as of Q1 2026.

  • Marshall Wace held 68,355 shares of Protolabs worth $3.9M as of Q1 2026.
  • Protolabs was a new Marshall Wace position in Q1 2026.
  • Protolabs made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #1422 holding.
  • Marshall Wace first reported a position in Protolabs in Q2 2019 and has held it in 13 quarters since.
  • Marshall Wace's Protolabs position peaked at $11.3M in Q4 2021.
  • 262 funds tracked by Wall St. Rank held Protolabs as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.