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
Q2 		$1.38M Sell
16,921
-51,434
-75% -$3.62M ﹤0.01% 2044
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 $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

Marshall Wace's PRLB Position: Q2 2026 in Review

Marshall Wace reduced its Protolabs (PRLB) stake by 75% in Q2 2026, selling an estimated $3.62M and leaving 16,921 shares worth $1.38M. The position accounts for ﹤0.01% of the portfolio, ranked #2044.

Marshall Wace first reported a position in PRLB in Q2 2019 and has held it in 14 quarters since. The position peaked at $11.3M in Q4 2021. 278 funds tracked by Wall St. Rank hold PRLB as of Q2 2026.

  • Marshall Wace held 16,921 shares of Protolabs worth $1.38M as of Q2 2026.
  • Marshall Wace sold 51,434 Protolabs shares in Q2 2026, an estimated $3.62M.
  • Protolabs made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2044 holding.
  • Marshall Wace first reported a position in Protolabs in Q2 2019 and has held it in 14 quarters since.
  • Marshall Wace's Protolabs position peaked at $11.3M in Q4 2021.
  • 278 funds tracked by Wall St. Rank held Protolabs as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.