Marshall Wace’s Charles River Laboratories CRL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$77.8M Buy
342,995
+193,344
+129% +$34.4M 0.06% 258
2026
Q1
$25.8M Buy
149,651
+25,458
+20% +$4.72M 0.03% 605
2025
Q4
$24.8M Sell
124,193
-13,917
-10% -$2.52M 0.02% 559
2025
Q3
$21.6M Buy
138,110
+124,038
+881% +$19.7M 0.02% 622
2025
Q2
$2.14M Sell
14,072
-23,862
-63% -$3.18M ﹤0.01% 1527
2025
Q1
$5.71M Buy
37,934
+16,326
+76% +$2.74M 0.01% 998
2024
Q4
$3.99M Sell
21,608
-287,451
-93% -$55.4M ﹤0.01% 1160
2024
Q3
$60.9M Sell
309,059
-516,846
-63% -$107M 0.07% 234
2024
Q2
$171M Buy
825,905
+163,056
+25% +$36.9M 0.23% 73
2024
Q1
$180M Buy
+662,849
New +$158M 0.27% 64
2023
Q4
Sell
-121,479
Closed -$23.8M 2231
2023
Q3
$23.8M Sell
121,479
-305,047
-72% -$62.6M 0.05% 384
2023
Q2
$89.7M Sell
426,526
-528,388
-55% -$105M 0.18% 122
2023
Q1
$193M Buy
954,914
+80,141
+9% +$18.2M 0.41% 40
2022
Q4
$191M Buy
874,773
+319,095
+57% +$69.7M 0.43% 38
2022
Q3
$109M Buy
555,678
+215,372
+63% +$46.5M 0.24% 78
2022
Q2
$72.8M Buy
340,306
+167,447
+97% +$40.9M 0.15% 138
2022
Q1
$49.1M Sell
172,859
-281,936
-62% -$86.9M 0.09% 233
2021
Q4
$171M Buy
454,795
+152,258
+50% +$59.2M 0.32% 47
2021
Q3
$125M Buy
302,537
+19,810
+7% +$8.23M 0.52% 19
2021
Q2
$105M Sell
282,727
-634,329
-69% -$212M 0.47% 31
2021
Q1
$266M Buy
917,056
+64,142
+8% +$17.8M 1.22% 6
2020
Q4
$213M Buy
852,914
+39,637
+5% +$9.44M 1.15% 14
2020
Q3
$184M Buy
813,277
+721,829
+789% +$150M 1.18% 12
2020
Q2
$15.9M Buy
+91,448
New +$14.6M 0.11% 194
2020
Q1
Sell
-201,547
Closed -$30.8M 1681
2019
Q4
$30.8M Buy
201,547
+80,303
+66% +$11.1M 0.21% 113
2019
Q3
$16M Buy
121,244
+51,461
+74% +$6.9M 0.13% 190
2019
Q2
$9.9M Buy
69,783
+62,299
+832% +$8.45M 0.08% 281
2019
Q1
$1.09M Buy
7,484
+3,414
+84% +$449K 0.01% 901
2018
Q4
$461K Sell
4,070
-43,432
-91% -$5.44M ﹤0.01% 1130
2018
Q3
$6.39M Buy
+47,502
New +$5.86M 0.05% 407
2017
Q1
Sell
-469,045
Closed -$35.7M 393
2016
Q4
$35.7M Buy
469,045
+428,573
+1,059% +$32.5M 0.24% 118
2016
Q3
$3.37M Sell
40,472
-67,696
-63% -$5.67M 0.02% 488
2016
Q2
$8.92M Buy
108,168
+51,604
+91% +$4.25M 0.08% 270
2016
Q1
$4.29M Buy
56,564
+41,926
+286% +$3.1M 0.04% 378
2015
Q4
$1.18M Sell
14,638
-18,833
-56% -$1.36M 0.01% 676
2015
Q3
$2.13M Sell
33,471
-165,356
-83% -$11.9M 0.03% 443
2015
Q2
$14M Buy
+198,827
New +$14.7M 0.18% 136

Other funds holding CRL

Marshall Wace's CRL Position: Q2 2026 in Review

Marshall Wace increased its Charles River Laboratories (CRL) stake by 129% in Q2 2026, buying an estimated $34.4M and bringing the position to 342,995 shares worth $77.8M. The position accounts for 0.06% of the portfolio, ranked #258.

Marshall Wace first reported a position in CRL in Q2 2015 and has held it in 37 quarters since. The position peaked at $266M in Q1 2021. 568 funds tracked by Wall St. Rank hold CRL as of Q2 2026.

  • Marshall Wace held 342,995 shares of Charles River Laboratories worth $77.8M as of Q2 2026.
  • Marshall Wace bought 193,344 Charles River Laboratories shares in Q2 2026, an estimated $34.4M.
  • Charles River Laboratories made up 0.06% of Marshall Wace's portfolio in Q2 2026, its #258 holding.
  • Marshall Wace first reported a position in Charles River Laboratories in Q2 2015 and has held it in 37 quarters since.
  • Marshall Wace's Charles River Laboratories position peaked at $266M in Q1 2021.
  • 568 funds tracked by Wall St. Rank held Charles River Laboratories as of Q2 2026.

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