Marshall Wace’s Waters Corp WAT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$67.6M Sell
226,886
-354,177
-61% -$121M 0.07% 266
2025
Q4
$221M Buy
581,063
+547,109
+1,611% +$201M 0.2% 75
2025
Q3
$10.2M Sell
33,954
-254,057
-88% -$76.7M 0.01% 914
2025
Q2
$101M Sell
288,011
-62,248
-18% -$21.4M 0.11% 169
2025
Q1
$129M Buy
350,259
+47,183
+16% +$18.3M 0.16% 105
2024
Q4
$112M Buy
303,076
+246,738
+438% +$90.3M 0.14% 130
2024
Q3
$20.3M Buy
56,338
+24,299
+76% +$7.91M 0.02% 507
2024
Q2
$9.3M Buy
+32,039
New +$10.2M 0.01% 763
2023
Q2
Sell
-23,426
Closed -$7.25M 3012
2023
Q1
$7.25M Sell
23,426
-15,990
-41% -$5.17M 0.02% 830
2022
Q4
$13.5M Sell
39,416
-10,432
-21% -$3.3M 0.03% 645
2022
Q3
$13.4M Buy
49,848
+39,473
+380% +$12.6M 0.03% 666
2022
Q2
$3.43M Buy
10,375
+5,812
+127% +$1.84M 0.01% 1630
2022
Q1
$1.42M Sell
4,563
-2,528
-36% -$823K ﹤0.01% 2274
2021
Q4
$2.64M Buy
7,091
+4,208
+146% +$1.47M ﹤0.01% 1857
2021
Q3
$1.03M Sell
2,883
-2,207
-43% -$865K ﹤0.01% 1998
2021
Q2
$1.76M Buy
5,090
+2,928
+135% +$927K 0.01% 1492
2021
Q1
$615K Sell
2,162
-40,917
-95% -$11.2M ﹤0.01% 1864
2020
Q4
$10.7M Sell
43,079
-117,792
-73% -$26.7M 0.06% 330
2020
Q3
$31.5M Buy
160,871
+153,219
+2,002% +$31.8M 0.2% 114
2020
Q2
$1.38M Buy
7,652
+7,470
+4,104% +$1.41M 0.01% 913
2020
Q1
$33K Buy
+182
New +$38.4K ﹤0.01% 1479
2019
Q2
Sell
-229
Closed -$57K 1884
2019
Q1
$57K Sell
229
-45,871
-100% -$10.5M ﹤0.01% 1515
2018
Q4
$8.7M Buy
46,100
+19,757
+75% +$3.75M 0.09% 283
2018
Q3
$5.13M Buy
26,343
+25,111
+2,038% +$4.86M 0.04% 453
2018
Q2
$239K Buy
+1,232
New +$243K ﹤0.01% 651
2017
Q1
Sell
-227,465
Closed -$30.6M 767
2016
Q4
$30.6M Buy
227,465
+98,031
+76% +$14M 0.2% 132
2016
Q3
$20.5M Buy
129,434
+56,939
+79% +$8.81M 0.15% 168
2016
Q2
$10.2M Buy
72,495
+23,443
+48% +$3.17M 0.09% 248
2016
Q1
$6.47M Sell
49,052
-6,990
-12% -$872K 0.06% 285
2015
Q4
$7.54M Buy
+56,042
New +$7.2M 0.07% 286
2015
Q3
Sell
-43,803
Closed -$5.62M 1077
2015
Q2
$5.62M Buy
+43,803
New +$5.68M 0.07% 282
2014
Q4
Sell
-1,937
Closed -$192K 992
2014
Q3
$192K Sell
1,937
-118,322
-98% -$12.2M ﹤0.01% 784
2014
Q2
$12.6M Buy
120,259
+117,159
+3,779% +$12.3M 0.18% 155
2014
Q1
$336K Buy
+3,100
New +$336K 0.01% 684

Other funds holding WAT

Marshall Wace's WAT Position: Q1 2026 in Review

Marshall Wace reduced its Waters Corp (WAT) stake by 61% in Q1 2026, selling an estimated $121M and leaving 226,886 shares worth $67.6M. The position accounts for 0.07% of the portfolio, ranked #266.

Marshall Wace first reported a position in WAT in Q1 2014 and has held it in 34 quarters since. The position peaked at $221M in Q4 2025. 1,170 funds tracked by Wall St. Rank hold WAT as of Q1 2026.

  • Marshall Wace held 226,886 shares of Waters Corp worth $67.6M as of Q1 2026.
  • Marshall Wace sold 354,177 Waters Corp shares in Q1 2026, an estimated $121M.
  • Waters Corp made up 0.07% of Marshall Wace's portfolio in Q1 2026, its #266 holding.
  • Marshall Wace first reported a position in Waters Corp in Q1 2014 and has held it in 34 quarters since.
  • Marshall Wace's Waters Corp position peaked at $221M in Q4 2025.
  • 1,170 funds tracked by Wall St. Rank held Waters Corp as of Q1 2026.

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