Marshall Wace’s Pentair PNR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $13M | Buy |
149,499
+99,066
| +196% | +$9.71M | 0.01% | 855 |
|
|
2025
Q4 | $5.25M | Buy |
+50,433
| New | +$5.39M | ﹤0.01% | 1139 |
|
|
2025
Q3 | – | Sell |
-101,100
| Closed | -$10.4M | – | 3294 |
|
|
2025
Q2 | $10.4M | Buy |
101,100
+57,195
| +130% | +$5.34M | 0.01% | 825 |
|
|
2025
Q1 | $3.84M | Buy |
43,905
+38,405
| +698% | +$3.66M | ﹤0.01% | 1185 |
|
|
2024
Q4 | $554K | Sell |
5,500
-17,531
| -76% | -$1.8M | ﹤0.01% | 1995 |
|
|
2024
Q3 | $2.25M | Buy |
23,031
+16,739
| +266% | +$1.43M | ﹤0.01% | 1321 |
|
|
2024
Q2 | $482K | Sell |
6,292
-62,672
| -91% | -$5.05M | ﹤0.01% | 1973 |
|
|
2024
Q1 | $5.89M | Buy |
68,964
+52,783
| +326% | +$4M | 0.01% | 939 |
|
|
2023
Q4 | $1.18M | Buy |
+16,181
| New | +$1.04M | ﹤0.01% | 1420 |
|
|
2023
Q1 | – | Sell |
-4,700
| Closed | -$211K | – | 3008 |
|
|
2022
Q4 | $211K | Buy |
+4,700
| New | +$204K | ﹤0.01% | 2689 |
|
|
2022
Q2 | – | Sell |
-357,357
| Closed | -$19.4M | – | 3753 |
|
|
2022
Q1 | $19.4M | Buy |
357,357
+15,569
| +5% | +$942K | 0.04% | 510 |
|
|
2021
Q4 | $25M | Buy |
341,788
+333,182
| +3,872% | +$24.6M | 0.05% | 416 |
|
|
2021
Q3 | $625K | Buy |
+8,606
| New | +$642K | ﹤0.01% | 2285 |
|
|
2020
Q4 | – | Sell |
-174,031
| Closed | -$7.97M | – | 2110 |
|
|
2020
Q3 | $7.97M | Buy |
174,031
+159,075
| +1,064% | +$6.93M | 0.05% | 366 |
|
|
2020
Q2 | $568K | Sell |
14,956
-372,619
| -96% | -$13.1M | ﹤0.01% | 1162 |
|
|
2020
Q1 | $11.5M | Buy |
387,575
+316,607
| +446% | +$12.7M | 0.12% | 188 |
|
|
2019
Q4 | $3.25M | Sell |
70,968
-146,662
| -67% | -$6.2M | 0.02% | 666 |
|
|
2019
Q3 | $8.23M | Sell |
217,630
-470,345
| -68% | -$17.5M | 0.06% | 348 |
|
|
2019
Q2 | $25.6M | Buy |
687,975
+208,175
| +43% | +$7.9M | 0.21% | 98 |
|
|
2019
Q1 | $21.4M | Buy |
479,800
+428,977
| +844% | +$17.9M | 0.2% | 110 |
|
|
2018
Q4 | $1.92M | Sell |
50,823
-49,534
| -49% | -$2M | 0.02% | 732 |
|
|
2018
Q3 | $4.35M | Buy |
+100,357
| New | +$4.35M | 0.04% | 482 |
|
|
2018
Q1 | – | Sell |
-6,266
| Closed | -$297K | – | 632 |
|
|
2017
Q4 | $297K | Sell |
6,266
-68,826
| -92% | -$3.22M | 0.01% | 349 |
|
|
2017
Q3 | $3.43M | Buy |
75,092
+66,137
| +739% | +$2.84M | 0.16% | 121 |
|
|
2017
Q2 | $403K | Buy |
+8,955
| New | +$391K | 0.02% | 259 |
|
|
2017
Q1 | – | Sell |
-35,373
| Closed | -$1.33M | – | 649 |
|
|
2016
Q4 | $1.33M | Sell |
35,373
-216,951
| -86% | -$8.46M | 0.01% | 721 |
|
|
2016
Q3 | $10.9M | Buy |
252,324
+201,300
| +395% | +$8.48M | 0.08% | 265 |
|
|
2016
Q2 | $2M | Buy |
+51,024
| New | +$1.98M | 0.02% | 588 |
|
|
2016
Q1 | – | Sell |
-87,351
| Closed | -$2.91M | – | 1155 |
|
|
2015
Q4 | $2.91M | Sell |
87,351
-82,883
| -49% | -$3.03M | 0.03% | 488 |
|
|
2015
Q3 | $5.83M | Sell |
170,234
-25,208
| -13% | -$990K | 0.07% | 266 |
|
|
2015
Q2 | $9.02M | Buy |
+195,442
| New | +$8.28M | 0.12% | 193 |
|
|
2015
Q1 | – | Sell |
-23,182
| Closed | -$1.03M | – | 910 |
|
|
2014
Q4 | $1.03M | Buy |
+23,182
| New | +$1.02M | 0.01% | 560 |
|
Other funds holding PNR
VCM
VPM
Marshall Wace's PNR Position: Q1 2026 in Review
Marshall Wace increased its Pentair (PNR) stake by 196% in Q1 2026, buying an estimated $9.71M and bringing the position to 149,499 shares worth $13M. The position accounts for 0.01% of the portfolio, ranked #855.
Marshall Wace first reported a position in PNR in Q4 2014 and has held it in 32 quarters since. The position peaked at $25.6M in Q2 2019. 736 funds tracked by Wall St. Rank hold PNR as of Q1 2026.
- Marshall Wace held 149,499 shares of Pentair worth $13M as of Q1 2026.
- Marshall Wace bought 99,066 Pentair shares in Q1 2026, an estimated $9.71M.
- Pentair made up 0.01% of Marshall Wace's portfolio in Q1 2026, its #855 holding.
- Marshall Wace first reported a position in Pentair in Q4 2014 and has held it in 32 quarters since.
- Marshall Wace's Pentair position peaked at $25.6M in Q2 2019.
- 736 funds tracked by Wall St. Rank held Pentair as of Q1 2026.
Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.