Marshall Wace’s Palo Alto Networks PANW Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$92.2M Sell
575,068
-1,368,041
-70% -$230M 0.09% 186
2025
Q4
$358M Buy
1,943,109
+229,141
+13% +$46.2M 0.33% 43
2025
Q3
$349M Buy
1,713,968
+1,705,568
+20,304% +$326M 0.35% 32
2025
Q2
$1.72M Sell
8,400
-165,155
-95% -$30.7M ﹤0.01% 1630
2025
Q1
$29.6M Buy
173,555
+73,555
+74% +$13.6M 0.04% 407
2024
Q4
$18.2M Sell
100,000
-275,926
-73% -$52.1M 0.02% 579
2024
Q3
$64.2M Buy
375,926
+372,932
+12,456% +$62.8M 0.08% 228
2024
Q2
$507K Sell
2,994
-715,006
-100% -$107M ﹤0.01% 1957
2024
Q1
$102M Sell
718,000
-1,962
-0.3% -$309K 0.16% 123
2023
Q4
$106M Sell
719,962
-1,069,500
-60% -$143M 0.18% 108
2023
Q3
$210M Buy
1,789,462
+1,773,062
+10,811% +$210M 0.42% 36
2023
Q2
$2.1M Buy
+16,400
New +$1.71M ﹤0.01% 1387
2023
Q1
Sell
-43,870
Closed -$3.72M 2992
2022
Q4
$3.06M Sell
43,870
-329,012
-88% -$26.4M 0.01% 1492
2022
Q3
$30.5M Sell
372,882
-40,194
-10% -$3.48M 0.07% 325
2022
Q2
$34M Sell
413,076
-1,567,950
-79% -$139M 0.07% 292
2022
Q1
$206M Buy
1,981,026
+227,664
+13% +$20.4M 0.39% 39
2021
Q4
$163M Buy
1,753,362
+1,418,766
+424% +$123M 0.3% 52
2021
Q3
$26.7M Buy
334,596
+321,420
+2,439% +$22.6M 0.11% 195
2021
Q2
$815K Sell
13,176
-156,588
-92% -$9.28M ﹤0.01% 1908
2021
Q1
$9.11M Buy
169,764
+123,414
+266% +$7.34M 0.04% 506
2020
Q4
$2.75M Buy
46,350
+32,448
+233% +$1.52M 0.01% 808
2020
Q3
$567K Sell
13,902
-70,368
-84% -$2.93M ﹤0.01% 1199
2020
Q2
$3.23M Buy
+84,270
New +$2.97M 0.02% 611
2019
Q2
Sell
-34,386
Closed -$1.39M 1717
2019
Q1
$1.39M Buy
34,386
+13,128
+62% +$487K 0.01% 844
2018
Q4
$668K Sell
21,258
-39,240
-65% -$1.22M 0.01% 1021
2018
Q3
$2.27M Sell
60,498
-92,772
-61% -$3.38M 0.02% 652
2018
Q2
$5.25M Buy
153,270
+19,050
+14% +$635K 0.08% 289
2018
Q1
$4.06M Buy
134,220
+50,514
+60% +$1.4M 0.17% 122
2017
Q4
$2.02M Buy
83,706
+6,768
+9% +$165K 0.09% 183
2017
Q3
$1.85M Buy
76,938
+21,258
+38% +$484K 0.09% 166
2017
Q2
$1.24M Buy
+55,680
New +$1.12M 0.05% 175
2017
Q1
Sell
-437,076
Closed -$9.11M 630
2016
Q4
$9.11M Buy
+437,076
New +$10.5M 0.06% 355
2015
Q4
Sell
-47,070
Closed -$1.35M 1083
2015
Q3
$1.35M Buy
+47,070
New +$1.39M 0.02% 566
2015
Q2
Sell
-184,680
Closed -$4.5M 1005
2015
Q1
$4.5M Buy
184,680
+140,766
+321% +$3.15M 0.06% 340
2014
Q4
$897K Sell
43,914
-906,318
-95% -$16.7M 0.01% 580
2014
Q3
$15.5M Buy
950,232
+734,046
+340% +$10.5M 0.22% 130
2014
Q2
$3.02M Sell
216,186
-336,564
-61% -$3.93M 0.04% 334
2014
Q1
$6.32M Buy
+552,750
New +$6.27M 0.11% 211

Other funds holding PANW

Marshall Wace's PANW Position: Q1 2026 in Review

Marshall Wace reduced its Palo Alto Networks (PANW) stake by 70% in Q1 2026, selling an estimated $230M and leaving 575,068 shares worth $92.2M. The position accounts for 0.09% of the portfolio, ranked #186.

Marshall Wace first reported a position in PANW in Q1 2014 and has held it in 38 quarters since. The position peaked at $358M in Q4 2025. 2,459 funds tracked by Wall St. Rank hold PANW as of Q1 2026.

  • Marshall Wace held 575,068 shares of Palo Alto Networks worth $92.2M as of Q1 2026.
  • Marshall Wace sold 1,368,041 Palo Alto Networks shares in Q1 2026, an estimated $230M.
  • Palo Alto Networks made up 0.09% of Marshall Wace's portfolio in Q1 2026, its #186 holding.
  • Marshall Wace first reported a position in Palo Alto Networks in Q1 2014 and has held it in 38 quarters since.
  • Marshall Wace's Palo Alto Networks position peaked at $358M in Q4 2025.
  • 2,459 funds tracked by Wall St. Rank held Palo Alto Networks as of Q1 2026.

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