Marshall Wace’s HEICO Corp HEI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$65.5M Buy
239,052
+9,644
+4% +$3.1M 0.07% 274
2025
Q4
$74.2M Buy
229,408
+24,816
+12% +$7.84M 0.07% 246
2025
Q3
$66M Sell
204,592
-242,782
-54% -$77.3M 0.07% 253
2025
Q2
$147M Buy
447,374
+51,056
+13% +$14.1M 0.17% 105
2025
Q1
$106M Buy
396,318
+370,513
+1,436% +$90.2M 0.13% 129
2024
Q4
$6.13M Buy
+25,805
New +$6.69M 0.01% 975
2024
Q3
Sell
-9,108
Closed -$2.04M 2688
2024
Q2
$2.04M Buy
+9,108
New +$1.92M ﹤0.01% 1364
2024
Q1
Sell
-11,299
Closed -$2.02M 2592
2023
Q4
$2.02M Buy
+11,299
New +$1.91M ﹤0.01% 1216
2023
Q3
Sell
-110,429
Closed -$19.5M 2405
2023
Q2
$19.5M Sell
110,429
-56,483
-34% -$9.52M 0.04% 484
2023
Q1
$28.5M Sell
166,912
-127,953
-43% -$21.5M 0.06% 342
2022
Q4
$45.3M Buy
294,865
+174,284
+145% +$27.1M 0.1% 218
2022
Q3
$17.4M Sell
120,581
-65,648
-35% -$9.84M 0.04% 528
2022
Q2
$24.4M Buy
186,229
+181,332
+3,703% +$25.6M 0.05% 380
2022
Q1
$751K Sell
4,897
-95,294
-95% -$13.8M ﹤0.01% 2581
2021
Q4
$14.4M Buy
100,191
+71,189
+245% +$10M 0.03% 633
2021
Q3
$3.82M Sell
29,002
-619
-2% -$81.5K 0.02% 1111
2021
Q2
$4.13M Buy
29,621
+11,255
+61% +$1.55M 0.02% 955
2021
Q1
$2.31M Buy
18,366
+6,384
+53% +$820K 0.01% 1251
2020
Q4
$1.59M Sell
11,982
-18,622
-61% -$2.27M 0.01% 1044
2020
Q3
$3.2M Buy
30,604
+25,181
+464% +$2.6M 0.02% 672
2020
Q2
$540K Sell
5,423
-66,597
-92% -$6.15M ﹤0.01% 1176
2020
Q1
$5.37M Sell
72,020
-132,929
-65% -$14.5M 0.05% 360
2019
Q4
$23.4M Buy
204,949
+125,944
+159% +$15.5M 0.16% 149
2019
Q3
$9.87M Buy
79,005
+65,425
+482% +$8.94M 0.08% 299
2019
Q2
$1.82M Sell
13,580
-67,891
-83% -$7.55M 0.01% 792
2019
Q1
$7.73M Sell
81,471
-128,937
-61% -$11.2M 0.07% 328
2018
Q4
$16.3M Buy
210,408
+170,047
+421% +$14.2M 0.17% 143
2018
Q3
$3.74M Buy
40,361
+26,233
+186% +$2.16M 0.03% 531
2018
Q2
$1.03M Sell
14,128
-4,152
-23% -$302K 0.02% 505
2018
Q1
$1.27M Buy
+18,280
New +$1.2M 0.05% 245
2017
Q1
Sell
-49,055
Closed -$1.55M 491
2016
Q4
$1.55M Buy
49,055
+26,147
+114% +$785K 0.01% 689
2016
Q3
$649K Buy
+22,908
New +$647K ﹤0.01% 771
2016
Q1
Sell
-180,251
Closed -$4.01M 1090
2015
Q4
$4.01M Buy
+180,251
New +$3.75M 0.04% 426
2014
Q3
Sell
-104,407
Closed -$2.22M 941
2014
Q2
$2.22M Buy
+104,407
New +$2.35M 0.03% 382

Other funds holding HEI

Marshall Wace's HEI Position: Q1 2026 in Review

Marshall Wace increased its HEICO Corp (HEI) stake by 4.2% in Q1 2026, buying an estimated $3.1M and bringing the position to 239,052 shares worth $65.5M. The position accounts for 0.07% of the portfolio, ranked #274.

Marshall Wace first reported a position in HEI in Q2 2014 and has held it in 34 quarters since. The position peaked at $147M in Q2 2025. 736 funds tracked by Wall St. Rank hold HEI as of Q1 2026.

  • Marshall Wace held 239,052 shares of HEICO Corp worth $65.5M as of Q1 2026.
  • Marshall Wace bought 9,644 HEICO Corp shares in Q1 2026, an estimated $3.1M.
  • HEICO Corp made up 0.07% of Marshall Wace's portfolio in Q1 2026, its #274 holding.
  • Marshall Wace first reported a position in HEICO Corp in Q2 2014 and has held it in 34 quarters since.
  • Marshall Wace's HEICO Corp position peaked at $147M in Q2 2025.
  • 736 funds tracked by Wall St. Rank held HEICO Corp as of Q1 2026.

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