Marshall Wace’s Integra LifeSciences IART Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.63M Buy
+173,483
New +$1.9M ﹤0.01% 1892
2025
Q3
Sell
-39,988
Closed -$491K 3099
2025
Q2
$491K Buy
+39,988
New +$581K ﹤0.01% 2154
2024
Q2
Sell
-26,709
Closed -$947K 2716
2024
Q1
$947K Buy
26,709
+15,322
+135% +$613K ﹤0.01% 1680
2023
Q4
$496K Sell
11,387
-25,583
-69% -$1.01M ﹤0.01% 1718
2023
Q3
$1.41M Sell
36,970
-333,318
-90% -$14M ﹤0.01% 1375
2023
Q2
$15.2M Buy
+370,288
New +$17.8M 0.03% 583
2022
Q1
Sell
-4,063
Closed -$272K 3628
2021
Q4
$272K Buy
+4,063
New +$275K ﹤0.01% 3060
2021
Q3
Sell
-28,856
Closed -$1.97M 3200
2021
Q2
$1.97M Buy
+28,856
New +$2.04M 0.01% 1433
2020
Q4
Sell
-12,603
Closed -$595K 2007
2020
Q3
$595K Buy
+12,603
New +$600K ﹤0.01% 1186
2020
Q2
Sell
-10,887
Closed -$486K 1733
2020
Q1
$486K Buy
+10,887
New +$571K ﹤0.01% 980
2019
Q4
Sell
-392,910
Closed -$23.6M 1874
2019
Q3
$23.6M Sell
392,910
-9,406
-2% -$560K 0.19% 125
2019
Q2
$22.5M Buy
402,316
+211,100
+110% +$10.9M 0.18% 111
2019
Q1
$10.7M Buy
191,216
+47,790
+33% +$2.43M 0.1% 241
2018
Q4
$6.47M Buy
+143,426
New +$7.87M 0.07% 376
2015
Q4
Sell
-18,590
Closed -$554K 1041
2015
Q3
$554K Sell
18,590
-5,500
-23% -$172K 0.01% 723
2015
Q2
$663K Buy
+24,090
New +$642K 0.01% 671

Other funds holding IART

Marshall Wace's IART Position: Q1 2026 in Review

Marshall Wace opened a new position in Integra LifeSciences (IART) in Q1 2026: 173,483 shares worth $1.63M. The stake represents ﹤0.01% of the portfolio and ranks #1892 among its holdings. This is a return to the name: Marshall Wace previously reported a position in IART as recently as Q2 2025.

Marshall Wace first reported a position in IART in Q2 2015 and has held it in 16 quarters since. The position peaked at $23.6M in Q3 2019. 201 funds tracked by Wall St. Rank hold IART as of Q1 2026.

  • Marshall Wace held 173,483 shares of Integra LifeSciences worth $1.63M as of Q1 2026.
  • Integra LifeSciences was a new Marshall Wace position in Q1 2026.
  • Integra LifeSciences made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #1892 holding.
  • Marshall Wace first reported a position in Integra LifeSciences in Q2 2015 and has held it in 16 quarters since.
  • Marshall Wace's Integra LifeSciences position peaked at $23.6M in Q3 2019.
  • 201 funds tracked by Wall St. Rank held Integra LifeSciences as of Q1 2026.

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