Marshall Wace’s Icon ICLR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.59M | Buy |
+14,367
| New | +$1.96M | ﹤0.01% | 1910 |
|
|
2025
Q1 | – | Sell |
-88,739
| Closed | -$18.6M | – | 2834 |
|
|
2024
Q4 | $18.6M | Buy |
+88,739
| New | +$20.7M | 0.02% | 570 |
|
|
2024
Q2 | – | Sell |
-139,768
| Closed | -$47M | – | 2720 |
|
|
2024
Q1 | $47M | Buy |
139,768
+18,346
| +15% | +$5.41M | 0.07% | 271 |
|
|
2023
Q4 | $34.4M | Sell |
121,422
-52,432
| -30% | -$13.6M | 0.06% | 323 |
|
|
2023
Q3 | $42.8M | Sell |
173,854
-169,783
| -49% | -$42.8M | 0.09% | 237 |
|
|
2023
Q2 | $86M | Buy |
343,637
+337,951
| +5,944% | +$71.8M | 0.17% | 132 |
|
|
2023
Q1 | $1.21M | Sell |
5,686
-155,855
| -96% | -$34.7M | ﹤0.01% | 1721 |
|
|
2022
Q4 | $31.4M | Buy |
+161,541
| New | +$32M | 0.07% | 316 |
|
|
2022
Q2 | – | Sell |
-396,331
| Closed | -$96.4M | – | 3623 |
|
|
2022
Q1 | $96.4M | Sell |
396,331
-223,199
| -36% | -$55.9M | 0.18% | 111 |
|
|
2021
Q4 | $192M | Buy |
619,530
+617,927
| +38,548% | +$173M | 0.35% | 39 |
|
|
2021
Q3 | $420K | Sell |
1,603
-55,822
| -97% | -$13.6M | ﹤0.01% | 2479 |
|
|
2021
Q2 | $11.9M | Buy |
57,425
+19,279
| +51% | +$4.16M | 0.05% | 407 |
|
|
2021
Q1 | $7.49M | Buy |
+38,146
| New | +$7.53M | 0.03% | 606 |
|
|
2020
Q4 | – | Sell |
-1,576
| Closed | -$301K | – | 2009 |
|
|
2020
Q3 | $301K | Sell |
1,576
-10,452
| -87% | -$1.92M | ﹤0.01% | 1366 |
|
|
2020
Q2 | $2.03M | Sell |
12,028
-14,511
| -55% | -$2.29M | 0.01% | 787 |
|
|
2020
Q1 | $3.61M | Buy |
26,539
+24,613
| +1,278% | +$3.94M | 0.04% | 465 |
|
|
2019
Q4 | $332K | Sell |
1,926
-5,581
| -74% | -$861K | ﹤0.01% | 1249 |
|
|
2019
Q3 | $1.11M | Sell |
7,507
-66,797
| -90% | -$10.3M | 0.01% | 924 |
|
|
2019
Q2 | $11.4M | Buy |
74,304
+63,233
| +571% | +$8.87M | 0.09% | 246 |
|
|
2019
Q1 | $1.51M | Sell |
11,071
-39,147
| -78% | -$5.34M | 0.01% | 819 |
|
|
2018
Q4 | $6.49M | Buy |
50,218
+26,151
| +109% | +$3.61M | 0.07% | 374 |
|
|
2018
Q3 | $3.7M | Buy |
+24,067
| New | +$3.45M | 0.03% | 534 |
|
|
2017
Q1 | – | Sell |
-388,460
| Closed | -$29.2M | – | 511 |
|
|
2016
Q4 | $29.2M | Buy |
388,460
+266,485
| +218% | +$20.7M | 0.19% | 144 |
|
|
2016
Q3 | $9.44M | Buy |
121,975
+14,056
| +13% | +$1.06M | 0.07% | 295 |
|
|
2016
Q2 | $7.55M | Buy |
107,919
+94,558
| +708% | +$6.49M | 0.06% | 300 |
|
|
2016
Q1 | $1M | Buy |
13,361
+1,050
| +9% | +$73.6K | 0.01% | 710 |
|
|
2015
Q4 | $957K | Sell |
12,311
-31,906
| -72% | -$2.28M | 0.01% | 716 |
|
|
2015
Q3 | $3.14M | Buy |
+44,217
| New | +$3.33M | 0.04% | 368 |
|
|
2015
Q2 | – | Sell |
-10,910
| Closed | -$769K | – | 961 |
|
|
2015
Q1 | $769K | Sell |
10,910
-199,839
| -95% | -$12.4M | 0.01% | 616 |
|
|
2014
Q4 | $10.7M | Buy |
210,749
+28,887
| +16% | +$1.56M | 0.14% | 184 |
|
|
2014
Q3 | $10.4M | Sell |
181,862
-322,526
| -64% | -$16.6M | 0.15% | 181 |
|
|
2014
Q2 | $23.8M | Buy |
504,388
+340,354
| +207% | +$14.7M | 0.35% | 77 |
|
|
2014
Q1 | $7.8M | Buy |
+164,034
| New | +$7.32M | 0.14% | 180 |
|
Other funds holding ICLR
BWA
SHCM
Marshall Wace's ICLR Position: Q1 2026 in Review
Marshall Wace opened a new position in Icon (ICLR) in Q1 2026: 14,367 shares worth $1.59M. The stake represents ﹤0.01% of the portfolio and ranks #1910 among its holdings. This is a return to the name: Marshall Wace previously reported a position in ICLR as recently as Q4 2024.
Marshall Wace first reported a position in ICLR in Q1 2014 and has held it in 33 quarters since. The position peaked at $192M in Q4 2021. 415 funds tracked by Wall St. Rank hold ICLR as of Q1 2026.
- Marshall Wace held 14,367 shares of Icon worth $1.59M as of Q1 2026.
- Icon was a new Marshall Wace position in Q1 2026.
- Icon made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #1910 holding.
- Marshall Wace first reported a position in Icon in Q1 2014 and has held it in 33 quarters since.
- Marshall Wace's Icon position peaked at $192M in Q4 2021.
- 415 funds tracked by Wall St. Rank held Icon as of Q1 2026.
Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.