Marshall Wace’s iRobot IRBT Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-31,278
| Closed | -$3.44K | – | 3448 |
|
|
2025
Q4 | $3.44K | Sell |
31,278
-247,700
| -89% | -$746K | ﹤0.01% | 2886 |
|
|
2025
Q3 | $1M | Sell |
278,978
-19,224
| -6% | -$74.3K | ﹤0.01% | 1943 |
|
|
2025
Q2 | $933K | Sell |
298,202
-716,397
| -71% | -$1.98M | ﹤0.01% | 1885 |
|
|
2025
Q1 | $2.74M | Buy |
+1,014,599
| New | +$7.33M | ﹤0.01% | 1333 |
|
|
2024
Q3 | – | Sell |
-10,324
| Closed | -$94.1K | – | 2729 |
|
|
2024
Q2 | $94.1K | Sell |
10,324
-55,181
| -84% | -$508K | ﹤0.01% | 2400 |
|
|
2024
Q1 | $574K | Sell |
65,505
-319,282
| -83% | -$5.16M | ﹤0.01% | 1880 |
|
|
2023
Q4 | $14.9M | Buy |
384,787
+133,541
| +53% | +$4.75M | 0.03% | 566 |
|
|
2023
Q3 | $9.52M | Sell |
251,246
-8,854
| -3% | -$356K | 0.02% | 661 |
|
|
2023
Q2 | $11.8M | Buy |
260,100
+166,091
| +177% | +$6.63M | 0.02% | 662 |
|
|
2023
Q1 | $4.1M | Buy |
94,009
+28,268
| +43% | +$1.25M | 0.01% | 1093 |
|
|
2022
Q4 | $3.16M | Buy |
+65,741
| New | +$3.47M | 0.01% | 1469 |
|
|
2021
Q4 | – | Sell |
-9,234
| Closed | -$725K | – | 4068 |
|
|
2021
Q3 | $725K | Buy |
9,234
+6,564
| +246% | +$559K | ﹤0.01% | 2203 |
|
|
2021
Q2 | $249K | Sell |
2,670
-100,708
| -97% | -$10.3M | ﹤0.01% | 2384 |
|
|
2021
Q1 | $12.6M | Buy |
+103,378
| New | +$11.8M | 0.06% | 341 |
|
|
2019
Q1 | – | Sell |
-70,293
| Closed | -$5.89M | – | 1885 |
|
|
2018
Q4 | $5.89M | Buy |
+70,293
| New | +$6.37M | 0.06% | 400 |
|
|
2018
Q3 | – | Sell |
-27,489
| Closed | -$2.08M | – | 1215 |
|
|
2018
Q2 | $2.08M | Buy |
+27,489
| New | +$1.83M | 0.03% | 418 |
|
Other funds holding IRBT
Marshall Wace's IRBT Position: Q1 2026 in Review
Marshall Wace sold out of iRobot (IRBT) in Q1 2026, closing a stake of 31,278 shares — an estimated $3.44K sold.
Marshall Wace first reported a position in IRBT in Q2 2018 and held it in 16 quarters. The position peaked at $14.9M in Q4 2023. 2 funds tracked by Wall St. Rank hold IRBT as of Q1 2026.
- Marshall Wace reported no remaining iRobot position as of Q1 2026 after selling out during the quarter.
- Marshall Wace sold 31,278 iRobot shares in Q1 2026, an estimated $3.44K.
- Marshall Wace first reported a position in iRobot in Q2 2018 and held it in 16 quarters.
- Marshall Wace's iRobot position peaked at $14.9M in Q4 2023.
- 2 funds tracked by Wall St. Rank held iRobot as of Q1 2026.
Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.