Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$856K Buy
238,373
+139,485
+141% +$539K ﹤0.01% 2021
2025
Q2
$310K Buy
+98,888
New +$273K ﹤0.01% 2456
2025
Q1
Sell
-147,722
Closed -$1.14M 3162
2024
Q4
$1.14M Buy
147,722
+14,456
+11% +$116K 0.01% 1713
2024
Q3
$1.16M Buy
+133,266
New +$1.15M 0.01% 1737
2024
Q2
Sell
-54,594
Closed -$503K 3481
2024
Q1
$478K Buy
+54,594
New +$883K ﹤0.01% 2636
2023
Q2
Sell
-34,038
Closed -$1.49M 3904
2023
Q1
$1.49M Buy
+34,038
New +$1.51M 0.01% 1880
2022
Q4
Sell
-4,218
Closed -$238K 4407
2022
Q3
$238K Sell
4,218
-3,786
-47% -$199K ﹤0.01% 3657
2022
Q2
$294K Sell
8,004
-29,401
-79% -$1.42M ﹤0.01% 3447
2022
Q1
$2.37M Sell
37,405
-20,570
-35% -$1.3M 0.02% 1344
2021
Q4
$3.82M Buy
57,975
+51,225
+759% +$4.05M 0.04% 839
2021
Q3
$530K Sell
6,750
-23,776
-78% -$2.03M 0.01% 1997
2021
Q2
$2.85M Sell
30,526
-35,237
-54% -$3.61M 0.03% 860
2021
Q1
$8.04M Buy
65,763
+33,772
+106% +$3.84M 0.1% 236
2020
Q4
$2.57M Buy
31,991
+24,774
+343% +$2.02M 0.04% 799
2020
Q3
$548K Sell
7,217
-25,505
-78% -$1.97M 0.01% 1694
2020
Q2
$2.75M Buy
32,722
+5,072
+18% +$334K 0.05% 619
2020
Q1
$1.13M Buy
+27,650
New +$1.33M 0.03% 752
2019
Q4
Sell
-25,990
Closed -$1.6M 2479
2019
Q3
$1.6M Buy
25,990
+23,000
+769% +$1.65M 0.03% 729
2019
Q2
$274K Sell
2,990
-45,401
-94% -$4.6M 0.01% 1871
2019
Q1
$5.7M Buy
48,391
+40,059
+481% +$4.26M 0.18% 101
2018
Q4
$698K Buy
8,332
+5,131
+160% +$465K 0.03% 750
2018
Q3
$352K Buy
+3,201
New +$301K 0.02% 1056
2018
Q2
Sell
-4,510
Closed -$289K 1910
2018
Q1
$289K Sell
4,510
-2,570
-36% -$193K 0.02% 1175
2017
Q4
$543K Buy
7,080
+3,939
+125% +$284K 0.03% 840
2017
Q3
$242K Sell
3,141
-25,122
-89% -$2.3M 0.01% 1316
2017
Q2
$2.38M Buy
+28,263
New +$2.44M 0.15% 147
2016
Q4
Sell
-2,597
Closed -$114K 1800
2016
Q3
$114K Sell
2,597
-10,287
-80% -$403K 0.01% 1437
2016
Q2
$452K Buy
+12,884
New +$473K 0.03% 836
2016
Q1
Sell
-6,327
Closed -$224K 1717
2015
Q4
$224K Buy
+6,327
New +$205K 0.01% 1291
2014
Q3
Sell
-10,106
Closed -$414K 1799
2014
Q2
$414K Buy
+10,106
New +$365K 0.02% 821

Other funds holding IRBT

Cubist Systematic Strategies's IRBT Position: Q3 2025 in Review

Cubist Systematic Strategies increased its iRobot (IRBT) stake by 141% in Q3 2025, buying an estimated $539K and bringing the position to 238,373 shares worth $856K. The position accounts for ﹤0.01% of the portfolio, ranked #2021.

Cubist Systematic Strategies first reported a position in IRBT in Q2 2014 and has held it in 30 quarters since. The position peaked at $8.04M in Q1 2021. 123 funds tracked by Wall St. Rank hold IRBT as of Q3 2025.

  • Cubist Systematic Strategies held 238,373 shares of iRobot worth $856K as of Q3 2025.
  • Cubist Systematic Strategies bought 139,485 iRobot shares in Q3 2025, an estimated $539K.
  • iRobot made up ﹤0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #2021 holding.
  • Cubist Systematic Strategies first reported a position in iRobot in Q2 2014 and has held it in 30 quarters since.
  • Cubist Systematic Strategies's iRobot position peaked at $8.04M in Q1 2021.
  • 123 funds tracked by Wall St. Rank held iRobot as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.