Citadel Advisors
IRBT

Citadel Advisors’s iRobot IRBT Stock Holding History

Citadel Advisors’s Portfolio IRBT Stock Details IRBT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-31,272
Closed -$112K – 13351
2025
Q3 		$112K Sell
31,272
-90,275
-74% -$349K ﹤0.01% 11760
2025
Q2 		$380K Buy
+121,547
New +$336K ﹤0.01% 9262
2025
Q1 		– Sell
-87,791
Closed -$634K – 15007
2024
Q4 		$680K Buy
87,791
+84,526
+2,589% +$677K ﹤0.01% 7889
2024
Q3 		$28.4K Sell
3,265
-142,183
-98% -$1.23M ﹤0.01% 12483
2024
Q2 		$1.33M Buy
145,448
+92,890
+177% +$856K ﹤0.01% 6073
2024
Q1 		$460K Sell
52,558
-20,860
-28% -$337K ﹤0.01% 8571
2023
Q4 		$2.84M Sell
73,418
-127,061
-63% -$4.52M ﹤0.01% 4736
2023
Q3 		$7.6M Buy
200,479
+95,493
+91% +$3.83M ﹤0.01% 3039
2023
Q2 		$4.75M Buy
104,986
+51,952
+98% +$2.07M ﹤0.01% 3730
2023
Q1 		$2.31M Buy
53,034
+52,965
+76,761% +$2.35M ﹤0.01% 5082
2022
Q4 		$3.32K Sell
69
-116,349
-100% -$6.15M ﹤0.01% 14229
2022
Q3 		$6.56M Sell
116,418
-170
-0.1% -$8.92K ﹤0.01% 3424
2022
Q2 		$4.28M Buy
116,588
+53,951
+86% +$2.61M ﹤0.01% 4098
2022
Q1 		$3.97M Buy
62,637
+892
+1% +$56.4K ﹤0.01% 4628
2021
Q4 		$4.07M Sell
61,745
-155,621
-72% -$12.3M ﹤0.01% 4712
2021
Q3 		$17.1M Sell
217,366
-16,409
-7% -$1.4M ﹤0.01% 2236
2021
Q2 		$21.8M Buy
233,775
+101,160
+76% +$10.4M ﹤0.01% 1980
2021
Q1 		$16.2M Buy
132,615
+53,690
+68% +$6.1M ﹤0.01% 2247
2020
Q4 		$6.34M Sell
78,925
-55,182
-41% -$4.49M ﹤0.01% 3279
2020
Q3 		$10.2M Buy
134,107
+1,301
+1% +$100K ﹤0.01% 2275
2020
Q2 		$11.1M Buy
+132,806
New +$8.74M ﹤0.01% 2097
2020
Q1 		– Sell
-43,316
Closed -$2.08M – 9868
2019
Q4 		$2.19M Sell
43,316
-483,996
-92% -$24.3M ﹤0.01% 4263
2019
Q3 		$32.5M Buy
527,312
+324,082
+159% +$23.2M 0.02% 1059
2019
Q2 		$18.6M Buy
203,230
+156,900
+339% +$15.9M 0.01% 1484
2019
Q1 		$5.45M Buy
+46,330
New +$4.93M ﹤0.01% 2877
2018
Q4 		– Sell
-35,298
Closed -$3.2M – 9437
2018
Q3 		$3.88M Buy
35,298
+14,527
+70% +$1.37M ﹤0.01% 3340
2018
Q2 		$1.57M Sell
20,771
-31,001
-60% -$2.06M ﹤0.01% 4463
2018
Q1 		$3.32M Buy
51,772
+36,042
+229% +$2.71M ﹤0.01% 3001
2017
Q4 		$1.21M Sell
15,730
-16,910
-52% -$1.22M ﹤0.01% 4387
2017
Q3 		$2.52M Sell
32,640
-14,024
-30% -$1.28M ﹤0.01% 3140
2017
Q2 		$3.93M Buy
+46,664
New +$4.02M ﹤0.01% 2375
2017
Q1 		– Sell
-5,274
Closed -$312K – 7743
2016
Q4 		$308K Buy
+5,274
New +$275K ﹤0.01% 5630
2016
Q3 		– Sell
-73,390
Closed -$2.88M – 7461
2016
Q2 		$2.57M Buy
73,390
+49,872
+212% +$1.83M ﹤0.01% 2474
2016
Q1 		$830K Sell
23,518
-41,039
-64% -$1.34M ﹤0.01% 3698
2015
Q4 		$2.29M Sell
64,557
-10,507
-14% -$340K ﹤0.01% 2600
2015
Q3 		$2.19M Sell
75,064
-11,519
-13% -$350K ﹤0.01% 2824
2015
Q2 		$2.76M Buy
86,583
+52,633
+155% +$1.73M ﹤0.01% 2683
2015
Q1 		$1.11M Sell
33,950
-71,719
-68% -$2.33M ﹤0.01% 3796
2014
Q4 		$3.67M Buy
105,669
+22,398
+27% +$769K ﹤0.01% 2269
2014
Q3 		$2.54M Buy
83,271
+59,351
+248% +$2.03M ﹤0.01% 2604
2014
Q2 		$980K Sell
23,920
-49,882
-68% -$1.8M ﹤0.01% 3513
2014
Q1 		$3.03M Buy
73,802
+56,240
+320% +$2.25M ﹤0.01% 2211
2013
Q4 		$611K Buy
17,562
+2,452
+16% +$83.6K ﹤0.01% 3771
2013
Q3 		$569K Buy
15,110
+12,923
+591% +$463K ﹤0.01% 3663
2013
Q2 		$87K Buy
+2,187
New +$68.3K ﹤0.01% 5314

Other funds holding IRBT

XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
MTIM
Marathon Trading Investment Management Radnor, Pennsylvania $3.67B AUM 21.97% 1-Year Est. Return
BCV
Banque Cantonale Vaudoise Lausanne, Switzerland $722M AUM 30.45% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
TC
T3 Companies New York $93.7M AUM
GI
GAMMA Investing Foster City, California $2.69B AUM 42.78% 1-Year Est. Return
XSC
X-Square Capital Guaynabo, Puerto Rico $297M AUM 32.87% 1-Year Est. Return
DE
DV Equities Chicago, Illinois $558M AUM
DJSG
D.J. St. Germain Springfield, Massachusetts $2.78B AUM 23.87% 1-Year Est. Return

Citadel Advisors's IRBT Position: Q4 2025 in Review

Citadel Advisors sold out of iRobot (IRBT) in Q4 2025, closing a stake of 31,272 shares — an estimated $112K sold.

Citadel Advisors first reported a position in IRBT in Q2 2013 and held it in 45 quarters. The position peaked at $32.5M in Q3 2019. 20 funds tracked by Wall St. Rank hold IRBT as of Q4 2025.

  • Citadel Advisors reported no remaining iRobot position as of Q4 2025 after selling out during the quarter.
  • Citadel Advisors sold 31,272 iRobot shares in Q4 2025, an estimated $112K.
  • Citadel Advisors first reported a position in iRobot in Q2 2013 and held it in 45 quarters.
  • Citadel Advisors's iRobot position peaked at $32.5M in Q3 2019.
  • 20 funds tracked by Wall St. Rank held iRobot as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.