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
-213,700
Closed -$767K – 13350
2025
Q3 		$767K Sell
213,700
-88,800
-29% -$343K ﹤0.01% 8126
2025
Q2 		$947K Buy
302,500
+158,800
+111% +$439K ﹤0.01% 7226
2025
Q1 		$388K Sell
143,700
-117,700
-45% -$850K ﹤0.01% 9029
2024
Q4 		$2.03M Sell
261,400
-1,400
-0.5% -$11.2K ﹤0.01% 5590
2024
Q3 		$2.28M Buy
262,800
+40,500
+18% +$351K ﹤0.01% 5287
2024
Q2 		$2.03M Sell
222,300
-147,800
-40% -$1.36M ﹤0.01% 5280
2024
Q1 		$3.24M Buy
370,100
+338,200
+1,060% +$5.47M ﹤0.01% 4645
2023
Q4 		$1.23M Sell
31,900
-21,500
-40% -$765K ﹤0.01% 6275
2023
Q3 		$2.02M Sell
53,400
-18,200
-25% -$731K ﹤0.01% 5179
2023
Q2 		$3.24M Buy
71,600
+44,800
+167% +$1.79M ﹤0.01% 4332
2023
Q1 		$1.17M Sell
26,800
-80,700
-75% -$3.57M ﹤0.01% 6438
2022
Q4 		$5.17M Sell
107,500
-8,800
-8% -$465K ﹤0.01% 3812
2022
Q3 		$6.55M Sell
116,300
-75,800
-39% -$3.98M ﹤0.01% 3428
2022
Q2 		$7.06M Sell
192,100
-10,800
-5% -$522K ﹤0.01% 3192
2022
Q1 		$12.9M Buy
202,900
+23,200
+13% +$1.47M ﹤0.01% 2575
2021
Q4 		$11.8M Sell
179,700
-2,900
-2% -$229K ﹤0.01% 2781
2021
Q3 		$14.3M Buy
182,600
+2,000
+1% +$170K ﹤0.01% 2490
2021
Q2 		$16.9M Sell
180,600
-30,500
-14% -$3.13M ﹤0.01% 2301
2021
Q1 		$25.8M Sell
211,100
-264,700
-56% -$30.1M 0.01% 1673
2020
Q4 		$38.2M Buy
475,800
+163,400
+52% +$13.3M 0.01% 1182
2020
Q3 		$23.7M Sell
312,400
-82,700
-21% -$6.37M 0.01% 1430
2020
Q2 		$33.1M Sell
395,100
-53,300
-12% -$3.51M 0.01% 1082
2020
Q1 		$18.3M Sell
448,400
-16,900
-4% -$811K 0.01% 1306
2019
Q4 		$23.6M Buy
465,300
+238,700
+105% +$12M 0.01% 1333
2019
Q3 		$14M Buy
226,600
+90,900
+67% +$6.51M 0.01% 1848
2019
Q2 		$12.4M Buy
135,700
+35,400
+35% +$3.59M 0.01% 1913
2019
Q1 		$11.8M Sell
100,300
-66,500
-40% -$7.08M 0.01% 1873
2018
Q4 		$14M Sell
166,800
-1,400
-0.8% -$127K 0.01% 1550
2018
Q3 		$18.5M Sell
168,200
-137,500
-45% -$12.9M 0.01% 1466
2018
Q2 		$23.2M Buy
305,700
+143,400
+88% +$9.53M 0.01% 1193
2018
Q1 		$10.4M Sell
162,300
-106,600
-40% -$8.02M 0.01% 1693
2017
Q4 		$20.6M Buy
268,900
+125,300
+87% +$9.02M 0.01% 1138
2017
Q3 		$11.1M Buy
143,600
+65,600
+84% +$6M 0.01% 1512
2017
Q2 		$6.56M Buy
78,000
+49,300
+172% +$4.25M 0.01% 1825
2017
Q1 		$1.9M Sell
28,700
-4,900
-15% -$290K ﹤0.01% 3139
2016
Q4 		$1.96M Sell
33,600
-2,600
-7% -$136K ﹤0.01% 2971
2016
Q3 		$1.59M Sell
36,200
-12,100
-25% -$474K ﹤0.01% 3234
2016
Q2 		$1.69M Sell
48,300
-13,800
-22% -$506K ﹤0.01% 2919
2016
Q1 		$2.19M Sell
62,100
-12,700
-17% -$413K ﹤0.01% 2544
2015
Q4 		$2.65M Buy
74,800
+24,800
+50% +$802K ﹤0.01% 2459
2015
Q3 		$1.46M Buy
50,000
+1,100
+2% +$33.5K ﹤0.01% 3334
2015
Q2 		$1.56M Buy
48,900
+15,700
+47% +$515K ﹤0.01% 3349
2015
Q1 		$1.08M Buy
33,200
+900
+3% +$29.2K ﹤0.01% 3827
2014
Q4 		$1.12M Sell
32,300
-28,800
-47% -$988K ﹤0.01% 3628
2014
Q3 		$1.86M Sell
61,100
-32,300
-35% -$1.11M ﹤0.01% 2924
2014
Q2 		$3.83M Buy
93,400
+60,300
+182% +$2.18M ﹤0.01% 2078
2014
Q1 		$1.36M Buy
33,100
+5,100
+18% +$204K ﹤0.01% 3044
2013
Q4 		$974K Buy
28,000
+7,100
+34% +$242K ﹤0.01% 3251
2013
Q3 		$787K Sell
20,900
-3,800
-15% -$136K ﹤0.01% 3345
2013
Q2 		$982K Buy
+24,700
New +$772K ﹤0.01% 3203

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.