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
-48,600
Closed -$174K – 13352
2025
Q3 		$174K Sell
48,600
-9,600
-16% -$37.1K ﹤0.01% 11403
2025
Q2 		$182K Sell
58,200
-43,900
-43% -$121K ﹤0.01% 10764
2025
Q1 		$276K Buy
102,100
+57,400
+128% +$415K ﹤0.01% 9782
2024
Q4 		$346K Buy
44,700
+3,100
+7% +$24.8K ﹤0.01% 9363
2024
Q3 		$362K Sell
41,600
-4,200
-9% -$36.4K ﹤0.01% 8921
2024
Q2 		$417K Sell
45,800
-10,200
-18% -$93.9K ﹤0.01% 8424
2024
Q1 		$491K Buy
56,000
+39,500
+239% +$639K ﹤0.01% 8444
2023
Q4 		$639K Buy
16,500
+13,400
+432% +$477K ﹤0.01% 7587
2023
Q3 		$117K Sell
3,100
-1,000
-24% -$40.2K ﹤0.01% 10690
2023
Q2 		$186K Buy
4,100
+1,300
+46% +$51.9K ﹤0.01% 10007
2023
Q1 		$122K Sell
2,800
-2,400
-46% -$106K ﹤0.01% 10975
2022
Q4 		$250K Sell
5,200
-52,700
-91% -$2.79M ﹤0.01% 9696
2022
Q3 		$3.26M Sell
57,900
-216,400
-79% -$11.4M ﹤0.01% 4641
2022
Q2 		$10.1M Buy
274,300
+4,300
+2% +$208K ﹤0.01% 2683
2022
Q1 		$17.1M Sell
270,000
-2,600
-1% -$165K ﹤0.01% 2179
2021
Q4 		$18M Sell
272,600
-109,800
-29% -$8.68M ﹤0.01% 2155
2021
Q3 		$30M Sell
382,400
-55,200
-13% -$4.7M 0.01% 1564
2021
Q2 		$40.9M Buy
437,600
+192,600
+79% +$19.7M 0.01% 1301
2021
Q1 		$29.9M Sell
245,000
-49,200
-17% -$5.59M 0.01% 1510
2020
Q4 		$23.6M Buy
294,200
+2,600
+0.9% +$212K 0.01% 1633
2020
Q3 		$22.1M Sell
291,600
-119,200
-29% -$9.18M 0.01% 1492
2020
Q2 		$34.5M Sell
410,800
-60,500
-13% -$3.98M 0.01% 1053
2020
Q1 		$19.3M Buy
471,300
+142,000
+43% +$6.81M 0.01% 1265
2019
Q4 		$16.7M Sell
329,300
-420,500
-56% -$21.1M 0.01% 1655
2019
Q3 		$46.2M Buy
749,800
+473,400
+171% +$33.9M 0.02% 806
2019
Q2 		$25.3M Buy
276,400
+134,100
+94% +$13.6M 0.01% 1209
2019
Q1 		$16.7M Sell
142,300
-146,900
-51% -$15.6M 0.01% 1514
2018
Q4 		$24.2M Sell
289,200
-29,400
-9% -$2.66M 0.01% 1086
2018
Q3 		$35M Buy
318,600
+152,500
+92% +$14.3M 0.02% 970
2018
Q2 		$12.6M Buy
166,100
+90,000
+118% +$5.98M 0.01% 1712
2018
Q1 		$4.88M Sell
76,100
-11,800
-13% -$888K ﹤0.01% 2487
2017
Q4 		$6.74M Sell
87,900
-65,700
-43% -$4.73M ﹤0.01% 2136
2017
Q3 		$11.8M Buy
153,600
+76,400
+99% +$6.99M 0.01% 1456
2017
Q2 		$6.5M Buy
77,200
+61,400
+389% +$5.29M 0.01% 1836
2017
Q1 		$1.04M Sell
15,800
-11,600
-42% -$686K ﹤0.01% 3933
2016
Q4 		$1.6M Buy
27,400
+10,100
+58% +$527K ﹤0.01% 3222
2016
Q3 		$761K Sell
17,300
-9,000
-34% -$353K ﹤0.01% 4201
2016
Q2 		$923K Buy
26,300
+14,200
+117% +$521K ﹤0.01% 3657
2016
Q1 		$427K Sell
12,100
-26,400
-69% -$859K ﹤0.01% 4627
2015
Q4 		$1.36M Buy
38,500
+11,200
+41% +$362K ﹤0.01% 3211
2015
Q3 		$796K Sell
27,300
-8,500
-24% -$259K ﹤0.01% 4131
2015
Q2 		$1.14M Sell
35,800
-43,400
-55% -$1.42M ﹤0.01% 3780
2015
Q1 		$2.58M Sell
79,200
-10,600
-12% -$344K ﹤0.01% 2747
2014
Q4 		$3.12M Sell
89,800
-800
-0.9% -$27.4K ﹤0.01% 2441
2014
Q3 		$2.76M Buy
90,600
+21,500
+31% +$737K ﹤0.01% 2524
2014
Q2 		$2.83M Buy
69,100
+34,800
+101% +$1.26M ﹤0.01% 2390
2014
Q1 		$1.41M Buy
34,300
+25,800
+304% +$1.03M ﹤0.01% 2997
2013
Q4 		$296K Sell
8,500
-10,500
-55% -$358K ﹤0.01% 4616
2013
Q3 		$716K Sell
19,000
-15,700
-45% -$563K ﹤0.01% 3434
2013
Q2 		$1.38M Buy
+34,700
New +$1.08M ﹤0.01% 2848

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.