Renaissance Technologies
IRBT

Renaissance Technologies’s iRobot IRBT Stock Holding History

Renaissance Technologies’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
-116,676
Closed -$419K – 3490
2025
Q3 		$419K Sell
116,676
-461,912
-80% -$1.79M ﹤0.01% 2869
2025
Q2 		$1.81M Buy
578,588
+292,112
+102% +$808K ﹤0.01% 2170
2025
Q1 		$773K Sell
286,476
-288,700
-50% -$2.08M ﹤0.01% 2553
2024
Q4 		$4.46M Buy
575,176
+177,876
+45% +$1.43M 0.01% 1518
2024
Q3 		$3.45M Buy
+397,300
New +$3.44M 0.01% 1681
2024
Q2 		– Sell
-88,803
Closed -$778K – 3728
2024
Q1 		$778K Buy
88,803
+13,703
+18% +$222K ﹤0.01% 2645
2023
Q4 		$2.91M Buy
75,100
+44,500
+145% +$1.58M ﹤0.01% 1709
2023
Q3 		$1.16M Sell
30,600
-52,000
-63% -$2.09M ﹤0.01% 2201
2023
Q2 		$3.74M Sell
82,600
-92,000
-53% -$3.67M 0.01% 1596
2023
Q1 		$7.62M Buy
+174,600
New +$7.73M 0.01% 1236
2022
Q4 		– Sell
-117,200
Closed -$6.6M – 4249
2022
Q3 		$6.6M Buy
117,200
+39,500
+51% +$2.07M 0.01% 1277
2022
Q2 		$2.85M Sell
77,700
-71,300
-48% -$3.44M ﹤0.01% 1938
2022
Q1 		$9.45M Buy
149,000
+103,200
+225% +$6.53M 0.01% 1158
2021
Q4 		$3.02M Buy
+45,800
New +$3.62M ﹤0.01% 1846
2021
Q2 		– Sell
-122,376
Closed -$15M – 3621
2021
Q1 		$15M Buy
122,376
+87,576
+252% +$9.96M 0.02% 947
2020
Q4 		$2.79M Buy
+34,800
New +$2.83M ﹤0.01% 1930
2018
Q2 		– Sell
-182,600
Closed -$11.7M – 3403
2018
Q1 		$11.7M Buy
+182,600
New +$13.7M 0.01% 1260
2017
Q4 		– Sell
-342,100
Closed -$26.4M – 3416
2017
Q3 		$26.4M Buy
342,100
+262,600
+330% +$24M 0.03% 734
2017
Q2 		$6.69M Sell
79,500
-164,804
-67% -$14.2M 0.01% 1513
2017
Q1 		$16.2M Buy
+244,304
New +$14.4M 0.02% 934
2016
Q4 		– Sell
-68,460
Closed -$3.01M – 3346
2016
Q3 		$3.01M Buy
68,460
+11,460
+20% +$449K 0.01% 1948
2016
Q2 		$2M Buy
+57,000
New +$2.09M ﹤0.01% 2194
2016
Q1 		– Sell
-28,100
Closed -$995K – 3438
2015
Q4 		$995K Buy
+28,100
New +$909K ﹤0.01% 2463
2014
Q2 		– Sell
-186,073
Closed -$7.64M – 2866
2014
Q1 		$7.64M Buy
186,073
+97,373
+110% +$3.9M 0.02% 1014
2013
Q4 		$3.08M Buy
+88,700
New +$3.02M 0.01% 1493

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

Renaissance Technologies's IRBT Position: Q4 2025 in Review

Renaissance Technologies sold out of iRobot (IRBT) in Q4 2025, closing a stake of 116,676 shares — an estimated $419K sold.

Renaissance Technologies first reported a position in IRBT in Q4 2013 and held it in 25 quarters. The position peaked at $26.4M in Q3 2017. 20 funds tracked by Wall St. Rank hold IRBT as of Q4 2025.

  • Renaissance Technologies reported no remaining iRobot position as of Q4 2025 after selling out during the quarter.
  • Renaissance Technologies sold 116,676 iRobot shares in Q4 2025, an estimated $419K.
  • Renaissance Technologies first reported a position in iRobot in Q4 2013 and held it in 25 quarters.
  • Renaissance Technologies's iRobot position peaked at $26.4M in Q3 2017.
  • 20 funds tracked by Wall St. Rank held iRobot as of Q4 2025.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.