Two Sigma Advisers
IRBT

Two Sigma Advisers’s iRobot IRBT Stock Holding History

Two Sigma Advisers’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
-504,300
Closed -$1.81M – 2477
2025
Q3 		$1.81M Buy
504,300
+197,400
+64% +$763K ﹤0.01% 1180
2025
Q2 		$961K Buy
306,900
+106,700
+53% +$295K ﹤0.01% 1464
2025
Q1 		$541K Sell
200,200
-377,900
-65% -$2.73M ﹤0.01% 1742
2024
Q4 		$4.48M Buy
578,100
+85,200
+17% +$683K 0.01% 761
2024
Q3 		$4.28M Buy
492,900
+202,500
+70% +$1.75M 0.01% 762
2024
Q2 		$2.65M Buy
290,400
+261,300
+898% +$2.41M 0.01% 1045
2024
Q1 		$255K Buy
29,100
+3,000
+11% +$48.5K ﹤0.01% 2131
2023
Q4 		$1.01M Buy
26,100
+12,900
+98% +$459K ﹤0.01% 1645
2023
Q3 		$500K Sell
13,200
-100
-0.8% -$4.02K ﹤0.01% 1792
2023
Q2 		$602K Sell
13,300
-6,700
-34% -$267K ﹤0.01% 1746
2023
Q1 		$873K Sell
20,000
-900
-4% -$39.9K ﹤0.01% 1698
2022
Q4 		$1.01M Buy
+20,900
New +$1.1M ﹤0.01% 1561
2022
Q2 		– Sell
-3,200
Closed -$203K – 2765
2022
Q1 		$203K Buy
+3,200
New +$202K ﹤0.01% 2376
2021
Q2 		– Sell
-91,408
Closed -$11.2M – 2562
2021
Q1 		$11.2M Sell
91,408
-256,400
-74% -$29.1M 0.03% 535
2020
Q4 		$27.9M Buy
347,808
+79,100
+29% +$6.44M 0.07% 266
2020
Q3 		$20.4M Buy
268,708
+79,300
+42% +$6.11M 0.06% 312
2020
Q2 		$15.9M Sell
189,408
-23,700
-11% -$1.56M 0.05% 388
2020
Q1 		$8.72M Buy
+213,108
New +$10.2M 0.03% 530
2017
Q4 		– Sell
-53,000
Closed -$4.08M – 2309
2017
Q3 		$4.08M Sell
53,000
-21,200
-29% -$1.94M 0.01% 879
2017
Q2 		$6.24M Buy
74,200
+29,273
+65% +$2.52M 0.02% 666
2017
Q1 		$2.97M Buy
+44,927
New +$2.66M 0.01% 1062
2016
Q4 		– Sell
-61,227
Closed -$2.69M – 2392
2016
Q3 		$2.69M Sell
61,227
-1,600
-3% -$62.7K 0.01% 896
2016
Q2 		$2.2M Buy
+62,827
New +$2.31M 0.01% 826
2016
Q1 		– Sell
-49,627
Closed -$1.76M – 2080
2015
Q4 		$1.76M Sell
49,627
-14,400
-22% -$466K 0.01% 792
2015
Q3 		$1.87M Sell
64,027
-6,100
-9% -$186K 0.01% 757
2015
Q2 		$2.24M Buy
+70,127
New +$2.3M 0.02% 754
2014
Q4 		– Sell
-12,027
Closed -$366K – 2589
2014
Q3 		$366K Buy
+12,027
New +$412K ﹤0.01% 1734
2013
Q3 		– Sell
-11,827
Closed -$470K – 2241
2013
Q2 		$470K Buy
+11,827
New +$369K 0.01% 1359

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

Two Sigma Advisers's IRBT Position: Q4 2025 in Review

Two Sigma Advisers sold out of iRobot (IRBT) in Q4 2025, closing a stake of 504,300 shares — an estimated $1.81M sold.

Two Sigma Advisers first reported a position in IRBT in Q2 2013 and held it in 28 quarters. The position peaked at $27.9M in Q4 2020. 20 funds tracked by Wall St. Rank hold IRBT as of Q4 2025.

  • Two Sigma Advisers reported no remaining iRobot position as of Q4 2025 after selling out during the quarter.
  • Two Sigma Advisers sold 504,300 iRobot shares in Q4 2025, an estimated $1.81M.
  • Two Sigma Advisers first reported a position in iRobot in Q2 2013 and held it in 28 quarters.
  • Two Sigma Advisers's iRobot position peaked at $27.9M in Q4 2020.
  • 20 funds tracked by Wall St. Rank held iRobot as of Q4 2025.

Based on Two Sigma Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.