Parallax Volatility Advisers
IRBT

Parallax Volatility Advisers’s iRobot IRBT Stock Holding History

Parallax Volatility 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
Q2 		– Sell
-6,383
Closed -$17.2K – 1682
2025
Q1 		$17.2K Buy
6,383
+2,605
+69% +$18.8K ﹤0.01% 1419
2024
Q4 		$29.3K Buy
3,778
+2,977
+372% +$23.9K ﹤0.01% 1820
2024
Q3 		$6.96K Sell
801
-3,381
-81% -$29.3K ﹤0.01% 1941
2024
Q2 		$38.1K Sell
4,182
-2,767
-40% -$25.5K ﹤0.01% 1776
2024
Q1 		$60.9K Buy
+6,949
New +$112K ﹤0.01% 1625
2023
Q3 		– Sell
-12,676
Closed -$509K – 2439
2023
Q2 		$574K Sell
12,676
-41,626
-77% -$1.66M ﹤0.01% 1602
2023
Q1 		$2.37M Sell
54,302
-11,218
-17% -$497K ﹤0.01% 1180
2022
Q4 		$3.15M Buy
65,520
+39,667
+153% +$2.1M ﹤0.01% 1225
2022
Q3 		$1.46M Buy
+25,853
New +$1.36M ﹤0.01% 1572
2022
Q1 		– Sell
-2,409
Closed -$152K – 2934
2021
Q4 		$159K Buy
+2,409
New +$191K ﹤0.01% 1690
2021
Q1 		– Sell
-86,139
Closed -$6.92M – 1628
2020
Q4 		$6.92M Sell
86,139
-11,224
-12% -$914K 0.01% 842
2020
Q3 		$7.39M Buy
97,363
+80,479
+477% +$6.2M 0.01% 1138
2020
Q2 		$1.42M Sell
16,884
-41,561
-71% -$2.74M ﹤0.01% 1592
2020
Q1 		$2.39M Sell
58,445
-27,548
-32% -$1.32M ﹤0.01% 1157
2019
Q4 		$4.35M Buy
85,993
+4,630
+6% +$232K 0.01% 962
2019
Q3 		$5.02M Buy
81,363
+63,770
+362% +$4.57M 0.01% 814
2019
Q2 		$1.61M Buy
17,593
+10,540
+149% +$1.07M ﹤0.01% 1112
2019
Q1 		$830K Buy
+7,053
New +$751K ﹤0.01% 1349
2018
Q4 		– Sell
-2,216
Closed -$201K – 3417
2018
Q3 		$244K Sell
2,216
-28,942
-93% -$2.72M ﹤0.01% 1580
2018
Q2 		$2.36M Buy
+31,158
New +$2.07M ﹤0.01% 841
2018
Q1 		– Sell
-4,074
Closed -$312K – 3233
2017
Q4 		$312K Sell
4,074
-28,751
-88% -$2.07M ﹤0.01% 1907
2017
Q3 		$2.53M Buy
32,825
+23,094
+237% +$2.11M ﹤0.01% 778
2017
Q2 		$819K Buy
9,731
+4,969
+104% +$429K ﹤0.01% 1089
2017
Q1 		$315K Buy
+4,762
New +$282K ﹤0.01% 1740
2016
Q4 		– Sell
-765
Closed -$39.9K – 3590
2016
Q3 		$34K Buy
765
+431
+129% +$16.9K ﹤0.01% 2482
2016
Q2 		$12K Buy
334
+213
+176% +$7.82K ﹤0.01% 2356
2016
Q1 		$4K Sell
121
-1,769
-94% -$57.6K ﹤0.01% 2381
2015
Q4 		$67K Sell
1,890
-2,562
-58% -$82.9K ﹤0.01% 2252
2015
Q3 		$130K Sell
4,452
-1,064
-19% -$32.4K ﹤0.01% 1929
2015
Q2 		$176K Sell
5,516
-767
-12% -$25.2K ﹤0.01% 2047
2015
Q1 		$205K Sell
6,283
-2,495
-28% -$81K ﹤0.01% 2063
2014
Q4 		$305K Sell
8,778
-1,219
-12% -$41.8K ﹤0.01% 2461
2014
Q3 		$304K Buy
9,997
+7,640
+324% +$262K ﹤0.01% 2174
2014
Q2 		$97K Buy
2,357
+2,312
+5,138% +$83.6K ﹤0.01% 2515
2014
Q1 		$2K Sell
45
-463
-91% -$18.5K ﹤0.01% 3275
2013
Q4 		$18K Buy
+508
New +$17.3K ﹤0.01% 2758

Other funds holding IRBT

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Parallax Volatility Advisers's IRBT Position: Q2 2025 in Review

Parallax Volatility Advisers sold out of iRobot (IRBT) in Q2 2025, closing a stake of 6,383 shares — an estimated $17.2K sold.

Parallax Volatility Advisers first reported a position in IRBT in Q4 2013 and held it in 36 quarters. The position peaked at $7.39M in Q3 2020. 129 funds tracked by Wall St. Rank hold IRBT as of Q2 2025.

  • Parallax Volatility Advisers reported no remaining iRobot position as of Q2 2025 after selling out during the quarter.
  • Parallax Volatility Advisers sold 6,383 iRobot shares in Q2 2025, an estimated $17.2K.
  • Parallax Volatility Advisers first reported a position in iRobot in Q4 2013 and held it in 36 quarters.
  • Parallax Volatility Advisers's iRobot position peaked at $7.39M in Q3 2020.
  • 129 funds tracked by Wall St. Rank held iRobot as of Q2 2025.

Based on Parallax Volatility Advisers's 13F filing for Q2 2025, filed 14 Aug 2025.