iRobot Corp
IRBTDelisted Jan 15, 2026- Industry
- Household Appliances
- SEC CIK
- 0001159167
iRobot Corp was delisted on Jan 15, 2026; its insiders filed their last Form 4 on Dec 11, 2025; 123 institutions reported holding it in 13F filings for Q3 2025, worth $43.2M in total; no superinvestor held it.
13F holders, Q1 2024
Institutional positions in iRobot Corp as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 177
- −40 vs. Q4 2023
- Shares held
- 20.8M
- −959.5K (−4.4%) vs. Q4 2023
- Total value
- $190.7M
- −$651.8M (−77.4%) vs. Q4 2023
- New holders
- 41
- 50 more added
- Sold out
- 81
- 54 more reduced
2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRBT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 2 | $2.94K |
| Q4 2025 | 20 | $53.6K |
| Q3 2025 | 123 | $43.2M |
| Q2 2025 | 130 | $43.3M |
| Q1 2025 | 150 | $45.1M |
| Q4 2024 | 167 | $139.8M |
| Q3 2024 | 169 | $175.6M |
| Q2 2024 | 169 | $183.6M |
| Q1 2024 | 177 | $190.7M |
| Q4 2023 | 219 | $842.6M |
| Q3 2023 | 215 | $871.0M |
| Q2 2023 | 210 | $1.09B |
| Q1 2023 | 220 | $1.11B |
| Q4 2022 | 245 | $1.29B |
| Q3 2022 | 244 | $1.63B |
| Q2 2022 | 220 | $852.8M |
| Q1 2022 | 244 | $1.51B |
| Q4 2021 | 263 | $1.63B |
| Q3 2021 | 267 | $1.99B |
| Q2 2021 | 290 | $2.33B |
| Q1 2021 | 299 | $3.03B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding iRobot Corp; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cambridge Investment Research Advisors, Inc. | 21,107 | $185.0K | 0.00% | +10,138+92.4% | Added |
| Occudo Quantitative Strategies LP | 21,312 | $186.7K | 0.03% | +14,749+224.7% | Added |
| Paloma Partners Management Co | 24,255 | $212.5K | 0.03% | +24,255 | New |
| Barclays PLC | 24,877 | $217.9K | 0.00% | −70,539−73.9% | Reduced |
| Citigroup Inc | 25,250 | $221.2K | 0.00% | −2,458−8.9% | Reduced |
| LPL Financial LLC | 26,074 | $228.4K | 0.00% | −440−1.7% | Reduced |
| California State Teachers Retirement System | 27,813 | $243.6K | 0.00% | −30,125−52.0% | Reduced |
| Two Sigma Advisers, LP | 29,100 | $254.9K | 0.00% | +3,000+11.5% | Added |
| Brevan Howard Capital Management LP | 29,891 | $261.8K | 0.02% | +29,891 | New |
| Harvest Investment Services, LLC | 30,139 | $264.0K | 0.11% | +30,139 | New |
| Alliancebernstein L.P. | 30,675 | $268.7K | 0.00% | −282,454−90.2% | Reduced |
| Gabelli Funds LLC | 30,900 | $270.7K | 0.00% | −45,426−59.5% | Reduced |
| Legal & General Group Plc | 32,104 | $281.2K | 0.00% | −152,910−82.6% | Reduced |
| BNP Paribas Arbitrage, SA | 35,985 | $315.2K | 0.00% | +18,133+101.6% | Added |
| Virtu Financial LLC | 36,163 | $317.0K | 0.02% | +36,163 | New |
| XTX Topco Ltd | 39,084 | $342.4K | 0.05% | +39,084 | New |
| Engineers Gate Manager LP | 40,318 | $353.2K | 0.01% | +40,318 | New |
| UBS Asset Management Americas Inc | 42,304 | $370.6K | 0.00% | +2,025+5.0% | Added |
| JPMorgan Chase & Co | 42,344 | $370.9K | 0.00% | −5,445−11.4% | Reduced |
| Rhumbline Advisers | 42,555 | $372.8K | 0.00% | −43,084−50.3% | Reduced |
| Price T Rowe Associates Inc | 42,835 | $376.0K | 0.00% | +19,542+83.9% | Added |
| Marex Group plc | 44,733 | $391.9K | 0.01% | −30,572−40.6% | Reduced |
| State Board of Administration of Florida Retirement System | 9,000 | $392.8K | 0.00% | +1,130+14.4% | Added |
| Gamco Investors, Inc. Et Al | 45,700 | $400.3K | 0.00% | +11,175+32.4% | Added |
| Russell Investments Group, Ltd. | 48,870 | $428.1K | 0.00% | +27,659+130.4% | Added |
| Quinn Opportunity Partners LLC | 49,000 | $429.2K | 0.05% | +49,000 | New |
| Citadel Advisors LLC | 52,558 | $460.4K | 0.00% | −20,860−28.4% | Reduced |
| Cubist Systematic Strategies, LLC | 54,594 | $478.2K | 0.01% | +54,594 | New |
| Swiss National Bank | 55,000 | $481.8K | 0.00% | +3,100+6.0% | Added |
| GTS Securities LLC | 55,748 | $488.4K | 0.01% | +55,748 | New |
| Credit Suisse AG | 56,054 | $491.0K | 0.00% | −37,185−39.9% | Reduced |
| Gratus Capital LLC | 60,000 | $525.6K | 0.02% | +60,000 | New |
| Canada Pension Plan Investment Board | 63,200 | $553.6K | 0.00% | +63,200 | New |
| Marshall Wace, LLP | 65,505 | $573.8K | 0.00% | −319,282−83.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 67,608 | $592.0K | 0.00% | +67,608 | New |
| AQR Capital Management LLC | 68,829 | $602.9K | 0.00% | +68,829 | New |
| Stifel Financial Corp | 71,586 | $627.1K | 0.00% | +21,389+42.6% | Added |
| Maven Securities LTD | 88,700 | $777.0K | 0.05% | +18,700+26.7% | Added |
| Renaissance Technologies LLC | 88,803 | $778.0K | 0.00% | +13,703+18.2% | Added |
| Balyasny Asset Management LLC | 94,991 | $832.1K | 0.00% | +94,991 | New |
| Alps Advisors Inc | 99,234 | $869.3K | 0.01% | +72,386+269.6% | Added |
| Calamos Advisors LLC | 100,000 | $876.0K | 0.00% | −176,798−63.9% | Reduced |
| UBS Group AG | 108,105 | $947.0K | 0.00% | +57,423+113.3% | Added |
| Susquehanna International Group, LLP | 109,504 | $959.3K | 0.00% | +92,321+537.3% | Added |
| Graham Capital Management, L.P. | 118,506 | $1.04M | 0.03% | +110,239+1,333.5% | Added |
| Norges Bank | 145,550 | $1.28M | 0.00% | −25,575−14.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 145,745 | $1.28M | 0.06% | +145,745 | New |
| Nuveen Asset Management, LLC | 153,521 | $1.34M | 0.00% | −17,859−10.4% | Reduced |
| Deutsche Bank AG | 155,134 | $1.36M | 0.00% | −52,358−25.2% | Reduced |
| Two Sigma Investments, LP | 159,554 | $1.40M | 0.00% | +159,554 | New |
| Invesco Ltd. | 159,573 | $1.40M | 0.00% | +53,502+50.4% | Added |
| Bank of New York Mellon Corp | 159,714 | $1.40M | 0.00% | −91,448−36.4% | Reduced |
| Bank of America Corp | 166,976 | $1.46M | 0.00% | +34,018+25.6% | Added |
| Allianz Asset Management GmbH | 186,377 | $1.63M | 0.00% | +85,003+83.9% | Added |
| Squarepoint Ops LLC | 192,868 | $1.69M | 0.01% | +175,304+998.1% | Added |
| Walleye Capital LLC | 193,934 | $1.70M | 0.02% | +193,934 | New |
| Goldman Sachs Group Inc | 194,258 | $1.70M | 0.00% | −38,716−16.6% | Reduced |
| Qube Research & Technologies Ltd | 203,343 | $1.78M | 0.00% | +133,735+192.1% | Added |
| HRT Financial LP | 209,875 | $1.84M | 0.01% | +105,184+100.5% | Added |
| Sculptor Capital LP | 220,700 | $1.93M | 0.04% | +220,700 | New |
| Northern Trust Corp | 261,043 | $2.29M | 0.00% | −29,912−10.3% | Reduced |
| Dimensional Fund Advisors LP | 352,166 | $3.08M | 0.00% | −120,341−25.5% | Reduced |
| Jane Street Group, LLC | 353,082 | $3.09M | 0.00% | +268,105+315.5% | Added |
| Jacobs Levy Equity Management, Inc | 466,125 | $4.08M | 0.02% | +466,125 | New |
| Caption Management, LLC | 469,357 | $4.11M | 0.45% | +297,986+173.9% | Added |
| Charles Schwab Investment Management Inc | 598,212 | $5.24M | 0.00% | +103,061+20.8% | Added |
| Millennium Management LLC | 600,089 | $5.26M | 0.00% | +318,382+113.0% | Added |
| Geode Capital Management, LLC | 606,105 | $5.31M | 0.00% | +10,678+1.8% | Added |
| Morgan Stanley | 642,067 | $5.62M | 0.00% | +81,295+14.5% | Added |
| State Street Corp | 715,044 | $6.26M | 0.00% | −414,890−36.7% | Reduced |
| Federated Hermes, Inc. | 774,941 | $6.79M | 0.02% | +774,941 | New |
| Mirae Asset Global Investments Co., Ltd. | 255,808 | $10.3M | 0.02% | −58,888−18.7% | Reduced |
| D. E. Shaw & Co., Inc. | 1,197,545 | $10.5M | 0.01% | +1,191,688+20,346.4% | Added |
| Primecap Management Co | 1,488,403 | $13.0M | 0.01% | −273,352−15.5% | Reduced |
| Ameriprise Financial Inc | 1,963,216 | $17.2M | 0.00% | +1,712,951+684.5% | Added |
| Vanguard Group Inc | 2,166,228 | $19.0M | 0.00% | −820,735−27.5% | Reduced |
| BlackRock Inc. | 2,492,084 | $21.8M | 0.00% | −2,271,535−47.7% | Reduced |
| Segantii Capital Management Ltd | 0 | $0 | 0.00% | −684,397−100.0% | Sold out |
| Alpine Associates Management Inc. | 0 | $0 | 0.00% | −596,832−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −329,872−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −200,802−100.0% | Sold out |
| Baillie Gifford & Co | 0 | $0 | 0.00% | −189,026−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −167,490−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −144,932−100.0% | Sold out |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −104,895−100.0% | Sold out |
| Silphium Asset Management Ltd | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −54,945−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −53,665−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −43,013−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −42,300−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −32,105−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −30,779−100.0% | Sold out |
| Vivaldi Asset Management, LLC | 0 | $0 | 0.00% | −29,512−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −24,831−100.0% | Sold out |
| Texas Permanent School Fund | 0 | $0 | 0.00% | −24,072−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −23,438−100.0% | Sold out |
| Rpo LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −19,544−100.0% | Sold out |
| Carmignac Gestion | 0 | $0 | 0.00% | −18,042−100.0% | Sold out |