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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, Q3 2023

Institutional positions in iRobot Corp as of Sep 30, 2023. 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
215
+5 vs. Q2 2023
Shares held
23.0M
−988.7K (−4.1%) vs. Q2 2023
Total value
$871.0M
−$214.5M (−19.8%) vs. Q2 2023
New holders
31
54 more added
Sold out
26
68 more reduced

Compare with Q2 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.

Institutional holdersQ3 2023: 215 institutions
Q1 2021: 299 institutionsQ2 2021: 290 institutionsQ3 2021: 267 institutionsQ4 2021: 263 institutionsQ1 2022: 244 institutionsQ2 2022: 220 institutionsQ3 2022: 244 institutionsQ4 2022: 245 institutionsQ1 2023: 220 institutionsQ2 2023: 210 institutionsQ3 2023: 215 institutionsQ4 2023: 219 institutionsQ1 2024: 177 institutionsQ2 2024: 169 institutionsQ3 2024: 169 institutionsQ4 2024: 167 institutionsQ1 2025: 150 institutionsQ2 2025: 130 institutionsQ3 2025: 123 institutionsQ4 2025: 20 institutionsQ1 2026: 2 institutionsQ2 2026: 0 institutions
Value heldQ3 2023: $871.0M
Q1 2021: $3.03BQ2 2021: $2.33BQ3 2021: $1.99BQ4 2021: $1.63BQ1 2022: $1.51BQ2 2022: $852.8MQ3 2022: $1.63BQ4 2022: $1.29BQ1 2023: $1.11BQ2 2023: $1.09BQ3 2023: $871.0MQ4 2023: $842.6MQ1 2024: $190.7MQ2 2024: $183.6MQ3 2024: $175.6MQ4 2024: $139.8MQ1 2025: $45.1MQ2 2025: $43.3MQ3 2025: $43.2MQ4 2025: $53.6KQ1 2026: $2.94KQ2 2026: $0
Institutions holding IRBT and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20262$2.94K
Q4 202520$53.6K
Q3 2025123$43.2M
Q2 2025130$43.3M
Q1 2025150$45.1M
Q4 2024167$139.8M
Q3 2024169$175.6M
Q2 2024169$183.6M
Q1 2024177$190.7M
Q4 2023219$842.6M
Q3 2023215$871.0M
Q2 2023210$1.09B
Q1 2023220$1.11B
Q4 2022245$1.29B
Q3 2022244$1.63B
Q2 2022220$852.8M
Q1 2022244$1.51B
Q4 2021263$1.63B
Q3 2021267$1.99B
Q2 2021290$2.33B
Q1 2021299$3.03B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding iRobot Corp; share changes are against Q2 2023.

Institutions holding IRBT in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.4,636,796$175.7M0.01%−40,215−0.9%Reduced
Vanguard Group Inc2,952,921$111.9M0.00%+19,910+0.7%Added
Primecap Management Co1,793,755$68.0M0.06%−32,798−1.8%Reduced
State Street Corp1,128,653$42.8M0.00%+24,025+2.2%Added
Alpine Associates Management Inc.962,339$36.5M1.91%+5,400+0.6%Added
Morgan Stanley602,319$22.8M0.00%−46,056−7.1%Reduced
Dimensional Fund Advisors LP573,425$21.7M0.01%+11,188+2.0%Added
Geode Capital Management, LLC566,266$21.5M0.00%+19,258+3.5%Added
Charles Schwab Investment Management Inc452,020$17.1M0.00%+40,943+10.0%Added
Segantii Capital Management Ltd450,000$17.1M0.65%+450,000New
One Fin Capital Management LP362,000$13.7M5.56%+65,000+21.9%Added
Goldman Sachs Group Inc360,543$13.7M0.00%−77,552−17.7%Reduced
Calamos Advisors LLC343,719$13.0M0.07%−70,783−17.1%Reduced
Disciplined Growth Investors Inc337,709$12.8M0.30%−2,739−0.8%Reduced
California State Teachers Retirement System329,219$12.5M0.02%−2,974−0.9%Reduced
Alliancebernstein L.P.313,963$11.9M0.01%−10,420−3.2%Reduced
Mirae Asset Global Investments Co., Ltd.311,961$11.8M0.03%−1,485−0.5%Reduced
HSBC Holdings PLC296,516$11.4M0.01%+450.0%Added
Northern Trust Corp298,230$11.3M0.00%−1,922−0.6%Reduced
Magnetar Financial LLC254,349$9.64M0.25%+6,202+2.5%Added
Ameriprise Financial Inc253,031$9.59M0.00%−38,722−13.3%Reduced
Bank of New York Mellon Corp252,988$9.59M0.00%−6,650−2.6%Reduced
Marshall Wace, LLP251,246$9.52M0.02%−8,854−3.4%Reduced
Baillie Gifford & Co242,000$9.17M0.01%−27,636−10.2%Reduced
CNH Partners LLC221,300$8.39M0.38%−4,076−1.8%Reduced
Millennium Management LLC210,482$7.98M0.01%+122,639+139.6%Added
Norges Bank201,012$7.62M0.00%+180,000+856.7%Added
Citadel Advisors LLC200,479$7.60M0.01%+95,493+91.0%Added
Pentwater Capital Management LP190,000$7.20M0.07%+166,000+691.7%Added
Nuveen Asset Management, LLC173,880$6.59M0.00%+1,093+0.6%Added
Susquehanna International Group, LLP168,429$6.38M0.01%−88,074−34.3%Reduced
Principal Financial Group Inc147,583$5.59M0.00%−7,413−4.8%Reduced
HRT Financial LP143,786$5.45M0.05%+23,016+19.1%Added
Invesco Ltd.110,474$4.19M0.00%+2,781+2.6%Added
Credit Suisse AG108,007$4.09M0.00%−725,195−87.0%Reduced
Versor Investments LP102,749$3.89M0.79%−97,701−48.7%Reduced
Allianz Asset Management GmbH95,178$3.61M0.01%+6,819+7.7%Added
Rhumbline Advisers87,965$3.33M0.00%+602+0.7%Added
Healthcare of Ontario Pension Plan Trust Fund85,000$3.22M0.01%00.0%Unchanged
Gabelli Funds LLC81,951$3.11M0.03%−10,200−11.1%Reduced
Public Sector Pension Investment Board81,106$3.07M0.02%−14,228−14.9%Reduced
Legal & General Group Plc79,344$3.01M0.00%+137+0.2%Added
Hudson Bay Capital Management LP66,207$2.51M0.02%+66,207New
Barclays PLC65,492$2.48M0.00%+12,980+24.7%Added
Qube Research & Technologies Ltd61,836$2.34M0.01%+44,075+248.2%Added
Capital Fund Management S.A.61,659$2.34M0.03%−495−0.8%Reduced
Jane Street Group, LLC60,654$2.30M0.00%−180,676−74.9%Reduced
Swiss National Bank57,700$2.19M0.00%+600+1.1%Added
GTS Securities LLC57,192$2.17M0.05%+38,693+209.2%Added
Chicago Capital Management, LLC78,185$2.04M5.38%−37,128−32.2%Reduced
JPMorgan Chase & Co51,676$1.96M0.00%−219,056−80.9%Reduced
Stifel Financial Corp51,512$1.95M0.00%+2,611+5.3%Added
Silphium Asset Management Ltd50,000$1.90M0.62%+50,000New
UBS Group AG46,069$1.75M0.00%−5,348−10.4%Reduced
Weiss Asset Management LP45,089$1.71M0.14%+45,089New
Caption Management, LLC44,696$1.69M0.22%+44,696New
UBS Asset Management Americas Inc39,867$1.51M0.00%+2,074+5.5%Added
Bank of America Corp38,729$1.47M0.00%+10,349+36.5%Added
Vivaldi Asset Management, LLC38,627$1.46M0.08%−7,039−15.4%Reduced
Gamco Investors, Inc. Et Al38,325$1.45M0.02%−10,800−22.0%Reduced
Simplex Trading, LLC36,160$1.37M0.05%+29,990+486.1%Added
Prudential Financial Inc32,325$1.23M0.00%−1,360−4.0%Reduced
New York State Teachers Retirement System30,779$1.17M0.00%−300−1.0%Reduced
Renaissance Technologies LLC30,600$1.16M0.00%−52,000−63.0%Reduced
BNP Paribas Arbitrage, SA30,547$1.16M0.00%+8,917+41.2%Added
Candriam Luxembourg S.C.A.29,769$1.13M0.01%00.0%Unchanged
Squarepoint Ops LLC29,337$1.11M0.01%+29,337New
Deutsche Bank AG27,704$1.05M0.00%−37,392−57.4%Reduced
Alps Advisors Inc27,337$1.04M0.01%−160−0.6%Reduced
LPL Financial LLC25,498$966.4K0.00%+8,196+47.4%Added
Thrivent Financial for Lutherans25,243$957.0K0.00%−806−3.1%Reduced
Murchinson Ltd.25,000$947.5K0.14%00.0%Unchanged
Maven Securities LTD25,000$947.5K0.10%+25,000New
Centiva Capital, LP24,490$928.2K0.05%−2,065−7.8%Reduced
Marex Group plc24,215$917.7K0.13%−4,241−14.9%Reduced
Texas Permanent School Fund23,435$888.2K0.01%−541−2.3%Reduced
Amundi22,979$879.4K0.00%+4,018+21.2%Added
Great West Life Assurance Co22,908$867.0K0.00%−479−2.0%Reduced
Price T Rowe Associates Inc22,566$856.0K0.00%+3,817+20.4%Added
Prelude Capital Management, LLC21,938$831.5K0.08%−3,579−14.0%Reduced
Citigroup Inc21,899$830.0K0.00%−34,212−61.0%Reduced
Greenland Capital Management LP20,998$795.8K0.09%+12,021+133.9%Added
Russell Investments Group, Ltd.19,158$726.1K0.00%+298+1.6%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys18,448$699.2K0.01%−12,332−40.1%Reduced
Mission Wealth Management, LP18,203$689.9K0.03%+33+0.2%Added
Carmignac Gestion18,042$683.8K0.01%+5,822+47.6%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.17,866$677.1K0.00%−524−2.8%Reduced
Keebeck Alpha, LP17,544$664.9K0.65%00.0%Unchanged
State of Alaska, Department of Revenue17,171$650.0K0.01%−750−4.2%Reduced
Illinois Municipal Retirement Fund16,288$617.0K0.01%+16,288New
Group One Trading, L.P.15,835$600.1K0.02%−58,937−78.8%Reduced
Gabelli & Co Investment Advisers, Inc.15,400$583.7K0.09%−300−1.9%Reduced
American International Group, Inc.15,058$570.7K0.00%+339+2.3%Added
MetLife Investment Management14,155$536.5K0.00%00.0%Unchanged
Louisiana State Employees Retirement System14,000$530.6K0.01%−300−2.1%Reduced
Roman Butler Fullerton & Co13,735$525.6K0.25%+13,735New
Yousif Capital Management, LLC13,819$523.7K0.01%−772−5.3%Reduced
Comerica Bank13,275$503.1K0.00%+13,275New
Two Sigma Advisers, LP13,200$500.3K0.00%−100−0.8%Reduced
Public Employees Retirement System of Ohio12,976$492.0K0.00%+92+0.7%Added