IROBOT CORP IRBT
COM · Common Stock · CUSIP 462726100 · ISIN US4627261005
244
institutional holders
28.7m
shares reported held*
$1.6bnreported value*
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.3m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $56.33. Options: 13 managers hold calls ($37.1m notional), 14 hold puts ($22.8m).
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | — | $11.6m205.2k shares |
| GROUP ONE TRADING LLC | — | $7.6m134.3k shares |
| Walleye Trading LLC | — | $7.2m128.7k shares |
| CITADEL ADVISORS LLC | — | $6.6m116.3k shares |
| SIMPLEX TRADING, LLC | — | $1.0m18.4k shares |
| JANE STREET GROUP, LLC | — | $851.0k15.1k shares |
| IMC-Chicago, LLC | — | $631.0k11.2k shares |
| D. E. Shaw & Co., Inc. | — | $563.0k10.0k shares |
| PEAK6 Investments LLC | — | $439.0k7.8k shares |
| Parallax Volatility Advisers, L.P. | — | $389.0k6.9k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | — | $7.9m141.0k shares |
| Parallax Volatility Advisers, L.P. | — | $5.1m90.2k shares |
| CITADEL ADVISORS LLC | — | $3.3m57.9k shares |
| BANK OF AMERICA CORP /DE/ | — | $1.7m30.9k shares |
| PEAK6 Investments LLC | — | $1.4m25.1k shares |
| JANE STREET GROUP, LLC | — | $1.2m21.4k shares |
| Walleye Trading LLC | — | $760.0k13.5k shares |
| SIMPLEX TRADING, LLC | — | $647.0k11.5k shares |
| Hunting Hill Global Capital, LLC | — | $355.0k6.3k shares |
| GROUP ONE TRADING LLC | — | $315.0k5.6k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Holders, Q3 2022
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.01% of their portfolio | 4.5m $254.6m | — |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.9m $162.0m | — |
| PRIMECAP MANAGEMENT CO/CA/ 0.12% of their portfolio | 2.2m $124.2m | — |
| Magnetar Financial LLC 1.17% of their portfolio | 1.5m $84.0m | — |
| ALPINE ASSOCIATES MANAGEMENT INC. 3.47% of their portfolio | 1.5m $83.5m | — |
| PICTET ASSET MANAGEMENT SA 0.09% of their portfolio | 1.1m $62.8m | — |
| STATE STREET CORP 0.00% of their portfolio | 977.5k $55.1m | — |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 861.8k $48.5m | — |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 774.2k $43.6m | — |
| ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio | 689.3k $38.8m | — |
| WATER ISLAND CAPITAL LLC 2.01% of their portfolio | 629.0k $35.4m | — |
| AQR Arbitrage LLC 0.77% of their portfolio | 617.3k $34.8m | — |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 608.8k $34.3m | — |
| BAILLIE GIFFORD & CO 0.03% of their portfolio | 551.8k $31.1m | — |
| MORGAN STANLEY 0.00% of their portfolio | 525.5k $29.6m | — |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 483.3k $27.2m | — |
| Versor Investments LP 1.30% of their portfolio | 387.7k $21.8m | — |
| Calamos Advisors LLC 0.10% of their portfolio | 368.7k $20.8m | — |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 339.5k $19.1m | — |
| DISCIPLINED GROWTH INVESTORS INC /MN 0.52% of their portfolio | 332.1k $18.7m | — |
| Bank of New York Mellon Corp 0.00% of their portfolio | 292.9k $16.5m | — |
| NORTHERN TRUST CORP 0.00% of their portfolio | 286.7k $16.1m | — |
| HSBC HOLDINGS PLC 0.03% of their portfolio | 252.3k $14.3m | — |
| NEXPOINT ASSET MANAGEMENT, L.P. 0.85% of their portfolio | 226.5k $12.8m | — |
| Segantii Capital Management Ltd 0.44% of their portfolio | 225.0k $12.7m | — |
| Mirae Asset Global Investments Co., Ltd. 0.03% of their portfolio | 200.9k $11.3m | — |
| Woodline Partners LP 0.14% of their portfolio | 171.9k $9.7m | — |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 168.6k $9.5m | — |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 161.6k $9.1m | — |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 155.6k $8.8m | — |
| CREDIT SUISSE AG/ 0.01% of their portfolio | 154.2k $8.7m | — |
| CITIGROUP INC 0.01% of their portfolio | 152.5k $8.6m | — |
| Candriam S.C.A. 0.06% of their portfolio | 150.6k $8.5m | — |
| GABELLI FUNDS LLC 0.07% of their portfolio | 144.9k $8.2m | — |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 140.0k $7.9m | — |
| Ergoteles LLC 0.28% of their portfolio | 139.1k $7.8m | — |
| SYQUANT CAPITAL SAS 4.58% of their portfolio | 134.0k $7.5m | — |
| Brandywine Global Investment Management, LLC 0.07% of their portfolio | 126.8k $7.1m | — |
| Crabel Capital Management, LLC 4.15% of their portfolio | 126.0k $7.1m | — |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 117.2k $6.6m | — |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 116.4k $6.6m | — |
| Chicago Capital Management, LLC 3.52% of their portfolio | 115.0k $6.5m | — |
| New York Life Investment Management LLC 0.08% of their portfolio | 113.2k $6.4m | — |
| NORGES BANK 0.00% of their portfolio | 101.0k $5.7m | — |
| Invesco Ltd. 0.00% of their portfolio | 94.7k $5.3m | — |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.27% of their portfolio | 94.2k $5.3m | — |
| HRT FINANCIAL LP 0.05% of their portfolio | 87.4k $4.9m | — |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 82.4k $4.6m | — |
| Legal & General Group Plc 0.00% of their portfolio | 76.9k $4.3m | — |
| Bridgewater Associates, LP 0.02% of their portfolio | 74.7k $4.2m | — |
| Olympiad Research LP 2.07% of their portfolio | 68.3k $3.9m | — |
| DUPONT CAPITAL MANAGEMENT CORP 0.23% of their portfolio | 67.5k $3.8m | — |
| Swiss National Bank 0.00% of their portfolio | 64.3k $3.6m | — |
| CAPITAL FUND MANAGEMENT S.A. 0.09% of their portfolio | 63.1k $3.6m | — |
| Hudson Bay Capital Management LP 0.04% of their portfolio | 62.2k $3.5m | — |
| SHELL ASSET MANAGEMENT CO 0.13% of their portfolio | 60.1k $3.4m | — |
| WOLVERINE ASSET MANAGEMENT LLC 0.05% of their portfolio | 57.9k $3.3m | — |
| K2 PRINCIPAL FUND, L.P. 0.73% of their portfolio | 53.8k $3.0m | — |
| GABELLI & Co INVESTMENT ADVISERS, INC. 0.38% of their portfolio | 52.2k $2.9m | — |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 50.9k $2.9m | — |
| Alberta Investment Management Corp 0.02% of their portfolio | 50.6k $2.9m | — |
| Public Sector Pension Investment Board 0.02% of their portfolio | 49.9k $2.8m | — |
| GAMCO INVESTORS, INC. ET AL 0.03% of their portfolio | 49.2k $2.8m | — |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 48.1k $2.7m | — |
| COMMONWEALTH EQUITY SERVICES, LLC 0.01% of their portfolio | 45.2k $2.5m | — |
| GSA CAPITAL PARTNERS LLP 0.34% of their portfolio | 45.1k $2.5m | — |
| Yakira Capital Management, Inc. 0.36% of their portfolio | 44.0k $2.5m | — |
| Trexquant Investment LP 0.08% of their portfolio | 41.6k $2.3m | — |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 39.7k $2.2m | — |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 37.9k $2.1m | — |
| Amundi 0.00% of their portfolio | 35.4k $2.0m | — |
| FIFTH LANE CAPITAL, LP 1.12% of their portfolio | 35.0k $2.0m | — |
| EHP Funds Inc. 0.43% of their portfolio | 35.0k $2.0m | — |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 34.8k $2.0m | — |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 33.9k $1.9m | — |
| CANADA LIFE ASSURANCE Co 0.01% of their portfolio | 33.3k $1.9m | — |
| WINTON GROUP Ltd 0.12% of their portfolio | 33.0k $1.9m | — |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 32.0k $1.8m | — |
| Walleye Capital LLC 0.04% of their portfolio | 31.1k $1.8m | — |
| Mint Tower Capital Management B.V. 0.16% of their portfolio | 30.7k $1.7m | — |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.01% of their portfolio | 30.6k $1.7m | — |
| UBS Group AG 0.00% of their portfolio | 28.2k $1.6m | — |
| Thrivent Financial for Lutherans 0.00% of their portfolio | 28.1k $1.6m | — |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 27.6k $1.6m | — |
| Lombard Odier Asset Management (USA) Corp 0.22% of their portfolio | 27.5k $1.5m | — |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 26.1k $1.5m | — |
| Parallax Volatility Advisers, L.P. 0.03% of their portfolio | 25.9k $1.5m | — |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 25.3k $1.4m | — |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.01% of their portfolio | 24.8k $1.4m | — |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 24.7k $1.4m | — |
| Shay Capital LLC 0.67% of their portfolio | 23.9k $1.3m | — |
| Northwest & Ethical Investments L.P. 0.05% of their portfolio | 23.1k $1.3m | — |
| YOUSIF CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 22.0k $1.2m | — |
| ALPS ADVISORS INC 0.01% of their portfolio | 21.5k $1.2m | — |
| COMERICA BANK 0.01% of their portfolio | 21.5k $1.2m | — |
| BCK CAPITAL MANAGEMENT LP 0.87% of their portfolio | 21.5k $1.2m | — |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 20.1k $1.1m | — |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 20.0k $1.1m | — |
| SARISSA CONSULTING LLC 1.14% of their portfolio | 19.6k $1.1m | — |
| TEXAS PERMANENT SCHOOL FUND CORP 0.02% of their portfolio | 19.6k $1.1m | — |