Vault-13

IROBOT CORP IRBT

COM · Common Stock · CUSIP 462726100 · ISIN US4627261005

216 institutional holders +6 vs Q2 2023
23,044,58723.0m shares reported held*
$872.7mreported value*
28 new 54 added 69 reduced 25 sold out net sold ≈ $35.0m (-922.8k shares)

* 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 ($831.5k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $37.87. Options: 22 managers hold calls ($63.3m notional), 25 hold puts ($99.5m).

Trends to Q3 2023

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 244Q4 22: 244Q1 23: 220Q2 23: 210Q3 23: 216216Q3 22Q4 22Q1 23Q2 23Q3 23
Numbers
QuarterHolders
Q3 2022244
Q4 2022244
Q1 2023220
Q2 2023210
Q3 2023216

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 22: 94 bought or addedQ4 22: 119 cut or sold outQ4 22Q1 23: 87 bought or addedQ1 23: 122 cut or sold outQ1 23Q2 23: 79 bought or addedQ2 23: 118 cut or sold outQ2 23Q3 23: 82 bought or addedQ3 23: 94 cut or sold outQ3 23
Numbers
QuarterBought or addedCut or sold out
Q4 202294119
Q1 202387122
Q2 202379118
Q3 20238294

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50m$100m$150mQ4 22 calls: $31.1mQ4 22 puts: $57.1mQ4 22P/C 1.83Q1 23 calls: $41.6mQ1 23 puts: $90.2mQ1 23P/C 2.17Q2 23 calls: $62.1mQ2 23 puts: $108.1mQ2 23P/C 1.74Q3 23 calls: $63.3mQ3 23 puts: $99.5mQ3 23P/C 1.57
Numbers
QuarterCallsPutsP/C
Q4 2022$31.1m$57.1m1.83
Q1 2023$41.6m$90.2m2.17
Q2 2023$62.1m$108.1m1.74
Q3 2023$63.3m$99.5m1.57

Biggest buyers

Segantii Capital Management Ltd New +450,000+450.0k
NORGES BANK Added +180,000+180.0k
Pentwater Capital Management LP Added +166,000+166.0k
Hudson Bay Capital Management LP New +132,414+132.4k
MILLENNIUM MANAGEMENT LLC Added +122,639+122.6k
CITADEL ADVISORS LLC Added +95,493+95.5k
One Fin Capital Management LP Added +65,000+65.0k
Silphium Asset Management Ltd New +50,000+50.0k
Weiss Asset Management LP New +45,089+45.1k
Caption Management, LLC New +44,696+44.7k

Biggest sellers

CREDIT SUISSE AG/ Reduced -725,195-725.2k
JPMORGAN CHASE & CO Reduced -219,056-219.1k
TIG Advisors, LLC Sold out -201,282-201.3k
READYSTATE ASSET MANAGEMENT LP Sold out -198,434-198.4k
JANE STREET GROUP, LLC Reduced -180,676-180.7k
WELLINGTON MANAGEMENT GROUP LLP Sold out -176,030-176.0k
Versor Investments LP Reduced -97,701-97.7k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -88,074-88.1k
GOLDMAN SACHS GROUP INC Reduced -77,552-77.6k
Calamos Advisors LLC Reduced -70,783-70.8k

Biggest calls

Maven Securities LTD Added $20.3m536.3k shares
MILLENNIUM MANAGEMENT LLC Added $7.9m208.3k shares
P SCHOENFELD ASSET MANAGEMENT LP New $5.7m150.0k shares
Berry Street Capital Management LLP New $4.7m125.0k shares
LMR Partners LLP Added $3.8m100.0k shares
JANE STREET GROUP, LLC Reduced $3.0m80.3k shares
Caption Management, LLC New $2.8m75.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $2.4m63.8k shares
Walleye Trading LLC Reduced $2.3m61.0k shares
CITADEL ADVISORS LLC Reduced $2.0m53.4k shares

Biggest puts

GROUP ONE TRADING LLC Reduced $17.7m467.7k shares
GTS SECURITIES LLC New $12.7m334.4k shares
Pentwater Capital Management LP Added $9.1m241.2k shares
MILLENNIUM MANAGEMENT LLC Added $8.9m234.3k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $7.8m206.5k shares
FourWorld Capital Management LLC Added $7.6m200.0k shares
SIMPLEX TRADING, LLC Added $7.4m194.0k shares
Maven Securities LTD Reduced $6.2m164.1k shares
JANE STREET GROUP, LLC Reduced $4.5m119.1k shares
TUDOR INVESTMENT CORP ET AL New $3.8m100.0k 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 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.01% of their portfolio New York, NY 4,636,7964.6m $175.7m $175.7m 0.01% Reduced -40.2k -40,215
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,952,9213.0m $111.9m $111.9m 0.00% Added +19.9k +19,910
3 PRIMECAP MANAGEMENT CO/CA/ 0.06% of their portfolio PASADENA, CA 1,793,7551.8m $68.0m $68.0m 0.06% Reduced -32.8k -32,798
4 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,128,6531.1m $42.8m $42.8m 0.00% Added +24.0k +24,025
5 ALPINE ASSOCIATES MANAGEMENT INC. 1.91% of their portfolio PALM BEACH, FL 962,339962.3k $36.5m $36.5m 1.91% Added +5.4k +5,400
6 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 602,319602.3k $22.8m $22.8m 0.00% Reduced -46.1k -46,056
7 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 573,425573.4k $21.7m $21.7m 0.01% Added +11.2k +11,188
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 566,266566.3k $21.5m $21.5m 0.00% Added +19.3k +19,258
9 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 452,020452.0k $17.1m $17.1m 0.00% Added +40.9k +40,943
10 Segantii Capital Management Ltd 0.64% of their portfolio HONG KONG, K3 450,000450.0k $17.1m $17.1m 0.64% New
11 One Fin Capital Management LP 5.56% of their portfolio San Francisco, CA 362,000362.0k $13.7m $13.7m 5.56% Added +65.0k +65,000
12 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 360,543360.5k $13.7m $13.7m 0.00% Reduced -77.6k -77,552
13 Calamos Advisors LLC 0.07% of their portfolio NAPERVILLE, IL 343,719343.7k $13.0m $13.0m 0.07% Reduced -70.8k -70,783
14 DISCIPLINED GROWTH INVESTORS INC /MN 0.30% of their portfolio MINNEAPOLIS, MN 337,709337.7k $12.8m $12.8m 0.30% Reduced -2.7k -2,739
15 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio WEST SACRAMENTO, CA 329,219329.2k $12.5m $12.5m 0.02% Reduced -3.0k -2,974
16 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 313,963314.0k $11.9m $11.9m 0.01% Reduced -10.4k -10,420
17 Mirae Asset Global Investments Co., Ltd. 0.03% of their portfolio SEOUL, M5 311,961312.0k $11.8m $11.8m 0.03% Reduced -1.5k -1,485
18 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 298,230298.2k $11.3m $11.3m 0.00% Reduced -1.9k -1,922
19 HSBC HOLDINGS PLC 0.01% of their portfolio LONDON, X0 296,516296.5k $11.4m $11.4m 0.01% Added +45 +45
20 Magnetar Financial LLC 0.25% of their portfolio EVANSTON, IL 254,349254.3k $9.6m $9.6m 0.25% Added +6.2k +6,202
21 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 253,031253.0k $9.6m $9.6m 0.00% Reduced -38.7k -38,722
22 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 252,988253.0k $9.6m $9.6m 0.00% Reduced -6.7k -6,650
23 MARSHALL WACE, LLP 0.02% of their portfolio LONDON, X0 251,246251.2k $9.5m $9.5m 0.02% Reduced -8.9k -8,854
24 BAILLIE GIFFORD & CO 0.01% of their portfolio EDINBURGH, X0 242,000242.0k $9.2m $9.2m 0.01% Reduced -27.6k -27,636
25 AQR Arbitrage LLC 0.38% of their portfolio Greenwich, CT 221,300221.3k $8.4m $8.4m 0.38% Reduced -4.1k -4,076
26 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 210,482210.5k $8.0m $8.0m 0.01% Added +122.6k +122,639
27 NORGES BANK 0.00% of their portfolio OSLO, Q8 201,012201.0k $7.6m $7.6m 0.00% Added +180.0k +180,000
28 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 200,479200.5k $7.6m $7.6m 0.01% Added +95.5k +95,493
29 Pentwater Capital Management LP 0.07% of their portfolio Naples, FL 190,000190.0k $7.2m $7.2m 0.07% Added +166.0k +166,000
30 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 173,880173.9k $6.6m $6.6m 0.00% Added +1.1k +1,093
31 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 168,429168.4k $6.4m $6.4m 0.01% Reduced -88.1k -88,074
32 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 147,583147.6k $5.6m $5.6m 0.00% Reduced -7.4k -7,413
33 HRT FINANCIAL LP 0.06% of their portfolio NEW YORK, NY 143,786143.8k $5.4m $5.4m 0.06% Added +23.0k +23,016
34 Hudson Bay Capital Management LP 0.02% of their portfolio STAMFORD, CT 132,414132.4k $5.0m $5.0m 0.02% New
35 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 110,474110.5k $4.2m $4.2m 0.00% Added +2.8k +2,781
36 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 108,007108.0k $4.1m $4.1m 0.00% Reduced -725.2k -725,195
37 Versor Investments LP 0.79% of their portfolio New York, NY 102,749102.7k $3.9m $3.9m 0.79% Reduced -97.7k -97,701
38 Allianz Asset Management GmbH 0.01% of their portfolio MUNICH, 2M 95,17895.2k $3.6m $3.6m 0.01% Added +6.8k +6,819
39 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 87,96588.0k $3.3m $3.3m 0.00% Added +602 +602
40 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio TORONTO, A6 85,00085.0k $3.2m $3.2m 0.01% Unchanged
41 GABELLI FUNDS LLC 0.03% of their portfolio Rye, NY 81,95182.0k $3.1m $3.1m 0.03% Reduced -10.2k -10,200
42 Public Sector Pension Investment Board 0.02% of their portfolio MONTREAL, A8 81,10681.1k $3.1m $3.1m 0.02% Reduced -14.2k -14,228
43 Legal & General Group Plc 0.00% of their portfolio London, X0 79,34479.3k $3.0m $3.0m 0.00% Added +137 +137
44 Chicago Capital Management, LLC 5.38% of their portfolio CHICAGO, IL 78,18578.2k $2.0m $2.0m 5.38% Reduced -37.1k -37,128
45 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 65,49265.5k $2.5m $2.5m 0.00% Added +13.0k +12,980
46 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 61,83661.8k $2.3m $2.3m 0.01% Added +44.1k +44,075
47 CAPITAL FUND MANAGEMENT S.A. 0.03% of their portfolio PARIS, I0 61,65961.7k $2.3m $2.3m 0.03% Reduced -495 -495
48 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 60,65460.7k $2.3m $2.3m 0.00% Reduced -180.7k -180,676
49 Swiss National Bank 0.00% of their portfolio ZURICH, V8 57,70057.7k $2.2m $2.2m 0.00% Added +600 +600
50 GTS SECURITIES LLC 0.05% of their portfolio NEW YORK, NY 57,19257.2k $2.2m $2.2m 0.05% Added +38.7k +38,693
51 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 51,67651.7k $2.0m $2.0m 0.00% Reduced -219.1k -219,056
52 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 51,51251.5k $2.0m $2.0m 0.00% Added +2.6k +2,611
53 Silphium Asset Management Ltd 0.62% of their portfolio London, X0 50,00050.0k $1.9m $1.9m 0.62% New
54 UBS Group AG 0.00% of their portfolio ZURICH, V8 46,06946.1k $1.7m $1.7m 0.00% Reduced -5.3k -5,348
55 Weiss Asset Management LP 0.14% of their portfolio BOSTON, MA 45,08945.1k $1.7m $1.7m 0.14% New
56 Caption Management, LLC 0.22% of their portfolio OKLAHOMA CITY, OK 44,69644.7k $1.7m $1.7m 0.22% New
57 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 39,86739.9k $1.5m $1.5m 0.00% Added +2.1k +2,074
58 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 38,72938.7k $1.5m $1.5m 0.00% Added +10.3k +10,349
59 First Trust Capital Management L.P. 0.08% of their portfolio CHICAGO, IL 38,62738.6k $1.5m $1.5m 0.08% Reduced -7.0k -7,039
60 GAMCO INVESTORS, INC. ET AL 0.02% of their portfolio GREENWICH, CT 38,32538.3k $1.5m $1.5m 0.02% Reduced -10.8k -10,800
61 SIMPLEX TRADING, LLC 0.05% of their portfolio CHICAGO, IL 36,16036.2k $1.4m $1.4m 0.05% Added +30.0k +29,990
62 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 32,32532.3k $1.2m $1.2m 0.00% Reduced -1.4k -1,360
63 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio ALBANY, NY 30,77930.8k $1.2m $1.2m 0.00% Reduced -300 -300
64 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 30,60030.6k $1.2m $1.2m 0.00% Reduced -52.0k -52,000
65 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 30,54730.5k $1.2m $1.2m 0.00% Added +8.9k +8,917
66 Candriam S.C.A. 0.01% of their portfolio STRASSEN, N4 29,76929.8k $1.1m $1.1m 0.01% Unchanged
67 Squarepoint Ops LLC 0.01% of their portfolio NEW YORK, NY 29,33729.3k $1.1m $1.1m 0.01% New
68 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 27,70427.7k $1.0m $1.0m 0.00% Reduced -37.4k -37,392
69 ALPS ADVISORS INC 0.01% of their portfolio Denver, CO 27,33727.3k $1.0m $1.0m 0.01% Reduced -160 -160
70 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 25,49825.5k $966.4k $966.4k 0.00% Added +8.2k +8,196
71 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 25,24325.2k $957.0k $957.0k 0.00% Reduced -806 -806
72 Maven Securities LTD 0.10% of their portfolio ST HELIER, Y9 25,00025.0k $947.5k $947.5k 0.10% New
73 Murchinson Ltd. 0.14% of their portfolio TORONTO, A6 25,00025.0k $947.5k $947.5k 0.14% Unchanged
74 Centiva Capital, LP 0.05% of their portfolio New York, NY 24,49024.5k $928.2k $928.2k 0.05% Reduced -2.1k -2,065
75 Marex Group Ltd 0.13% of their portfolio London, X0 24,21524.2k $917.7k $917.7k 0.13% Reduced -4.2k -4,241
76 TEXAS PERMANENT SCHOOL FUND CORP 0.01% of their portfolio AUSTIN, TX 23,43523.4k $888.2k $888.2k 0.01% Reduced -541 -541
77 Amundi 0.00% of their portfolio Paris, I0 22,97923.0k $879.4k $879.4k 0.00% Added +4.0k +4,018
78 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 22,90822.9k $867.0k $867.0k 0.00% Reduced -479 -479
79 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 22,56622.6k $856.0k $856.0k 0.00% Added +3.8k +3,817
80 PRELUDE CAPITAL MANAGEMENT, LLC 0.08% of their portfolio NEW YORK, NY 21,93821.9k $831.5k $831.5k 0.08% Reduced -3.6k -3,579
81 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 21,89921.9k $830.0k $830.0k 0.00% Reduced -34.2k -34,212
82 Greenland Capital Management LP 0.09% of their portfolio NEW YORK, NY 20,99821.0k $795.8k $795.8k 0.09% Added +12.0k +12,021
83 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 19,15819.2k $726.1k $726.1k 0.00% Added +298 +298
84 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.01% of their portfolio HARRISBURG, PA 18,44818.4k $699.2k $699.2k 0.01% Reduced -12.3k -12,332
85 MISSION WEALTH MANAGEMENT, LP 0.03% of their portfolio Santa Barbara, CA 18,20318.2k $689.9k $689.9k 0.03% Added +33 +33
86 Carmignac Gestion 0.01% of their portfolio PARIS, I0 18,04218.0k $683.8k $683.8k 0.01% Added +5.8k +5,822
87 Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio TOKYO, M0 17,86617.9k $677.1k $677.1k 0.00% Reduced -524 -524
88 Olympiad Research LP 0.65% of their portfolio Stamford, CT 17,54417.5k $664.9k $664.9k 0.65% Unchanged
89 State of Alaska, Department of Revenue 0.01% of their portfolio JUNEAU, AK 17,17117.2k $650.0k $650.0k 0.01% Reduced -750 -750
90 Illinois Municipal Retirement Fund 0.01% of their portfolio OAK BROOK, IL 16,28816.3k $617.0k $617.0k 0.01% New
91 GROUP ONE TRADING LLC 0.02% of their portfolio CHICAGO, IL 15,83515.8k $600.1k $600.1k 0.02% Reduced -58.9k -58,937
92 GABELLI & Co INVESTMENT ADVISERS, INC. 0.09% of their portfolio Rye, NY 15,40015.4k $583.7k $583.7k 0.09% Reduced -300 -300
93 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 15,05815.1k $570.7k $570.7k 0.00% Added +339 +339
94 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 14,15514.2k $536.5k $536.5k 0.00% Unchanged
95 Louisiana State Employees Retirement System 0.01% of their portfolio BATON ROUGE, LA 14,00014.0k $530.6k $530.6k 0.01% Reduced -300 -300
96 YOUSIF CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BLOOMFIELD HILLS, MI 13,81913.8k $523.7k $523.7k 0.01% Reduced -772 -772
97 ROMAN BUTLER FULLERTON & CO 0.25% of their portfolio ST LOUIS, MO 13,73513.7k $525.6k $525.6k 0.25% New
98 COMERICA BANK 0.00% of their portfolio DALLAS, TX 13,27513.3k $503.1k $503.1k 0.00% New
99 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 13,20013.2k $500.3k $500.3k 0.00% Reduced -100 -100
100 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 12,97613.0k $492.0k $492.0k 0.00% Added +92 +92