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IRBT

iRobot

Delisted

IRBT was delisted on the 19th of December, 2025.

254 hedge funds and large institutions have $2.33B invested in iRobot in 2018 Q4 according to their latest regulatory filings, with 48 funds opening new positions, 79 increasing their positions, 74 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 24 (+2)

3.24% more ownership

Funds ownership: 99.95%103.18% (+3.2%)

9% more first-time investments, than exits

New positions opened: 48 | Existing positions closed: 44

7% more repeat investments, than reductions

Existing positions increased: 79 | Existing positions reduced: 74

0% more funds holding

Funds holding: 253254 (+1)

23% less capital invested

Capital invested by funds: $3.01B → $2.33B (-$677M)

74% less call options, than puts

Call options by funds: $72.3M | Put options by funds: $278M

Holders
254
Holders Change
+1
Holders Change %
+0.4%
% of All Funds
5.66%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.09%
New
48
Increased
79
Reduced
74
Closed
44
Calls
$72.3M
Puts
$278M
Net Calls
-$206M
Net Calls Change
-$5.95M
Name Holding Trade Value Shares
Change
Change in
Stake
CG
151
Cutler Group
California
$308K +$245K +2,700 +274%
Zurich Cantonal Bank
152
Zurich Cantonal Bank
Switzerland
$306K
ProShare Advisors
153
ProShare Advisors
Maryland
$303K -$30.6K -338 -9%
Cambridge Investment Research Advisors
154
Cambridge Investment Research Advisors
Iowa
$295K -$441K -4,863 -58%
EVM
155
Eaton Vance Management
Massachusetts
$294K +$16.2K +179 +5%
AQR Capital Management
156
AQR Capital Management
Connecticut
$289K +$313K +3,456 New
TAM
157
Tyers Asset Management
Texas
$286K
MIFH
158
Migdal Insurance & Financial Holdings
Israel
$281K -$332K -3,662 -52%
Envestnet Asset Management
159
Envestnet Asset Management
Illinois
$277K +$299K +3,304 New
Janney Montgomery Scott
160
Janney Montgomery Scott
Pennsylvania
$257K -$29.1K -321 -9%
CBA
161
Coastal Bridge Advisors
Connecticut
$255K
RHBC
162
R.H. Bluestein & Co
Michigan
$254K
MWM
163
Modera Wealth Management
New Jersey
$251K
MPPLM
164
Midwest Professional Planners Ltd (MPPL)
Wisconsin
$251K +$6.16K +68 +2%
FMT
165
First Mercantile Trust
Tennessee
$251K +$90.5K +999 +50%
MML Investors Services
166
MML Investors Services
Massachusetts
$244K -$470K -5,187 -64%
SCM
167
Shelton Capital Management
Colorado
$234K
RCM
168
Riverhead Capital Management
Delaware
$229K
Arrowstreet Capital
169
Arrowstreet Capital
Massachusetts
$220K +$238K +2,631 New
WG
170
Winton Group
United Kingdom
$213K +$2.54K +28 +1%
GHCM
171
Glen Harbor Capital Management
California
$208K
LIA
172
LS Investment Advisors
Michigan
$204K +$53.7K +592 +32%
Janus Henderson Group
173
Janus Henderson Group
United Kingdom
$200K -$89.5K -988 -29%
AIP
174
Ameritas Investment Partners
Nebraska
$186K
Mitsubishi UFJ Asset Management
175
Mitsubishi UFJ Asset Management
Japan
$168K -$25.5K -281 -12%

IRBT Hedge Fund Activity: Q4 2018 in Review

254 of the 4,489 institutional investors tracked by Wall St. Rank reported a position in iRobot (IRBT) for Q4 2018, worth a combined $2.33B — down 23% from $3.01B a quarter earlier.

Buyers outnumbered sellers: 48 funds opened new IRBT positions and 44 closed out — a net gain of 4 holders — while 79 added to existing stakes and 74 trimmed.

The largest buyer was Wellington Management Group, adding an estimated $64M. The largest seller was Morgan Stanley, cutting an estimated $53M.

  • 254 institutional investors held iRobot (IRBT) as of Q4 2018, up from 253 in Q3 2018.
  • Funds reported $2.33B of iRobot stock for Q4 2018, down 23% quarter-over-quarter.
  • 48 funds opened new iRobot positions in Q4 2018 and 44 closed out, a net change of +4 holders.
  • The largest iRobot buyer in Q4 2018 was Wellington Management Group, an estimated $64M added.
  • The largest iRobot seller in Q4 2018 was Morgan Stanley, an estimated $53M sold.

Based on aggregated 13F filings for Q4 2018.