We are live on ! Find out more
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
Primecap Management
1
Primecap Management
California
$346M -$2.82M -31,100 -0.7%
BlackRock
2
BlackRock
New York
$330M +$3.47M +38,284 +1%
Vanguard Group
3
Vanguard Group
Pennsylvania
$228M +$7.29M +80,390 +3%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$217M +$16M +176,245 +7%
State Street
5
State Street
Massachusetts
$82.2M -$5.03M -55,501 -5%
O
6
OppenheimerFunds
New York
$75.9M +$14.9K +164 +0%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$66.7M +$64M +706,189 +781%
Baillie Gifford & Co
8
Baillie Gifford & Co
United Kingdom
$59.5M +$1.21M +13,335 +2%
CS
9
Credit Suisse
Switzerland
$57.1M +$30.4M +335,522 +97%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$55M -$2.19M -24,200 -4%
Mirae Asset Global Investments
11
Mirae Asset Global Investments
South Korea
$48.7M -$11.6M -128,380 -18%
Ameriprise
12
Ameriprise
Minnesota
$47.5M +$12.1M +133,085 +31%
Norges Bank
13
Norges Bank
Norway
$33.8M +$1.84M +20,298 +5%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$33.5M -$1.94M -21,367 -5%
Lord, Abbett & Co
15
Lord, Abbett & Co
New Jersey
$31.3M +$1.64M +18,052 +5%
DGI
16
Disciplined Growth Investors
Minnesota
$31M +$453 +5 +0%
Northern Trust
17
Northern Trust
Illinois
$30.4M -$201K -2,213 -0.6%
VOYA Investment Management
18
VOYA Investment Management
Georgia
$29.8M +$14.5M +159,726 +81%
CCI
19
Columbus Circle Investors
$28.4M +$11.8M +130,362 +63%
UBS Group
20
UBS Group
Switzerland
$25.9M +$25.9M +285,758 +1,198%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$25.7M -$384K -4,239 -1%
RCAMU
22
Rothschild & Co Asset Management US
Connecticut
$21.4M -$292K -3,221 -1%
Legal & General Group
23
Legal & General Group
United Kingdom
$21.1M -$1.62M -17,852 -7%
VIA
24
Vident Investment Advisory
Georgia
$20.5M -$8.44M -93,144 -28%
Morgan Stanley
25
Morgan Stanley
New York
$20M -$53M -584,972 -71%

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.