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IRBT

iRobot

Delisted

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

229 hedge funds and large institutions have $1.6B invested in iRobot in 2017 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 80 increasing their positions, 78 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more funds holding in top 10

Funds holding in top 10: 14 (+3)

25% more capital invested

Capital invested by funds: $1.28B → $1.6B (+$318M)

7.91% more ownership

Funds ownership: 80.56%88.47% (+7.9%)

9% more first-time investments, than exits

New positions opened: 36 | Existing positions closed: 33

3% more repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 78

2% less funds holding

Funds holding: 233229 (-4)

21% less call options, than puts

Call options by funds: $12.8M | Put options by funds: $16.2M

Holders
229
Holders Change
-4
Holders Change %
-1.72%
% of All Funds
5.7%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.1%
New
36
Increased
80
Reduced
78
Closed
33
Calls
$12.8M
Puts
$16.2M
Net Calls
-$3.43M
Net Calls Change
-$8.28M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$218M +$195M +3,300,668 +124,695%
Vanguard Group
2
Vanguard Group
Pennsylvania
$196M +$37.7M +637,890 +27%
CWAM
3
Columbia Wanger Asset Management
Illinois
$91.2M +$7.75M +131,030 +11%
O
4
OppenheimerFunds
New York
$73.7M +$522K +8,824 +0.8%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$62.7M +$3.34M +56,545 +6%
PAMU
6
Pictet Asset Management (UK)
United Kingdom
$61.7M +$27.8M +470,347 +102%
Lord, Abbett & Co
7
Lord, Abbett & Co
New Jersey
$46.7M -$43.3M -731,690 -51%
Baillie Gifford & Co
8
Baillie Gifford & Co
United Kingdom
$43.8M +$2.72M +46,047 +7%
State Street
9
State Street
Massachusetts
$42.1M +$2.81M +47,583 +8%
Fidelity Investments
10
Fidelity Investments
Massachusetts
$37.8M -$9.95M -168,147 -23%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$33.7M +$30.1M +509,097 New
Bank of New York Mellon
12
Bank of New York Mellon
New York
$31M -$4.79M -80,949 -15%
Wellington Management Group
13
Wellington Management Group
Massachusetts
$28.2M +$16.9M +286,510 +204%
DGI
14
Disciplined Growth Investors
Minnesota
$25.4M -$53.2K -900 -0.2%
Northern Trust
15
Northern Trust
Illinois
$23.4M +$60.3K +1,019 +0.3%
Acadian Asset Management
16
Acadian Asset Management
Massachusetts
$22.6M -$79.6K -1,346 -0.4%
KCM
17
Kennedy Capital Management
Missouri
$20.8M -$9.61M -162,509 -34%
Loomis, Sayles & Company
18
Loomis, Sayles & Company
Massachusetts
$17.1M -$3.21M -54,353 -17%
RCAMU
19
Rothschild & Co Asset Management US
Connecticut
$16.4M +$14.6M +247,571 New
Renaissance Technologies
20
Renaissance Technologies
New York
$16.2M +$14.4M +244,304 New
CCI
21
Columbus Circle Investors
$16M -$13.9M -234,917 -49%
Principal Financial Group
22
Principal Financial Group
Iowa
$15.3M +$495K +8,372 +4%
SAM
23
Shell Asset Management
Netherlands
$15.2M -$3.07M -51,968 -18%
Ameriprise
24
Ameriprise
Minnesota
$15M +$729K +12,328 +6%
Russell Investments Group
25
Russell Investments Group
United Kingdom
$15M +$737K +12,466 +6%

IRBT Hedge Fund Activity: Q1 2017 in Review

229 of the 4,018 institutional investors tracked by Wall St. Rank reported a position in iRobot (IRBT) for Q1 2017, worth a combined $1.6B — up 25% from $1.28B a quarter earlier.

Buyers outnumbered sellers: 36 funds opened new IRBT positions and 33 closed out — a net gain of 3 holders — while 80 added to existing stakes and 78 trimmed.

The largest buyer was BlackRock, adding an estimated $195M. The largest seller was Lord, Abbett & Co, cutting an estimated $43.3M.

  • 229 institutional investors held iRobot (IRBT) as of Q1 2017, down from 233 in Q4 2016.
  • Funds reported $1.6B of iRobot stock for Q1 2017, up 25% quarter-over-quarter.
  • 36 funds opened new iRobot positions in Q1 2017 and 33 closed out, a net change of +3 holders.
  • The largest iRobot buyer in Q1 2017 was BlackRock, an estimated $195M added.
  • The largest iRobot seller in Q1 2017 was Lord, Abbett & Co, an estimated $43.3M sold.

Based on aggregated 13F filings for Q1 2017.