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iRobot
IRBT

Overview Fund Activity

147 hedge funds and large institutions have $44.9M invested in iRobot in 2025 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 48 increasing their positions, 40 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
147
Holders Change
-16
Holders Change %
-9.82%
% of All Funds
2%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
20
Increased
48
Reduced
40
Closed
33
Calls
$3.49M
Puts
$2.72M
Net Calls
+$768K
Net Calls Change
-$5.52M

Top Buyers

1
Marshall Wace
Marshall Wace
United Kingdom
+$2.74M
2
PAG
Private Advisor Group
New Jersey
+$950K
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$788K
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$643K
5
Deutsche Bank
Deutsche Bank
Germany
+$635K

Top Sellers

1
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
-$6.52M
2
Primecap Management
Primecap Management
California
-$2.36M
3
SC
Sculptor Capital
New York
-$1.71M
4
Ameriprise
Ameriprise
Minnesota
-$1.59M
5
GC
GMT Capital
Georgia
-$1.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Advisers
26
Two Sigma Advisers
New York
$541K -$1.02M -377,900 -65%
Jane Street
27
Jane Street
New York
$486K +$159K +59,039 +49%
XT
28
XTX Topco
Cayman Islands
$472K +$329K +121,799 +230%
Susquehanna International Group
29
Susquehanna International Group
Pennsylvania
$465K -$270K -100,096 -37%
Bank of New York Mellon
30
Bank of New York Mellon
New York
$359K +$26.2K +9,688 +8%
GCP
31
GSA Capital Partners
United Kingdom
$323K +$323K +119,584 New
IMC Chicago
32
IMC Chicago
Illinois
$321K +$202K +74,886 +170%
GCIA
33
Gabelli & Co Investment Advisers
New York
$258K +$54K +20,000 +26%
Mitsubishi UFJ Asset Management
34
Mitsubishi UFJ Asset Management
Japan
$251K +$11.1K +4,095 +5%
NL
35
Nuveen LLC
North Carolina
$231K +$231K +85,623 New
BNP Paribas Financial Markets
36
BNP Paribas Financial Markets
France
$223K +$182K +67,465 +449%
Simplex Trading
37
Simplex Trading
Illinois
$221K +$150K +55,824 +213%
Ameriprise
38
Ameriprise
Minnesota
$220K -$1.59M -589,859 -88%
Wolverine Trading
39
Wolverine Trading
Illinois
$179K +$70.3K +24,956 +64%
Focus Partners Wealth
40
Focus Partners Wealth
Massachusetts
$174K +$6.63K +2,456 +4%
TI
41
Tidal Investments
Wisconsin
$173K -$14.4K -5,334 -8%
D.E. Shaw & Co
42
D.E. Shaw & Co
New York
$156K +$9.08K +3,362 +6%
T. Rowe Price Associates
43
T. Rowe Price Associates
Maryland
$155K +$3.07K +1,131 +2%
Acadian Asset Management
44
Acadian Asset Management
Massachusetts
$146K -$936K -347,120 -87%
IIM
45
Ironwood Investment Management
Massachusetts
$145K +$17.1K +6,327 +13%
DFCM
46
Dark Forest Capital Management
Puerto Rico
$134K +$134K +49,636 New
Barclays
47
Barclays
United Kingdom
$125K +$3.41K +1,264 +3%
Millennium Management
48
Millennium Management
New York
$124K -$5.51K -2,042 -4%
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$121K -$6.07K -2,247 -5%
GI
50
GAMCO Investors
Connecticut
$120K +$15.1K +5,600 +14%
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