CIO

City Office REIT
CIO

Overview Fund Activity

127 hedge funds and large institutions have $133M invested in City Office REIT in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 43 increasing their positions, 36 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
127
Holders Change
-9
Holders Change %
-6.62%
% of All Funds
1.7%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
11
Increased
43
Reduced
36
Closed
19
Calls
$194K
Puts
$492K
Net Calls
-$298K
Net Calls Change
-$140K

Top Buyers

1
SIMG
Sonora Investment Management Group
Arizona
$1.75M
2
UBS Group
UBS Group
Switzerland
$1.12M
3
Vanguard Group
Vanguard Group
Pennsylvania
$11.7M
4
AC
AlphaCore Capital
California
$689K
5
BlackRock
BlackRock
New York
$20.7M

Top Sellers

1
SBH
Segall Bryant & Hamill
Illinois
$0
2
Citadel Advisors
Citadel Advisors
Florida
$0
3
AQR Capital Management
AQR Capital Management
Connecticut
$492K
4
Man Group
Man Group
United Kingdom
$72.3K
5
Goldman Sachs
Goldman Sachs
New York
$1.77M
Name Holding Trade Value Shares
Change 		Shares
Change %
AC
26
AlphaCore Capital
California
$689K +$689K +128,942 New
QCM
27
Quantinno Capital Management
New York
$676K +$373K +69,769 +123%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$639K +$45.3K +8,491 +8%
NL
29
Nuveen LLC
North Carolina
$621K -$117K -21,833 -16%
Invesco
30
Invesco
Georgia
$576K -$256K -47,946 -31%
Millennium Management
31
Millennium Management
New York
$571K -$301K -56,330 -35%
Prudential Financial
32
Prudential Financial
New Jersey
$567K -$19.2K -3,595 -3%
State of Wisconsin Investment Board
33
State of Wisconsin Investment Board
Wisconsin
$563K -$3.74K -700 -0.7%
CIM
34
Cambria Investment Management
California
$523K +$43.8K +8,204 +9%
AQR Capital Management
35
AQR Capital Management
Connecticut
$492K -$455K -85,185 -48%
Bank of America
36
Bank of America
North Carolina
$471K +$280K +52,375 +146%
Jane Street
37
Jane Street
New York
$464K -$273K -51,120 -37%
Barclays
38
Barclays
United Kingdom
$395K +$145K +27,218 +58%
Qube Research & Technologies (QRT)
39
Qube Research & Technologies (QRT)
United Kingdom
$394K -$390K -73,111 -50%
Los Angeles Capital Management
40
Los Angeles Capital Management
California
$381K +$381K +71,320 New
RhumbLine Advisers
41
RhumbLine Advisers
Massachusetts
$368K +$19K +3,554 +5%
AllianceBernstein
42
AllianceBernstein
Tennessee
$355K +$60.3K +11,300 +20%
Two Sigma Investments
43
Two Sigma Investments
New York
$286K -$232K -43,481 -45%
Asset Management One
44
Asset Management One
Japan
$285K – – –
Susquehanna International Group
45
Susquehanna International Group
Pennsylvania
$283K -$12.6K -2,354 -4%
Nomura Asset Management
46
Nomura Asset Management
Japan
$278K – – –
AA
47
ALPS Advisors
Colorado
$252K -$31K -5,805 -11%
Tudor Investment Corp
48
Tudor Investment Corp
Connecticut
$242K -$126K -23,653 -34%
Two Sigma Advisers
49
Two Sigma Advisers
New York
$239K -$198K -37,000 -45%
CM
50
CastleKnight Management
New York
$226K – – –
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