CIO

City Office REIT
CIO

Overview Fund Activity

126 hedge funds and large institutions have $132M invested in City Office REIT in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 43 increasing their positions, 35 reducing their positions, and 18 closing their positions.

Holders
126
Holders Change
-10
Holders Change %
-7.35%
% of All Funds
1.69%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
11
Increased
43
Reduced
35
Closed
18
Calls
$59K
Puts
$339K
Net Calls
-$280K
Net Calls Change
-$122K

Top Buyers

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

Top Sellers

1
SBH
1
Segall Bryant & Hamill
Illinois
$0
2
Citadel Advisors
2
Citadel Advisors
Florida
$0
3
AQR Capital Management
3
AQR Capital Management
Connecticut
$492K
4
Man Group
4
Man Group
United Kingdom
$72.3K
5
Goldman Sachs
5
Goldman Sachs
New York
$1.77M
Name Market Value Shares Shares
Change 		Shares
Change %
AC
26
AlphaCore Capital
California
$689K 128,942 +128,942 New
QCM
27
Quantinno Capital Management
New York
$676K 126,531 +69,769 +123%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$639K 119,574 +8,491 +8%
NL
29
Nuveen LLC
North Carolina
$621K 116,328 -21,833 -16%
Invesco
30
Invesco
Georgia
$576K 107,825 -47,946 -31%
Millennium Management
31
Millennium Management
New York
$571K 106,897 -56,330 -35%
Prudential Financial
32
Prudential Financial
New Jersey
$567K 106,250 -3,595 -3%
State of Wisconsin Investment Board
33
State of Wisconsin Investment Board
Wisconsin
$563K 105,500 -700 -0.7%
CIM
34
Cambria Investment Management
California
$523K 97,888 +8,204 +9%
AQR Capital Management
35
AQR Capital Management
Connecticut
$492K 92,171 -85,185 -48%
Bank of America
36
Bank of America
North Carolina
$471K 88,275 +52,375 +146%
Jane Street
37
Jane Street
New York
$464K 86,922 -51,120 -37%
Barclays
38
Barclays
United Kingdom
$395K 73,947 +27,218 +58%
Qube Research & Technologies (QRT)
39
Qube Research & Technologies (QRT)
United Kingdom
$394K 73,716 -73,111 -50%
Los Angeles Capital Management
40
Los Angeles Capital Management
California
$381K 71,320 +71,320 New
RhumbLine Advisers
41
RhumbLine Advisers
Massachusetts
$368K 68,988 +3,554 +5%
AllianceBernstein
42
AllianceBernstein
Tennessee
$355K 66,429 +11,300 +20%
Two Sigma Investments
43
Two Sigma Investments
New York
$286K 53,515 -43,481 -45%
Asset Management One
44
Asset Management One
Japan
$285K 53,460 – –
Nomura Asset Management
45
Nomura Asset Management
Japan
$278K 52,000 – –
AA
46
ALPS Advisors
Colorado
$252K 47,265 -5,805 -11%
Tudor Investment Corp
47
Tudor Investment Corp
Connecticut
$242K 45,328 -23,653 -34%
Two Sigma Advisers
48
Two Sigma Advisers
New York
$239K 44,700 -37,000 -45%
CM
49
CastleKnight Management
New York
$226K 42,300 – –
WS
50
Wedbush Securities
California
$208K 39,000 +3,000 +8%
1
2
3 4 5