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Old Second Bancorp

195 hedge funds and large institutions have $625M invested in Old Second Bancorp in 2025 Q3 according to their latest regulatory filings, with 33 funds opening new positions, 82 increasing their positions, 50 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
195
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$488K
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$10.1M
2 +$9.56M
3 +$6.64M
4
BlackRock
BlackRock
New York
+$5.47M
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$3.66M

Top Sellers

1 -$2.61M
2 -$1.31M
3 -$1.21M
4
Millennium Management
Millennium Management
New York
-$1.02M
5
VI
Versor Investments
New York
-$996K
Name Holding Trade Value Shares
Change
Change in
Stake
Morgan Stanley
26
Morgan Stanley
New York
$5.36M
Qube Research & Technologies (QRT)
27
Qube Research & Technologies (QRT)
United Kingdom
$4.59M
Arrowstreet Capital
28
Arrowstreet Capital
Massachusetts
$3.75M
FFM
29
Forum Financial Management
Illinois
$3.72M
EF
30
Empowered Funds
Pennsylvania
$3.43M
LSV Asset Management
31
LSV Asset Management
Illinois
$3.34M
Two Sigma Investments
32
Two Sigma Investments
New York
$3.25M
Bank of Montreal
33
Bank of Montreal
Ontario, Canada
$3.1M
EC
34
EJF Capital
Virginia
$3M
Thrivent Financial for Lutherans
35
Thrivent Financial for Lutherans
Minnesota
$3M
GLA
36
Great Lakes Advisors
Illinois
$2.89M
SCP
37
Siena Capital Partners
Illinois
$2.82M
Victory Capital Management
38
Victory Capital Management
Texas
$2.81M
EPCA
39
Elizabeth Park Capital Advisors
Ohio
$2.74M
Wellington Management Group
40
Wellington Management Group
Massachusetts
$2.7M
William Blair & Company
41
William Blair & Company
Illinois
$2.67M
KOCAA
42
Knights of Columbus Asset Advisors
Connecticut
$2.36M
MAM
43
Martingale Asset Management
Massachusetts
$2.34M
BFM
44
Boothbay Fund Management
New York
$2.16M
State of New Jersey Common Pension Fund D
45
State of New Jersey Common Pension Fund D
New Jersey
$2.09M
Barclays
46
Barclays
United Kingdom
$2.02M
Russell Investments Group
47
Russell Investments Group
United Kingdom
$1.92M
Fisher Asset Management
48
Fisher Asset Management
Washington
$1.77M
CRC
49
Curi RMB Capital
Illinois
$1.74M
MCA
50
Mendon Capital Advisors
Florida
$1.73M