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Old Second Bancorp
OSBC

183 hedge funds and large institutions have $579M invested in Old Second Bancorp in 2025 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 74 increasing their positions, 65 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

14% more repeat investments, than reductions

Existing positions increased: 74 | Existing positions reduced: 65

6% more capital invested

Capital invested by funds: $546M → $579M (+$32.9M)

0.44% less ownership

Funds ownership: 72.88% → 72.44% (-0.44%)

5% less funds holding

Funds holding: 192 → 183 (-9)

25% less funds holding in top 10

Funds holding in top 10: 4 → 3 (-1)

38% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 24

Holders
183
Holders Change
-9
Holders Change %
-4.69%
% of All Funds
2.41%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
15
Increased
74
Reduced
65
Closed
24
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
KCM
Kennedy Capital Management
Missouri
+$7.85M
2
DAM
Davis Asset Management
California
+$4.64M
3
Victory Capital Management
Victory Capital Management
Texas
+$1.59M
4
American Century Companies
American Century Companies
Missouri
+$1.43M
5
JAM
Jacobs Asset Management
New York
+$964K

Top Sellers

Rank Fund Capital Flow
1
RSA
River Street Advisors
Illinois
-$4.87M
2
Millennium Management
Millennium Management
New York
-$3.67M
3
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$2.68M
4
BFC
Banc Funds Company
Illinois
-$2.07M
5
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$1.66M
Name Holding Trade Value Shares
Change 		Change in
Stake
SC
101
Skylands Capital
Wisconsin
$428K +$393K +24,100 New
Verition Fund Management
102
Verition Fund Management
Connecticut
$427K -$197K -12,087 -33%
Man Group
103
Man Group
United Kingdom
$426K +$123K +7,520 +46%
BNP Paribas Financial Markets
104
BNP Paribas Financial Markets
France
$424K -$489K -30,001 -56%
Mirae Asset Global ETFs Holdings
105
Mirae Asset Global ETFs Holdings
Hong Kong
$422K -$33.8K -2,076 -8%
JCIA
106
Jackson Creek Investment Advisors
Colorado
$416K +$383K +23,464 New
AA
107
ALPS Advisors
Colorado
$399K +$12.5K +766 +4%
Raymond James Financial
108
Raymond James Financial
Florida
$373K -$51.8K -3,175 -13%
SCM
109
Sterling Capital Management
North Carolina
$370K +$328K +20,126 +2,676%
LAM
110
Lakewood Asset Management
Illinois
$356K +$326 +20 +0.1%
Carson Wealth (CWM LLC)
111
Carson Wealth (CWM LLC)
Nebraska
$345K -$13.9K -854 -4%
Point72 Asset Management
112
Point72 Asset Management
Connecticut
$343K +$108K +6,615 +52%
M1FG
113
Mach-1 Financial Group
Arkansas
$336K +$309K +18,953 New
NAS
114
Nicolet Advisory Services
Wisconsin
$335K – – –
ST
115
Sentinel Trust
Texas
$335K – – –
IIM
116
INTECH Investment Management
Florida
$327K -$192K -11,773 -39%
Universal-Beteiligungs- und Servicegesellschaft
117
Universal-Beteiligungs- und Servicegesellschaft
Germany
$324K +$101K +6,183 +51%
William Blair & Company
118
William Blair & Company
Illinois
$320K +$342 +21 +0.1%
CWA
119
Centennial Wealth Advisory
Michigan
$308K +$897 +55 +0.3%
ACM
120
Aquatic Capital Management
Illinois
$306K +$192K +11,788 +216%
Public Employees Retirement Association of Colorado
121
Public Employees Retirement Association of Colorado
Colorado
$306K – – –
SG Americas Securities
122
SG Americas Securities
New York
$302K -$444K -27,224 -61%
Zurich Cantonal Bank
123
Zurich Cantonal Bank
Switzerland
$282K +$154K +9,451 +146%
Connor, Clark & Lunn Investment Management (CC&L)
124
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$281K -$347K -21,294 -57%
QCM
125
Quantinno Capital Management
New York
$278K +$255K +15,664 New
3 4
5
6 7

OSBC Hedge Fund Activity: Q2 2025 in Review

183 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Old Second Bancorp (OSBC) for Q2 2025, worth a combined $579M — up 6% from $546M a quarter earlier.

Sellers outnumbered buyers: 24 funds closed out of OSBC and 15 opened new positions — a net loss of 9 holders — while 65 trimmed existing stakes and 74 added.

The largest buyer was Kennedy Capital Management, adding an estimated $7.85M. The largest seller was River Street Advisors, exiting entirely with an estimated $4.87M sold.

  • 183 institutional investors held Old Second Bancorp (OSBC) as of Q2 2025, down from 192 in Q1 2025.
  • Funds reported $579M of Old Second Bancorp stock for Q2 2025, up 6% quarter-over-quarter.
  • 15 funds opened new Old Second Bancorp positions in Q2 2025 and 24 closed out, a net change of -9 holders.
  • The largest Old Second Bancorp buyer in Q2 2025 was Kennedy Capital Management, an estimated $7.85M added.
  • The largest Old Second Bancorp seller in Q2 2025 was River Street Advisors, an estimated $4.87M sold.

Based on aggregated 13F filings for Q2 2025.