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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
Janus Henderson Group
126
Janus Henderson Group
United Kingdom
$277K -$150K -9,175 -37%
Assenagon Asset Management
127
Assenagon Asset Management
Luxembourg
$271K -$2.68M -164,300 -91%
Jacobs Levy Equity Management
128
Jacobs Levy Equity Management
New Jersey
$268K – – –
HWM
129
Hohimer Wealth Management
Washington
$255K +$234K +14,350 New
VOYA Investment Management
130
VOYA Investment Management
Georgia
$251K +$2.95K +181 +1%
GCP
131
GSA Capital Partners
United Kingdom
$245K -$377K -23,153 -63%
PCM
132
Princeton Capital Management
New Jersey
$244K – – –
CC
133
Corton Capital
Ontario, Canada
$242K +$223K +13,659 New
YIH
134
Y-Intercept (HK)
Hong Kong
$241K -$325K -19,927 -59%
CCA
135
Cobblestone Capital Advisors
New York
$241K -$6.93K -425 -3%
EC
136
EntryPoint Capital
New York
$240K +$221K +13,539 New
CSS
137
Cubist Systematic Strategies
Connecticut
$229K -$222K -13,594 -51%
Federated Hermes
138
Federated Hermes
Pennsylvania
$222K +$1.84K +113 +0.9%
ASRS
139
Arizona State Retirement System
Arizona
$221K +$4.32K +265 +2%
DWM
140
Dakota Wealth Management
Florida
$217K +$3.72K +228 +2%
BCWM
141
Bartlett & Co Wealth Management
Ohio
$216K +$734 +45 +0.4%
Mariner
142
Mariner
Kansas
$209K +$192K +11,780 New
AAS
143
Avantax Advisory Services
Texas
$209K +$3.28K +201 +2%
SWP
144
Stratos Wealth Partners
Ohio
$207K – – –
New York State Common Retirement Fund
145
New York State Common Retirement Fund
New York
$203K – – –
HAG
146
HighPoint Advisor Group
Illinois
$193K -$57K -3,496 -24%
QT
147
Quantbot Technologies
New York
$192K -$7.79K -478 -4%
JWCA
148
J.W. Cole Advisors
Florida
$186K +$114 +7 +0.1%
PFSRSONJ
149
Police & Firemen's Retirement System of New Jersey
New Jersey
$166K – – –
KK
150
KLP Kapitalforvaltning
Norway
$161K – – –
4 5
6
7 8

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.