OLD SECOND BANCORP INC - Common Stock (OSBC)

CUSIP: 680277100

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
44,867,818
Total 13F shares
37,121,663
Share change
+1,023,625
Total reported value
$723,915,945
Price per share
$19.50
Number of holders
185
Value change
+$22,655,418
Number of buys
97
Number of sells
88

Quarterly Holders Quick Answers

What is CUSIP 680277100?
CUSIP 680277100 identifies OSBC - OLD SECOND BANCORP INC - Common Stock in SEC institutional holdings data.

Need full ownership history?
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Top shareholders of OSBC - OLD SECOND BANCORP INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
BlackRock, Inc.
13F
Company
8.5%
3,817,778
$65,990,293 30 Sep 2025
13F
VANGUARD GROUP INC
13F
Company
7.3%
3,269,993
$56,521,830 30 Sep 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
4.9%
2,204,884
$38,111,359 30 Sep 2025
13F
FJ Capital Management LLC
13F 13D/G
Company
4.2%
from 13D/G
1,919,934
$33,186,059 30 Sep 2025
GOLDMAN SACHS GROUP INC
13F
Company
3.5%
1,558,706
$26,942,233 30 Sep 2025
13F
Davis Asset Management, L.P.
13F
Company
3.3%
1,500,000
$25,927,500 30 Sep 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
3.1%
1,387,891
$23,989,709 30 Sep 2025
13F
STATE STREET CORP
13F
Company
3%
1,367,478
$23,636,857 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
3%
1,363,185
$23,566,154 30 Sep 2025
13F
KENNEDY CAPITAL MANAGEMENT LLC
13F
Company
2.4%
1,093,318
$18,898,003 30 Sep 2025
13F
BANC FUNDS CO LLC
13F
Company
2.2%
1,006,378
$17,395,244 30 Sep 2025
13F
NORTHERN TRUST CORP
13F
Company
2.2%
997,898
$17,248,667 30 Sep 2025
13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F
Company
2%
916,668
$15,844,606 30 Sep 2025
13F
JPMORGAN CHASE & CO
13F
Company
1.7%
780,001
$13,482,318 30 Sep 2025
13F
Stieven Capital Advisors, L.P.
13F
Company
1.7%
778,028
$13,448,214 30 Sep 2025
13F
ALLIANCEBERNSTEIN L.P.
13F
Company
1.6%
699,270
$12,086,882 30 Sep 2025
13F
Keith Acker
3/4/5
Director
class O/S missing
801,689
$11,440,102 01 Dec 2021
AQR CAPITAL MANAGEMENT LLC
13F
Company
1.2%
518,099
$8,955,335 30 Sep 2025
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
1.1%
504,951
$8,728,078 30 Sep 2025
13F
JACOBS ASSET MANAGEMENT, LLC
13F
Company
1.1%
478,217
$8,265,981 30 Sep 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.98%
437,591
$7,563,760 30 Sep 2025
13F
Nuveen, LLC
13F
Company
0.92%
414,668
$7,167,537 30 Sep 2025
13F
River Street Advisors LLC
13F
Company
0.86%
383,949
$6,636,559 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.79%
354,401
$6,125,821 30 Sep 2025
13F
Bank of New York Mellon Corp
13F
Company
0.76%
340,877
$5,892,053 30 Sep 2025
13F
Gator Capital Management, LLC
13F
Company
0.75%
335,335
$5,796,265 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
0.69%
309,897
$5,356,583 30 Sep 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.59%
265,314
$4,585,952 30 Sep 2025
13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
0.48%
216,895
$3,749,030 30 Sep 2025
13F
Forum Financial Management, LP
13F
Company
0.48%
215,371
$3,722,685 30 Sep 2025
13F
Empowered Funds, LLC
13F
Company
0.44%
198,548
$3,431,902 30 Sep 2025
13F
LSV ASSET MANAGEMENT
13F
Company
0.43%
193,426
$3,343,000 30 Sep 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.42%
187,791
$3,245,967 30 Sep 2025
13F
BANK OF MONTREAL /CAN/
13F
Company
0.4%
179,350
$3,100,962 30 Sep 2025
13F
EJF Capital LP
13F
Company
0.39%
173,834
$3,004,721 30 Sep 2025
13F
THRIVENT FINANCIAL FOR LUTHERANS
13F
Company
0.39%
173,669
$3,002,000 30 Sep 2025
13F
GREAT LAKES ADVISORS, LLC
13F
Company
0.37%
167,385
$2,893,249 30 Sep 2025
13F
Siena Capital Partners GP, LLC
13F
Company
0.36%
163,038
$2,818,112 30 Sep 2025
13F
VICTORY CAPITAL MANAGEMENT INC
13F
Company
0.36%
162,310
$2,805,528 30 Sep 2025
13F
Elizabeth Park Capital Advisors, Ltd.
13F
Company
0.35%
158,657
$2,742,386 30 Sep 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
0.35%
156,108
$2,698,327 30 Sep 2025
13F
BLAIR WILLIAM & CO/IL
13F
Company
0.34%
154,436
$2,669,418 30 Sep 2025
13F
Knights of Columbus Asset Advisors LLC
13F
Company
0.3%
136,442
$2,358,400 30 Sep 2025
13F
MARTINGALE ASSET MANAGEMENT L P
13F
Company
0.3%
135,240
$2,337,624 30 Sep 2025
13F
BOOTHBAY FUND MANAGEMENT, LLC
13F
Company
0.28%
125,249
$2,164,929 30 Sep 2025
13F
State of New Jersey Common Pension Fund D
13F
Company
0.27%
120,925
$2,090,189 30 Sep 2025
13F
BARCLAYS PLC
13F
Company
0.26%
116,579
$2,015,068 30 Sep 2025
13F
Russell Investments Group, Ltd.
13F
Company
0.25%
111,213
$1,922,316 30 Sep 2025
13F
Fisher Asset Management, LLC
13F
Company
0.23%
102,505
$1,771,798 30 Sep 2025
13F
Curi Capital, LLC
13F
Company
0.22%
100,496
$1,737,074 30 Sep 2025
13F

Institutional Holders of OLD SECOND BANCORP INC - Common Stock (OSBC) as of Q4 2025

As of 31 Dec 2025, OLD SECOND BANCORP INC - Common Stock (OSBC) was held by 185 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 37,121,663 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, FJ Capital Management LLC, Davis Asset Management, L.P., STATE STREET CORP, AMERICAN CENTURY COMPANIES INC, GEODE CAPITAL MANAGEMENT, LLC, KENNEDY CAPITAL MANAGEMENT LLC, and GOLDMAN SACHS GROUP INC. This page lists 185 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
196
Q4 2025 holders
185
Holder diff
-11
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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