Old Second Bancorp Inc

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Old Second Bancorp Inc
TickerOSBC
CIK #0000357173
CUSIP680277100
SectorFinance - State Commercial Banks
Address37 S River St, Aurora, IL 60507
Source [EDGAR]
CIK Filing 2011 - 2025
[0000357173] 10-K
[0000357173] 10-Q
[0000357173] 3
[0000357173] 4
[0000357173] 8-K
[0000357173] D
[0000357173] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Group Inc Old Second Bancorp Inc [2024-02-13] 5.32
BlackRock Inc Old Second Bancorp Inc [2023-01-31] 7.3
FJ Capital Management LLC Old Second Bancorp Inc [2020-09-04] 3.73
Wellington Management Group LLP Old Second Bancorp Inc [2017-02-09] 5.3
Thomson Horstmann & Bryant Inc Old Second Bancorp Inc [2017-01-11] 5.3
Banc Funds Co LLC Old Second Bancorp Inc [2016-02-09] 0.0
BlackRock Inc Old Second Bancorp Inc [2016-01-28] 5.5
Banc Funds Co LLC Old Second Bancorp Inc [2015-02-17] 0.0
Wellington Management Group LLP Old Second Bancorp Inc [2015-02-12] 5.01
Form 3/4/5 Filer 2011 - 2025
Lyons Billy J Jr.
Old Second Bancorp Inc
Campbell Darin Patrick
Gartelmann Richard A JR
Pilmer Donald
Adams Bradley S
Collins Gary S
Eccher James
Bonifas Edward
Williams John JR
Kotche Keith
York Jill E
Temple Rocks Patti
McLean Hugh H
Ladowicz John
Klaeser Dennis L
Finn Barry
Skoglund William B
Tapscott James F
Kane William
Suits Duane
Acker Keith
Gottschalk Keith
Palmer Gerald
Cheatham J Douglas
Meyer William J
Schmitz James C
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock, Inc. [2025-06-30] SOLE 3,378,608 3,501,598
Vanguard Group Inc [2025-06-30] SOLE 0 2,647,618
Dimensional Fund Advisors LP [2025-06-30] SOLE 1,978,015 2,021,375
FJ Capital Management LLC [2025-06-30] SOLE 1,837,333 1,837,333
Davis Asset Management, L.P. [2025-06-30] SOLE 1,384,502 1,384,502
State Street Corp [2025-06-30] DFND 308,126 1,305,542
Goldman Sachs Group Inc [2025-06-30] DFND 1,160,417 1,240,429
American Century Companies Inc [2025-06-30] DFND 1,227,462 1,227,462
Banc Funds Co LLC [2025-06-30] SOLE 1,157,378 1,157,378
Geode Capital Management LLC [2025-06-30] DFND 1,151,371 1,151,371
Kennedy Capital Management LLC [2025-06-30] SOLE 970,982 996,992
Manufacturers Life Insurance Company the [2025-06-30] DFND 934,473 934,473
JPMorgan Chase & Co [2025-06-30] DFND 751,801 849,868
Stieven Capital Advisors LP [2025-06-30] SOLE 717,028 717,028
AllianceBernstein LP [2025-06-30] DFND 713,742 713,742
AQR Capital Management LLC [2025-06-30] DFND 481,701 508,669
Bridgeway Capital Management LLC [2025-06-30] SOLE 484,528 484,528
Jacobs Asset Management LLC [2025-06-30] SOLE 462,500 462,500
Northern Trust Corp [2025-06-30] DFND 406,766 407,569
Nuveen, LLC [2025-06-30] DFND 383,048 383,048
Charles Schwab Investment Management Inc [2025-06-30] SOLE 366,553 366,553
Morgan Stanley [2025-06-30] DFND 321,780 345,009
Gator Capital Management LLC [2025-06-30] SOLE 330,400 332,950
Bank of New York Mellon Corp [2025-06-30] DFND 313,279 329,436
Qube Research & Technologies Ltd [2025-06-30] SOLE 296,100 296,100
Forum Financial Management LP [2025-06-30] SOLE 0 229,887
Arrowstreet Capital Limited Partnership [2025-06-30] DFND 205,845 213,236
LSV Asset Management [2025-06-30] SOLE 148,026 203,126
Bank of America Corp /DE/ [2025-06-30] DFND 5,697 198,449
Empowered Funds LLC [2025-06-30] OTR 178,125 178,125
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