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BANC FUNDS CO LLC

Position in OSBC — Old Second Bancorp Inc

CIK 1029311 CHICAGO, IL

Position in OSBC

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$20,747,522
+$3,096,317 QoQ
Shares Held
1,029,143
+13.7% QoQ
Ownership
2.00%
of shares outstanding
% of Portfolio
5.53%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in OSBC Over Time

Shares Held

Position Value (USD)

Position in Banks - Regional

Financial Services · as of Mar 31, 2026

BANC FUNDS CO LLC holds $375,433,518 across 64 Banks - Regional names. OSBC ranks #1 (5.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 OSBC
Old Second Bancorp Inc
This page
1,029,143 $20,747,522

All Filings in OSBC

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $20,747,522 1,029,143
2025-12-31 $17,651,205 905,190
2025-09-30 $17,400,275 1,006,378
2025-06-30 $20,531,885 1,157,378
2025-03-31 $21,375,377 1,284,578
2024-12-31 $28,733,866 1,616,078
2024-09-30 $27,349,349 1,754,288
2024-06-30 $29,259,939 1,975,688
2024-03-31 $28,898,778 2,088,062
2023-12-31 $32,829,485 2,126,262
2023-09-30 $27,918,329 2,051,310
2023-06-30 $26,790,108 2,051,310
2023-03-31 $28,841,418 2,051,310
2022-12-31 $32,903,012 2,051,310
2022-09-30 $28,086,131 2,152,194
2022-06-30 $29,150,925 2,178,694
2022-03-31 $31,322,649 2,158,694
2021-12-31 $24,543,651 1,949,456
2021-09-30 $21,356,077 1,635,228
2021-06-30 $20,679,219 1,667,679
2021-03-31 $20,686,780 1,565,994
2020-12-31 $15,665,039 1,550,994
2020-09-30 $10,724,250 1,429,900
2020-06-30 $13,891,968 1,785,600
2020-03-31 $14,031,446 2,030,600