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Equibles

WELLINGTON MANAGEMENT GROUP LLP

Position in OSBC — Old Second Bancorp Inc

CIK 902219 Boston, MA
Back to OSBC Full portfolio

Position in OSBC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$12,694,125
-$4,598,820 QoQ
Shares Held
544,345
-36.5% QoQ
Ownership
1.07%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#20
of 185 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in OSBC Over Time

Shares Held

Position Value (USD)

Position in Banks - Regional

Financial Services · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $16,129,309,862 across 126 Banks - Regional names. OSBC ranks #92 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MTB
M&T Bank Corp
 9,801,881 $2,332,945,693
2 HBAN
Huntington Bancshares Inc /Md/
 122,300,772 $2,168,392,684
3 FITB
Fifth Third Bancorp
 23,653,758 $1,333,362,335
4 PNFP
Pinnacle Financial Partners, Inc.
 11,141,397 $1,123,944,126
5 RF
Regions Financial Corp
 20,992,390 $633,970,178
6 TFC
Truist Financial Corp
 8,985,087 $447,637,033
7 COLB
Columbia Banking System, Inc.
 11,686,430 $374,550,079
8 WAL
Western Alliance Bancorporation
 4,389,690 $360,832,517

All Filings in OSBC

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,694,125 544,345
2026-03-31 $17,292,945 857,785
2025-12-31 $18,909,306 969,708
2025-09-30 $2,699,107 156,108
2025-06-30 $2,769,355 156,108
2025-03-31 $3,042,407 182,837
2024-12-31 $5,985,405 336,637
2024-09-30 $5,028,351 322,537
2024-06-30 $5,838,102 394,200
2024-03-31 $5,367,152 387,800
2023-12-31 $5,987,632 387,800
2023-09-30 $3,505,936 257,600
2023-06-30 $2,882,342 220,700
2021-09-30 $3,373,398 258,300
2021-06-30 $7,531,760 607,400
2021-03-31 $11,268,394 853,020
2020-12-31 $9,978,385 987,959
2020-09-30 $9,328,635 1,243,818
2020-06-30 $9,903,052 1,272,886
2020-03-31 $6,669,862 965,248