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Equibles

CITADEL ADVISORS LLC

Position in OSBC — Old Second Bancorp Inc

CIK 1423053 MIAMI, FL
Back to OSBC Full portfolio

Position in OSBC

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$7,089,769
+$5,878,859 QoQ
Shares Held
304,021
+406.2% QoQ
Ownership
0.598%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#31
of 185 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OSBC Over Time

Shares Held

Position Value (USD)

Derivatives in OSBC

reported options exposure · as of Mar 31, 2025
CallValue
$49,920
CallShares
3,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Banks - Regional

Financial Services · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $3,478,675,544 across 262 Banks - Regional names. OSBC ranks #74 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BPOP
Popular, Inc.
 1,575,921 $258,734,709
2 USB
US Bancorp \De\
 4,057,605 $245,079,341
3 FHN
First Horizon Corp
 8,080,977 $207,196,249
4 CFG
Citizens Financial Group Inc/Ri
 2,712,001 $190,029,910
5 PNC
Pnc Financial Services Group, Inc.
 742,111 $182,722,570
6 EWBC
East West Bancorp Inc
 1,316,230 $169,912,130
7 UMBF
Umb Financial Corp
 943,290 $134,664,079
8 CBSH
Commerce Bancshares Inc /Mo/
 2,075,423 $119,855,678

All Filings in OSBC

Export CSV
35 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,089,769 304,021
2026-03-31 $1,210,910 60,065
2025-12-31 $1,312,603 67,313
2025-09-30 $1,341,496 77,588
2025-06-30 $918,133 51,755
2025-03-31 $49,920 3,000
2025-03-31 $379,674 22,817
2024-12-31 $37,338 2,100
2024-12-31 $3,711,200 208,729
2024-09-30 $10,913 700
2024-09-30 $63,919 4,100
2024-09-30 $222,032 14,242
2024-06-30 $29,620 2,000
2024-06-30 $10,367 700
2024-06-30 $850,582 57,433
2024-03-31 $1,384 100
2024-03-31 $565,101 40,831
2024-03-31 $51,208 3,700
2023-12-31 $636,297 41,211
2023-12-31 $54,040 3,500
2023-09-30 $65,328 4,800
2023-09-30 $286,762 21,070
2023-09-30 $13,610 1,000
2023-03-31 $678,802 48,279
2022-12-31 $2,138,131 133,300
2022-06-30 $1,206,340 90,160
2022-03-31 $1,139,571 78,537
2021-12-31 $249,054 19,782
2021-09-30 $239,389 18,330
2021-06-30 $402,738 32,479
2021-03-31 $750,208 56,791
2020-12-31 $636,531 63,023
2020-09-30 $532,620 71,016
2020-06-30 $793,303 101,967
2020-03-31 $446,889 64,673