OSBC

OLD SECOND BANCORP INC DEL

OSBC·680277100·US·Common Stock·Financial Services - Banks - Regional-13D/G

OSBC (OLD SECOND BANCORP INC DEL) is held by 102 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($100.2M), DIMENSIONAL FUND ADVISORS LP ($58.3M), VANGUARD CAPITAL MANAGEMENT LLC ($50.8M). Net institutional sentiment: Mixed.

102
Holders
(11 Elite)
$661.6M
Total Value
61% (104)
Consensus
63 buying - 41 selling
13F: Insider & Congress: Updated regularly
OSBC

Smart Money Verdict

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Held by 102 funds
11 elite

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders Aug 13, 2026 · Activists Mar 27, 2026 · Congress none

InsiderEJEccher JamesSell $495KAug 12, 2026
InsiderCSCOLLINS GARY SSell $108KMay 22, 2026
InsiderLJLyons Billy J Jr.Buy $501.6May 11, 2026
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Top Holders

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Fund
Action
Shares
Value
Weight
Est. P&L
Conviction
Increased
4.3M(+4.2%)$100.2M0.0%+42.53%
31
Increased
2.5M(+4.6%)$58.3M0.0%+68.71%
31
Decreased
2.2M(-3.2%)$50.8M0.0%+26.02%
0
Increased
1.8M(+15.0%)$42.9M0.0%+50.25%
33
Increased
1.8M(+12.1%)$41.6M0.0%+55.67%
33
Decreased
1.6M(-3.9%)$37.9M0.0%+42.57%
0
Decreased
1.4M(-2.0%)$32.9M0.0%+28.65%
0
Increased
1.3M(+5.3%)$31.5M0.0%+77.41%
30
Decreased
872,651(-0.7%)$20.4M0.0%+117.27%
0
Increased
819,368(+15.0%)$19.1M0.0%+23.43%
33
Decreased
555,408(-27.3%)$13M0.0%+69.31%
0
Decreased
641,845(-7.1%)$12.9M0.0%+107.93%
0
Decreased
555,602(-20.7%)$12.9M0.0%+46.62%
0
Decreased
544,345(-36.5%)$12.7M0.0%+37.36%
0
Increased
492,162(+17.3%)$11.5M0.0%+44.14%
32
Increased
431,304(+0.1%)$10.1M0.0%+81.84%
28
Decreased
386,234(-1.5%)$9M0.0%+69.54%
0
Increased
372,648(+12.5%)$8.7M0.0%+41.10%
31
Increased
342,013(+1.4%)$8M0.0%+89.10%
28
Increased
341,200(+1.7%)$8M0.0%+25.68%
28

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OSBCOSBCOLD SECOND BANCORP INC DEL

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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