OSBC OLD SECOND BANCORP INC: institutional ownership and insider trading
205 funds reported holding $964M of OLD SECOND BANCORP INC in their latest 13F filings; in Q2 2026 funds net bought $25.2M, with 18 new positions and 20 funds selling out; over the last 12 months insiders bought $502 and sold $7.69M on the open market.
OSBC revenue and earnings
- Quarter ended Jun 30, 2026: revenue n/a, net income $28.2M, EPS 0.54
- Quarter ended Mar 31, 2026: revenue n/a, net income $25.6M, EPS 0.48
- Quarter ended Dec 31, 2025: revenue n/a, net income $28.8M, EPS 0.53
- Quarter ended Sep 30, 2025: revenue n/a, net income $9.87M, EPS 0.18
Famous investors holding OSBC
- Ken Griffin (Citadel Advisors): $7.09M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $4.68M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $2.67M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $495K, 0.0% of the portfolio
Largest institutional holders of OSBC
- BlackRock, Inc. (BLK) — $100M
- VANGUARD GROUP INC — $63.9M
- DIMENSIONAL FUND ADVISORS LP — $58.3M
- VANGUARD CAPITAL MANAGEMENT LLC — $50.8M
- STATE STREET CORP (STT, STT-PG) — $42.9M
- Davis Asset Management, L.P. — $42.0M
- AMERICAN CENTURY COMPANIES INC — $41.6M
- GOLDMAN SACHS GROUP INC (GS, GSCE, GS-PA, GS-PC, GS-PD) — $37.9M
- FJ Capital Management LLC — $34.1M
- Boston Partners — $32.9M
Recent OSBC insider trades
- Sep 23, 2026: Collins Gary S sold 16,000 shares ($395K)
- Sep 8, 2026: Mclean Hugh H sold 25,000 shares ($641K)
- Sep 4, 2026: Collins Gary S sold 5,000 shares ($129K)
- Sep 2, 2026: Campbell Darin Patrick sold 24,000 shares ($613K)
5%+ owners
- Dimensional Fund Advisors LP: 5.1% (Schedule 13G, filed Oct 8, 2026)
Who owns the most OSBC stock?
The largest institutional holders of OLD SECOND BANCORP INC in the latest 13F filings are BlackRock, Inc. (BLK) ($100M), VANGUARD GROUP INC ($63.9M), DIMENSIONAL FUND ADVISORS LP ($58.3M).
Are insiders buying or selling OSBC?
Over the last 12 months insiders bought $502 and sold $7.69M of OLD SECOND BANCORP INC stock on the open market (SEC Form 4).
Which famous investors own OSBC?
Ken Griffin, Two Sigma, D. E. Shaw, Renaissance Technologies.
Which ETFs hold OSBC?
13 ETFs and mutual funds hold it among their top 100 positions, including FRBAX, GSQRX, BPSCX, FSCAX.