OSBC - Company ID 0000357173
As of 2026-11-06, OLD SECOND BANCORP INC (OSBC) has a market capitalization of $1.25 B, making it the #2418 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-11-06 | $1.25 B |
| 2026-11-05 | $1.30 B |
| 2026-11-04 | $1.30 B |
| 2026-11-03 | $1.29 B |
| 2026-11-02 | $1.29 B |
| 2026-11-01 | $1.25 B |
| 2026-10-31 | $1.25 B |
| 2026-10-30 | $1.25 B |
| 2026-10-29 | $1.27 B |
| 2026-10-28 | $1.25 B |
| 2026-10-27 | $1.26 B |
| 2026-10-26 | $1.27 B |
As of 2026-11-06, OLD SECOND BANCORP INC (OSBC) has a market capitalization of $1.25 B, making it the #2418 most valuable US-listed company.
OLD SECOND BANCORP INC is the #2418 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| 2026-10-25 | $1.26 B |
| 2026-10-24 | $1.26 B |
| 2026-10-23 | $1.26 B |
| 2026-10-22 | $1.27 B |
| 2026-10-21 | $1.29 B |
| 2026-10-20 | $1.29 B |
| 2026-10-19 | $1.28 B |
| 2026-10-18 | $1.28 B |
| 2026-10-17 | $1.28 B |
| 2026-10-16 | $1.28 B |
| 2026-10-15 | $1.28 B |
| 2026-10-14 | $1.27 B |
| 2026-10-13 | $1.28 B |
| 2026-10-12 | $1.28 B |
| 2026-10-11 | $1.27 B |
| 2026-10-10 | $1.27 B |
| 2026-10-09 | $1.27 B |
| 2026-10-08 | $1.28 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.