OLD SECOND BANCORP INC (OSBC) Stock
OSBC has an Alpha Score of 55 out of 100 (moderate), computed on Nov 1, 2026 from 3 of 4 sub-scores. 3 of the hedge funds AlphaScala tracks reported OSBC in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Citadel's at $7.09M. Company insiders reported 0 open-market buys and 7 sales on SEC Form 4 in the 90 days to Nov 3, 2026. Its trailing P/E ratio is 13.4 and its net margin 33.6% (key statistics as of Nov 1, 2026).
What is OSBC's Alpha Score?
How it works →Alpha Score of 55 reflects moderate overall profile with moderate momentum, weak value, strong quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Nov 1, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which hedge funds own OSBC?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Citadel Ken Griffin | 304K | $7.09M | +406% |
| D.E. Shaw David Shaw | 114K | $2.67M | NEW |
| Renaissance Technologies Jim Simons (founder) | 21K | $494.9K | -76% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are OLD SECOND BANCORP INC insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 23, 26 | Collins Gary S | VICE CHAIRMAN | SELL | 16.0K | $395K |
| Sep 8, 26 | Mclean Hugh H | Director | SELL | 25.0K | $641K |
| Sep 4, 26 | Collins Gary S | VICE CHAIRMAN | SELL | 5.0K | $129K |
| Sep 3, 26 | Mclean Hugh H | Director | SELL | 25.0K | $643K |
| Sep 2, 26 | Campbell Darin Patrick | President, Powersports Lending | SELL | 24.0K | $613K |
| Aug 12, 26 | Eccher James | CHAIRMAN AND CEO | SELL | 19.3K | $495K |
| Aug 11, 26 | Eccher James | CHAIRMAN AND CEO | SELL | 55.7K | $1.4M |
SEC Form 4 filings as of Nov 3, 2026
See cluster-buy signals across all tickers →What are OSBC's key statistics?
Key statistics as of Nov 1, 2026
How does OSBC's valuation compare with the Financials sector?
| Metric | OSBC | Financials median | Companies in median |
|---|---|---|---|
| P/E ratio | 13.4 | 12.9 | 212 |
| Net margin | 33.58% | 20.22% | 197 |
| Return on equity | 10.39% | 12.39% | 221 |
| Dividend yield (payers) | 1.38% | 3.35% | 167 |
Medians over the Financials stocks whose key statistics were refreshed in the last 35 days (newest Nov 4, 2026). P/E excludes loss-making companies.
OSBC price chart
Powered by TradingViewWhat does OLD SECOND BANCORP INC do?
Old Second Bancorp, Inc. is a financial services company that primarily functions as a holding company for Old Second National Bank. The bank provides a diverse range of services tailored to meet the needs of retail consumers, commercial businesses, and municipal entities. Its offerings encompass traditional banking services such as deposits, personal, commercial, and mortgage lending. Additionally, the bank provides more specialized financial solutions like treasury management, trust services, and investment advisory. Old Second Bancorp is notably active in the Chicago metropolitan area, positioning itself as a key player within local financial markets. The company supports economic growth and financial health within its operating regions by facilitating capital access and offering comprehensive financial services. Through its extensive reach and community-focused approach, Old Second Bancorp plays a significant role in the regional banking landscape, contributing to both individual financial security and broader economic stability.