OLD SECOND BANCORP INC OSBC
CIK 0000357173 · CUSIP 680277100
Quarter-end disclosures, not live holdings.
Top 20 institutions
Weight means this stock's share of the manager's own portfolio.
| # | Manager | Value | Manager weight | Change vs prior | Source | |
|---|---|---|---|---|---|---|
| 01 | BlackRock Inc. CIK 1364742 · View history | $50.90M 3,436,814 shares | 0.00% | +121.82K(+3.7%)Added | SEC filing ↗ Aug 13, 2024 | ▾ |
| 02 | Forum Financial Management, LP CIK 1911832 · View history | $39.97M 2,698,995 shares | 0.72% | -27.08K(-1.0%)Reduced | SEC filing ↗ Jul 30, 2024 | ▾ |
| 03 | VANGUARD GROUP INC CIK 102909 · View history | $34.68M 2,341,920 shares | 0.00% | -82.06K(-3.4%)Reduced | SEC filing ↗ Aug 13, 2024 | ▾ |
| 04 | BANC FUNDS CO LLC CIK 1029311 · View history | $29.26M 1,975,688 shares | 3.47% | -112.37K(-5.4%)Reduced | SEC filing ↗ Aug 14, 2024 | ▾ |
| 05 | FJ Capital Management LLC CIK 1599170 · View history | $25.79M 1,741,181 shares | 2.70% | -548.29K(-23.9%)Reduced | SEC filing ↗ Aug 14, 2024 | ▾ |
| 06 | DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history | $25.19M 1,700,810 shares | 0.01% | +138.25K(+8.8%)Added | SEC filing ↗ Aug 9, 2024 | ▾ |
| 07 | STATE STREET CORP CIK 93751 · View history | $17.58M 1,187,216 shares | 0.00% | +18.54K(+1.6%)Added | SEC filing ↗ Aug 14, 2024 | ▾ |
| 08 | GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history | $14.91M 1,006,738 shares | 0.00% | +51.14K(+5.4%)Added | SEC filing ↗ Aug 9, 2024 | ▾ |
| 09 | MANUFACTURERS LIFE INSURANCE COMPANY, THE CIK 928047 · View history | $14.68M 991,132 shares | 0.01% | -54.04K(-5.2%)Reduced | SEC filing ↗ Aug 14, 2024 | ▾ |
| 10 | JPMORGAN CHASE & CO CIK 19617 · Amended · View history | $14.05M 948,447 shares | 0.00% | -70.99K(-7.0%)Reduced | SEC filing ↗ Dec 26, 2024 | ▾ |
| 11 | ALLIANCEBERNSTEIN L.P. CIK 1109448 · View history | $12.67M 855,612 shares | 0.00% | +15.95K(+1.9%)Added | SEC filing ↗ Aug 14, 2024 | ▾ |
| 12 | AMERICAN CENTURY COMPANIES INC CIK 748054 · View history | $11.85M 800,187 shares | 0.01% | +131.62K(+19.7%)Added | SEC filing ↗ Aug 7, 2024 | ▾ |
| 13 | NORTHERN TRUST CORP CIK 73124 · View history | $9.09M 613,745 shares | 0.00% | +12.46K(+2.1%)Added | SEC filing ↗ Aug 14, 2024 | ▾ |
| 14 | Davis Asset Management, L.P. CIK 1945894 · View history | $8.62M 582,268 shares | 0.39% | +582.27KNew | SEC filing ↗ Aug 13, 2024 | ▾ |
| 15 | Stieven Capital Advisors, L.P. CIK 1388279 · View history | $7.80M 526,485 shares | 1.73% | -114.50K(-17.9%)Reduced | SEC filing ↗ Aug 1, 2024 | ▾ |
| 16 | GOLDMAN SACHS GROUP INC CIK 886982 · View history | $7.43M 501,978 shares | 0.00% | +203.33K(+68.1%)Added | SEC filing ↗ Aug 13, 2024 | ▾ |
| 17 | KENNEDY CAPITAL MANAGEMENT LLC CIK 884589 · View history | $6.72M 453,575 shares | 0.14% | -50.57K(-10.0%)Reduced | SEC filing ↗ Aug 14, 2024 | ▾ |
| 18 | WELLINGTON MANAGEMENT GROUP LLP CIK 902219 · View history | $5.84M 394,200 shares | 0.00% | +6.40K(+1.7%)Added | SEC filing ↗ Aug 14, 2024 | ▾ |
| 19 | Gator Capital Management, LLC CIK 1570284 · View history | $4.96M 334,700 shares | 2.52% | -11.50K(-3.3%)Reduced | SEC filing ↗ Aug 13, 2024 | ▾ |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC CIK 884546 · Amended · View history | $4.93M 332,776 shares | 0.00% | -51.17K(-13.3%)Reduced | SEC filing ↗ Aug 12, 2024 | ▾ |
Showing 20 / 154 institutions. The complete set is available through the API.
Coverage & totals by quarter
Reporting institutions by quarter
Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.
Explore all 154 reporting institutions.
This page includes 20 of 154 reporting institutions. Sign in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.
- Download CSV
- Earlier quarters
- Advanced screening & filtering
- API & AI access
+ New accounts get free API credits to explore data beyond ownership filings.
For AI agents & developers
The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. This page lists 20 of 154 reporting institutions; totals use the complete disclosed data.
Without an account: the last 3 years, with the row caps stated on the page. A free account opens all history on file on these pages and the CSV of what a page shows. Rows beyond the caps and bulk retrieval go through the authenticated API / MCP.
MCP https://api.akkrudata.ai/mcp
get_institutional_security_holders
{"cusip":"680277100","quarter":"2024Q2","type":"positions","page_size":100}Connect to MCP with OAuth and follow the returned pagination. Credits and usage limits depend on the account.
- MCP endpoint
- https://api.akkrudata.ai/mcp
- API / MCP documentation
- /documents
- llms.txt
- /llms.txt
Sources, coverage & how to read this data
Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.