OLD SECOND BANCORP INC(OSBC)Stock Analysis
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Pending next ranking run
This company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. Rankings refresh on Jan 1, Apr 1, Jul 1, Oct 1.
Financial data, filings, and institutional holdings below are still tracked in full — only the proprietary quality composite is unavailable for this name.
OSBC Stock Analysis & AI Quality Score
AI stock analysis and institutional research for OLD SECOND BANCORP INC (OSBC), a Financials sector company. OSBC is not currently included in 13F Pro's AI-ranked quality universe — this company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. rankings refresh on jan 1, apr 1, jul 1, oct 1. Based on the latest XBRL financial filings (Q1 2026), OLD SECOND BANCORP INC reports quarterly revenue of $93.8M, net income of $25.6M, an operating margin of 36.3%. Top institutional holders of OSBC by reported 13-F value include BlackRock,, DIMENSIONAL FUND ADVISORS, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. OSBC trades on the Nasdaq exchange and files with the SEC under CIK 357173. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate OSBC daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for OLD SECOND BANCORP INC directly from SEC EDGAR.
Revenue
Q1 2026
$93.8M
Net Income
Q1 2026
$25.6M
Free Cash Flow
Q1 2026
$36.2M
Operating Margin
Q1 2026
36.3%
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Available Research
13F Pro tracks comprehensive data for OLD SECOND BANCORP INC including:
Top Institutional Holders of OSBC
BlackRock, Inc.
$83.2M4,126,244 shDIMENSIONAL FUND ADVISORS LP
$48.2M2,388,862 shVANGUARD CAPITAL MANAGEMENT LLC
$45.4M2,251,849 shDavis Asset Management, L.P.
$36.3M1,800,000 shGOLDMAN SACHS GROUP INC
$34.1M1,691,523 shSTATE STREET CORP
$32.2M1,599,302 shAMERICAN CENTURY COMPANIES INC
$32.1M1,590,943 shFJ Capital Management LLC
$30.3M1,505,102 shBoston Partners
$29.3M1,443,889 shGEODE CAPITAL MANAGEMENT, LLC
$25.9M1,282,011 sh
| Fund | Value | Shares |
|---|---|---|
| BlackRock, Inc. | $83.2M | 4,126,244 |
| DIMENSIONAL FUND ADVISORS LP | $48.2M | 2,388,862 |
| VANGUARD CAPITAL MANAGEMENT LLC | $45.4M | 2,251,849 |
| Davis Asset Management, L.P. | $36.3M | 1,800,000 |
| GOLDMAN SACHS GROUP INC | $34.1M | 1,691,523 |
| STATE STREET CORP | $32.2M | 1,599,302 |
| AMERICAN CENTURY COMPANIES INC | $32.1M | 1,590,943 |
| FJ Capital Management LLC | $30.3M | 1,505,102 |
| Boston Partners | $29.3M | 1,443,889 |
| GEODE CAPITAL MANAGEMENT, LLC | $25.9M | 1,282,011 |
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Popular Research
Is OSBC a good stock to buy?
13F Pro's AI-powered analysis of OLD SECOND BANCORP INC (OSBC) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Financials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for OSBC are available on the OSBC stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.
Which hedge funds own OSBC?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling OSBC. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of OLD SECOND BANCORP INC's investment landscape.