Olin Corporation (OLN)
Basic Materials
Chemicals
18.50 $
Closing price · As of: 31. Jul 2026
Who owns Olin Corporation (OLN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.3% of the shares are freely tradable; institutional investors hold 106.2%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
106.2%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.3%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
15.5%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
114Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Hotchkis & Wiley Capital Management LLC | 13.24 | 15,084,224 | -1.3 | 03/31/2026 |
| BlackRock Inc | 10.09 | 11,486,856 | -3.9 | 03/31/2026 |
| Vanguard Group Inc | 9.95 | 11,337,815 | -2.0 | 12/31/2025 |
| Dimensional Fund Advisors, Inc. | 4.94 | 5,627,997 | +22.4 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.78 | 5,439,407 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.42 | 5,038,968 | +0.0 | 03/31/2026 |
| Fuller & Thaler Asset Management Inc | 4.40 | 5,015,877 | -57.4 | 03/31/2026 |
| State Street Corp | 4.21 | 4,800,018 | +1.3 | 03/31/2026 |
| Pzena Investment Management, LLC | 3.89 | 4,431,613 | -1.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Windsor II Inv | 4.40 | 5,007,700 | +1.1 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.