Olin Corporation (OLN) ownership: Top institutional holder: HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC ($448.45M). Insider activity: Net Seller (3 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 15084224.00 | $448.45M | 2026-03-31 |
| BlackRock Fund Advisors | 14740286.00 | $377.50M | 2016-12-31 |
| BlackRock, Inc. | 11486856.00 | $341.50M | 2026-03-31 |
| VANGUARD GROUP INC | 11337815.00 | $236.17M | 2025-12-31 |
| DIMENSIONAL FUND ADVISORS LP | 5627997.00 | $167.31M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5439407.00 | $161.71M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5038968.00 | $149.81M | 2026-03-31 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 5015877.00 | $149.12M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-01 | |
| Buy | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.