As of November 6, 2026, OLIN Corp is a publicly traded company (NYSE: OLN); its largest reported holder is Hotchkis and Wiley Capital Management, LLC, with 13.39% on Schedule 13G/A of February 17, 2026, then BlackRock (11.5%) (Schedule 13G/A, February 17, 2026).
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Is OLIN Corp a real, registered company?
- OLIN Corp files with the SEC under CIK 74303 (its SEC filings).
- Its shares are listed under the ticker OLN on NYSE (SEC company record).
- Incorporated in Virginia; business address in Clayton, Missouri, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under OLIN CORP in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-11-04).
Who are OLIN Corp's owners and officers?
OLIN Corp: incorporated in Virginia; business address in Clayton, Missouri; industry Chemicals & Allied Products (Schedule 13G/A, 2026-11-04).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-04 | Blackrock, Inc. | 11.5% |
| Schedule 13G, 2026-08-13 | Aqr Capital Management, LLC | 5.04% |
| Schedule 13G, 2026-07-14 | Dimensional Fund Advisors LP | 5.4% |
| Schedule 13G/A, 2026-05-13 | Fuller & Thaler Asset Management, Inc. | 4.41% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.17% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | Hotchkis And Wiley Capital Management, LLC | 13.39% |
Questions about who owns OLIN Corp
Who owns OLIN Corp?
On this page, 5 holders' latest ownership filings report 5% or more of OLIN Corp: Hotchkis And Wiley Capital Management, LLC (13.39%, Schedule 13G/A, filed 2026-02-17), Blackrock, Inc. (11.5%, Schedule 13G/A, filed 2026-11-04), Dimensional Fund Advisors LP (5.4%, Schedule 13G, filed 2026-07-14), Vanguard Capital Management (5.17%, Schedule 13G, filed 2026-04-30) and Aqr Capital Management, LLC (5.04%, Schedule 13G, filed 2026-08-13).
Who are the largest shareholders of OLIN Corp?
By the share each holder's latest filing reports, the largest holders of OLIN Corp on this page are Hotchkis And Wiley Capital Management, LLC (13.39%), Blackrock, Inc. (11.5%) and Dimensional Fund Advisors LP (5.4%).
When did Hotchkis And Wiley Capital Management, LLC buy into OLIN Corp?
The filings give report dates, not purchase dates. The earliest filing from Hotchkis And Wiley Capital Management, LLC on this page is the Schedule 13G/A, filed 2026-02-17, reporting 13.39%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 7 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on OLIN Corp covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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Which insiders own OLIN Corp shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief financial officer and vice president: 164,762.78 shares (0.14% of shares outstanding), 49,543 held directly and 115,219.78 indirectly (Form 4, 2026-02-24).
- , the chief executive and president: 100,287 shares (0.09% of shares outstanding) (Form 4, 2026-03-20).
- , the president and vice president: 93,112 shares (0.08% of shares outstanding), 4,674 held directly and 88,438 indirectly (Form 4, 2026-02-24).
- , the vice president and controller: 35,599.67 shares (0.03% of shares outstanding), 26,147 held directly and 9,452.67 indirectly (Form 4, 2026-02-24).
- , the president and vice president: 25,829 shares (0.02% of shares outstanding) (Form 4, 2026-05-05).
Shares outstanding: 114,005,726 as of 2026-09-30, from the company's latest SEC cover page.
How much has OLIN Corp raised?
No fundraising or offering filing from OLIN Corp is on file with us.
Keep reading
More on OLIN Corp and the records around it.
Companies that share a holder
- Hotchkis and Wiley Capital Management, LLC also filed stake reports on 13 other companies: Global Indemnity Group, LLC (Aug 2026), National CineMedia, Inc. (Aug 2026), Ecovyst Inc. (May 2026)
- Fuller & Thaler Asset Management, Inc. also filed stake reports on 35 other companies: COLLEGIUM PHARMACEUTICAL, INC (Aug 2026), Graphic Packaging Holding Co (Aug 2026), Primoris Services Corp (Aug 2026)
- AQR Capital Management, LLC also filed stake reports on 190 other companies: Bold Eagle Acquisition Corp. (Nov 2026), Centurion Acquisition Corp. (Aug 2026), FG Merger II Corp. n/k/a BOXABL Inc. (Aug 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
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