Who owns OLIN Corp?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of OLN from SEC Form 13F filings across 413 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 413 institutions disclosed 113.7M shares of OLIN Corp worth $2.26B — about 99.8% of shares outstanding; the largest disclosed holder is HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
413
13F holders
$2.26B
value, 2026 filers
99.8%
of shares outstanding (113.7M sh)
81
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of OLN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 16.0M | $317.5M | 0.9% | 14.1% | +6.2% |
| 2 | BlackRock, Inc. | 12.0M | $237.5M | 0.0% | 10.5% | +4.3% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 6.2M | $122.2M | 0.0% | 5.4% | +9.6% |
| 4 | AQR CAPITAL MANAGEMENT LLC | 5.5M | $109.2M | 0.0% | 4.8% | +372.5% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.4M | $108.0M | 0.0% | 4.8% | +0.1% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 5.1M | $101.8M | 0.0% | 4.5% | +2.0% |
| 7 | STATE STREET CORP | 4.8M | $95.1M | 0.0% | 4.2% | 0.0% |
| 8 | FULLER & THALER ASSET MANAGEMENT, INC. | 4.3M | $85.3M | 0.2% | 3.8% | -14.2% |
| 9 | YACKTMAN ASSET MANAGEMENT LP | 4.2M | $83.4M | 1.0% | 3.7% | +2.9% |
| 10 | PZENA INVESTMENT MANAGEMENT LLC | 3.9M | $77.1M | 0.2% | 3.4% | -12.2% |
| 11 | GOLDMAN SACHS GROUP INC | 2.6M | $50.5M | 0.0% | 2.2% | -10.1% |
| 12 | CITADEL ADVISORS LLC | 2.2M | $44.3M | 0.0% | 2% | +36.2% |
| 13 | SEMPER AUGUSTUS INVESTMENTS GROUP LLC | 2.2M | $42.7M | 4.8% | 1.9% | +6.1% |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $41.8M | 0.0% | 1.8% | -0.2% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.5M | $30.6M | 0.0% | 1.4% | -0.9% |
| 16 | MORGAN STANLEY | 1.4M | $27.4M | 0.0% | 1.2% | -16.2% |
| 17 | CAPTRUST FINANCIAL ADVISORS | 1.3M | $26.2M | 0.0% | 1.2% | +6314.7% |
| 18 | BANK OF AMERICA CORP /DE/ | 1.3M | $25.4M | 0.0% | 1.1% | -27.6% |
| 19 | Bank of New York Mellon Corp | 1.2M | $23.8M | 0.0% | 1.1% | -2.7% |
| 20 | NORTHERN TRUST CORP | 1.0M | $19.9M | 0.0% | 0.9% | +1.6% |
| 21 | JPMORGAN CHASE & CO | 976,669 | $20.4M | 0.0% | 0.9% | +290.3% |
| 22 | Allianz Asset Management GmbH | 972,709 | $19.3M | 0.0% | 0.9% | +106.6% |
| 23 | Invesco Ltd. | 779,328 | $15.4M | 0.0% | 0.7% | -2.1% |
| 24 | VICTORY CAPITAL MANAGEMENT INC | 773,430 | $15.3M | 0.0% | 0.7% | -1.1% |
| 25 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 744,606 | $14.8M | 0.3% | 0.7% | +12.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.