| 0.02% |
| 4 | AQR CAPITAL MANAGEMENT LLC | 5.5M | $109.2M | +372.5% | 4.834% | 0.04% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.4M | $108.0M | +0.1% | 4.779% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 5.1M | $101.8M | +2.0% | 4.508% | 0.00% |
| 7 | STATE STREET CORP | 4.8M | $95.1M | 0.0% | 4.211% | 0.00% |
| 8 | FULLER & THALER ASSET MANAGEMENT, INC. | 4.3M | $85.3M | -14.2% | 3.774% | 0.23% |
| 9 | YACKTMAN ASSET MANAGEMENT LP | 4.2M | $83.4M | +2.9% | 3.693% | 1.03% |
| 10 | PZENA INVESTMENT MANAGEMENT LLC | 3.9M | $77.1M | -12.2% | 3.413% | 0.23% |
| 11 | CITADEL ADVISORS LLC | 2.6M | $51.3M | +19.5% | 2.272% | 0.00% |
| 12 | GOLDMAN SACHS GROUP INC | 2.6M | $50.5M | -10.1% | 2.237% | 0.00% |
| 13 | SEMPER AUGUSTUS INVESTMENTS GROUP LLC | 2.2M | $42.7M | +6.1% | 1.890% | 4.83% |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $41.8M | -0.2% | 1.849% | 0.00% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.5M | $30.6M | -0.9% | 1.354% | 0.00% |
| 16 | MORGAN STANLEY | 1.4M | $27.4M | -16.2% | 1.215% | 0.00% |
| 17 | CAPTRUST FINANCIAL ADVISORS | 1.3M | $26.2M | +6314.8% | 1.160% | 0.04% |
| 18 | BANK OF AMERICA CORP /DE/ | 1.3M | $25.4M | -27.6% | 1.127% | 0.00% |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.2M | $24.1M | -2.9% | 1.065% | 0.00% |
| 20 | Bank of New York Mellon Corp | 1.2M | $23.8M | -2.7% | 1.053% | 0.00% |
| 21 | JPMORGAN CHASE & CO | 977K | $20.4M | +290.3% | 0.857% | 0.00% |
| 22 | NORTHERN TRUST CORP | 1.0M | $19.9M | +1.6% | 0.881% | 0.00% |
| 23 | Allianz Asset Management GmbH | 973K | $19.3M | +106.6% | 0.853% | 0.01% |
| 24 | Invesco Ltd. | 779K | $15.4M | -2.1% | 0.684% | 0.00% |
| 25 | VICTORY CAPITAL MANAGEMENT INC | 773K | $15.3M | -1.1% | 0.679% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in OLN — a direct measure of their conviction.
Institutions that fully closed their OLN position in Q2 2026
| 84.14% |
| 5.56 pp |
| $2.26B |
| 33% |
| Q4 2024 | 374 | 3.1% | 89.70% | +3.35 pp | $3.38B | 28% |
| Q3 2024 | 386 | — | 86.35% | — | $4.72B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
59 institutions opened new positions in OLN during Q2 2026, while 74 fully exited. 53 added to existing positions and 285 trimmed.
OLN institutional ownership rose by 0.03 percentage points quarter-over-quarter, with a net change of -6 holders.
The top 10 institutions account for 58.7% of all reported 13F value in OLN, and the top 25 account for 77.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Olin Corporation (OLN) Institutional Ownership