OLIN Corp
OLN- Exchange
- NYSE
- Industry
- Chemicals & Allied Products
- SEC CIK
- 0000074303
No open-market purchases or sales by OLIN Corp insiders were filed in the last 90 days; 415 institutions reported holding it in 13F filings for Q2 2026, worth $2.26B in total; Semper Augustus is the only superinvestor holding it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −1 vs. previous quarter
- 415
- 13F valueReported value at the end of Q2 2026
- $2.26B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Superinvestors holding OLN, Q2 2026
1 superinvestor reports holding OLIN Corp on Form 13F. Percentages are the stock's share of each portfolio.
Semper Augustus
Christopher Bloomstran
4.8%
OLIN Corp's share of the portfolio
- Shares
- 2,153,826
- Value
- $42.7M
Latest insider trades
Open-market purchases and sales by OLIN Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 25, 2026 (view filing) | Feb 25 | Same day | Carter DeonVP & President CAPV | SSale | −6.50K | $23.73 | −$154.2K | −94.8%357 after | |
| Feb 24, 2026 (view filing) | Feb 24 | Same day | Castle Angela MVP & Chief Legal Officer | SSale | −2.38K | $24.25 | −$57.7K | −60.9%1.53K after | |
| Feb 5, 2026 (view filing) | Feb 3 | 2 days | Sumner R NicholeVP & Controller | SSale | −4.75K | $22.49 | −$106.8K | −16.1%24.8K after | |
| Feb 5, 2026 (view filing) | Feb 3 | 2 days | Slater Todd AVP & CFO | SSale | −92.3K | $22.48 | −$2.07M | −67.6%44.3K after | |
| Nov 28, 2025 (view filing) | Nov 26 | 2 days | Vermillion Teresa MVP & Treasurer | SSale | −4.50K | $20.86 | −$93.9K | −20.7%17.2K after | |
| Aug 15, 2025 (view filing) | Aug 13 | 2 days | Vermillion Teresa MVP & Treasurer | SSale | −6.00K | $21.11 | −$126.7K | −25.9%17.2K after | |
| Aug 7, 2025 (view filing) | Aug 6 | 1 day | Ehrhardt MarcVP & Pres Corp Development | PPurchase | +20.0K | $18.70 | +$374.0K | New position20.0K after | |
| Feb 6, 2025 (view filing) | Feb 4 | 2 days | Lane Kenneth ToddPresident & CEO | PPurchase | +7.25K | $28.06 | +$203.4K | New position7.25K after | |
| Nov 12, 2024 (view filing) | Nov 8 | 4 days | Sumner R NicholeVP & Controller | SSale | −10.5K | $43.75 | −$459.4K | −30.4%24.1K after | |
| Feb 28, 2024 (view filing) | Feb 26-27 | 2 days | Sutton Scott McDougaldPresident & CEO | SSale | −65.8K | $52.43 | −$3.45M | −42.2%90.3K after | 9 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in OLIN Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hotchkis & Wiley Capital Management LLC | 16,021,214 | $317.5M | 0.93% | +936,990+6.2% | Added |
| BlackRock, Inc. | 11,984,254 | $237.5M | 0.00% | +497,398+4.3% | Added |
| Dimensional Fund Advisors LP | 6,166,477 | $122.2M | 0.02% | +538,480+9.6% | Added |
| AQR Capital Management LLC | 5,510,335 | $109.2M | 0.04% | +4,344,109+372.5% | Added |
| Vanguard Portfolio Management LLC | 5,447,478 | $108.0M | 0.00% | +8,071+0.1% | Added |
| Vanguard Capital Management LLC | 5,138,572 | $101.8M | 0.00% | +99,604+2.0% | Added |
| State Street Corp | 4,799,788 | $95.1M | 0.00% | −2300.0% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 4,301,590 | $85.3M | 0.23% | −714,287−14.2% | Reduced |
| Yacktman Asset Management LP | 4,209,403 | $83.4M | 1.03% | +117,192+2.9% | Added |
| Pzena Investment Management LLC | 3,890,204 | $77.1M | 0.23% | −541,409−12.2% | Reduced |