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; 418 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
- Market capClose on Nov 11, 2026
- $2.04B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, 0 vs. previous quarter
- 418
- 13F valueReported value at the end of Q2 2026
- $2.26B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $6.78B
- +3.7% year over year
- Net income, FY2025
- -$101.1M
- −196.3% year over year
- Free cash flow, FY2025
- $247.9M
- −19.5% year over year
- Revenue, Q3 FY2026
- $1.75B
- +2.0% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Net loss for FY2025: $101.1M (1.5% of revenue).
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 13.8M
- Shares sold short
- Change
- −1.15M
- −7.7% vs. previous
- Days to cover
- 3.03
- At average daily volume
Superinvestors holding OLN, Q2 2026
Go to the superinvestors tab1 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
See all insider tradesOpen-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
See all 418 holdersThe 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 |
Holders of 5% or more of OLN
See all 5 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of OLIN Corp.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Hotchkis & Wiley Capital Management LLC | 13G/A | 13.39%15.3M shares | +3.19 ppfrom 10.20% | Feb 13, 20245 filings | Feb 17, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 11.50%13.1M shares | +2.40 ppfrom 9.10% | Apr 17, 20252 filings | Nov 4, 2026 | SEC |
| Dimensional Fund Advisors LP | 13G | 5.40%6.17M shares | – | Feb 12, 20213 filings | Jul 14, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.17%5.89M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| AQR Capital Management LLC | 13G | 5.04%5.74M shares | New | Aug 13, 20261 filing | Aug 13, 2026 | SEC |
Politician trades
All politician trades in OLN1 member of Congress reported 1 trade in OLIN Corp since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Oct 12, 2026 |  Lisa C. McClain House · MI | Buy | $15K-$50K |
House · MI · Oct 12, 2026
Buy$15K-$50K