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.
13F holders, Q1 2026
Institutional positions in OLIN Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 422
- +51 vs. Q4 2025
- Shares held
- 112.6M
- +18.0M (+19.0%) vs. Q4 2025
- Total value
- $3.35B
- +$1.38B (+69.8%) vs. Q4 2025
- New holders
- 110
- 150 more added
- Sold out
- 59
- 85 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 415 | $2.26B |
| Q1 2026 | 422 | $3.35B |
| Q4 2025 | 379 | $2.21B |
| Q3 2025 | 370 | $2.58B |
| Q2 2025 | 352 | $2.09B |
| Q1 2025 | 354 | $2.45B |
| Q4 2024 | 384 | $3.51B |
| Q3 2024 | 396 | $4.92B |
| Q2 2024 | 445 | $4.93B |
| Q1 2024 | 433 | $6.15B |
| Q4 2023 | 426 | $5.72B |
| Q3 2023 | 428 | $5.33B |
| Q2 2023 | 463 | $5.62B |
| Q1 2023 | 481 | $6.18B |
| Q4 2022 | 472 | $6.12B |
| Q3 2022 | 455 | $5.23B |
| Q2 2022 | 483 | $5.94B |
| Q1 2022 | 476 | $6.70B |
| Q4 2021 | 462 | $7.68B |
| Q3 2021 | 388 | $6.58B |
| Q2 2021 | 360 | $6.36B |
| Q1 2021 | 318 | $5.16B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding OLIN Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fifth Third Bancorp | 100,847 | $3.00M | 0.01% | +99,823+9,748.3% | Added |
| Alliancebernstein L.P. | 141,483 | $2.95M | 0.00% | +12,208+9.4% | Added |
| Madison Asset Management, LLC | 96,657 | $2.87M | 0.04% | −959−1.0% | Reduced |
| State of New Jersey Common Pension Fund D | 92,625 | $2.75M | 0.01% | +92,625 | New |
| Price T Rowe Associates Inc | 90,665 | $2.70M | 0.00% | +6,678+8.0% | Added |
| Vanguard Asset Management, Ltd | 87,794 | $2.61M | 0.00% | +87,794 | New |
| Wedge Capital Management L L P | 87,747 | $2.61M | 0.05% | +111+0.1% | Added |
| Saba Capital Management, L.P. | 84,036 | $2.50M | 0.08% | −49,187−36.9% | Reduced |
| AMG National Trust Bank | 81,901 | $2.43M | 0.05% | −1,993−2.4% | Reduced |
| Oak Thistle LLC | 76,643 | $2.28M | 0.22% | +76,643 | New |
| HRT Financial LP | 74,860 | $2.23M | 0.01% | +74,860 | New |
| Manufacturers Life Insurance Company, The | 74,268 | $2.21M | 0.00% | −3,254−4.2% | Reduced |
| Fruth Investment Management | 69,862 | $2.08M | 0.52% | −450−0.6% | Reduced |
| Great West Life Assurance Co | 69,672 | $2.07M | 0.00% | −2,218−3.1% | Reduced |
| Walleye Trading LLC | 68,049 | $2.02M | 0.04% | −5,078−6.9% | Reduced |
| Wolverine Asset Management LLC | 66,794 | $1.99M | 0.03% | 00.0% | Unchanged |
| Sciencast Management LP | 66,003 | $1.96M | 0.25% | +66,003 | New |
| Virginia Retirement Systems Et Al | 63,928 | $1.90M | 0.01% | 00.0% | Unchanged |
| Creative Planning | 63,535 | $1.89M | 0.00% | +19,905+45.6% | Added |
| Schonfeld Strategic Advisors LLC | 62,777 | $1.87M | 0.02% | +25,547+68.6% | Added |
| Summit Trail Advisors, LLC | 61,561 | $1.83M | 0.03% | +18,968+44.5% | Added |
| ARGA Investment Management, LP | 61,315 | $1.82M | 0.06% | +1,502+2.5% | Added |
| Dba Trading, LLC | 60,000 | $1.78M | 0.89% | +15,000+33.3% | Added |
| Russell Investments Group, Ltd. | 57,611 | $1.71M | 0.00% | +1,450+2.6% | Added |
| XTX Topco Ltd | 56,253 | $1.67M | 0.03% | −58,498−51.0% | Reduced |
| Campbell & CO Investment Adviser LLC | 56,122 | $1.67M | 0.10% | +56,122 | New |
| Monetary Management Group Inc | 56,100 | $1.67M | 0.40% | 00.0% | Unchanged |
| Trexquant Investment LP | 56,031 | $1.67M | 0.01% | −46,885−45.6% | Reduced |
| Occudo Quantitative Strategies LP | 56,724 | $1.62M | 0.09% | +40,238+244.1% | Added |
| CastleKnight Management LP | 54,200 | $1.61M | 0.08% | +54,200 | New |
| Brevan Howard Capital Management LP | 53,012 | $1.58M | 0.02% | +22,437+73.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 52,935 | $1.57M | 0.00% | +5,952+12.7% | Added |
| Janus Henderson Group PLC | 51,762 | $1.54M | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 51,171 | $1.52M | 0.01% | −1,447−2.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 50,818 | $1.51M | 0.01% | +6,178+13.8% | Added |
| Worldquant Millennium Advisors LLC | 50,799 | $1.51M | 0.01% | +50,799 | New |
| Treasurer of the State of North Carolina | 49,153 | $1.46M | 0.00% | +1,044+2.2% | Added |
| Entropy Technologies, LP | 48,875 | $1.45M | 0.07% | +20,642+73.1% | Added |
| Sit Investment Associates Inc | 46,575 | $1.39M | 0.03% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 45,705 | $1.36M | 0.00% | +9,792+27.3% | Added |
| State of Wisconsin Investment Board | 45,516 | $1.35M | 0.00% | −10,389−18.6% | Reduced |
| Vanguard Global Advisers, LLC | 45,180 | $1.34M | 0.00% | +45,180 | New |
| New York State Common Retirement Fund | 45,121 | $1.34M | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 44,319 | $1.32M | 0.00% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 43,534 | $1.29M | 0.01% | −3,961−8.3% | Reduced |
| Toroso Investments, LLC | 42,983 | $1.28M | 0.00% | +42,983 | New |
| CIBC Bancorp USA Inc. | 41,918 | $1.25M | 0.00% | +41,918 | New |
| Great Lakes Advisors, LLC | 40,766 | $1.21M | 0.01% | +40,766 | New |
| Walnut Level Capital LLC | 40,000 | $1.19M | 1.36% | −38,012−48.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 39,808 | $1.18M | 0.01% | 00.0% | Unchanged |
| Axq Capital, LP | 39,671 | $1.18M | 0.15% | +21,906+123.3% | Added |
| Rossby Financial, LCC | 40,038 | $1.17M | 0.24% | +23,038+135.5% | Added |
| KLP Kapitalforvaltning AS | 37,300 | $1.11M | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 36,640 | $1.09M | 0.04% | +36,640 | New |
| Merrion Investment Management Co, LLC | 36,200 | $1.08M | 0.58% | +5,695+18.7% | Added |
| Unison Advisors LLC | 35,751 | $1.06M | 0.08% | 00.0% | Unchanged |
| Lighthouse Investment Partners, LLC | 35,603 | $1.06M | 0.04% | +35,603 | New |
| Mitsubishi UFJ Trust & Banking Corp | 33,929 | $1.01M | 0.00% | −19,542−36.5% | Reduced |
| Public Employees Retirement System of Ohio | 33,419 | $993.5K | 0.00% | −1,139−3.3% | Reduced |
| SummerHaven Investment Management, LLC | 33,310 | $990.3K | 0.61% | −4,264−11.3% | Reduced |
| Louisiana State Employees Retirement System | 32,900 | $978.1K | 0.02% | +1,300+4.1% | Added |
| EntryPoint Capital, LLC | 31,628 | $940.3K | 0.28% | +8,616+37.4% | Added |
| Arizona State Retirement System | 31,347 | $931.9K | 0.01% | −810−2.5% | Reduced |
| First Citizens Bank & Trust Co | 31,230 | $928.5K | 0.02% | +609+2.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,899 | $918.6K | 0.00% | +6,427+26.3% | Added |
| Hudson Bay Capital Management LP | 30,000 | $891.9K | 0.01% | −31,030−50.8% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 29,925 | $889.7K | 0.00% | +564+1.9% | Added |
| Vanguard Investments Australia, Ltd. | 29,812 | $886.3K | 0.00% | +29,812 | New |
| Bramshill Investments, LLC | 29,532 | $878.0K | 0.08% | +29,532 | New |
| Huntleigh Advisors, Inc. | 29,176 | $867.4K | 0.15% | +29,176 | New |
| Moody National Bank Trust Division | 28,556 | $849.0K | 0.08% | +28,556 | New |
| Oarsman Capital, Inc. | 28,480 | $846.7K | 0.11% | −26,710−48.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,463 | $846.2K | 0.00% | −95−0.3% | Reduced |
| Sowell Financial Services LLC | 26,987 | $802.3K | 0.03% | +166+0.6% | Added |
| Numerai GP LLC | 26,415 | $785.3K | 0.08% | +26,415 | New |
| Thrivent Financial for Lutherans | 25,595 | $761.0K | 0.00% | −18,818−42.4% | Reduced |
| JustInvest LLC | 25,589 | $760.8K | 0.01% | +1,189+4.9% | Added |
| Northwestern Mutual Investment Management Company, LLC | 25,450 | $756.6K | 0.01% | −84−0.3% | Reduced |
| Brinker Capital Investments, LLC | 25,225 | $749.9K | 0.01% | +7,371+41.3% | Added |
| New Mexico Educational Retirement Board | 25,100 | $746.0K | 0.02% | 00.0% | Unchanged |
| Praxis Capital Management LLC | 23,735 | $705.6K | 1.65% | +8,658+57.4% | Added |
| Oregon Public Employees Retirement Fund | 23,302 | $692.8K | 0.01% | +500+2.2% | Added |
| Dynamic Technology Lab Private Ltd | 22,979 | $683.2K | 0.11% | +22,979 | New |
| CoreFirst Bank & Trust | 22,780 | $677.2K | 0.36% | +110+0.5% | Added |
| WealthTrust Axiom LLC | 22,751 | $676.4K | 0.17% | 00.0% | Unchanged |
| South Dakota Investment Council | 22,326 | $664.0K | 0.01% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 22,351 | $653.3K | 0.01% | +22,351 | New |
| Shufro Rose & Co LLC | 21,225 | $631.0K | 0.04% | +21,225 | New |
| Larson Financial Group LLC | 21,048 | $625.7K | 0.02% | −746−3.4% | Reduced |
| Pictet Asset Management Holding SA | 20,992 | $624.1K | 0.00% | +2,321+12.4% | Added |
| Ameritas Investment Partners, Inc. | 20,915 | $621.8K | 0.02% | 00.0% | Unchanged |
| Verition Fund Management LLC | 20,678 | $614.8K | 0.01% | −131,978−86.5% | Reduced |
| Neuberger Berman Group LLC | 20,622 | $613.1K | 0.00% | +6,776+48.9% | Added |
| Captrust Financial Advisors | 20,608 | $612.7K | 0.00% | +1,890+10.1% | Added |
| Commonwealth Equity Services, LLC | 20,590 | $612.1K | 0.00% | −1,265−5.8% | Reduced |
| CI Private Wealth, LLC | 20,772 | $598.3K | 0.00% | +4,863+30.6% | Added |
| M&T Bank Corp | 19,969 | $593.7K | 0.00% | +19,969 | New |
| Natixis | 19,956 | $593.3K | 0.00% | +19,956 | New |
| HighTower Advisors, LLC | 19,913 | $592.0K | 0.00% | +8,044+67.8% | Added |
| Miller Financial Services LLC | 19,688 | $585.3K | 0.65% | +367+1.9% | Added |