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 |
|---|---|---|---|---|---|
| Xponance, Inc. | 13,807 | $410.5K | 0.00% | +3,250+30.8% | Added |
| Hudson Portfolio Management LLC | 13,930 | $414.1K | 0.35% | 00.0% | Unchanged |
| Bank of Montreal | 14,956 | $444.6K | 0.00% | +2,458+19.7% | Added |
| O'Brien Greene & Co. Inc | 15,000 | $445.9K | 0.13% | −1,000−6.3% | Reduced |
| Purewater Capital LLC | 15,046 | $447.3K | 0.43% | +15,046 | New |
| Mercer Global Advisors Inc | 15,314 | $455.3K | 0.00% | +328+2.2% | Added |
| Oppenheimer & Co Inc | 15,812 | $470.1K | 0.01% | +15,812 | New |
| Caption Management, LLC | 16,000 | $475.7K | 0.02% | +16,000 | New |
| Wealth Enhancement Advisory Services, LLC | 16,654 | $475.8K | 0.00% | −344−2.0% | Reduced |
| Garner Asset Management Corp | 16,124 | $479.4K | 0.19% | −416−2.5% | Reduced |
| State of Wyoming | 16,277 | $483.9K | 0.06% | +8,113+99.4% | Added |
| Marnell Management LLC | 16,309 | $484.9K | 0.32% | −29,391−64.3% | Reduced |
| Evergreen Capital Management LLC | 17,414 | $517.7K | 0.01% | +1,017+6.2% | Added |
| O'Shaughnessy Asset Management, LLC | 17,897 | $532.1K | 0.00% | −136−0.8% | Reduced |
| Berman McAleer LLC | 18,228 | $541.9K | 0.07% | 00.0% | Unchanged |
| Cetera Investment Advisers | 18,691 | $555.7K | 0.00% | +148+0.8% | Added |
| Guggenheim Capital LLC | 19,075 | $567.1K | 0.00% | +917+5.1% | Added |
| First Western Trust Bank | 19,087 | $567.5K | 0.03% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 19,202 | $570.9K | 0.00% | +1,915+11.1% | Added |
| Natixis Advisors, L.P. | 19,256 | $572.0K | 0.00% | +8,870+85.4% | Added |
| The PNC Financial Services Group, Inc. | 19,273 | $573.0K | 0.00% | +220+1.2% | Added |
| Yousif Capital Management, LLC | 19,461 | $578.6K | 0.01% | −1,918−9.0% | Reduced |
| Miller Financial Services LLC | 19,688 | $585.3K | 0.65% | +367+1.9% | Added |
| HighTower Advisors, LLC | 19,913 | $592.0K | 0.00% | +8,044+67.8% | Added |
| Natixis | 19,956 | $593.3K | 0.00% | +19,956 | New |
| M&T Bank Corp | 19,969 | $593.7K | 0.00% | +19,969 | New |
| CI Private Wealth, LLC | 20,772 | $598.3K | 0.00% | +4,863+30.6% | Added |
| Commonwealth Equity Services, LLC | 20,590 | $612.1K | 0.00% | −1,265−5.8% | Reduced |
| Captrust Financial Advisors | 20,608 | $612.7K | 0.00% | +1,890+10.1% | Added |
| Neuberger Berman Group LLC | 20,622 | $613.1K | 0.00% | +6,776+48.9% | Added |
| Verition Fund Management LLC | 20,678 | $614.8K | 0.01% | −131,978−86.5% | Reduced |
| Ameritas Investment Partners, Inc. | 20,915 | $621.8K | 0.02% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 20,992 | $624.1K | 0.00% | +2,321+12.4% | Added |
| Larson Financial Group LLC | 21,048 | $625.7K | 0.02% | −746−3.4% | Reduced |
| Shufro Rose & Co LLC | 21,225 | $631.0K | 0.04% | +21,225 | New |
| Whittier Trust Co of Nevada Inc | 22,351 | $653.3K | 0.01% | +22,351 | New |
| South Dakota Investment Council | 22,326 | $664.0K | 0.01% | 00.0% | Unchanged |
| WealthTrust Axiom LLC | 22,751 | $676.4K | 0.17% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 22,780 | $677.2K | 0.36% | +110+0.5% | Added |
| Dynamic Technology Lab Private Ltd | 22,979 | $683.2K | 0.11% | +22,979 | New |
| Oregon Public Employees Retirement Fund | 23,302 | $692.8K | 0.01% | +500+2.2% | Added |
| Praxis Capital Management LLC | 23,735 | $705.6K | 1.65% | +8,658+57.4% | Added |
| New Mexico Educational Retirement Board | 25,100 | $746.0K | 0.02% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 25,225 | $749.9K | 0.01% | +7,371+41.3% | Added |
| Northwestern Mutual Investment Management Company, LLC | 25,450 | $756.6K | 0.01% | −84−0.3% | Reduced |
| JustInvest LLC | 25,589 | $760.8K | 0.01% | +1,189+4.9% | Added |
| Thrivent Financial for Lutherans | 25,595 | $761.0K | 0.00% | −18,818−42.4% | Reduced |
| Numerai GP LLC | 26,415 | $785.3K | 0.08% | +26,415 | New |
| Sowell Financial Services LLC | 26,987 | $802.3K | 0.03% | +166+0.6% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,463 | $846.2K | 0.00% | −95−0.3% | Reduced |
| Oarsman Capital, Inc. | 28,480 | $846.7K | 0.11% | −26,710−48.4% | Reduced |
| Moody National Bank Trust Division | 28,556 | $849.0K | 0.08% | +28,556 | New |
| Huntleigh Advisors, Inc. | 29,176 | $867.4K | 0.15% | +29,176 | New |
| Bramshill Investments, LLC | 29,532 | $878.0K | 0.08% | +29,532 | New |
| Vanguard Investments Australia, Ltd. | 29,812 | $886.3K | 0.00% | +29,812 | New |
| Envestnet Portfolio Solutions, Inc. | 29,925 | $889.7K | 0.00% | +564+1.9% | Added |
| Hudson Bay Capital Management LP | 30,000 | $891.9K | 0.01% | −31,030−50.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,899 | $918.6K | 0.00% | +6,427+26.3% | Added |
| First Citizens Bank & Trust Co | 31,230 | $928.5K | 0.02% | +609+2.0% | Added |
| Arizona State Retirement System | 31,347 | $931.9K | 0.01% | −810−2.5% | Reduced |
| EntryPoint Capital, LLC | 31,628 | $940.3K | 0.28% | +8,616+37.4% | Added |
| Louisiana State Employees Retirement System | 32,900 | $978.1K | 0.02% | +1,300+4.1% | Added |
| SummerHaven Investment Management, LLC | 33,310 | $990.3K | 0.61% | −4,264−11.3% | Reduced |
| Public Employees Retirement System of Ohio | 33,419 | $993.5K | 0.00% | −1,139−3.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 33,929 | $1.01M | 0.00% | −19,542−36.5% | Reduced |
| Lighthouse Investment Partners, LLC | 35,603 | $1.06M | 0.04% | +35,603 | New |
| Unison Advisors LLC | 35,751 | $1.06M | 0.08% | 00.0% | Unchanged |
| Merrion Investment Management Co, LLC | 36,200 | $1.08M | 0.58% | +5,695+18.7% | Added |
| Group One Trading, L.P. | 36,640 | $1.09M | 0.04% | +36,640 | New |
| KLP Kapitalforvaltning AS | 37,300 | $1.11M | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 40,038 | $1.17M | 0.24% | +23,038+135.5% | Added |
| Axq Capital, LP | 39,671 | $1.18M | 0.15% | +21,906+123.3% | Added |
| Teachers Retirement System of the State of Kentucky | 39,808 | $1.18M | 0.01% | 00.0% | Unchanged |
| Walnut Level Capital LLC | 40,000 | $1.19M | 1.36% | −38,012−48.7% | Reduced |
| Great Lakes Advisors, LLC | 40,766 | $1.21M | 0.01% | +40,766 | New |
| CIBC Bancorp USA Inc. | 41,918 | $1.25M | 0.00% | +41,918 | New |
| Toroso Investments, LLC | 42,983 | $1.28M | 0.00% | +42,983 | New |
| Mutual of America Capital Management LLC | 43,534 | $1.29M | 0.01% | −3,961−8.3% | Reduced |
| State of Tennessee, Treasury Department | 44,319 | $1.32M | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 45,121 | $1.34M | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 45,180 | $1.34M | 0.00% | +45,180 | New |
| State of Wisconsin Investment Board | 45,516 | $1.35M | 0.00% | −10,389−18.6% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 45,705 | $1.36M | 0.00% | +9,792+27.3% | Added |
| Sit Investment Associates Inc | 46,575 | $1.39M | 0.03% | 00.0% | Unchanged |
| Entropy Technologies, LP | 48,875 | $1.45M | 0.07% | +20,642+73.1% | Added |
| Treasurer of the State of North Carolina | 49,153 | $1.46M | 0.00% | +1,044+2.2% | Added |
| Worldquant Millennium Advisors LLC | 50,799 | $1.51M | 0.01% | +50,799 | New |
| Police & Firemen's Retirement System of New Jersey | 50,818 | $1.51M | 0.01% | +6,178+13.8% | Added |
| Amalgamated Bank | 51,171 | $1.52M | 0.01% | −1,447−2.8% | Reduced |
| Janus Henderson Group PLC | 51,762 | $1.54M | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 52,935 | $1.57M | 0.00% | +5,952+12.7% | Added |
| Brevan Howard Capital Management LP | 53,012 | $1.58M | 0.02% | +22,437+73.4% | Added |
| CastleKnight Management LP | 54,200 | $1.61M | 0.08% | +54,200 | New |
| Occudo Quantitative Strategies LP | 56,724 | $1.62M | 0.09% | +40,238+244.1% | Added |
| Trexquant Investment LP | 56,031 | $1.67M | 0.01% | −46,885−45.6% | Reduced |
| Monetary Management Group Inc | 56,100 | $1.67M | 0.40% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 56,122 | $1.67M | 0.10% | +56,122 | New |
| XTX Topco Ltd | 56,253 | $1.67M | 0.03% | −58,498−51.0% | Reduced |
| Russell Investments Group, Ltd. | 57,611 | $1.71M | 0.00% | +1,450+2.6% | Added |
| Dba Trading, LLC | 60,000 | $1.78M | 0.89% | +15,000+33.3% | Added |