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 |
|---|---|---|---|---|---|
| ARGA Investment Management, LP | 61,315 | $1.82M | 0.06% | +1,502+2.5% | Added |
| Summit Trail Advisors, LLC | 61,561 | $1.83M | 0.03% | +18,968+44.5% | Added |
| Schonfeld Strategic Advisors LLC | 62,777 | $1.87M | 0.02% | +25,547+68.6% | Added |
| Creative Planning | 63,535 | $1.89M | 0.00% | +19,905+45.6% | Added |
| Virginia Retirement Systems Et Al | 63,928 | $1.90M | 0.01% | 00.0% | Unchanged |
| Sciencast Management LP | 66,003 | $1.96M | 0.25% | +66,003 | New |
| Wolverine Asset Management LLC | 66,794 | $1.99M | 0.03% | 00.0% | Unchanged |
| Walleye Trading LLC | 68,049 | $2.02M | 0.04% | −5,078−6.9% | Reduced |
| Great West Life Assurance Co | 69,672 | $2.07M | 0.00% | −2,218−3.1% | Reduced |
| Fruth Investment Management | 69,862 | $2.08M | 0.52% | −450−0.6% | Reduced |
| Manufacturers Life Insurance Company, The | 74,268 | $2.21M | 0.00% | −3,254−4.2% | Reduced |
| HRT Financial LP | 74,860 | $2.23M | 0.01% | +74,860 | New |
| Oak Thistle LLC | 76,643 | $2.28M | 0.22% | +76,643 | New |
| AMG National Trust Bank | 81,901 | $2.43M | 0.05% | −1,993−2.4% | Reduced |
| Saba Capital Management, L.P. | 84,036 | $2.50M | 0.08% | −49,187−36.9% | Reduced |
| Wedge Capital Management L L P | 87,747 | $2.61M | 0.05% | +111+0.1% | Added |
| Vanguard Asset Management, Ltd | 87,794 | $2.61M | 0.00% | +87,794 | New |
| Price T Rowe Associates Inc | 90,665 | $2.70M | 0.00% | +6,678+8.0% | Added |
| State of New Jersey Common Pension Fund D | 92,625 | $2.75M | 0.01% | +92,625 | New |
| Madison Asset Management, LLC | 96,657 | $2.87M | 0.04% | −959−1.0% | Reduced |
| Alliancebernstein L.P. | 141,483 | $2.95M | 0.00% | +12,208+9.4% | Added |
| Fifth Third Bancorp | 100,847 | $3.00M | 0.01% | +99,823+9,748.3% | Added |
| Y-Intercept (Hong Kong) Ltd | 102,554 | $3.05M | 0.06% | +28,247+38.0% | Added |
| Voleon Capital Management LP | 105,790 | $3.15M | 0.07% | +47,301+80.9% | Added |
| Marshall Wace, LLP | 107,320 | $3.19M | 0.00% | −103,758−49.2% | Reduced |
| Canada Pension Plan Investment Board | 108,600 | $3.23M | 0.00% | −173,100−61.4% | Reduced |
| New York State Teachers Retirement System | 116,238 | $3.46M | 0.01% | −3,715−3.1% | Reduced |
| State Board of Administration of Florida Retirement System | 125,954 | $3.74M | 0.01% | −2,128−1.7% | Reduced |
| IMC-Chicago, LLC | 127,840 | $3.80M | 0.06% | +83,638+189.2% | Added |
| State of Alaska, Department of Revenue | 130,865 | $3.89M | 0.04% | +400+0.3% | Added |
| Algert Global LLC | 131,090 | $3.90M | 0.06% | −131,110−50.0% | Reduced |
| Thomist Capital Management, LP | 134,000 | $3.98M | 1.36% | −371,833−73.5% | Reduced |
| California State Teachers Retirement System | 134,579 | $4.00M | 0.00% | +26,102+24.1% | Added |
| Quantbot Technologies LP | 136,618 | $4.06M | 0.17% | +131,335+2,486.0% | Added |
| Wells Fargo & Company | 150,791 | $4.48M | 0.00% | +99,057+191.5% | Added |
| Point72 Asset Management, L.P. | 151,095 | $4.49M | 0.01% | −1,098,216−87.9% | Reduced |
| Harbor Capital Advisors, Inc. | 154,266 | $4.59M | 0.37% | +22,253+16.9% | Added |
| Royal Bank of Canada | 154,564 | $4.59M | 0.00% | −4,500−2.8% | Reduced |
| Holocene Advisors, LP | 156,693 | $4.66M | 0.01% | +310+0.2% | Added |
| Qsemble Capital Management, LP | 156,844 | $4.66M | 0.36% | +156,844 | New |
| SEI Investments Co | 169,374 | $5.04M | 0.00% | +96,516+132.5% | Added |
| Bridgewater Associates, LP | 178,567 | $5.31M | 0.02% | +1,061+0.6% | Added |
| Gamco Investors, Inc. Et Al | 179,164 | $5.33M | 0.05% | +276+0.2% | Added |
| Stifel Financial Corp | 182,686 | $5.43M | 0.00% | +114,868+169.4% | Added |
| Barclays PLC | 184,999 | $5.50M | 0.00% | +94,756+105.0% | Added |
| CenterBook Partners LP | 188,122 | $5.59M | 0.30% | −300,208−61.5% | Reduced |
| Old West Investment Management, LLC | 192,371 | $5.72M | 0.62% | +192,371 | New |
| Legal & General Group Plc | 196,036 | $5.83M | 0.00% | −18,900−8.8% | Reduced |
| SummitTX Capital, L.P. | 197,018 | $5.86M | 0.19% | +197,018 | New |
| Loews Corp | 200,000 | $5.95M | 0.05% | 00.0% | Unchanged |
| Walleye Capital LLC | 201,569 | $5.99M | 0.04% | −136,962−40.5% | Reduced |
| Tiptree Advisors, LLC | 205,000 | $6.09M | 3.54% | +205,000 | New |
| First Eagle Investment Management, LLC | 213,752 | $6.35M | 0.01% | +213,752 | New |
| Stanley-Laman Group, Ltd. | 214,704 | $6.38M | 0.79% | +36,026+20.2% | Added |
| Lloyd Harbor Capital Management, LLC | 220,000 | $6.54M | 3.39% | +220,000 | New |
| Gabelli Funds LLC | 221,243 | $6.58M | 0.04% | −2,658−1.2% | Reduced |
| Ameriprise Financial Inc | 225,438 | $6.70M | 0.00% | +38,307+20.5% | Added |
| Swiss National Bank | 226,032 | $6.72M | 0.00% | 00.0% | Unchanged |
| Rokos Capital Management LLP | 229,817 | $6.83M | 0.12% | +229,817 | New |
| Edgestream Partners, L.P. | 231,874 | $6.89M | 0.23% | +231,874 | New |
| BNP Paribas Arbitrage, SA | 232,173 | $6.90M | 0.00% | +191,792+475.0% | Added |
| JPMorgan Chase & Co | 250,233 | $7.23M | 0.00% | −94,096−27.3% | Reduced |
| Susquehanna International Group, LLP | 243,298 | $7.23M | 0.01% | +8,949+3.8% | Added |
| ExodusPoint Capital Management, LP | 247,536 | $7.36M | 0.07% | +29,079+13.3% | Added |
| Principal Financial Group Inc | 253,727 | $7.54M | 0.00% | +8,294+3.4% | Added |
| Balyasny Asset Management LLC | 272,045 | $8.09M | 0.02% | +272,045 | New |
| Rhumbline Advisers | 275,287 | $8.18M | 0.01% | +2,478+0.9% | Added |
| LPL Financial LLC | 284,270 | $8.45M | 0.00% | +44,524+18.6% | Added |
| UBS Asset Management Americas Inc | 301,587 | $8.97M | 0.00% | −2,069−0.7% | Reduced |
| Jane Street Group, LLC | 313,901 | $9.33M | 0.01% | −12,868−3.9% | Reduced |
| American Century Companies Inc | 318,085 | $9.46M | 0.00% | +2,431+0.8% | Added |
| Susquehanna Portfolio Strategies, LLC | 328,913 | $9.78M | 0.15% | +19,100+6.2% | Added |
| Readystate Asset Management LP | 350,842 | $10.4M | 0.61% | +350,842 | New |
| SG Americas Securities, LLC | 353,924 | $10.5M | 0.01% | −101,833−22.3% | Reduced |
| Mackenzie Financial Corp | 396,180 | $11.8M | 0.01% | +396,180 | New |
| Quantinno Capital Management LP | 405,798 | $12.1M | 0.02% | −9,065−2.2% | Reduced |
| Citigroup Inc | 407,235 | $12.1M | 0.01% | +224,083+122.3% | Added |
| Empowered Funds, LLC | 435,599 | $13.0M | 0.08% | +435,599 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 435,752 | $13.0M | 0.03% | −63,887−12.8% | Reduced |
| Grizzlyrock Capital, LLC | 445,094 | $13.2M | 10.48% | +277,094+164.9% | Added |
| Retirement Systems of Alabama | 452,567 | $13.5M | 0.04% | +315,602+230.4% | Added |
| Allianz Asset Management GmbH | 470,865 | $14.0M | 0.02% | +132,622+39.2% | Added |
| KLCM Advisors, Inc. | 473,056 | $14.1M | 1.22% | +5,895+1.3% | Added |
| Segall Bryant & Hamill, LLC | 496,791 | $14.8M | 0.21% | +496,791 | New |
| PDT Partners, LLC | 507,411 | $15.1M | 0.89% | +507,411 | New |
| D. E. Shaw & Co., Inc. | 573,992 | $17.1M | 0.01% | +345,355+151.0% | Added |
| Nuveen, LLC | 576,883 | $17.2M | 0.00% | +415,759+258.0% | Added |
| Merewether Investment Management, LP | 623,377 | $18.5M | 0.36% | +623,377 | New |
| MetLife Investment Management | 627,557 | $18.7M | 0.10% | +571,783+1,025.2% | Added |
| Wolf Hill Capital Management, LP | 633,516 | $18.8M | 2.67% | +633,516 | New |
| Tudor Investment Corp Et Al | 660,524 | $19.6M | 0.11% | +496,385+302.4% | Added |
| Bridgeway Capital Management, LLC | 664,843 | $19.8M | 0.40% | +664,843 | New |
| Amundi | 684,036 | $20.3M | 0.01% | +527,586+337.2% | Added |
| Vanguard Fiduciary Trust Co | 706,029 | $21.0M | 0.01% | +706,029 | New |
| First Trust Advisors LP | 713,041 | $21.2M | 0.02% | +318,588+80.8% | Added |
| FMR LLC | 719,722 | $21.4M | 0.00% | −120,867−14.4% | Reduced |
| Raymond James Financial Inc | 721,822 | $21.5M | 0.01% | +550,940+322.4% | Added |
| Victory Capital Management Inc | 782,157 | $23.3M | 0.01% | −29,547−3.6% | Reduced |
| Gotham Asset Management, LLC | 791,070 | $23.5M | 0.07% | +458,914+138.2% | Added |
| Invesco Ltd. | 795,954 | $23.7M | 0.00% | −8,853−1.1% | Reduced |