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 |
|---|---|---|---|---|---|
| Hotchkis & Wiley Capital Management LLC | 15,084,224 | $448.5M | 1.39% | −194,021−1.3% | Reduced |
| BlackRock, Inc. | 11,486,856 | $341.5M | 0.01% | −464,857−3.9% | Reduced |
| Dimensional Fund Advisors LP | 5,627,997 | $167.3M | 0.03% | +1,031,498+22.4% | Added |
| Vanguard Portfolio Management LLC | 5,439,407 | $161.7M | 0.01% | +5,439,407 | New |
| Vanguard Capital Management LLC | 5,038,968 | $149.8M | 0.00% | +5,038,968 | New |
| Fuller & Thaler Asset Management, Inc. | 5,015,877 | $149.1M | 0.50% | −866,867−14.7% | Reduced |
| State Street Corp | 4,800,018 | $142.7M | 0.00% | +62,520+1.3% | Added |
| Pzena Investment Management LLC | 4,431,613 | $131.8M | 0.43% | −76,300−1.7% | Reduced |
| Yacktman Asset Management LP | 4,092,211 | $121.7M | 1.62% | +169,893+4.3% | Added |
| Goldman Sachs Group Inc | 2,836,183 | $84.3M | 0.01% | +2,389,032+534.3% | Added |
| Geode Capital Management, LLC | 2,111,576 | $62.8M | 0.00% | +80,940+4.0% | Added |
| Semper Augustus Investments Group LLCSuperinvestorSemper Augustus | 2,029,319 | $60.3M | 7.21% | +85,879+4.4% | Added |
| Bank of America Corp | 1,774,009 | $52.7M | 0.00% | −19,237−1.1% | Reduced |
| Morgan Stanley | 1,651,667 | $49.1M | 0.00% | −169,187−9.3% | Reduced |
| Citadel Advisors LLC | 1,640,514 | $48.8M | 0.03% | +813,112+98.3% | Added |
| Charles Schwab Investment Management Inc | 1,557,182 | $46.3M | 0.01% | +67,676+4.5% | Added |
| Bank of New York Mellon Corp | 1,232,912 | $36.7M | 0.01% | +12,290+1.0% | Added |
| Two Sigma Investments, LP | 1,195,624 | $35.5M | 0.03% | +1,195,624 | New |
| AQR Capital Management LLC | 1,166,226 | $34.7M | 0.02% | +549,862+89.2% | Added |
| UBS Group AG | 1,122,054 | $33.4M | 0.01% | +23,742+2.2% | Added |
| Millennium Management LLC | 1,065,487 | $31.7M | 0.02% | +1,030,357+2,933.0% | Added |
| Northern Trust Corp | 989,256 | $29.4M | 0.00% | +26,753+2.8% | Added |
| Invesco Ltd. | 795,954 | $23.7M | 0.00% | −8,853−1.1% | Reduced |
| Gotham Asset Management, LLC | 791,070 | $23.5M | 0.07% | +458,914+138.2% | Added |
| Victory Capital Management Inc | 782,157 | $23.3M | 0.01% | −29,547−3.6% | Reduced |
| Raymond James Financial Inc | 721,822 | $21.5M | 0.01% | +550,940+322.4% | Added |
| FMR LLC | 719,722 | $21.4M | 0.00% | −120,867−14.4% | Reduced |
| First Trust Advisors LP | 713,041 | $21.2M | 0.02% | +318,588+80.8% | Added |
| Vanguard Fiduciary Trust Co | 706,029 | $21.0M | 0.01% | +706,029 | New |
| Amundi | 684,036 | $20.3M | 0.01% | +527,586+337.2% | Added |
| Bridgeway Capital Management, LLC | 664,843 | $19.8M | 0.40% | +664,843 | New |
| Tudor Investment Corp Et Al | 660,524 | $19.6M | 0.11% | +496,385+302.4% | Added |
| Wolf Hill Capital Management, LP | 633,516 | $18.8M | 2.67% | +633,516 | New |
| MetLife Investment Management | 627,557 | $18.7M | 0.10% | +571,783+1,025.2% | Added |
| Merewether Investment Management, LP | 623,377 | $18.5M | 0.36% | +623,377 | New |
| Nuveen, LLC | 576,883 | $17.2M | 0.00% | +415,759+258.0% | Added |
| D. E. Shaw & Co., Inc. | 573,992 | $17.1M | 0.01% | +345,355+151.0% | Added |
| PDT Partners, LLC | 507,411 | $15.1M | 0.89% | +507,411 | New |
| Segall Bryant & Hamill, LLC | 496,791 | $14.8M | 0.21% | +496,791 | New |
| KLCM Advisors, Inc. | 473,056 | $14.1M | 1.22% | +5,895+1.3% | Added |
| Allianz Asset Management GmbH | 470,865 | $14.0M | 0.02% | +132,622+39.2% | Added |
| Retirement Systems of Alabama | 452,567 | $13.5M | 0.04% | +315,602+230.4% | Added |
| Grizzlyrock Capital, LLC | 445,094 | $13.2M | 10.48% | +277,094+164.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 435,752 | $13.0M | 0.03% | −63,887−12.8% | Reduced |
| Empowered Funds, LLC | 435,599 | $13.0M | 0.08% | +435,599 | New |
| Citigroup Inc | 407,235 | $12.1M | 0.01% | +224,083+122.3% | Added |
| Quantinno Capital Management LP | 405,798 | $12.1M | 0.02% | −9,065−2.2% | Reduced |
| Mackenzie Financial Corp | 396,180 | $11.8M | 0.01% | +396,180 | New |
| SG Americas Securities, LLC | 353,924 | $10.5M | 0.01% | −101,833−22.3% | Reduced |
| Readystate Asset Management LP | 350,842 | $10.4M | 0.61% | +350,842 | New |
| Susquehanna Portfolio Strategies, LLC | 328,913 | $9.78M | 0.15% | +19,100+6.2% | Added |
| American Century Companies Inc | 318,085 | $9.46M | 0.00% | +2,431+0.8% | Added |
| Jane Street Group, LLC | 313,901 | $9.33M | 0.01% | −12,868−3.9% | Reduced |
| UBS Asset Management Americas Inc | 301,587 | $8.97M | 0.00% | −2,069−0.7% | Reduced |
| LPL Financial LLC | 284,270 | $8.45M | 0.00% | +44,524+18.6% | Added |
| Rhumbline Advisers | 275,287 | $8.18M | 0.01% | +2,478+0.9% | Added |
| Balyasny Asset Management LLC | 272,045 | $8.09M | 0.02% | +272,045 | New |
| Principal Financial Group Inc | 253,727 | $7.54M | 0.00% | +8,294+3.4% | Added |
| ExodusPoint Capital Management, LP | 247,536 | $7.36M | 0.07% | +29,079+13.3% | Added |
| Susquehanna International Group, LLP | 243,298 | $7.23M | 0.01% | +8,949+3.8% | Added |
| JPMorgan Chase & Co | 250,233 | $7.23M | 0.00% | −94,096−27.3% | Reduced |
| BNP Paribas Arbitrage, SA | 232,173 | $6.90M | 0.00% | +191,792+475.0% | Added |
| Edgestream Partners, L.P. | 231,874 | $6.89M | 0.23% | +231,874 | New |
| Rokos Capital Management LLP | 229,817 | $6.83M | 0.12% | +229,817 | New |
| Swiss National Bank | 226,032 | $6.72M | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 225,438 | $6.70M | 0.00% | +38,307+20.5% | Added |
| Gabelli Funds LLC | 221,243 | $6.58M | 0.04% | −2,658−1.2% | Reduced |
| Lloyd Harbor Capital Management, LLC | 220,000 | $6.54M | 3.39% | +220,000 | New |
| Stanley-Laman Group, Ltd. | 214,704 | $6.38M | 0.79% | +36,026+20.2% | Added |
| First Eagle Investment Management, LLC | 213,752 | $6.35M | 0.01% | +213,752 | New |
| Tiptree Advisors, LLC | 205,000 | $6.09M | 3.54% | +205,000 | New |
| Walleye Capital LLC | 201,569 | $5.99M | 0.04% | −136,962−40.5% | Reduced |
| Loews Corp | 200,000 | $5.95M | 0.05% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 197,018 | $5.86M | 0.19% | +197,018 | New |
| Legal & General Group Plc | 196,036 | $5.83M | 0.00% | −18,900−8.8% | Reduced |
| Old West Investment Management, LLC | 192,371 | $5.72M | 0.62% | +192,371 | New |
| CenterBook Partners LP | 188,122 | $5.59M | 0.30% | −300,208−61.5% | Reduced |
| Barclays PLC | 184,999 | $5.50M | 0.00% | +94,756+105.0% | Added |
| Stifel Financial Corp | 182,686 | $5.43M | 0.00% | +114,868+169.4% | Added |
| Gamco Investors, Inc. Et Al | 179,164 | $5.33M | 0.05% | +276+0.2% | Added |
| Bridgewater Associates, LP | 178,567 | $5.31M | 0.02% | +1,061+0.6% | Added |
| SEI Investments Co | 169,374 | $5.04M | 0.00% | +96,516+132.5% | Added |
| Qsemble Capital Management, LP | 156,844 | $4.66M | 0.36% | +156,844 | New |
| Holocene Advisors, LP | 156,693 | $4.66M | 0.01% | +310+0.2% | Added |
| Royal Bank of Canada | 154,564 | $4.59M | 0.00% | −4,500−2.8% | Reduced |
| Harbor Capital Advisors, Inc. | 154,266 | $4.59M | 0.37% | +22,253+16.9% | Added |
| Point72 Asset Management, L.P. | 151,095 | $4.49M | 0.01% | −1,098,216−87.9% | Reduced |
| Wells Fargo & Company | 150,791 | $4.48M | 0.00% | +99,057+191.5% | Added |
| Quantbot Technologies LP | 136,618 | $4.06M | 0.17% | +131,335+2,486.0% | Added |
| California State Teachers Retirement System | 134,579 | $4.00M | 0.00% | +26,102+24.1% | Added |
| Thomist Capital Management, LP | 134,000 | $3.98M | 1.36% | −371,833−73.5% | Reduced |
| Algert Global LLC | 131,090 | $3.90M | 0.06% | −131,110−50.0% | Reduced |
| State of Alaska, Department of Revenue | 130,865 | $3.89M | 0.04% | +400+0.3% | Added |
| IMC-Chicago, LLC | 127,840 | $3.80M | 0.06% | +83,638+189.2% | Added |
| State Board of Administration of Florida Retirement System | 125,954 | $3.74M | 0.01% | −2,128−1.7% | Reduced |
| New York State Teachers Retirement System | 116,238 | $3.46M | 0.01% | −3,715−3.1% | Reduced |
| Canada Pension Plan Investment Board | 108,600 | $3.23M | 0.00% | −173,100−61.4% | Reduced |
| Marshall Wace, LLP | 107,320 | $3.19M | 0.00% | −103,758−49.2% | Reduced |
| Voleon Capital Management LP | 105,790 | $3.15M | 0.07% | +47,301+80.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 102,554 | $3.05M | 0.06% | +28,247+38.0% | Added |