OlinOLN
13F holders, Q1 2026 (March 31)422holders +43
99new positions
58sold out
11famous investors
$29.72avg. 13F price*
At the end of Q1 2026, 422 institutions reported holding Olin Corp. (OLN) in their 13F filings, up 43 from Q4 2025. 99 opened new positions and 58 sold out. The largest holders were Hotchkis & Wiley Capital Management LLC ($448.5M), BlackRock, Inc. ($341.5M) and Dimensional Fund Advisors LP ($167.3M). 11 famous investors held it, including Chris Bloomstran (7.2% of Semper Augustus Investments's portfolio), Stephen Yacktman (1.6% of Yacktman Asset Management's portfolio) and Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio).
- Company
- Olin Corp.
- CUSIP
- 680665205
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 99 | $249.6M |
| Exits | 58 | $191.0M |
All 13F filers, Q4 2025 → Q1 2026: 20,984,656 shares bought and 14,382,579 shares sold, net +6,602,077 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 422 holders
| Hotchkis & Wiley Capital Management LLC | 1.39% | Reduce -1.3% | 15,084,224 | $448.5M |
| BlackRock, Inc. | 0.01% | Reduce -3.9% | 11,486,856 | $341.5M |
| Dimensional Fund Advisors LP | 0.03% | Add +22.4% | 5,627,997 | $167.3M |
| Vanguard Portfolio Management LLC | 0.01% | — | 5,439,407 | $161.7M |
| Vanguard Capital Management LLC | 0.00% | — | 5,038,968 | $149.8M |
| Fuller & Thaler Asset Management, Inc. | 0.50% | Reduce -14.7% | 5,015,877 | $149.1M |
| State Street Corp. | 0.00% | Add +1.3% | 4,800,018 | $142.7M |
| Pzena Investment Management LLC | 0.43% | Reduce -1.7% | 4,431,613 | $131.8M |
| Yacktman Asset Management | 1.62% | Add +4.3% | 4,092,211 | $121.7M |
| Goldman Sachs Group Inc. | 0.01% | Add +534.3% | 2,836,183 | $84.3M |
| Geode Capital Management, LLC | 0.00% | Add +4.0% | 2,111,576 | $62.8M |
| Semper Augustus Investments | 7.21% | Add +4.4% | 2,029,319 | $60.3M |
| Bank of America Corp. | 0.00% | Reduce -1.1% | 1,774,009 | $52.7M |
| Morgan Stanley | 0.00% | Reduce -9.3% | 1,651,667 | $49.1M |
| Citadel Advisors | 0.04% | Add +98.3% | 1,640,514 | $48.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +4.5% | 1,557,182 | $46.3M |
| Bank of New York Mellon Corp | 0.01% | Add +1.0% | 1,232,912 | $36.7M |
| Two Sigma Investments, LP | 0.03% | New | 1,195,624 | $35.5M |
| AQR Capital Management | 0.02% | Add +89.2% | 1,166,226 | $34.7M |
| UBS Group AG | 0.01% | Add +2.2% | 1,122,054 | $33.4M |
| Millennium Management | 0.02% | Add +2933.0% | 1,065,487 | $31.7M |
| Northern Trust Corp. | 0.00% | Add +2.8% | 989,256 | $29.4M |
| Invesco Ltd. | 0.00% | Reduce -1.1% | 795,954 | $23.7M |
| Gotham Asset Management | 0.07% | Add +138.2% | 791,070 | $23.5M |
| Victory Capital Management Inc. | 0.01% | Reduce -3.6% | 782,157 | $23.3M |
| Raymond James Financial Inc. | 0.01% | Add +322.4% | 721,822 | $21.5M |
| FMR LLC | 0.00% | Reduce -14.4% | 719,722 | $21.4M |
| First Trust Advisors LP | 0.02% | Add +80.8% | 713,041 | $21.2M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 706,029 | $21.0M |
| Amundi | 0.01% | Add +337.2% | 684,036 | $20.3M |
| Bridgeway Capital Management, LLC | 0.40% | New | 664,843 | $19.8M |
| Tudor Investment Corporation | 0.11% | Add +302.4% | 660,524 | $19.6M |
| Wolf Hill Capital Management, LP | 2.67% | New | 633,516 | $18.8M |
| MetLife Investment Management, LLC | 0.10% | Add +1025.2% | 627,557 | $18.7M |
| Merewether Investment Management, LP | 0.36% | New | 623,377 | $18.5M |
| Nuveen, LLC | 0.00% | Add +258.0% | 576,883 | $17.2M |
| D. E. Shaw & Co. | 0.01% | Add +151.1% | 573,992 | $17.1M |
| PDT Partners, LLC | 0.89% | New | 507,411 | $15.1M |
| Segall Bryant & Hamill, LLC | 0.21% | New | 496,791 | $14.8M |
| KLCM Advisors, Inc. | 1.22% | Add +1.3% | 473,056 | $14.1M |
| Allianz Asset Management GmbH | 0.02% | Add +39.2% | 470,865 | $14.0M |
| Retirement Systems of Alabama | 0.04% | Add +230.4% | 452,567 | $13.5M |
| Grizzlyrock Capital, LLC | 10.48% | Add +164.9% | 445,094 | $13.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | Reduce -12.8% | 435,752 | $13.0M |
| Empowered Funds, LLC | 0.08% | New | 435,599 | $13.0M |
| Citigroup Inc. | 0.01% | Add +122.3% | 407,235 | $12.1M |
| Quantinno Capital Management LP | 0.02% | Reduce -2.2% | 405,798 | $12.1M |
| Mackenzie Financial Corp. | 0.01% | New | 396,180 | $11.8M |
| SG Americas Securities, LLC | 0.01% | Reduce -22.3% | 353,924 | $10.5M |
| Readystate Asset Management LP | 1.07% | New | 350,842 | $10.4M |
| Susquehanna Portfolio Strategies, LLC | 0.15% | Add +6.2% | 328,913 | $9.8M |
| American Century Companies Inc. | 0.00% | Add +0.8% | 318,085 | $9.5M |
| Jane Street Group, LLC | 0.01% | Reduce -3.9% | 313,901 | $9.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -0.7% | 301,587 | $9.0M |
| LPL Financial LLC | 0.00% | Add +18.6% | 284,270 | $8.5M |
| Rhumbline Advisers | 0.01% | Add +0.9% | 275,287 | $8.2M |
| Balyasny Asset Management L.P. | 0.02% | New | 272,045 | $8.1M |
| Principal Financial Group Inc. | 0.00% | Add +3.4% | 253,727 | $7.5M |
| ExodusPoint Capital Management, LP | 0.07% | Add +13.3% | 247,536 | $7.4M |
| Susquehanna International Group, LLP | 0.01% | Add +3.8% | 243,298 | $7.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -27.3% | 250,233 | $7.2M |
| BNP Paribas Financial Markets | 0.00% | Add +475.0% | 232,173 | $6.9M |
| Edgestream Partners, L.P. | 0.23% | New | 231,874 | $6.9M |
| Rokos Capital Management LLP | 0.12% | New | 229,817 | $6.8M |
| Swiss National Bank | 0.00% | No change | 226,032 | $6.7M |
| Ameriprise Financial Inc. | 0.00% | Add +20.5% | 225,438 | $6.7M |
| Gabelli Funds LLC | 0.04% | Reduce -1.2% | 221,243 | $6.6M |
| Lloyd Harbor Capital Management, LLC | 3.39% | New | 220,000 | $6.5M |
| Stanley-Laman Group, Ltd. | 0.78% | Add +20.2% | 214,704 | $6.4M |
| First Eagle Investment Management, LLC | 0.01% | New | 213,752 | $6.4M |
| Tiptree Advisors, LLC | 3.54% | New | 205,000 | $6.1M |
| Walleye Capital LLC | 0.04% | Reduce -40.5% | 201,569 | $6.0M |
| Loews Corp | 0.05% | No change | 200,000 | $5.9M |
| SummitTX Capital, L.P. | 0.19% | New | 197,018 | $5.9M |
| Legal & General Group Plc | 0.00% | Reduce -8.8% | 196,036 | $5.8M |
| Old West Investment Management, LLC | 0.62% | New | 192,371 | $5.7M |
| CenterBook Partners LP | 0.30% | Reduce -61.5% | 188,122 | $5.6M |
| Barclays PLC | 0.00% | Add +105.0% | 184,999 | $5.5M |
| Stifel Financial Corp. | 0.01% | Add +169.4% | 182,686 | $5.4M |
| GAMCO Investors | 0.05% | Add +0.1% | 179,164 | $5.3M |
| Bridgewater Associates | 0.02% | Add +0.6% | 178,567 | $5.3M |
| Sei Investments Co. | 0.00% | Add +132.5% | 169,374 | $5.0M |
| Qsemble Capital Management, LP | 0.36% | New | 156,844 | $4.7M |
| Holocene Advisors, LP | 0.01% | Add +0.2% | 156,693 | $4.7M |
| Royal Bank of Canada | 0.00% | Reduce -2.8% | 154,564 | $4.6M |
| Harbor Capital Advisors, Inc. | 0.37% | Add +16.9% | 154,266 | $4.6M |
| Point72 Asset Management | 0.01% | Reduce -87.9% | 151,095 | $4.5M |
| Wells Fargo & Company | 0.00% | Add +191.5% | 150,791 | $4.5M |
| Quantbot Technologies LP | 0.17% | Add +2486.0% | 136,618 | $4.1M |
| California State Teachers Retirement System | 0.00% | Add +24.1% | 134,579 | $4.0M |
| Thomist Capital Management, LP | 1.36% | Reduce -73.5% | 134,000 | $4.0M |
| Algert Global LLC | 0.06% | Reduce -50.0% | 131,090 | $3.9M |
| State of Alaska, Department of Revenue | 0.04% | Add +0.3% | 130,865 | $3.9M |
| IMC-Chicago, LLC | 0.06% | Add +189.2% | 127,840 | $3.8M |
| State Board of Administration of Florida Retirement System | 0.01% | Reduce -1.7% | 125,954 | $3.7M |
| New York State Teachers Retirement System | 0.01% | Reduce -3.1% | 116,238 | $3.5M |
| Canada Pension Plan Investment Board | 0.00% | Reduce -61.5% | 108,600 | $3.2M |
| Marshall Wace, LLP | 0.00% | Reduce -49.2% | 107,320 | $3.2M |
| Voleon Capital Management LP | 0.07% | Add +80.9% | 105,790 | $3.1M |
| Y-Intercept (Hong Kong) Ltd | 0.06% | Add +38.0% | 102,554 | $3.0M |
"% of holder's portfolio" is OLN's weight in each manager's 13F, not the share of Olin Corp. the manager owns.