OLIN CORP (OLN)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
Institutions report 113,812,196 shares against 113,982,490 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. A figure this high can overstate: where an adviser and a sub-adviser both report the same shares, both are counted.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $317.5M | 16,021,214 | 0.93% | 17q | +6.2%+$18.6M |
| BlackRock, Inc. | $237.5M | 11,984,254 | 0.00% | 8q | +4.3%+$9.9M |
| DIMENSIONAL FUND ADVISORS LP | $122.2M | 6,166,477 | 0.02% | 31q | +9.6%+$10.7M |
| AQR CAPITAL MANAGEMENT LLC | $109.2M | 5,510,335 | 0.04% | 24q | +372.5%+$86.1M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $108.0M | 5,447,478 | 0.00% | 2q | HELD |
| VANGUARD CAPITAL MANAGEMENT LLC | $101.8M | 5,138,572 | 0.00% | 2q | +2.0%+$2.0M |
| STATE STREET CORP | $95.1M | 4,799,788 | 0.00% | 31q | HELD |
| FULLER & THALER ASSET MANAGEMENT, INC. | $85.3M | 4,301,590 | 0.23% | 24q | -14.2%-$14.2M |
| YACKTMAN ASSET MANAGEMENT LP | $83.4M | 4,209,403 | 1.03% | 13q | +2.9%+$2.3M |
| PZENA INVESTMENT MANAGEMENT LLC | $77.1M | 3,890,204 | 0.23% | 27q | -12.2%-$10.7M |
| CITADEL ADVISORS LLC | $51.3M incl. $7.1M options CALL+PUT | 2,233,816 | 0.01% | 31q | +36.2%+$13.6M |
| GOLDMAN SACHS GROUP INC | $50.5M | 2,550,105 | 0.00% | 31q | -10.1%-$5.7M |
| SEMPER AUGUSTUS INVESTMENTS GROUP LLC | $42.7M | 2,153,826 | 4.83% | 28q | +6.1%+$2.5M |
| GEODE CAPITAL MANAGEMENT, LLC | $41.8M | 2,107,148 | 0.00% | 31q | HELD |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $30.6M | 1,543,162 | 0.00% | 31q | -0.9%-$277.9K |
| MORGAN STANLEY | $27.4M | 1,384,610 | 0.00% | 35q | -16.2%-$5.3M |
| CAPTRUST FINANCIAL ADVISORS | $26.2M | 1,321,951 | 0.04% | 3q | +6314.7%+$25.8M |
| BANK OF AMERICA CORP /DE/ | $25.4M | 1,284,002 | 0.00% | 31q | -27.6%-$9.7M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $24.1M incl. $18.8M options CALL+PUT | 264,487 | 0.00% | 31q | +8.7%+$1.9M |
| Bank of New York Mellon Corp | $23.8M | 1,200,056 | 0.00% | 31q | -2.7%-$651.2K |
| JPMORGAN CHASE & CO | $20.4M | 976,669 | 0.00% | 31q | +290.3%+$15.2M |
| NORTHERN TRUST CORP | $19.9M | 1,004,672 | 0.00% | 31q | +1.6%+$305.5K |
| Allianz Asset Management GmbH | $19.3M | 972,709 | 0.02% | 9q | +106.6%+$9.9M |
| Invesco Ltd. | $15.4M | 779,328 | 0.00% | 31q | -2.1%-$329.5K |
| VICTORY CAPITAL MANAGEMENT INC | $15.3M | 773,430 | 0.01% | 28q | -1.1%-$173.0K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | $14.8M | 744,606 | 0.26% | 2q | +12.0%+$1.6M |
| UBS Group AG | $14.3M | 720,044 | 0.00% | 31q | -35.8%-$8.0M |
| VANGUARD FIDUCIARY TRUST CO | $14.3M | 719,513 | 0.00% | 2q | +1.9%+$267.3K |
| RAYMOND JAMES FINANCIAL INC | $13.5M | 683,398 | 0.00% | 7q | -5.3%-$761.6K |
| FMR LLC | $12.2M | 615,925 | 0.00% | 31q | -14.4%-$2.1M |
| JANE STREET GROUP, LLC | $11.7M incl. $10.9M options CALL+PUT | 37,694 | 0.00% | 27q | -88.0%-$85.4M |
| Nuveen, LLC | $11.6M | 584,249 | 0.00% | 6q | +1.3%+$146.0K |
| PDT Partners, LLC | $11.1M | 558,806 | 0.58% | 2q | +10.1%+$1.0M |
| Gotham Asset Management, LLC | $11.0M | 552,774 | 0.03% | 7q | -30.1%-$4.7M |
| Empowered Funds, LLC | $10.0M | 505,046 | 0.05% | 2q | +15.9%+$1.4M |
| TWO SIGMA INVESTMENTS, LP | $9.7M | 491,216 | 0.01% | 2q | -58.9%-$14.0M |
| SEGALL BRYANT & HAMILL, LLC | $9.7M | 490,909 | 0.12% | 2q | -1.2%-$116.6K |
| FIRST TRUST ADVISORS LP | $9.6M | 483,174 | 0.01% | 31q | -32.2%-$4.6M |
| Point72 Asset Management, L.P. | $9.3M incl. $2.5M options CALL+PUT | 344,951 | 0.01% | 3q | +128.3%+$5.2M |
| MetLife Investment Management, LLC | $9.1M | 457,439 | 0.04% | 32q | -27.1%-$3.4M |
| Balyasny Asset Management L.P. | $9.0M | 452,869 | 0.01% | 2q | +66.5%+$3.6M |
| KLCM Advisors, Inc. | $8.9M | 448,278 | 0.70% | 4q | -5.2%-$491.1K |
| CenterBook Partners LP | $8.8M | 441,585 | 0.43% | 4q | +134.7%+$5.0M |
| Retirement Systems of Alabama | $8.5M | 431,103 | 0.03% | 31q | -4.7%-$425.4K |
| Connor, Clark & Lunn Investment Management Ltd. | $8.5M | 428,602 | 0.02% | 7q | -1.6%-$141.7K |
| Quantinno Capital Management LP | $8.4M | 426,132 | 0.01% | 19q | +5.0%+$403.0K |
| GRIZZLYROCK CAPITAL, LLC | $7.8M | 395,094 | 5.48% | 4q | -11.2%-$991.0K |
| AMERICAN CENTURY COMPANIES INC | $7.0M | 355,085 | 0.00% | 23q | +11.6%+$733.3K |
| Old West Investment Management, LLC | $6.4M | 323,869 | 0.68% | 2q | +68.4%+$2.6M |
| IMC-Chicago, LLC | $6.4M incl. $5.2M options CALL+PUT | 58,881 | 0.00% | 11q | -53.9%-$7.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $6.3M | 317,742 | 0.00% | 31q | +5.4%+$320.2K |
| Susquehanna Portfolio Strategies, LLC | $5.9M | 299,428 | 0.09% | 3q | -9.0%-$584.4K |
| LPL Financial LLC | $5.8M | 292,319 | 0.00% | 31q | +2.8%+$159.5K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | $5.7M | 289,311 | 0.02% | 3q | +48038.3%+$5.7M |
| RENAISSANCE TECHNOLOGIES LLC | $5.6M | 283,500 | 0.01% | new | NEW |
| RHUMBLINE ADVISERS | $5.5M | 279,364 | 0.00% | 31q | +1.5%+$80.8K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $5.5M | 277,898 | 0.00% | new | NEW |
| AMERIPRISE FINANCIAL INC | $5.2M | 260,709 | 0.00% | 31q | +15.6%+$699.1K |
| PRINCIPAL FINANCIAL GROUP INC | $5.1M | 258,674 | 0.00% | 31q | +1.9%+$98.0K |
| Man Group plc | $5.0M | 251,926 | 0.01% | new | NEW |
| AQR Arbitrage LLC | $4.5M | 228,711 | 0.06% | new | NEW |
| Swiss National Bank | $4.5M | 228,532 | 0.00% | 31q | +1.1%+$49.5K |
| GABELLI FUNDS LLC | $4.4M | 220,285 | 0.03% | 31q | HELD |
| Stanley-Laman Group, Ltd. | $4.3M | 215,050 | 0.43% | 3q | HELD |
| Engineers Gate Manager LP | $4.2M | 210,478 | 0.05% | 2q | +1601.5%+$3.9M |
| XTX Topco Ltd | $4.1M | 207,700 | 0.05% | 3q | +269.2%+$3.0M |
| ALLIANCEBERNSTEIN L.P. | $3.9M | 129,888 | 0.00% | 31q | -8.2%-$344.7K |
| Legal & General Group Plc | $3.8M | 191,875 | 0.00% | 31q | -2.1%-$82.5K |
| HSBC HOLDINGS PLC | $3.7M | 187,845 | 0.00% | new | NEW |
| STIFEL FINANCIAL CORP | $3.7M | 185,248 | 0.00% | 31q | +1.4%+$50.8K |
| GAMCO INVESTORS, INC. ET AL | $3.6M | 180,095 | 0.03% | 31q | +0.5%+$18.5K |
| HARBOR CAPITAL ADVISORS, INC. | $3.5M | 177,766 | 0.24% | 10q | +15.2%+$465.7K |
| MARSHALL WACE, LLP | $3.3M | 166,146 | 0.00% | 9q | +54.8%+$1.2M |
| ROYAL BANK OF CANADA | $3.2M | 160,552 | 0.00% | 31q | +3.9%+$118.7K |
| SIMPLEX TRADING, LLC | $3.1M CALL+PUT | options only | 0.00% | 21q | OPTIONS |
| Royal Palms Capital LLC | $3.1M | 156,798 | 2.73% | new | NEW |
| Walleye Trading LLC | $3.0M incl. $2.8M options CALL+PUT | 8,034 | 0.00% | 5q | -88.2%-$22.3M |
| WELLS FARGO & COMPANY/MN | $3.0M | 150,045 | 0.00% | 31q | HELD |
| Loews Corp | $3.0M | 150,000 | 0.02% | 3q | -25.0%-$991.0K |
| GROUP ONE TRADING LLC | $3.0M incl. $2.9M options CALL+PUT | 4,391 | 0.00% | 31q | -88.0%-$21.8M |
| CITIGROUP INC | $2.8M | 143,304 | 0.00% | 31q | -64.8%-$5.2M |
| HATCH COVE CAPITAL, LLC | $2.7M | 135,600 | 1.19% | new | NEW |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $2.6M | 131,149 | 0.00% | 31q | -2.5%-$68.0K |
| Mariner, LLC | $2.5M | 125,257 | 0.00% | new | NEW |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $2.5M | 124,094 | 0.00% | 31q | -1.5%-$36.9K |
| ACADIAN ASSET MANAGEMENT LLC | $2.4M | 121,952 | 0.00% | 2q | +3480.5%+$2.3M |
| Oak Thistle LLC | $2.4M | 121,105 | 0.23% | 2q | +58.0%+$881.2K |
| ALGERT GLOBAL LLC | $2.4M | 120,350 | 0.03% | 6q | -8.2%-$212.9K |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | $2.4M | 119,953 | 0.00% | 31q | +3.2%+$73.6K |
| Qube Research & Technologies Ltd | $2.3M | 118,447 | 0.00% | new | NEW |
| State of Alaska, Department of Revenue | $2.3M | 118,334 | 0.02% | 31q | -9.6%-$248.2K |
| Caption Management, LLC | $2.3M incl. $1.3M options PUT | 53,816 | 0.01% | 2q | +236.4%+$1.6M |
| ING GROEP NV | $2.3M | 114,630 | 0.01% | new | NEW |
| Creative Planning | $2.2M | 112,390 | 0.00% | 22q | +76.9%+$968.3K |
| Bridgewater Associates, LP | $2.2M | 111,412 | 0.01% | 4q | -37.6%-$1.3M |
| SEI INVESTMENTS CO | $2.2M | 111,292 | 0.00% | 31q | -34.3%-$1.2M |
| Jain Global LLC | $2.1M | 105,041 | 0.01% | new | NEW |
| Saba Capital Management, L.P. | $2.0M | 101,910 | 0.05% | 4q | +21.3%+$354.3K |
| Tiptree Advisors, LLC | $2.0M | 100,000 | 1.22% | 2q | -51.2%-$2.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | $1.9M | 96,803 | 0.00% | 18q | +82.9%+$869.5K |
Showing the largest 100 of 420 reported holders.
What the company announced
Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.
| Filed | Event date | What | Source |
|---|---|---|---|
| 2026-10-28 | 2026-10-27 | Material agreement entered | filing |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 91 | $23.0M | 1,484,890 | 13 | 21 | 33 | 0.0% |
| Q2 2026 | 420 | $2.3B | 113,812,196 | 63 | 134 | 122 | 2.5% |
| Q1 2026 | 429 | $3.5B | 112,686,436 | 102 | 141 | 85 | 3.4% |
| Q4 2025 | 386 | $2.4B | 112,203,500 | 57 | 107 | 123 | 2.4% |
| Q3 2025 | 378 | $2.6B | 103,469,386 | 78 | 99 | 122 | 2.0% |
| Q2 2025 | 357 | $2.1B | 104,192,094 | 51 | 120 | 115 | 1.3% |
| Q1 2025 | 362 | $2.5B | 100,827,389 | 46 | 150 | 91 | 0.9% |
| Q4 2024 | 388 | $3.6B | 103,869,178 | 52 | 101 | 133 | 1.6% |
| Q3 2024 | 402 | $5.0B | 102,973,534 | 36 | 108 | 163 | 1.6% |
| Q2 2024 | 448 | $5.0B | 104,970,531 | 67 | 128 | 143 | 1.4% |
| Q1 2024 | 438 | $6.4B | 107,718,196 | 61 | 122 | 144 | 1.3% |
| Q4 2023 | 425 | $6.1B | 108,998,371 | 44 | 100 | 166 | 4.4% |
| Q3 2023 | 433 | $5.5B | 106,800,698 | 41 | 118 | 155 | 2.7% |
| Q2 2023 | 463 | $5.7B | 109,274,793 | 41 | 109 | 206 | 1.1% |
| Q1 2023 | 483 | $6.8B | 120,988,554 | 65 | 137 | 177 | 0.9% |
| Q4 2022 | 473 | $6.2B | 115,518,368 | 67 | 116 | 178 | 1.6% |
| Q3 2022 | 446 | $5.8B | 132,287,442 | 50 | 128 | 173 | 2.8% |
| Q2 2022 | 474 | $7.6B | 161,006,348 | 68 | 148 | 164 | 1.7% |
| Q1 2022 | 474 | $7.0B | 131,242,517 | 81 | 145 | 143 | 1.8% |
| Q4 2021 | 462 | $9.7B | 165,747,898 | 78 | 134 | 132 | 1.7% |
| Q3 2021 | 389 | $8.0B | 163,770,723 | 61 | 129 | 103 | 1.7% |
| Q2 2021 | 361 | $7.9B | 168,947,519 | 84 | 97 | 109 | 1.3% |
| Q1 2021 | 316 | $6.4B | 166,081,350 | 61 | 82 | 96 | 1.7% |
| Q4 2020 | 288 | $4.2B | 169,498,261 | 56 | 64 | 113 | 1.6% |
| Q3 2020 | 262 | $2.0B | 161,693,743 | 38 | 73 | 95 | 0.9% |
| Q2 2020 | 268 | $2.0B | 174,883,940 | 50 | 78 | 90 | 0.9% |
| Q1 2020 | 269 | $3.7B | 311,759,387 | 37 | 83 | 90 | 0.5% |
| Q4 2019 | 302 | $5.1B | 295,682,382 | 49 | 77 | 111 | 0.5% |
| Q3 2019 | 306 | $4.2B | 221,514,857 | 40 | 83 | 112 | 0.9% |
| Q2 2019 | 319 | $5.3B | 237,414,445 | 44 | 101 | 97 | 1.9% |
| Q1 2019 | 338 | $5.0B | 214,310,596 | 51 | 96 | 104 | 0.7% |
| Q4 2018 | 325 | $4.0B | 198,405,306 | 7 | 5 | 6 | 0.6% |
