OLIN Corp (OLN) shareholders
OLNNYSEChemicals & Allied ProductsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 30, 2026Score 10/3052% below fair value
$17.89+0.39 (+2.23%)
Close on Nov 11, 2026Market cap $2.04BP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
99.8%
114M of 114M shares
Institutional holders
411
71 new, 74 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 5 sales
Net sold $2.49M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Hotchkis and Wiley Capital Management, LLC | 15,278,245 | 13.39% | 13G (passive) amendment | Dec 31, 2025 |
| BlackRock, Inc. | 13,058,352 | 11.50% | 13G (passive) amendment | Oct 31, 2026 |
| Dimensional Fund Advisors LP | 6,166,477 | 5.40% | 13G (passive) | Jun 30, 2026 |
| Vanguard Capital Management | 5,893,903 | 5.17% | 13G (passive) | Mar 31, 2026 |
| AQR Capital Management, LLC Joint filing with AQR Capital Management Holdings, LLC (5.04%) | 5,739,046 | 5.04% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of OLN | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Hotchkis & Wiley Capital Management LLC | 16,021,214 | 14.05% | $317.54M | +936,990 | 0.93% |
| BlackRock, Inc. | 11,984,254 | 10.51% | $237.53M | +497,398 | 0.00% |
| Dimensional Fund Advisors LP | 6,166,477 | 5.41% | $122.23M | +538,480 | 0.02% |
| Aqr Capital Management LLC | 5,510,335 | 4.83% | $109.21M | +4,344,109 | 0.04% |
| Vanguard Portfolio Management LLC | 5,447,478 | 4.78% | $107.97M | +8,071 | 0.00% |
| Vanguard Capital Management LLC | 5,138,572 | 4.51% | $101.85M | +99,604 | 0.00% |
| State Street Corp | 4,799,788 | 4.21% | $95.13M | −230 | 0.00% |
| Fuller & Thaler Asset Management, Inc. | 4,301,590 | 3.77% | $85.26M | −714,287 | 0.23% |
| Yacktman Asset Management LP | 4,209,403 | 3.69% | $83.43M | +117,192 | 1.03% |
| Pzena Investment Management LLC | 3,890,204 | 3.41% | $77.10M | −541,409 | 0.23% |
| Goldman Sachs Group Inc | 2,550,105 | 2.24% | $50.54M | −286,078 | 0.00% |
| Citadel Advisors LLC | 2,233,816 | 1.96% | $44.27M | +593,302 | 0.01% |
| Semper Augustus Investments Group LLC | 2,153,826 | 1.89% | $42.69M | +124,507 | 4.83% |
| Geode Capital Management, LLC | 2,107,148 | 1.85% | $41.78M | −4,428 | 0.00% |
| Charles Schwab Investment Management Inc | 1,543,162 | 1.35% | $30.59M | −14,020 | 0.00% |
| Morgan Stanley | 1,384,610 | 1.21% | $27.44M | −267,057 | 0.00% |
| Captrust Financial Advisors | 1,321,951 | 1.16% | $26.20M | +1,301,343 | 0.04% |
| Bank Of America Corp /De/ | 1,284,002 | 1.13% | $25.45M | −490,007 | 0.00% |
| Bank of New York Mellon Corp | 1,200,056 | 1.05% | $23.79M | −32,856 | 0.00% |
| Northern Trust Corp | 1,004,672 | 0.88% | $19.91M | +15,416 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 411 | 114M | 99.8% | 71 / 143 | 123 / 74 | 16M | 14M |
| Q1 2026 | 422 | 113M | 98.8% | 110 / 149 | 86 / 59 | 32M | 20M |
| Q4 2025 | 379 | 112M | 98.4% | 74 / 110 | 131 / 58 | 22M | 13M |
| Q3 2025 | 370 | 103M | 90.8% | 77 / 106 | 128 / 57 | 15M | 16M |
| Q2 2025 | 352 | 104M | 91.4% | 58 / 127 | 118 / 57 | 14M | 11M |
| Q1 2025 | 354 | 101M | 88.4% | 50 / 152 | 98 / 73 | 13M | 16M |
| Q4 2024 | 383 | 104M | 91.1% | 68 / 106 | 138 / 74 | 15M | 14M |
| Q3 2024 | 396 | 103M | 90.3% | 43 / 114 | 167 / 88 | 22M | 13M |
| Q2 2024 | 445 | 105M | 92.1% | 68 / 144 | 154 / 52 | 9M | 11M |
| Q1 2024 | 433 | 108M | 94.5% | 63 / 136 | 150 / 52 | 10M | 9M |
| Q4 2023 | 426 | 107M | 94.2% | 64 / 116 | 176 / 61 | 11M | 10M |
| Q3 2023 | 427 | 107M | 93.5% | 40 / 131 | 168 / 71 | 10M | 13M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
323 funds held OLN in Q2 2026, 43% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of OLN | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Windsor Ii Fund | 5,007,700 | 4.39% | $92.69M | 0.14% | Jul 31, 2026 |
| iShares Core S&P Mid-Cap ETF | 3,894,172 | 3.42% | $77.18M | 0.06% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 3,622,934 | 3.18% | $71.81M | 0.00% | Jun 30, 2026 |
| Undiscovered Managers Behavioral Value Fund | 3,342,130 | 2.93% | $66.24M | 0.73% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 2,616,280 | 2.29% | $51.85M | 0.03% | Jun 30, 2026 |
| AMG Yacktman Fund | 2,205,000 | 1.93% | $43.70M | 0.60% | Jun 30, 2026 |
| Vanguard Selected Value Fund | 2,055,195 | 1.80% | $38.04M | 0.55% | Jul 31, 2026 |
| Vanguard Small-Cap Value Index Fund | 1,654,679 | 1.45% | $32.80M | 0.05% | Jun 30, 2026 |
| Hotchkis and Wiley Small Cap Value Fund | 1,504,400 | 1.32% | $29.82M | 3.66% | Jun 30, 2026 |
| U.S. Small Cap Value Portfolio | 1,346,389 | 1.18% | $24.92M | 0.13% | Jul 31, 2026 |
| American Beacon Small Cap Value Fund | 1,318,222 | 1.16% | $24.40M | 0.65% | Jul 31, 2026 |
| Hotchkis & Wiley Opportunities Fund | 1,309,800 | 1.15% | $25.96M | 2.89% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 1,307,280 | 1.15% | $25.91M | 0.03% | Jun 30, 2026 |
| AMG Yacktman Focused Fund | 995,000 | 0.87% | $19.72M | 0.64% | Jun 30, 2026 |
| U.S. Targeted Value Portfolio | 797,948 | 0.70% | $14.77M | 0.09% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Kenneth Todd Lane | President & CEO, Director | 100,287 | 0.09% | Mar 20, 2026 |
| Deon Carter | VP & President CAPV | 2,857 | 0.00% | Jun 18, 2026 |
| Florian J. Kohl | VP & Pres,Epoxy&International | 7,949 | 0.01% | Jun 3, 2026 |
| Marc Ehrhardt | VP & Pres Corp Development | 25,829 | 0.02% | May 5, 2026 |
| Todd A. Slater | VP & CFO | 164,763 | 0.14% | Feb 24, 2026 |
| Angela M. Castle | VP & Chief Legal Officer | 1,530 | 0.00% | Feb 24, 2026 |
| Brett A. Flaugher | VP & Pres, Winchester | 94,951 | 0.08% | Feb 24, 2026 |
| Teresa M. Vermillion | VP & Treasurer | 19,063 | 0.02% | Feb 24, 2026 |
| R. Nichole Sumner | VP & Controller | 35,600 | 0.03% | Feb 24, 2026 |
| Dana C. O'Brien | SVP, Chief Legal Officer | 2,098 | 0.00% | Feb 21, 2025 |
| Beverley A. Babcock | Director | 5,625 | 0.00% | May 5, 2026 |
| Carol A. Williams | Director | 7,947 | 0.01% | May 5, 2026 |
| William H. Weideman | Director | 13,140 | 0.01% | May 5, 2026 |
| Earl L. Shipp | Director | 10,160 | 0.01% | May 5, 2026 |
| Matthew S. Darnall | Director | 0 | – | May 5, 2026 |
| Julie A. Piggott | Director | 761 | 0.00% | May 5, 2026 |
| Edward Daly | Director | 0 | – | May 5, 2026 |
| W. Anthony Will | Director | 10,000 | 0.01% | May 5, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Deon Carter VP & President CAPV | Jun 17, 2026 | Option exercise | +2,500 | – | – | 2,857 |
| Deon Carter VP & President CAPV | Jun 17, 2026 | Tax withholding | −609 | $24.13 | $14.70K | 2,248 |
| Florian J. Kohl VP & Pres,Epoxy&International | Jun 1, 2026 | Tax withholding | −492 | $25.67 | $12.63K | 7,949 |
| Florian J. Kohl VP & Pres,Epoxy&International | Jun 1, 2026 | Option exercise | +1,250 | – | – | 8,441 |
| Florian J. Kohl VP & Pres,Epoxy&International | May 15, 2026 | Tax withholding | −819 | $27.07 | $22.17K | 7,191 |
| Florian J. Kohl VP & Pres,Epoxy&International | May 15, 2026 | Option exercise | +2,500 | – | – | 8,010 |
| Beverley A. Babcock Director | May 1, 2026 | Award | +2,107 | $28.48 | $60.01K | 5,625 |
| Marc Ehrhardt VP & Pres Corp Development | May 1, 2026 | Tax withholding | −1,877 | $28.48 | $53.46K | 25,829 |
| Marc Ehrhardt VP & Pres Corp Development | May 1, 2026 | Option exercise | +2,500 | – | – | 27,706 |
| Marc Ehrhardt VP & Pres Corp Development | May 1, 2026 | Option exercise | +5,206 | – | – | 25,206 |
| Kenneth Todd Lane President & CEO, Director | Mar 18, 2026 | Tax withholding | −19,675 | $26.25 | $516.47K | 100,287 |
| Kenneth Todd Lane President & CEO, Director | Mar 18, 2026 | Option exercise | +50,000 | – | – | 119,962 |
| Deon Carter VP & President CAPV | Feb 25, 2026 | Sale | −6,500 | $23.73 | $154.25K | 357 |
| Angela M. Castle VP & Chief Legal Officer | Feb 24, 2026 | Sale | −2,379.26 | $24.25 | $57.70K | 1,528 |
| Kenneth Todd Lane President & CEO, Director | Feb 20, 2026 | Tax withholding | −8,811 | $24.09 | $212.26K | 69,962 |
| Kenneth Todd Lane President & CEO, Director | Feb 20, 2026 | Option exercise | +36,206 | – | – | 78,773 |
| R. Nichole Sumner VP & Controller | Feb 20, 2026 | Tax withholding | −538 | $24.09 | $12.96K | 26,147 |
| R. Nichole Sumner VP & Controller | Feb 20, 2026 | Option exercise | +1,835 | – | – | 26,685 |
| Teresa M. Vermillion VP & Treasurer | Feb 20, 2026 | Tax withholding | −674 | $24.09 | $16.24K | 18,922 |
| Teresa M. Vermillion VP & Treasurer | Feb 20, 2026 | Option exercise | +2,318 | – | – | 19,596 |
| Florian J. Kohl VP & Pres,Epoxy&International | Feb 20, 2026 | Tax withholding | −1,470 | $24.09 | $35.41K | 5,510 |
| Florian J. Kohl VP & Pres,Epoxy&International | Feb 20, 2026 | Option exercise | +6,035 | – | – | 6,980 |
| Brett A. Flaugher VP & Pres, Winchester | Feb 20, 2026 | Option exercise | +6,276 | – | – | 6,513 |
| Brett A. Flaugher VP & Pres, Winchester | Feb 20, 2026 | Tax withholding | −1,839 | $24.09 | $44.30K | 4,674 |
| Angela M. Castle VP & Chief Legal Officer | Feb 20, 2026 | Tax withholding | −1,003 | $24.09 | $24.16K | 3,907 |
| Angela M. Castle VP & Chief Legal Officer | Feb 20, 2026 | Option exercise | +3,380 | – | – | 4,910 |
| Todd A. Slater VP & CFO | Feb 20, 2026 | Tax withholding | −3,850 | $24.09 | $92.75K | 49,543 |
| Todd A. Slater VP & CFO | Feb 20, 2026 | Option exercise | +8,690 | – | – | 53,393 |
| Deon Carter VP & President CAPV | Feb 20, 2026 | Option exercise | +6,759 | – | – | 8,650 |
| Deon Carter VP & President CAPV | Feb 20, 2026 | Tax withholding | −1,793 | $24.09 | $43.19K | 6,857 |
| Teresa M. Vermillion VP & Treasurer | Feb 18, 2026 | Award | +79 | – | – | 17,278 |
| Brett A. Flaugher VP & Pres, Winchester | Feb 18, 2026 | Award | +237 | – | – | 237 |
| R. Nichole Sumner VP & Controller | Feb 18, 2026 | Award | +79 | – | – | 24,850 |
| Angela M. Castle VP & Chief Legal Officer | Feb 18, 2026 | Award | +26 | – | – | 1,530 |
| Todd A. Slater VP & CFO | Feb 18, 2026 | Award | +412 | – | – | 44,703 |
| Todd A. Slater VP & CFO | Feb 3, 2026 | Sale | −92,250 | $22.48 | $2.07M | 44,291 |
| Todd A. Slater VP & CFO | Feb 3, 2026 | Option exercise | +92,250 | $13.14 | $1.21M | 136,541 |
| R. Nichole Sumner VP & Controller | Feb 3, 2026 | Option exercise | +4,750 | $13.14 | $62.42K | 29,521 |
| R. Nichole Sumner VP & Controller | Feb 3, 2026 | Sale | −4,750 | $22.49 | $106.83K | 24,771 |
| Teresa M. Vermillion VP & Treasurer | Nov 26, 2025 | Option exercise | +4,500 | $13.14 | $59.13K | 21,699 |
| Teresa M. Vermillion VP & Treasurer | Nov 26, 2025 | Sale | −4,500 | $20.86 | $93.87K | 17,199 |
| Teresa M. Vermillion VP & Treasurer | Aug 13, 2025 | Sale | −6,000 | $21.11 | $126.66K | 17,199 |
| Teresa M. Vermillion VP & Treasurer | Aug 13, 2025 | Option exercise | +6,000 | $13.14 | $78.84K | 23,199 |
| Marc Ehrhardt VP & Pres Corp Development | Aug 6, 2025 | Buy | +20,000 | $18.70 | $374.00K | 20,000 |
| Deon Carter VP & President CAPV | Jun 17, 2025 | Tax withholding | −609 | $20.04 | $12.20K | 1,891 |
| Deon Carter VP & President CAPV | Jun 17, 2025 | Option exercise | +2,500 | – | – | 2,500 |
| Florian J. Kohl VP & Pres,Epoxy&International | Jun 1, 2025 | Option exercise | +1,250 | – | – | 1,250 |
| Florian J. Kohl VP & Pres,Epoxy&International | Jun 1, 2025 | Tax withholding | −305 | $19.63 | $5.99K | 945 |
| Carol A. Williams Director | May 1, 2025 | Award | +1,378 | $21.77 | $30.00K | 7,947 |
| Beverley A. Babcock Director | May 1, 2025 | Award | +2,757 | $21.77 | $60.02K | 3,518 |
| Kenneth Todd Lane President & CEO, Director | Mar 18, 2025 | Tax withholding | −14,683 | $24.89 | $365.46K | 42,567 |
| Kenneth Todd Lane President & CEO, Director | Mar 18, 2025 | Option exercise | +50,000 | – | – | 57,250 |
| Brett A. Flaugher VP & Pres, Winchester | Feb 19, 2025 | Award | +1,845 | – | – | 1,845 |
| Dana C. O'Brien SVP, Chief Legal Officer | Feb 19, 2025 | Award | +2,098 | – | – | 2,098 |
| Todd A. Slater VP & CFO | Feb 19, 2025 | Award | +3,482 | – | – | 159,415 |
| Teresa M. Vermillion VP & Treasurer | Feb 19, 2025 | Award | +691 | – | – | 16,771 |
| R. Nichole Sumner VP & Controller | Feb 19, 2025 | Award | +715 | – | – | 24,771 |
| Kenneth Todd Lane President & CEO, Director | Feb 4, 2025 | Buy | +7,250 | $28.06 | $203.44K | 7,250 |
| R. Nichole Sumner VP & Controller | Nov 8, 2024 | Option exercise | +10,500 | $27.40 | $287.70K | 34,556 |
| R. Nichole Sumner VP & Controller | Nov 8, 2024 | Sale | −10,500 | $43.75 | $459.38K | 24,056 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
12.19%
14M shares short
Days to cover
3.0
At 5M shares a day
Change since last report
-7.7%
From 15M shares
Short volume, 20 days
56.5%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of OLIN's stock actually held short. Settlement fails (shares not delivered on time) peaked at 67,662 shares on Sep 10, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Deon Carter Officer | Feb 25, 2026 | 6,500 | $157.89K | Feb 25, 2026 | Open Market Sale |
| Angela M. Castle Officer | Feb 24, 2026 | 3,380 | $79.43K | Feb 24, 2026 | Open Market Sale |
| R. Nichole Sumner Officer | Feb 3, 2026 | 4,750 | $98.85K | Feb 3, 2026 | Cashless exercise of stock options |
| Todd A. Slater Officer | Feb 3, 2026 | 92,250 | $1.92M | Feb 3, 2026 | Cashless exercise of stock options |
| Teresa M. Vermillion Officer | Nov 24, 2025 | 4,500 | $89.01K | Nov 24, 2025 | Cashless exercise of stock options |
| Teresa M. Vermillion Officer | Aug 13, 2025 | 6,000 | $126.00K | Aug 13, 2025 | Cashless exercise of stock options |
| R. Nicole Sumner Officer | Nov 8, 2024 | 10,500 | $438.59K | Nov 8, 2024 | Cashless exercise of stock options |
| R. Nichole Sumner Officer | Aug 26, 2024 | 10,500 | $449.09K | Aug 26, 2024 | Cashless exercise of stock options |
| Scott McDougald Sutton Former Officer | Apr 29, 2024 | 258,186 | $13.81M | Apr 30, 2024 | Open Market Sale |
| Brett A. Flaugher Officer | Feb 27, 2024 | 10,000 | $525.90K | Feb 27, 2024 | Acquired as compensation -- Performance Awards |
| Brett A. Flaugher Officer | Feb 26, 2024 | 25,000 | $784.65K | Feb 26, 2024 | Cashless Exercise of Stock Options |
| Scott McDougald Sutton Officer | Feb 22, 2024 | 217,900 | $11.15M | Feb 22, 2024 | Cashless exercise of stock options |
| Valerie A. Peters Director | Feb 1, 2024 | 9,735 | $520.63K | Feb 1, 2024 | Acquired as compensation -- Performance Awards |
| Valerie A. Peters Officer | Jan 31, 2024 | 81,535 | $4.36M | Jan 31, 2024 | Cashless exercise of stock options |
| Todd A. Slater Officer | Jan 30, 2024 | 63,250 | $3.49M | Jan 30, 2024 | Cashless exercise of stock options |
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