# OLIN Corp: overview

OLN · NYSE · CIK 74303 · [Materials](/sectors/materials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/oln.md) · [Financials](/companies/oln/financials.md) · [Filings](/companies/oln/filings.md) · [Insiders](/companies/oln/insiders.md)

Latest reported revenue: [$1.74bn](/filings/0000074303-26-000077.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Jul 31, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0000074303-26-000077).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [1,590](/filings/0000074303-25-000134.md) | [1,671 d](/filings/0000074303-26-000027.md) | [1,644](/filings/0000074303-26-000063.md) | [1,758](/filings/0000074303-26-000077.md) | [1,713](/filings/0000074303-25-000134.md) | [1,665 d](/filings/0000074303-26-000027.md) | [1,583](/filings/0000074303-26-000063.md) | [1,742](/filings/0000074303-26-000077.md) |
| Gross margin | % | [8.5%](/filings/0000074303-25-000134.md) | [9.4% d](/filings/0000074303-26-000027.md) | [9.0%](/filings/0000074303-26-000063.md) | [7.9%](/filings/0000074303-26-000077.md) | [10.7%](/filings/0000074303-25-000134.md) | [1.9% d](/filings/0000074303-26-000027.md) | [4.8%](/filings/0000074303-26-000063.md) | [9.8%](/filings/0000074303-26-000077.md) |
| Operating margin | % | [1.0%](/filings/0000074303-25-000134.md) | [2.8% d](/filings/0000074303-26-000027.md) | [2.7%](/filings/0000074303-26-000063.md) | [2.0%](/filings/0000074303-26-000077.md) | [4.8%](/filings/0000074303-25-000134.md) | [(9.4%) d](/filings/0000074303-26-000027.md) | [(4.9%)](/filings/0000074303-26-000063.md) | [2.7%](/filings/0000074303-26-000077.md) |
| Net margin | % | [(1.6%)](/filings/0000074303-25-000134.md) | [0.6% d](/filings/0000074303-26-000027.md) | [0.1%](/filings/0000074303-26-000063.md) | [(0.2%)](/filings/0000074303-26-000077.md) | [2.6%](/filings/0000074303-25-000134.md) | [(8.6%) d](/filings/0000074303-26-000027.md) | [(5.2%)](/filings/0000074303-26-000063.md) | [(0.8%)](/filings/0000074303-26-000077.md) |
| Diluted EPS | $ per share | [(0.21)](/filings/0000074303-25-000134.md) | not reported | [0.01](/filings/0000074303-26-000063.md) | [(0.01)](/filings/0000074303-26-000077.md) | [0.37](/filings/0000074303-25-000134.md) | not reported | [(0.73)](/filings/0000074303-26-000063.md) | [(0.12)](/filings/0000074303-26-000077.md) |
| Free cash flow | $m | [147 d](/filings/0000074303-25-000134.md) | [90.7 d](/filings/0000074303-26-000027.md) | [(147)](/filings/0000074303-26-000063.md) | [181 d](/filings/0000074303-26-000077.md) | [(44.4) d](/filings/0000074303-25-000134.md) | [258 d](/filings/0000074303-26-000027.md) | [(92.3)](/filings/0000074303-26-000063.md) | [(21.1) d](/filings/0000074303-26-000077.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:ProfitLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax; Net income: us-gaap:NetIncomeLoss. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment; Capital expenditure: us-gaap:PaymentsToAcquireProductiveAssets. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [8,911](/filings/0000074303-24-000041.md) | [9,376](/filings/0000074303-25-000023.md) | [6,833](/filings/0000074303-26-000027.md) | [6,540](/filings/0000074303-26-000027.md) | [6,781](/filings/0000074303-26-000027.md) |
| Gross margin | % | not reported | [23.3%](/filings/0000074303-25-000023.md) | [17.1%](/filings/0000074303-26-000027.md) | [11.3%](/filings/0000074303-26-000027.md) | [7.4%](/filings/0000074303-26-000027.md) |
| Operating margin | % | [20.8%](/filings/0000074303-24-000041.md) | [19.0%](/filings/0000074303-25-000023.md) | [10.4%](/filings/0000074303-26-000027.md) | [4.5%](/filings/0000074303-26-000027.md) | [0.1%](/filings/0000074303-26-000027.md) |
| Net margin | % | [14.6%](/filings/0000074303-24-000041.md) | [14.2%](/filings/0000074303-25-000023.md) | [6.6%](/filings/0000074303-26-000027.md) | [1.6%](/filings/0000074303-26-000027.md) | [(1.5%)](/filings/0000074303-26-000027.md) |
| Diluted EPS | $ per share | [7.96](/filings/0000074303-24-000041.md) | [8.94](/filings/0000074303-25-000023.md) | [3.57](/filings/0000074303-26-000027.md) | [0.91](/filings/0000074303-26-000027.md) | [(0.88)](/filings/0000074303-26-000027.md) |
| Free cash flow | $m | [1,540](/filings/0000074303-24-000041.md) | [1,685](/filings/0000074303-25-000023.md) | [738](/filings/0000074303-26-000027.md) | [308](/filings/0000074303-26-000027.md) | [248](/filings/0000074303-26-000027.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax; Gross profit: us-gaap:GrossProfit.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/oln/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC](/funds/1164833.md) | 2026-06-30 | $317.5m | 16,021,214 |  | Added +936,990 |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $237.5m | 11,984,254 |  | Added +497,398 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $122.2m | 6,166,477 |  | Added +538,480 |
| [AQR CAPITAL MANAGEMENT LLC](/funds/1167557.md) | 2026-06-30 | $109.2m | 5,510,335 |  | Added +4,344,109 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $108.0m | 5,447,478 |  | Added +8,071 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $101.8m | 5,138,572 |  | Added +99,604 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $95.1m | 4,799,788 |  | Reduced −230 |
| [FULLER & THALER ASSET MANAGEMENT, INC.](/funds/1082327.md) | 2026-06-30 | $85.3m | 4,301,590 |  | Reduced −714,287 |
| [YACKTMAN ASSET MANAGEMENT LP](/funds/905567.md) | 2026-06-30 | $83.4m | 4,209,403 |  | Added +117,192 |
| [PZENA INVESTMENT MANAGEMENT LLC](/funds/1027796.md) | 2026-06-30 | $77.1m | 3,890,204 |  | Reduced −541,409 |

## Recent filings

[All 1,939 filings](/companies/oln/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-28 | 08:16 ET | [8-K](/filings/0000950157-26-001129.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0000950157-26-001129 |
| 2026-08-25 | 16:45 ET | [8-K](/filings/0001193125-26-365252.md) | 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-365252 |
| 2026-08-18 | 18:08 ET | [8-K](/filings/0001193125-26-354370.md) | 8.01 Other events | 0001193125-26-354370 |
| 2026-08-11 | 16:17 ET | [8-K](/filings/0000074303-26-000082.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000074303-26-000082 |
| 2026-07-31 | 11:55 ET | [10-Q](/filings/0000074303-26-000077.md) | Quarterly report, period 2026-06-30 | 0000074303-26-000077 |
| 2026-07-30 | 16:06 ET | [8-K](/filings/0000074303-26-000071.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000074303-26-000071 |
| 2026-06-16 | 17:14 ET | [8-K](/filings/0001193125-26-272877.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-272877 |
| 2026-06-16 | 06:46 ET | [8-K](/filings/0001193125-26-271782.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-271782 |
| 2026-05-21 | 16:10 ET | [8-K/A](/filings/0001193125-26-234422.md) | 5.07 Shareholder vote results | 0001193125-26-234422 |
| 2026-05-08 | 11:05 ET | [10-Q](/filings/0000074303-26-000063.md) | Quarterly report, period 2026-03-31 | 0000074303-26-000063 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0000074303-26-000027.md), filed Feb 20, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/090fabd1-ca73-47ca-a092-03b921c54838)

## About the filer

- CIK: 74303
- Tickers: OLN
- Exchange: NYSE
- SIC code: 2800 Chemicals & Allied Products
- State of incorporation: VA
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 16:10 ET. No prices; not investment advice.