OLN

OLIN Corp

Ticker: OLNMaterialsChemicals
HQ CLAYTON, MOCIK 74303FY end 12-31Book / share $15.04Shares 114M
Revenue (FY)
$6.78B+3.68%
TTM $6.70B
Op. margin
0.08%-4.46%
TTM -1.57%
Net income
$-101.10M-196.29%
TTM $-195.80M
Operating cash
$474.20M-5.76%
TTM $307.20M
Free cash flow
$247.90M-19.54%
TTM $100.60M
Return on equity
-2.97%-8.76%
TTM -11.51%
Debt / equity
1.54+0.13%
TTM 1.77
Shares outstanding
114.6M-4.10%
TTM 113.8M

The business

Olin Corporation (NYSE: OLN) operates as a leading global manufacturer and distributor of chemical products and ammunition. The company maintains its corporate presence at www.olin.com and serves diverse industrial and consumer markets through two primary reportable segments: Chlor Alkali Products and Vinyls, and Winchester.

The Chlor Alkali Products and Vinyls segment produces and sells chlorine, caustic soda, hydrogen, potassium hydroxide, bleach, and vinyl chloride monomer, which serve applications in water treatment, pulp and paper production, pharmaceuticals, and various chemical manufacturing processes. This segment represents the company's core chemical operations and generates the majority of consolidated revenues through both commodity and specialty chemical products.

The Winchester segment manufactures and distributes ammunition and related products for sporting, hunting, and law enforcement applications. Winchester operates as one of the world's largest ammunition manufacturers, maintaining significant market share in the North American ammunition market and serving customers globally.

Olin's business model centers on the production and distribution of essential chemical commodities and ammunition products with established demand across industrial, commercial, and consumer end markets. The company benefits from integrated production facilities, established distribution networks, and long-standing customer relationships developed over decades of operations.

The company operates manufacturing facilities across multiple geographic regions, including North America and international locations, enabling it to serve customers in diverse markets. Olin's competitive advantages include vertically integrated operations in its chemical segment, established brand recognition in ammunition through the Winchester trademark, operational efficiency in commodity chemical production, and diversified end-market exposure that provides revenue stability across economic cycles.

The credit agreement dated March 14, 2025, as amended February 19, 2026, establishes a $1.85 billion credit facility supporting the company's operational and strategic financing needs. This facility reflects Olin's scale as a significant participant in both the global chemical industry and the ammunition manufacturing sector.

Sector
Materials
Industry
Chemicals
HQ
CLAYTON, MO
FY end
12-31
CIK
74303
SIC
2800
Financial performance · annual
20132025
$-2.00B$1.10B$4.20B$7.31B$10.41B2013201420152016201720182019202020212022202320242025TTMTTMTTM

Ownership

Who holds OLIN Corp — across funds, superinvestors and bonds · N-PORT 2026Q2 · 13F 2026-06-30

318
funds hold it
1 of 35
superinvestors hold it
$1.30B
fund-held value
49.2%
of shares held by funds
3
bond issues held by funds

Top fund holders

Fund% of fundValue
VANGUARD WINDSOR II FUND
VWNFX · VANGUARD WINDSOR FUNDS
0.22%$142.62M
iShares Core S&P Mid-Cap ETF
IJH · iShares Trust
0.06%$77.18M
VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.00%$71.81M
Undiscovered Managers Behavioral Value Fund
UBVLX · UNDISCOVERED MANAGERS FUNDS
0.73%$66.24M
VANGUARD SELECTED VALUE FUND
VASVX · VANGUARD WHITEHALL FUNDS
0.89%$58.53M

Superinvestors in OLIN Corp

Chris BloomstranINCREASED +6.1%
Semper Augustus Investments Group
4.8%

Share of each manager's reported 13F portfolio.

Bonds held by funds

Funds report holding 3 issues of OLIN Corp's debt, $350.02M at fund-held market value — what funds hold, not the company's debt outstanding. Weighted-average coupon 5.99%, maturing 20292033.

IssueCouponMaturesFundsFund-held
Olin Corp6.625%2033-04-01161$187.54M
Olin Corp5.000%2030-02-0170$95.81M
Olin Corp5.625%2029-08-0152$66.67M

Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.

Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.

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15 years of OLIN Corp's financials

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