What Changed
Price Move History
- Daily moves over 5%
- 21 252 sessions, October 9, 2025 to October 9, 2026
- Largest daily move
- +10.1% close of March 11, 2026
- 1-year change
- -44% closing prices, October 9, 2025 to October 9, 2026
- 1-month change
- -28.5% closing prices, September 9, 2026 to October 9, 2026
Company Description
The Mosaic Company (NYSE: MOS) is described in its public communications as one of the world's leading producers and marketers of concentrated phosphate and potash crop nutrients. Classified under phosphatic fertilizer manufacturing in the manufacturing sector, the company focuses on supplying key nutrients that support agricultural production and global food systems.
According to multiple company press releases, Mosaic produces and markets concentrated phosphate and potash crop nutrients and provides a single-source supply of phosphate, potash, and biological products for the global agriculture industry. Through its Mosaic Biosciences platform, the company states that it is advancing next-generation biological solutions intended to help farmers improve nutrient use efficiency and crop performance in a sustainable way.
Mosaic’s operations and assets include phosphate and potash production, as well as fertilizer-related activities in several regions. A company news release notes that Mosaic has operated potash mining operations in New Mexico and Brazil and that it has taken steps to sell certain of those assets. In one transaction, Mosaic announced a definitive agreement to sell Mosaic Potash Carlsbad, Inc., including the Mosaic mine in Carlsbad, New Mexico, to International Minerals Carlsbad, LLC. In another transaction, Mosaic announced the completion of the sale of Mosaic Potássio Mineração Ltda., which operates the Taquari-Vassouras potash mine in Brazil, to VL Mineração Ltda. These announcements describe Mosaic’s efforts to focus on what it identifies as core assets while other parties assume responsibility for specific potash operations and related obligations.
In a separate press release, Mosaic highlights that its potash production is now entirely focused on operations in Saskatchewan, Canada, which the company expects to continue to generate strong returns. Mosaic’s communications also emphasize the role of its operations in Brazil in supporting fertilizer availability and what it characterizes as global food security, particularly through phosphate-related activities.
Beyond production and asset management, Mosaic’s public disclosures show that it engages in capital markets and financing activities. An 8-K filing and related news release describe an underwritten public offering of senior notes with maturities in 2029 and 2030. The company states that it intends to use the net proceeds for general corporate purposes, which may include repayment of indebtedness, and that the notes are unsecured and rank equally with its existing senior unsecured debt. Mosaic’s management has characterized its financial position as strong enough to support an investment grade credit rating in connection with this offering.
Mosaic also communicates regularly with investors through dividends and earnings updates. Press releases indicate that the company’s board of directors has declared recurring quarterly dividends on its common stock, while noting that future dividends remain subject to board approval. Multiple Form 8-K filings reference earnings announcements and performance data for specific quarters, which are furnished as exhibits and made available through the company’s investor relations channels.
Safety and operational integrity are recurring themes in Mosaic’s communications. In an update regarding an incident at its Esterhazy K3 site, the company reported a fatal ground fall and stated that the health and well-being of employees remain a top priority. Mosaic indicated that regulatory authorities had completed their review of the site and that operations were scheduled to resume safely, while the company provided support to affected employees and families.
Mosaic has also commented on policy developments that affect its industry. In a news release, the company welcomed the decision by the U.S. Department of the Interior to add phosphate and potash to the U.S. Critical Minerals List, highlighting their importance to food production and national security. The release notes that phosphate and potash are essential nutrients in fertilizer and that a stable domestic supply can help protect the U.S. food system from global market disruptions. Mosaic further points to byproducts of phosphate fertilizer production, such as phosphogypsum (PG), which it states contains rare earth elements and other critical minerals that are important to defense, energy, and technology sectors. The company indicates that it supports ongoing research into the responsible recovery of these materials from its byproducts.
Across its public statements, Mosaic consistently frames its mission as helping the world grow the food it needs while maintaining competitiveness in global markets. Its fertilizer and biological products are positioned as tools for farmers and the broader agriculture industry to support crop yields and nutrient management. The company’s combination of phosphate and potash production, biological solutions through Mosaic Biosciences, and participation in policy and research discussions around critical minerals underscores its role in the broader agricultural and resource supply chain.
Stock listing and regulatory profile
According to its Form 8-K filings, The Mosaic Company is incorporated in Delaware and its common stock, with a par value of $0.01 per share, trades on the New York Stock Exchange under the ticker symbol MOS. The filings list the company’s principal executive offices as located in Tampa, Florida. Mosaic files periodic and current reports with the U.S. Securities and Exchange Commission, including 8-Ks related to earnings releases, financing transactions, and other material events.
Business focus and strategic themes
Based on the company’s press releases, several themes characterize Mosaic’s business focus:
- Concentrated phosphate and potash crop nutrients: Mosaic identifies itself as a producer and marketer of these key fertilizer components for the global agriculture industry.
- Biological solutions via Mosaic Biosciences: The company states that it is developing biological products aimed at improving nutrient use efficiency and crop performance in a sustainable manner.
- Portfolio optimization: Mosaic has described transactions in which it sold potash mining operations in Brazil and agreed to sell its Carlsbad, New Mexico potash operations, indicating a focus on core assets and capital redeployment.
- Support for global and regional food security: In its Brazil-related communications and its response to U.S. critical minerals policy, Mosaic emphasizes the role of phosphate and potash in reliable fertilizer supply and food production.
- Capital markets activity: The issuance of senior notes and the declaration of cash dividends reflect Mosaic’s use of debt and equity capital in line with its stated corporate purposes.
- Safety and regulatory compliance: The Esterhazy incident update and references to regulatory reviews highlight Mosaic’s engagement with safety oversight and operational risk management.
Role in agriculture and critical minerals
Mosaic’s public statements connect its fertilizer production to broader themes in agriculture and national policy. By producing phosphate and potash crop nutrients and exploring biological and byproduct-based solutions, the company positions itself within discussions about food security, sustainable farming practices, and critical mineral supply chains. Its operations in regions such as Saskatchewan and Brazil, as described in its news releases, support fertilizer availability in multiple markets and contribute to the agricultural inputs that underpin crop production.
Stock Performance
The Mosaic Company (MOS) closed at $18.74 on October 9, 2026. Over the past 12 months, the price has lost 44.0%.
MOS Metrics & Rankings
Price returns through October 9, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
The Mosaic Company has 10 recent news articles. Of the recent coverage, 2 articles coincided with positive price movement and 8 with negative movement. Key topics include management, dividends, earnings. View all MOS news →
SEC Filings
The Mosaic Company has filed 10 recent SEC filings, including 5 Form 8-K, 2 Form 4, 1 Form 144, 1 Form 424B5. The most recent filing was submitted on October 2, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all MOS SEC filings →
Insider Radar
Insider selling at The Mosaic Company over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
The Mosaic Company generated $12.1B in revenue in FY2025, retaining a 15.8% gross margin, operating income reached $821.5M (6.8% operating margin), and net income was $541.0M, reflecting a 4.5% net profit margin. Diluted earnings per share stood at $1.70. The company generated $824.8M in operating cash flow. The current ratio was 1.31, measuring current assets divided by current liabilities.
Upcoming Events
Operations EVP appointment
Construction start
Executive retirement
First deferred payment begins
4.350% notes maturity
Initial production
4.600% notes maturity
2030 sustainability target deadline
The Mosaic Company has 9 upcoming scheduled events. The next event, "Contingent payment due", is scheduled for November 4, 2026 (in 23 days). 4 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the MOS stock price.
Short Interest History
Short interest in The Mosaic Company (MOS) currently stands at 30.9 million shares, up 7.0% from the previous reporting period, representing 9.8% of the float. Since October 2025, short interest has increased by 149.1%.
Days to Cover History
Days to cover for The Mosaic Company (MOS) currently stands at 3.5 days. The ratio is the reported short interest divided by the average daily trading volume. Since October 2025, the figure has increased by 44.5%. Across the settlements charted above, it has ranged from 1.6 to 4.5 days.
MOS Company Profile & Sector Positioning
The Mosaic Company (MOS) operates in the Agricultural Inputs industry within the broader Basic Materials sector and is listed on the NYSE. Among dividend-paying stocks, MOS ranks #706 by dividend yield.
Investors comparing MOS often look at related companies in the same sector, including CF Industries Holding, Inc. (CF), Nutrien Ltd. (NTR), ICL Group Ltd. (ICL), Corteva, Inc. (CTVA), and FMC Corporation (FMC). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate MOS's relative position within its industry.