Why The Mosaic Company (MOS) Stock Is Down Today

The Mosaic Company (MOS) is down 4.6% today. Here is some analysis on what might have caused this price movement. ([marketbeat.com](https://www.marketbeat.com/compare-stocks/fertilizer-stocks/?utm_source=openai))

Analysis: The sell-off appears tied to a mix of fertilizer-sector pressure and company-specific concerns rather than a fresh Mosaic press release. This could be because investors are reacting to a recent Wall Street downgrade, worries that additional low-cost potash supply could weigh on pricing, and Mosaic’s still-weak earnings backdrop after its second-quarter loss. ([trefis.com](https://www.trefis.com/data/companies/MOS?from=%5ESPX_movers_2026-09-04&mod=co_mid_mos&utm_source=openai))

Details:

Mosaic has not posted a new major corporate announcement in its recent investor-relations releases, suggesting the move was likely driven by external market factors instead of a same-day company update. ([investors.mosaicco.com](https://investors.mosaicco.com/press-releases/default.aspx?utm_source=openai))

A brokerage firm downgraded Mosaic in early October and lowered its price target, citing a slower phosphate recovery, prolonged idled assets, and limited free-cash-flow expectations. ([benzinga.com](https://www.benzinga.com/analyst-stock-ratings/analyst/68ee465e40fb2b00015391ef/andrew-d.-wong?utm_source=openai))

Market sentiment around potash producers has also been pressured by talk of a potential Belarus supply deal that could bring cheaper product into the market and hurt pricing power. ([trefis.com](https://www.trefis.com/data/companies/MOS?from=%5ESPX_movers_2026-09-04&mod=co_mid_mos&utm_source=openai))

Mosaic’s latest quarterly results already showed strain, including a net loss in the second quarter of 2026 and reduced phosphate production while management waits for better market conditions. ([investors.mosaicco.com](https://investors.mosaicco.com/financials/quarterly-results./?utm_source=openai))

Sources:

Mosaic Investor Relations, SEC, Trefis, Benzinga, Investing.com

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$MOS Insider Trading Activity

$MOS insiders have traded $MOS stock on the open market 1 times in the past 6 months. Of those trades, 0 have been purchases and 1 have been sales.

Here’s a breakdown of recent trading of $MOS stock by insiders over the last 6 months:

WALTER F. III PRECOURT (SVP - Chief Admin Officer) sold 23,000 shares for an estimated $508,760

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

EARLY ACCESS

Receive MOS Data Alerts

Real-time alerts on filings, insider trades, and market signals — before everyone else.

Get Alerts →

$MOS Hedge Fund Activity

We have seen 358 institutional investors add shares of $MOS stock to their portfolio, and 332 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

FMR LLC removed 15,879,277 shares (-54.6%) from their portfolio in Q2 2026, for an estimated $336,481,879
AQR CAPITAL MANAGEMENT LLC added 7,367,770 shares (+67.4%) to their portfolio in Q2 2026, for an estimated $156,123,046
MILLENNIUM MANAGEMENT LLC added 6,361,462 shares (+2767.2%) to their portfolio in Q2 2026, for an estimated $134,799,379
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 4,161,262 shares (+inf%) to their portfolio in Q2 2026, for an estimated $88,177,141
INVESCO LTD. added 3,667,101 shares (+32.6%) to their portfolio in Q2 2026, for an estimated $77,705,870
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP removed 3,240,652 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $68,669,415
DONALD SMITH & CO., INC. added 3,105,856 shares (+67.3%) to their portfolio in Q2 2026, for an estimated $65,813,088

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$MOS Price Targets

Multiple analysts have issued price targets for $MOS recently. We have seen 11 analysts offer price targets for $MOS in the last 6 months, with a median target of $26.0.

Here are some recent targets:

Nigel Dally from Morgan Stanley set a target price of $26.0 on 06/30/2026
Mazahir Mammadli from Rothschild & Co set a target price of $30.0 on 06/26/2026
Vitaly Kononov from Freedom Broker set a target price of $32.0 on 06/17/2026
Joel Jackson from BMO Capital set a target price of $31.0 on 05/21/2026
Benjamin Theurer from Barclays set a target price of $26.0 on 05/18/2026
Michael Sison from Wells Fargo set a target price of $22.0 on 05/14/2026
Andrew D. Wong from RBC Capital set a target price of $27.0 on 05/13/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.