Mosaic Falls as Belarus Potash Talk Revives Pricing Concerns

The Mosaic Company (MOS) is down 3.3% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver is renewed pressure on fertilizer names after investors reacted to talk of potential lower-priced potash supply from Belarus, which could weigh on North American potash pricing if it materializes. Mosaic also came into the week with weak sentiment after recent results showed ongoing phosphate-side challenges, so the stock may be more sensitive than usual to any news that threatens fertilizer margins.

Details:

Recent market chatter around possible U.S. purchases of Belarus potash appears to have hit fertilizer producers broadly, with Mosaic among the stocks pressured by concerns about future pricing.

In its second-quarter 2026 materials, Mosaic posted a net loss and said sulfur supply issues and high input costs contributed to production curtailments in phosphate operations.

The company said it may continue temporary curtailments at certain phosphate facilities in North America and Brazil during the third quarter because of market conditions and limited sulfur supply.

Mosaic also announced executive leadership changes this week, but that update looked more like background context than a clear negative catalyst for a one-day drop.

Sources:

SEC, The Mosaic Company, Yahoo Finance

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.

$MOS Hedge Fund Activity

We have seen 368 institutional investors add shares of $MOS stock to their portfolio, and 408 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 Congressional Stock Trading

Members of Congress have traded $MOS stock 2 times in the past 6 months. Of those trades, 1 have been purchases and 1 have been sales.

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

REPRESENTATIVE GILBERT RAY CISNEROS, JR. sold up to $15,000 on 04/14.
SENATOR ALAN ARMSTRONG purchased up to $15,000 on 03/27.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$MOS Price Targets

Multiple analysts have issued price targets for $MOS recently. We have seen 12 analysts offer price targets for $MOS in the last 6 months, with a median target of $26.5.

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.