The Mosaic Company
The Mosaic Company (MOS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MOS · as of Mar 31, 2025
Ownership Breakdown
681
Institutional Holders
▲ 3 vs Q4
$7.43B
Total Inst. Value
▲ $704.18M vs Q4
317.85M
Shares Outstanding
freeFloat 99.39%
275.04M
13F Shares Held
▲ 1.68M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MOS largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC agricultural chemicals | 38.55M | 12.16% | 12.16% | $1.04T | May 9, 2025 | ▼ 192.8K |
BLACKROCK, INC. agricultural chemicals | 23.34M | 7.36% | 7.36% | $630.38B | May 2, 2025 | ▼ 5.38M |
PRICE T ROWE ASSOCIATES INC /MD/ agricultural chemicals | 17.16M | 5.41% | 5.41% | $463.43B | May 14, 2025 | ▲ 1.02M |
STATE STREET CORP agricultural chemicals | 12.80M | 4.04% | 4.04% | $345.86B | May 15, 2025 | ▼ 1.16M |
INVESCO LTD. agricultural chemicals | 12.44M | 3.92% | 3.92% | $335.90B | May 12, 2025 | ▼ 1.07M |
DIMENSIONAL FUND ADVISORS LP agricultural chemicals | 11.50M | 3.63% | 3.63% | $310.55B | May 13, 2025 | ▲ 456.3K |
GEODE CAPITAL MANAGEMENT, LLC agricultural chemicals | 8.12M | 2.56% | 2.56% | $219.05B | May 13, 2025 | ▼ 500.0K |
BOSTON PARTNERS agricultural chemicals | 7.98M | 2.52% | 2.52% | $215.54B | May 13, 2025 | ▲ 2.37M |
MORGAN STANLEY agricultural chemicals | 5.28M | 1.67% | 1.67% | $142.60B | May 15, 2025 | ▲ 661.1K |
NORGES BANK agricultural chemicals | 4.92M | 1.55% | 1.55% | $132.91B | May 11, 2026 | ▲ 959.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
26
Increased
+23.75M shares4
New Positions
first time holders20
Decreased
−16.46M shares0
Sold Out
fully exitedNet shares change (top 50)
+7.29M
+23.75M / −16.46M
Net new holders
+10
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MOS insider trading · insider activity
Source: SEC Form 4
8
Buy transactions
2
Sell transactions
4.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Kuzenko Jody Lynne director | May 28, 2026 | Award | 7,273 | — | — | 7.3K | Form 4 ↗ |
Shanahan Kathleen M director | May 28, 2026 | Award | 7,273 | — | — | 7.3K | Form 4 ↗ |
Gitzel Timothy S. director | May 28, 2026 | Award | 7,273 | — | — | 7.3K | Form 4 ↗ |
Watkins Gretchen H director | May 28, 2026 | Award | 7,273 | — | — | 7.3K | Form 4 ↗ |
Koenig Emery N. director | May 28, 2026 | Award | 7,273 | — | — | 7.3K | Form 4 ↗ |
Teixeira Joao Roberto Goncalves director | May 28, 2026 | Award | 7,273 | — | — | 7.3K | Form 4 ↗ |
BEEBE CHERYL K director | May 28, 2026 | Award | 7,273 | — | — | 7.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
The Mosaic Company (MOS) is primarily owned by institutional investors, who hold approximately 86.5% of total shares outstanding. Company insiders own approximately 0.61%, while retail and public investors account for the remaining 12.86%.
The largest institutional shareholder of The Mosaic Company is VANGUARD GROUP INC, holding approximately 38.55 million shares — equal to 12.16% of outstanding shares — as of March 31, 2025.
A total of 681 institutional investors currently hold MOS stock, with a combined institutional value of approximately $7.43 billion as of the most recent 13F filing period.
Frequently asked questions
MOS ownershipThe Mosaic Company (MOS) is primarily owned by institutional investors, who hold approximately 86.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.16% stake. Company insiders hold 0.61%. Data sourced from SEC Form 13F as of March 31, 2025.