Comparable stake leader
FMR LLC
SEC ownership of MOSAIC CO
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001285785.
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
28 May 2026
- Public ticker
- MOS on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
FMR LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
FMR LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
28 May 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001285785
- Issuer location
- Tampa, FL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MOSAIC CO (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
28 May 2026
13F
13D/G
3/4/5
Lead comparable stake: 9.1%
13D/G row: FMR LLC
Showing 1-8 of 50 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 9.1%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
9.1%
VANGUARD CAPITAL MANAGEMENT LLC
7.4%
BlackRock, Inc.
6.7%
PRICE T ROWE ASSOCIATES INC /MD/
0.7%
Karen A. Swager
0.06%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
Company
|
9.1%
from 13D/G
|
$741,514,732
29,079,010 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
7.4%
|
$597,058,198
23,414,047 shares
|
$0 | 31 Mar 2026 |
| BlackRock, Inc. |
13D/G
13F
Company
|
6.7%
|
$619,024,385
21,250,408 shares
|
-$217,439,865 | 31 Mar 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
13D/G
Company · T. Rowe Price Associates, Inc.
|
0.7%
from 13D/G
|
$140,109,000
5,494,435 shares
|
— | 31 Mar 2026 |
| Karen A. Swager |
3/4/5
EVP - Operations
|
0.06%
|
$5,022,102
175,598 shares
|
— | 09 Mar 2026 |
| Gregory L. Ebel |
3/4/5
Director
|
0.05%
|
$4,098,489
150,431 shares
mixed-class rows
|
— | 28 May 2026 |
| Walter F. Precourt III |
3/4/5
SVP - Chief Admin Officer
|
0.04%
|
$3,981,062
139,198 shares
|
— | 09 Mar 2026 |
| Emery N. Koenig |
3/4/5
Director
|
0.03%
|
$2,385,737
86,228 shares
mixed-class rows
|
— | 28 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$17,488.
Buys
$17,488
Insiders: 1
Sells
$0
Insiders: 0
Net
+$17,488
Shares: +685
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 685
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 685 | 0 | $17,488 | $0 | +$17,488 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 29 reporting-owner rows connected to MOSAIC CO. Open a relationship link for the CIK-to-CIK filing trail.
Rows
29
Largest Forms 3/4/5 holder
James Calvin O'Rourke
Net 12M change
+$17,488
Latest report
28 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| James Calvin O'Rourke | CEO, Director | $26,199,678 | Mixed | 06 Dec 2023 | ||
| Clint C. Freeland | EVP & Chief Financial Officer | $7,062,122 | Mixed | 04 Mar 2024 | ||
| Corrine D. Ricard | Sr VP - Digital Strategy | $5,294,174 | Mixed | 04 Mar 2024 | ||
| Karen A. Swager | EVP - Operations | $5,022,102 | Mixed | 09 Mar 2026 | ||
| Gregory L. Ebel | Director | $4,098,489 | Mixed | 28 May 2026 | ||
| Walter F. Precourt III | SVP - Chief Admin Officer | $3,981,062 | Mixed | 09 Mar 2026 | ||
| Emery N. Koenig | Director | $2,385,737 | Mixed | 28 May 2026 | ||
| Christopher Anthony Lewis | Sr VP - Human Resources | $2,292,141 | Mixed | 09 Mar 2023 | ||
| Timothy S. Gitzel | Director | $2,202,937 | Mixed | 28 May 2026 | ||
| Mark J. Isaacson | SVP, Gen. Counsel & Corp. Sec. | $1,965,511 | Mixed | 18 Apr 2022 | ||
| Yijun Wang | EVP-Commercial | $1,704,931 | Mixed | 09 Mar 2026 | ||
| Luciano Siani Pires | EVP and CFO | $1,558,328 | Mixed | 04 Mar 2026 | ||
| Steven M. Seibert | Director | $1,512,340 | Mixed | 20 May 2024 | ||
| David T. Seaton | Director | $1,477,768 | Mixed | 28 May 2026 | ||
| Cheryl K. Beebe | Director | $1,365,619 | Mixed | 28 May 2026 | ||
| Kelvin R. Westbrook | Director | $1,190,077 | Mixed | 28 May 2026 | ||
| Gretchen H. Watkins | Director | $1,091,316 | Mixed | 28 May 2026 | ||
| Bruce M. Bodine | President and CEO, Director | $1,081,348 | Mixed | 09 Mar 2026 | ||
| Benjamin James Pratt | Sr VP - Gov. & Public Affairs | $1,064,582 | Mixed | 01 Apr 2023 | ||
| Nancy E. Cooper | Director | $1,012,571 | Mixed | 10 May 2021 |
Recent insider transactions for MOSAIC CO
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Jody Lynne Kuzenko | MOS | Common Stock | Options Exercise | 56.8% | 4,873 | 13,444 | 28 May 2026 | Direct | ||
| Jody Lynne Kuzenko | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Jody Lynne Kuzenko | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Kathleen M. Shanahan | MOS | Common Stock | Options Exercise | 202% | 4,873 | 7,286 | 28 May 2026 | Direct | ||
| Kathleen M. Shanahan | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Kathleen M. Shanahan | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Timothy S. Gitzel | MOS | Common Stock | Options Exercise | 6.53% | 4,873 | 79,527 | 28 May 2026 | Direct | ||
| Timothy S. Gitzel | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Timothy S. Gitzel | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Gretchen H. Watkins | MOS | Common Stock | Options Exercise | 15.7% | 4,873 | 35,934 | 28 May 2026 | Direct | ||
| Gretchen H. Watkins | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Gretchen H. Watkins | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Emery N. Koenig | MOS | Common Stock | Options Exercise | 5.99% | 4,873 | 86,228 | 28 May 2026 | Direct | ||
| Emery N. Koenig | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Emery N. Koenig | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Joao Roberto Goncalves Teixeira | MOS | Common Stock | Options Exercise | 56.9% | 4,873 | 13,442 | 28 May 2026 | Direct | ||
| Joao Roberto Goncalves Teixeira | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Joao Roberto Goncalves Teixeira | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Cheryl K. Beebe | MOS | Common Stock | Options Exercise | 5.51% | 2,437 | 46,691 | 28 May 2026 | Direct | ||
| Cheryl K. Beebe | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Cheryl K. Beebe | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| David T. Seaton | MOS | Common Stock | Options Exercise | 6.61% | 3,167 | 51,089 | 28 May 2026 | Direct | ||
| David T. Seaton | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| David T. Seaton | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Gregory L. Ebel | MOS | Common Stock | Options Exercise | 7,310 | 7,310 | 28 May 2026 | Direct | |||
| Gregory L. Ebel | MOS | Restricted Stock Units | Options Exercise | -100% | -7,310 | 0 | 28 May 2026 | Direct | ||
| Gregory L. Ebel | MOS | Restricted Stock Units | Award | 10,910 | 10,910 | 28 May 2026 | Direct | |||
| Sonya C. Little | MOS | Common Stock | Options Exercise | 202% | 4,873 | 7,286 | 28 May 2026 | Direct | ||
| Sonya C. Little | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Sonya C. Little | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Kelvin R. Westbrook | MOS | Common Stock | Options Exercise | 6.52% | 2,437 | 39,807 | 28 May 2026 | Direct | ||
| Kelvin R. Westbrook | MOS | Restricted Stock Units | Options Exercise | -100% | -4,873 | 0 | 28 May 2026 | Direct | ||
| Kelvin R. Westbrook | MOS | Restricted Stock Units | Award | 7,273 | 7,273 | 28 May 2026 | Direct | |||
| Bruce M. Bodine | MOS | Common Stock | Tax liability | -39.4% | -7,668 | 11,816 | 09 Mar 2026 | Direct | ||
| Bruce M. Bodine | MOS | Common Stock | Options Exercise | 19,484 | 19,484 | 09 Mar 2026 | Direct | |||
| Bruce M. Bodine | MOS | Restricted Stock Units | Options Exercise | -100% | -13,704 | 0 | 09 Mar 2026 | Direct | ||
| Walter F. Precourt III | MOS | Common Stock | Tax liability | -4.57% | -6,667 | 139,198 | 09 Mar 2026 | Direct | ||
| Walter F. Precourt III | MOS | Common Stock | Options Exercise | 13.5% | 17,319 | 145,865 | 09 Mar 2026 | Direct | ||
| Walter F. Precourt III | MOS | Restricted Stock Units | Options Exercise | -100% | -12,181 | 0 | 09 Mar 2026 | Direct | ||
| Philip E. Bauer | MOS | Common Stock | Tax liability | -10.9% | -4,260 | 34,942 | 09 Mar 2026 | Direct | ||
| Philip E. Bauer | MOS | Common Stock | Options Exercise | 38.1% | 10,824 | 39,202 | 09 Mar 2026 | Direct | ||
| Philip E. Bauer | MOS | Restricted Stock Units | Options Exercise | -100% | -7,613 | 0 | 09 Mar 2026 | Direct | ||
| Yijun Wang | MOS | Common Stock | Tax liability | -6.88% | -4,406 | 59,613 | 09 Mar 2026 | Direct | ||
| Yijun Wang | MOS | Common Stock | Options Exercise | 20.4% | 10,824 | 64,019 | 09 Mar 2026 | Direct | ||
| Yijun Wang | MOS | Restricted Stock Units | Options Exercise | -100% | -7,613 | 0 | 09 Mar 2026 | Direct | ||
| Karen A. Swager | MOS | Common Stock | Tax liability | -3.35% | -6,087 | 175,598 | 09 Mar 2026 | Direct | ||
| Karen A. Swager | MOS | Common Stock | Options Exercise | 10.5% | 17,319 | 181,685 | 09 Mar 2026 | Direct | ||
| Karen A. Swager | MOS | Restricted Stock Units | Options Exercise | -100% | -12,181 | 0 | 09 Mar 2026 | Direct | ||
| Russell A. Flugel | MOS | Common Stock | Tax liability | -16.1% | -2,384 | 12,461 | 09 Mar 2026 | Direct | ||
| Russell A. Flugel | MOS | Common Stock | Options Exercise | 59.6% | 5,545 | 14,845 | 09 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.