$MOS

$17.71 -$0.13 (0.73%) Close

$MOS Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 317.9M shares outstanding

Who owns MOS?

By type of holder

Institutions 93.9% Insiders 0.3% Everyone else 5.8%

Concentration Top 10 holders own 48.1%

FMR LLC 4.2% · BlackRock, Inc. 7.8%

Institutional ownership

93.9%

+5.2 pts vs last qtr

Institutional holders

661

-32 vs last qtr

Net shares bought

+16.7M

by institutions in Q2 2026

New / sold out

99 / 131

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Aqr Capital Management LLC +7.4M
Millennium Management LLC +6.4M

Biggest sellers in Q2 2026

FMR LLC −15.9M
Arrowstreet Capital, Limited Partnership SOLD OUT −3.2M

Who is planning to sell?

Notices of proposed sale, last 12 months

$509K

1 notice from 1 person

Shares covered

23.0K

0.01% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Precourt Walter F. III Officer $509K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−9.3%

−1.08% a year

Each share's claim on the business

+10.3%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$3.29B vs $285M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years81% 3–5 years2% 1–3 years5% Under 1 year11%

Quarterly turnover

20.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MOS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	13.2M	4.15%	−15.9M (−54.6%)	≤2021	0.0%
Shares held by quarter Peak holding40.1M (Q4'25) Change over 8 quarters+13.0M Share of the company4.150% FMR LLC's full portfolio →
B BlackRock, Inc.	24.8M	7.79%	+1.1M (+4.7%)	≤2021	0.0%
Shares held by quarter Peak holding28.7M (Q4'24) Change over 8 quarters−1.1M Share of the company7.790% BlackRock, Inc.'s full portfolio →

FMR LLC

13.2M

% of company

4.15%

Change vs last qtr

−15.9M (−54.6%)

Held since

≤2021

BlackRock, Inc.

24.8M

% of company

7.79%

Change vs last qtr

+1.1M (+4.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Mosaic Co, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MOS on Form N-PORT; together they hold 45.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$214M	10.1M	3.17%	0.01%	June 30, 2026
IS Invesco S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust	$208M	9.4M	2.96%	0.22%	July 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$214M

% of company

3.17%

% of the fund

0.01%

As of

June 30, 2026

Invesco S&P 500 Equal Weight ETF

Invesco Exchange-Traded Fund Trust

Position value

$208M

% of company

2.96%

% of the fund

0.22%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding Mosaic Co and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
EG Ebel Gregory L Insider	180.4K	0.06%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.060% Ebel Gregory L's insider activity →
SK Swager Karen A Insider	175.6K	0.06%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.060% Swager Karen A's insider activity →

Ebel Gregory L

Insider

180.4K

% of company

0.06%

Change vs last qtr

—

Held since

—

Swager Karen A

Insider

175.6K

% of company

0.06%

Change vs last qtr

—

Held since

—

16 more holders behind a free account

See every insider and 5%+ holder of Mosaic Co.

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