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Mosaic Co

MOS
Exchange
NYSE
Industry
Agricultural Chemicals
SEC CIK
0001285785

In the last 90 days, Mosaic Co insiders filed 0 open-market purchases and 1 sale; 671 institutions reported holding it in 13F filings for Q2 2026, worth $6.40B in total; no superinvestor holds it.

Holders of 5% or more of MOS

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Mosaic Co, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of MOS
HolderLatest formStakeChangeFirst filedLatest filingFiling
Vanguard Capital Management LLC13G7.37%23.4M sharesNewApr 30, 20261 filingApr 30, 2026SEC
BlackRock, Inc.13G/A6.70%21.3M shares−2.30 ppfrom 9.00%Feb 5, 20252 filingsApr 17, 2025SEC
State Street Corp13G6.20%19.7M shares–Feb 16, 20214 filingsNov 10, 2026SEC
AQR Capital Management LLC13G5.76%18.3M sharesNewAug 12, 20261 filingAug 12, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

33 Schedule 13D and 13G filings on Mosaic Co, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on MOS
Filed (ET)FilerFormStakeChangeEvent dateFiling
Nov 10, 20268:43 AM ETState Street Corp13G6.20%19.7M shares–Sep 30, 2026SEC
Aug 12, 202612:58 PM ETAQR Capital Management LLCand 1 other13G5.76%18.3M sharesNewJun 30, 2026SEC
Aug 6, 202610:33 AM ETFMR LLCand 1 other13G/A4.20%13.2M shares−4.90 ppfrom 9.10%Below 5%Jun 30, 2026SEC
May 6, 202611:30 AM ETFMR LLCand 1 other13G/A9.10%29.0M shares−3.50 ppfrom 12.60%Mar 31, 2026SEC
Apr 30, 202611:35 AM ETVanguard Capital Management LLC13G7.37%23.4M sharesNewMar 31, 2026SEC
Mar 27, 202610:52 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 5, 20261:31 PM ETFMR LLCand 1 other13G/A12.60%40.0M shares+1.50 ppfrom 11.10%Dec 31, 2025SEC
Sep 8, 202511:46 AM ETFMR LLCand 1 other13G/A11.10%35.1M shares+4.50 ppfrom 6.60%Aug 29, 2025SEC
Aug 14, 20251:07 PM ETPrice T Rowe Associates Inc13G/A0.70%2.38M shares–Below 5%Jun 30, 2025SEC
Aug 6, 202512:06 PM ETFMR LLCand 1 other13G6.60%20.9M shares–Jun 30, 2025SEC
Apr 17, 20259:35 AM ETBlackRock, Inc.13G/A6.70%21.3M shares−2.30 ppfrom 9.00%Mar 31, 2025SEC
Feb 5, 20251:23 PM ETBlackRock, Inc.13G/A9.00%28.7M shares–Dec 31, 2024SEC
Nov 14, 2024Price T Rowe Associates Inc13GOld format–New–SEC
Nov 13, 2024Capital World Investors13G/AOld format–––SEC
Mar 8, 2024Capital World Investors13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2024Capital World Investors13G/AOld format–––SEC
Jan 26, 202411:49 AM ETBlackRock Inc.13G/AOld format–––SEC
Jan 25, 2024State Street Corp13G/AOld format–––SEC
Mar 10, 2023Capital World Investors13G/AOld format–––SEC
Feb 13, 2023Capital World Investors13GOld format–New–SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2023FMR LLC13G/AOld format–––SEC
Feb 3, 20234:27 PM ETBlackRock Inc.13G/AOld format–––SEC
Jan 31, 2023State Street Corp13G/AOld format–––SEC
Feb 9, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2022FMR LLC13GOld format–New–SEC
Feb 2, 20227:18 PM ETBlackRock Inc.13G/AOld format–––SEC
Nov 10, 20214:16 PM ETVale S.A.13D/AOld format–––SEC
Sep 10, 2021Vanguard Group Inc13G/AOld format–––SEC
Feb 16, 2021State Street Corp13G/AOld format–––SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC
Jan 29, 20215:23 PM ETBlackRock Inc.13G/AOld format–––SEC

Form 144: proposed insider sales

6 notices from officers, directors and other affiliates planning to sell Mosaic Co shares, newest first.

Form 144 notices for MOS
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Aug 19, 20263:34 PM ETPrecourt Walter F. IIIOfficer23.0K$508.6KAug 19, 2026Fidelity Brokerage Services LLCSEC
May 29, 202512:50 PM ETPrecourt Walter F. IIIOfficer18.0K$642.8KMay 29, 2025Fidelity Brokerage Services LLCSEC
May 8, 20254:11 PM ETBodine Bruce M.Officer · Director180.7K$5.69MMay 8, 2025Fidelity Brokerage Services LLCSEC
Nov 21, 20244:33 PM ETRicard Corrine D.Director2.79K$72.5KNov 21, 2024Ertmann Foster KnightSEC
Aug 13, 20245:03 PM ETPrecourt Walter F. IIIOfficer39.7K$1.11MAug 13, 2024Fidelity Brokerage Services LLCSEC
Aug 12, 20245:11 PM ETWestbrook Kelvin RDirector12.7K$346.0KAug 12, 2024Fidelity Brokerage Services LLCSEC