# THE MOSAIC COMPANY (MOS) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 61945C103
Page URL: https://superinvestorclub.com/stock/MOS
Last updated: 2026-07-08T12:26:13.451Z

## Summary

As of the most recent 13F filing period, THE MOSAIC COMPANY (MOS) is held by 4 tracked superinvestors with an aggregate position value of $122.8M representing 046176911483413015920000 shares.

## Top institutional holders (4)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [First Eagle](https://superinvestorclub.com/manager/17) | First Eagle Investment Management | 4617691 | $117.8M | 2.12% | 2026-03-31 |
| 2 | [John Rogers](https://superinvestorclub.com/manager/76) | Ariel Investments | 148341 | $3.8M | 0.04% | 2026-03-31 |
| 3 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 30159 | $769,055 | 0.01% | 2026-03-31 |
| 4 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 20000 | $510,000 | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2023-09-30: 1 holders, $11.5M aggregate, 0324119 shares
- 2023-12-31: 1 holders, $21.4M aggregate, 0597709 shares
- 2024-03-31: 2 holders, $37.0M aggregate, 0112803411061 shares
- 2024-06-30: 2 holders, $64.0M aggregate, 02083233132678 shares
- 2024-09-30: 3 holders, $78.5M aggregate, 0275158014104039000 shares
- 2024-12-31: 3 holders, $81.3M aggregate, 0313812514104030280 shares
- 2025-03-31: 3 holders, $89.5M aggregate, 0314158414104030280 shares
- 2025-06-30: 2 holders, $112.9M aggregate, 02945644148340 shares
- 2025-09-30: 4 holders, $136.2M aggregate, 036930761483405754029500 shares
- 2025-12-31: 4 holders, $116.2M aggregate, 046224051470372846624000 shares
- 2026-03-31: 4 holders, $122.8M aggregate, 046176911483413015920000 shares

## Recent congressional trades (3)

- 2026-01-09: Gil Cisneros (Democrat-CA) purchase $1,001 - $15,000
- 2025-11-10: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-04-23: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "THE MOSAIC COMPANY (MOS) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MOS), aggregating SEC 13F, Form 4, and congressional disclosures."