Mosaic Co/the (MOS) Quarterly Institutional 13F Update (Q2 2026)

MOS ranks #799 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

MOS is a disclosed holding of Cliff Asness (AQR Capital Management), one of the tracked superinvestors on AlphaSMO — it makes up 0.1% of that fund's own 13F portfolio.

MOS is a top-conviction position for Gate City Capital Management, LLC — at 7.1% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in MOS belongs to BlackRock, Inc., but the position matters far more to Gate City Capital Management, LLC, who has 7.1% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

California State Teachers Retirement System has added to its MOS position for two straight quarters, increasing it by $360.9M to reach $368.2M today.

Fidelity has trimmed its MOS position for two straight quarters, cutting it by $685.4M while still holding $279.7M.

MOS is down 1.7% today, but institutions show net buying of $953.0M this quarter — a divergence between today's price move and the underlying institutional flow.

MOS reported a net loss of $638.5M over the trailing twelve months.

• Not yet profitable — net loss of $638.5M over the trailing twelve months
• Revenue grew 8.8% year over year
• Net income declined year over year, from $940.0M to -$638.5M
• Generated $824.8M in positive operating cash flow
• Current ratio of 1.31x — below the conventional 1.5x liquidity buffer
• Liabilities run 2.03x equity — a highly leveraged balance sheet worth noting