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Weiss Asset Management’s The Mosaic Company MOS Stock Holding History

Weiss Asset Management’s Portfolio MOS Stock Details MOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$983K Sell
38,535
-615,873
-94% -$16.9M 0.02% 333
2025
Q4 		$15.8M Buy
+654,408
New +$17.6M 0.21% 94
2025
Q1 		– Sell
-49,968
Closed -$1.23M – 545
2024
Q4 		$1.23M Buy
+49,968
New +$1.31M 0.02% 351
2021
Q4 		– Sell
-28,100
Closed -$1M – 709
2021
Q3 		$1M Buy
+28,100
New +$899K 0.03% 378
2020
Q3 		– Sell
-19,819
Closed -$248K – 276
2020
Q2 		$248K Buy
+19,819
New +$237K 0.02% 155

Other funds holding MOS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Weiss Asset Management's MOS Position: Q1 2026 in Review

Weiss Asset Management reduced its The Mosaic Company (MOS) stake by 94% in Q1 2026, selling an estimated $16.9M and leaving 38,535 shares worth $983K. The position accounts for 0.02% of the portfolio, ranked #333.

Weiss Asset Management first reported a position in MOS in Q2 2020 and has held it in 5 quarters since. The position peaked at $15.8M in Q4 2025. 692 funds tracked by Wall St. Rank hold MOS as of Q1 2026.

  • Weiss Asset Management held 38,535 shares of The Mosaic Company worth $983K as of Q1 2026.
  • Weiss Asset Management sold 615,873 The Mosaic Company shares in Q1 2026, an estimated $16.9M.
  • The Mosaic Company made up 0.02% of Weiss Asset Management's portfolio in Q1 2026, its #333 holding.
  • Weiss Asset Management first reported a position in The Mosaic Company in Q2 2020 and has held it in 5 quarters since.
  • Weiss Asset Management's The Mosaic Company position peaked at $15.8M in Q4 2025.
  • 692 funds tracked by Wall St. Rank held The Mosaic Company as of Q1 2026.

Based on Weiss Asset Management's 13F filing for Q1 2026, filed 15 May 2026.