Magnetar Financial’s The Mosaic Company MOS Stock Holding History

Magnetar Financial’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	–	Sell	-53,590	Closed	-$1.29M	–	1297
2025 Q4	$1.29M	Buy	+53,590	New	+$1.44M	0.01%	400
2025 Q3	–	Sell	-35,517	Closed	-$1.3M	–	1075
2025 Q2	$1.3M	Buy	+35,517	New	+$1.14M	0.01%	396
2024 Q4	–	Sell	-26,848	Closed	-$719K	–	722
2024 Q3	$719K	Sell	26,848 -12,115	-31%	-$333K	0.02%	308
2024 Q2	$1.13M	Sell	38,963 -84,212	-68%	-$2.54M	0.02%	253
2024 Q1	$4M	Buy	123,175 +27,495	+29%	+$876K	0.09%	132
2023 Q4	$3.42M	Buy	+95,680	New	+$3.38M	0.09%	157
2022 Q2	–	Sell	-64,215	Closed	-$4.27M	–	1769
2022 Q1	$4.27M	Buy	+64,215	New	+$3.21M	0.05%	407
2016 Q4	–	Sell	-16,780	Closed	-$410K	–	251
2016 Q3	$410K	Buy	+16,780	New	+$458K	0.01%	408
2015 Q4	–	Sell	-10,585	Closed	-$329K	–	441
2015 Q3	$329K	Buy	+10,585	New	+$437K	﹤0.01%	327
2014 Q1	–	Sell	-175,000	Closed	-$8.27M	–	270
2013 Q4	$8.27M	Sell	175,000 -212,800	-55%	-$9.87M	0.17%	90
2013 Q3	$16.7M	Buy	+387,800	New	+$18.1M	0.27%	90

Other funds holding MOS

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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 Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Magnetar Financial's MOS Position: Q1 2026 in Review

Magnetar Financial sold out of The Mosaic Company (MOS) in Q1 2026, closing a stake of 53,590 shares — an estimated $1.29M sold.

Magnetar Financial first reported a position in MOS in Q3 2013 and held it in 11 quarters. The position peaked at $16.7M in Q3 2013. 692 funds tracked by Wall St. Rank hold MOS as of Q1 2026.

Magnetar Financial reported no remaining The Mosaic Company position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 53,590 The Mosaic Company shares in Q1 2026, an estimated $1.29M.
Magnetar Financial first reported a position in The Mosaic Company in Q3 2013 and held it in 11 quarters.
Magnetar Financial's The Mosaic Company position peaked at $16.7M in Q3 2013.
692 funds tracked by Wall St. Rank held The Mosaic Company as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.