Does Walleye Trading own MOS stock?

Yes. As of its Q2 2026 13F, Walleye Trading holds 79,382 shares of MOS (Mosaic), worth $1.7M.

How many shares of MOS does Walleye Trading own?

As of its Q2 2026 13F, Walleye Trading holds 79,382 shares of MOS (Mosaic).

As of its Q2 2026 13F, Walleye Trading's MOS position is worth $1.7M.

In Q2 2026, Walleye Trading reduced its MOS position by 114,922 shares (-59.2%).

Walleye Trading already held MOS in its Q4 2018 13F, the earliest on record, and has listed it in 28 quarterly 13F filings.

31 quarters

Position history for Walleye Trading LLC's holdings in The Mosaic Company

Current Value

$1.7M

Current Shares

79,382

Total Value Change

-$578,895

Total Shares Change

+1,990

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	79,382	-59.1%	$1.7M	0.0%	$21.01	0
2026-Q1	Increased	194,304	+40.8%	$5M	0.0%	$25.03	36
2025-Q4	Decreased	138,014	-4.5%	$3.3M	0.0%	$23.45	0
2025-Q3	Increased	144,510	+36.3%	$5M	0.0%	$33.45	35
2025-Q2	Increased	105,990	+19.5%	$3.9M	0.0%	$34.95	32
2025-Q1	Decreased	88,664	-1.1%	$2.4M	0.0%	$25.72	0
2024-Q4	Increased	89,631	+403.6%	$2.2M	0.0%	$23.19	42
2024-Q3	New	17,799	-	$476,657	0.0%	$25.07	33
2024-Q2	Exited	0	-100.0%	$0	0.0%	$26.85	0
2024-Q1	Increased	180,937	+107.3%	$5.9M	0.0%	$29.94	44
2023-Q4	Decreased	87,300	-44.1%	$3.1M	0.0%	$32.73	0
2023-Q3	Increased	156,173	+60.9%	$5.6M	0.0%	$32.43	39
2023-Q2	New	97,083	-	$3.4M	0.0%	$31.72	37
2023-Q1	Exited	0	-100.0%	$0	0.0%	$41.33	0
2022-Q4	Increased	150,542	+83.7%	$6.6M	0.0%	$39.17	42
2022-Q3	Increased	81,934	+23.2%	$4M	0.0%	$43.02	32
2022-Q2	Decreased	66,490	-60.8%	$3.1M	0.0%	$41.93	0
2022-Q1	Increased	169,790	+55.7%	$11.3M	0.0%	$58.90	39
2021-Q4	Increased	109,026	+15.4%	$4.3M	0.0%	$34.72	31
2021-Q3	Decreased	94,451	-24.2%	$3.4M	0.0%	$31.50	0
2021-Q2	Increased	124,538	+7.7%	$4M	0.0%	$28.07	29
2021-Q1	Decreased	115,594	-27.9%	$3.7M	0.0%	$27.75	0
2020-Q4	Increased	160,348	+8.4%	$3.7M	0.0%	$20.17	29
2020-Q3	Increased	147,965	+93.8%	$2.7M	0.0%	$15.98	42
2020-Q2	New	76,349	-	$955,000	0.0%	$10.91	35
2020-Q1	Exited	0	-100.0%	$0	0.0%	$9.40	0
2019-Q4	Increased	217,024	+318.6%	$4.7M	0.0%	$18.75	43
2019-Q3	Decreased	51,849	-65.4%	$1.1M	0.0%	$17.71	0
2019-Q2	Increased	149,926	+118.3%	$3.8M	0.0%	$21.56	43
2019-Q1	Decreased	68,662	-11.3%	$1.9M	0.0%	$23.47	0
2018-Q4	First report	77,392	-	$2.3M	0.0%	$25.09	0