Question 1

Does Walleye Trading own MOS stock?

Accepted Answer

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

Question 2

How many shares of MOS does Walleye Trading own?

Accepted Answer

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

Question 3

What is Walleye Trading's MOS position worth?

Accepted Answer

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

Question 4

Is Walleye Trading buying or selling MOS?

Accepted Answer

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

Question 5

When did Walleye Trading first buy MOS?

Accepted Answer

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

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