Question 1

Does Mariner own XLO stock?

Accepted Answer

No. Mariner exited its XLO (Xilio Therapeutics) position in Q1 2026. Its Q4 2025 13F listed 25,000 shares worth $16,005.

Question 2

How many shares of XLO does Mariner own?

Accepted Answer

None since Q1 2026, when Mariner exited the position. Its Q4 2025 13F listed 25,000 shares worth $16,005.

Question 3

What is Mariner's XLO position worth?

Accepted Answer

Mariner's XLO position was worth $16,005 in its Q4 2025 13F, before the exit in Q1 2026.

Question 4

Is Mariner buying or selling XLO?

Accepted Answer

In Q1 2026, Mariner exited its entire XLO position.

Question 5

When did Mariner first buy XLO?

Accepted Answer

Mariner first reported XLO in its Q3 2024 13F and listed it in 6 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	$8.41	0
2025-Q4	Unchanged	25,000	0.0%	$16,005	0.0%	$8.96	0
2025-Q3	Unchanged	25,000	0.0%	$21,068	0.0%	$11.80	0
2025-Q2	Unchanged	25,000	0.0%	$16,998	0.0%	$9.52	0
2025-Q1	Unchanged	25,000	0.0%	$18,110	0.0%	$10.14	0
2024-Q4	Decreased	25,000	-1.3%	$23,875	0.0%	$13.37	0
2024-Q3	New	25,317	—	$19,942	0.0%	$11.03	29