Question 1

Does Mariner own PLTR stock?

Accepted Answer

Yes. As of its Q3 2026 13F, Mariner holds 2,433,825 shares of PLTR (Palantir Technologies), worth $455.2M.

Question 2

How many shares of PLTR does Mariner own?

Accepted Answer

As of its Q3 2026 13F, Mariner holds 2,433,825 shares of PLTR (Palantir Technologies).

Question 3

What is Mariner's PLTR position worth?

Accepted Answer

As of its Q3 2026 13F, Mariner's PLTR position is worth $455.2M.

Question 4

Is Mariner buying or selling PLTR?

Accepted Answer

In Q3 2026, Mariner increased its PLTR position by 168,970 shares (+7.5%).

Question 5

When did Mariner first buy PLTR?

Accepted Answer

Mariner first reported PLTR in its Q4 2020 13F and has listed it in 24 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q3 Latest	Increased	2.4M	+7.5%	$455.2M	0.5%	$187.05	40
2026-Q2	Increased	2.3M	+15.4%	$264.2M	0.3%	$116.67	42
2026-Q1	Increased	2M	+56.7%	$286.9M	0.3%	$146.28	52
2025-Q4	Increased	1.3M	+12.2%	$222.7M	0.3%	$177.75	41
2025-Q3	Increased	1.1M	+21.3%	$203.7M	0.3%	$182.42	44
2025-Q2	Increased	920,207	+12.7%	$125.4M	0.2%	$136.32	41
2025-Q1	Increased	816,583	+33.7%	$68.9M	0.1%	$84.40	46
2024-Q4	Increased	610,598	+22.1%	$46.2M	0.1%	$75.63	35