Question 1

Does Starboard Value own RIOT stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Starboard Value holds 10,114,576 shares of RIOT (Riot Platforms), worth $276.9M.

Question 2

How many shares of RIOT does Starboard Value own?

Accepted Answer

As of its Q2 2026 13F, Starboard Value holds 10,114,576 shares of RIOT (Riot Platforms).

Question 3

What is Starboard Value's RIOT position worth?

Accepted Answer

As of its Q2 2026 13F, Starboard Value's RIOT position is worth $276.9M.

Question 4

Is Starboard Value buying or selling RIOT?

Accepted Answer

In Q2 2026, Starboard Value reduced its RIOT position by 5,430,000 shares (-34.9%).

Question 5

When did Starboard Value first buy RIOT?

Accepted Answer

Starboard Value first reported RIOT in its Q4 2024 13F and has listed it in 7 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	10.1M	-34.9%	$276.9M	6.1%	$27.38	0
2026-Q1	Increased	15.5M	+22.0%	$192.1M	4.2%	$12.36	68
2025-Q4	Increased	12.7M	+44.5%	$161.5M	3.1%	$12.67	76
2025-Q3	Increased	8.8M	+88.5%	$167.8M	3.2%	$19.03	90
2025-Q2	Decreased	4.7M	-63.2%	$52.8M	0.9%	$11.30	0
2025-Q1	Decreased	12.7M	-0.0%	$90.4M	1.6%	$7.12	0
2024-Q4	New	12.7M	—	$129.7M	2.3%	$10.21	79