Question 1

Does Parallax Volatility Advisers own RIOT stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Parallax Volatility Advisers holds 16,636 shares of RIOT (Riot Platforms), worth $455,494.

Question 2

How many shares of RIOT does Parallax Volatility Advisers own?

Accepted Answer

As of its Q2 2026 13F, Parallax Volatility Advisers holds 16,636 shares of RIOT (Riot Platforms).

Question 3

What is Parallax Volatility Advisers' RIOT position worth?

Accepted Answer

As of its Q2 2026 13F, Parallax Volatility Advisers' RIOT position is worth $455,494.

Question 4

Is Parallax Volatility Advisers buying or selling RIOT?

Accepted Answer

In Q2 2026, Parallax Volatility Advisers opened a new RIOT position of 16,636 shares.

Question 5

When did Parallax Volatility Advisers first buy RIOT?

Accepted Answer

Parallax Volatility Advisers first reported RIOT in its Q2 2021 13F and has listed it in 13 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	New	16,636	—	$455,494	0.0%	$27.38	33
2025-Q4	Exited	0	-100.0%	$0	0.0%	$12.67	0
2025-Q3	Increased	361,224	+112.5%	$6.9M	0.0%	$19.03	44
2025-Q2	New	170,000	—	$1.9M	0.0%	$11.30	36
2024-Q4	Exited	0	-100.0%	$0	0.0%	$10.21	0
2024-Q3	Increased	92,699	+35.5%	$687,827	0.0%	$7.42	32