Question 1

How many shares of MSTR does Parallax Volatility Advisers, L.P. own?

Accepted Answer

As of 2026-Q2, Parallax Volatility Advisers, L.P. holds 30,024 shares of MSTR (STRATEGY INC).

Question 2

What is Parallax Volatility Advisers, L.P.'s MSTR position worth?

Accepted Answer

As of 2026-Q2, Parallax Volatility Advisers, L.P.'s MSTR position is worth $2.6M.

Question 3

Is Parallax Volatility Advisers, L.P. buying or selling MSTR?

Accepted Answer

In 2026-Q2, Parallax Volatility Advisers, L.P. decreased their MSTR position (-72.7% change in shares).

Question 4

When did Parallax Volatility Advisers, L.P. first buy MSTR?

Accepted Answer

Based on available 13F filings, Parallax Volatility Advisers, L.P. first reported a position in MSTR in 2024-Q3. They have held the position across 19 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	30,024	-72.7%	$2.6M	0.0%	$86.93	0
2026-Q1	Increased	110,060	+177.0%	$18M	0.0%	$132.68	46
2025-Q4	New	39,735	—	$6M	0.0%	$155.61	38
2025-Q2	Exited	0	-100.0%	$0	0.0%	$383.88	0
2025-Q1	New	3	—	$865	0.0%	$289.41	17
2024-Q4	Exited	0	-100.0%	$0	0.0%	$302.96	0
2024-Q3	Increased	10,076	+1519.9%	$1.7M	0.0%	$176.22	41