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Parallax Volatility Advisers, L.P.

Position in MSTR — Strategy Inc

CIK 1521001 San Francisco, CA

Position in MSTR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,609,986
-$11,125,502 QoQ
Shares Held
30,024
-72.7% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#234
of 866 holders
Holding Since
Jun 2021
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MSTR Over Time

Shares Held

Position Value (USD)

Derivatives in MSTR

reported options exposure · as of Jun 30, 2026
CallValue
$36,475,828
CallShares
419,600
PutValue
$104,768,036
PutShares
1,205,200

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Software - Application

Technology · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $77,721,824 across 20 Software - Application names. MSTR ranks #7 (3.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 MSTR
Strategy Inc
This page
30,024 $2,609,986

All Filings in MSTR

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $104,768,036 1,205,200
2026-06-30 $36,475,828 419,600
2026-06-30 $2,609,986 30,024
2026-03-31 $83,728,320 670,900
2026-03-31 $140,125,440 1,122,800
2026-03-31 $13,735,488 110,060
2025-12-31 $82,554,435 543,300
2025-12-31 $6,037,733 39,735
2025-12-31 $210,739,455 1,386,900
2025-09-30 $72,303,924 224,400
2025-09-30 $409,851,120 1,272,000
2025-06-30 $81,775,729 202,300
2025-06-30 $439,195,895 1,086,500
2025-03-31 $269,849,547 936,100
2025-03-31 $864 3
2025-03-31 $23,349,870 81,000
2024-12-31 $257,993,496 890,800
2024-12-31 $18,709,452 64,600
2024-09-30 $180,165,960 1,068,600
2024-09-30 $1,698,813 10,076
2024-09-30 $14,651,340 86,900
2024-06-30 $140,089,716 101,700
2024-06-30 $856,792 622
2024-06-30 $20,799,948 15,100
2024-03-31 $4,943,224 2,900
2024-03-31 $1,003,985 589
2024-03-31 $142,501,216 83,600
2023-12-31 $1,263,240 2,000
2023-12-31 $47,371,500 75,000
2023-09-30 $328,608 1,001
2023-09-30 $1,313,120 4,000
2023-09-30 $1,313,120 4,000
2023-06-30 $6,129,318 17,900
2023-06-30 $445,146 1,300
2023-06-30 $692,030 2,021
2023-03-31 $977,225 3,343
2023-03-31 $10,377,360 35,500
2023-03-31 $3,537,072 12,100
2022-12-31 $2,636,599 18,624
2022-12-31 $1,868,724 13,200
2022-12-31 $6,583,005 46,500
2022-09-30 $106,130 500
2022-09-30 $593,266 2,795
2022-09-30 $7,641,360 36,000
2022-06-30 $624,340 3,800
2022-06-30 $16,430 100
2022-03-31 $437,688 900
2022-03-31 $7,051,640 14,500
2022-03-31 $5,994,866 12,327
2021-12-31 $4,971,193 9,130