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Parallax Volatility Advisers, L.P.

Position in STX — Seagate Technology Holdings plc

CIK 1521001 San Francisco, CA

Position in STX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$312,660
+$312,660 QoQ
Shares Held
324
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1,541
of 1,943 holders
Holding Since
Jun 2021
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in STX Over Time

Shares Held

Position Value (USD)

Derivatives in STX

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$32,810,000
PutShares
34,000

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 Computer Hardware

Technology · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $57,799,254 across 9 Computer Hardware names. STX ranks #9 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in STX

Export CSV
41 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $32,810,000 34,000
2026-06-30 $312,660 324
2026-03-31 $13,319,840 34,000
2026-03-31 $4,897,000 12,500
2025-12-31 $7,616,736 27,658
2025-12-31 $8,261,700 30,000
2025-09-30 $8,238,494 34,900
2025-09-30 $2,950,750 12,500
2025-09-30 $14,633,831 61,992
2024-12-31 $22,440,600 260,000
2024-12-31 $716,373 8,300
2024-09-30 $19,715,400 180,000
2024-09-30 $38,324,547 349,900
2024-06-30 $20,127,323 194,900
2024-06-30 $11,132,506 107,800
2024-03-31 $8,113,960 87,200
2024-03-31 $18,163,360 195,200
2023-12-31 $14,939,750 175,000
2023-12-31 $28,359,914 332,200
2023-09-30 $12,082,040 183,200
2023-09-30 $20,721,490 314,200
2023-06-30 $15,968,647 258,100
2023-06-30 $21,357,524 345,200
2023-03-31 $132 2
2023-03-31 $20,510,424 310,200
2023-03-31 $17,958,192 271,600
2022-12-31 $23,948,072 455,200
2022-12-31 $40,057,254 761,400
2022-09-30 $60,660,908 1,139,600
2022-09-30 $27,253,760 512,000
2022-06-30 $47,136,112 659,800
2022-06-30 $14,052,248 196,700
2022-03-31 $34,908,170 388,300
2022-03-31 $58,974,400 656,000
2021-12-31 $87,503,010 774,500
2021-12-31 $54,309,486 480,700
2021-09-30 $14,284,212 173,100
2021-09-30 $14,651,508 177,551
2021-09-30 $50,007,120 606,000
2021-06-30 $22,430,943 255,100
2021-06-30 $20,566,827 233,900