Question 1

How many shares of STX does Duquesne Family Office LLC own?

Accepted Answer

As of 2026-Q2, Duquesne Family Office LLC holds 122,000 shares of STX (SEAGATE TECHNOLOGY HLDNGS PL).

Question 2

What is Duquesne Family Office LLC's STX position worth?

Accepted Answer

As of 2026-Q2, Duquesne Family Office LLC's STX position is worth $117.7M.

Question 3

Is Duquesne Family Office LLC buying or selling STX?

Accepted Answer

In 2026-Q2, Duquesne Family Office LLC increased their STX position (+140.6% change in shares).

Question 4

When did Duquesne Family Office LLC first buy STX?

Accepted Answer

Based on available 13F filings, Duquesne Family Office LLC first reported a position in STX in 2024-Q3. They have held the position across 12 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	122,000	+140.6%	$117.7M	2.3%	$965.00	83
2026-Q1	New	50,700	—	$19.9M	0.6%	$357.62	55
2025-Q4	Exited	0	-100.0%	$0	0.0%	$280.08	0
2025-Q3	Decreased	85,900	-56.5%	$20.3M	0.5%	$227.82	0
2025-Q2	Decreased	197,490	-10.0%	$28.5M	0.7%	$140.63	0
2025-Q1	Decreased	219,477	-86.0%	$18.6M	0.6%	$83.99	0
2024-Q4	Decreased	1.6M	-4.7%	$135M	3.6%	$84.88	0
2024-Q3	Decreased	1.6M	-6.5%	$179.7M	6.1%	$105.88	0