Stanley Druckenmiller
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Stanley Druckenmiller’s Seagate STX Stock Holding History

Stanley Druckenmiller’s Portfolio STX Stock Details STX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-246,500
Closed -$20.9M – 82
2025
Q1 		$20.9M Sell
246,500
-263,000
-52% -$24.9M 0.68% 34
2024
Q4 		$44M Buy
509,500
+246,500
+94% +$24.8M 1.18% 25
2024
Q3 		$28.8M Buy
+263,000
New +$26.9M 0.98% 23

Other funds holding STX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Sanders Capital
Sanders Capital West Palm Beach, Florida $83.9B AUM 37.89% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Stanley Druckenmiller's STX Position: Q1 2026 in Review

Stanley Druckenmiller opened a new position in Seagate (STX) in Q1 2026: 50,700 shares worth $19.9M. The stake represents 0.59% of the portfolio and ranks #37 among its holdings. This is a return to the name: Stanley Druckenmiller previously reported a position in STX as recently as Q3 2025.

Stanley Druckenmiller first reported a position in STX in Q3 2023 and has held it in 10 quarters since. The position peaked at $181M in Q2 2024. 1,458 funds tracked by Wall St. Rank hold STX as of Q1 2026.

  • Stanley Druckenmiller held 50,700 shares of Seagate worth $19.9M as of Q1 2026.
  • Seagate was a new Stanley Druckenmiller position in Q1 2026.
  • Seagate made up 0.59% of Stanley Druckenmiller's portfolio in Q1 2026, its #37 holding.
  • Stanley Druckenmiller first reported a position in Seagate in Q3 2023 and has held it in 10 quarters since.
  • Stanley Druckenmiller's Seagate position peaked at $181M in Q2 2024.
  • 1,458 funds tracked by Wall St. Rank held Seagate as of Q1 2026.

Based on Duquesne Family Office's 13F filing for Q1 2026, filed 15 May 2026.