Leopold Aschenbrenner’s Seagate STX Stock Holding History

Leopold Aschenbrenner’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 Q4	–	Sell	-48,567	Closed	-$11.5M	–	34
2025 Q3	$11.5M	Buy	+48,567	New	+$8.29M	0.28%	28

Other funds holding STX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Sanders Capital West Palm Beach, Florida $83.9B AUM 37.89% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Leopold Aschenbrenner's STX Position: Q4 2025 in Review

Leopold Aschenbrenner sold out of Seagate (STX) in Q4 2025, closing a stake of 48,567 shares — an estimated $11.5M sold.

Leopold Aschenbrenner first reported a position in STX in Q3 2025 and held it in 1 quarter. The position peaked at $11.5M in Q3 2025. 1,273 funds tracked by Wall St. Rank hold STX as of Q4 2025.

Leopold Aschenbrenner reported no remaining Seagate position as of Q4 2025 after selling out during the quarter.
Leopold Aschenbrenner sold 48,567 Seagate shares in Q4 2025, an estimated $11.5M.
Leopold Aschenbrenner first reported a position in Seagate in Q3 2025 and held it in 1 quarter.
Leopold Aschenbrenner's Seagate position peaked at $11.5M in Q3 2025.
1,273 funds tracked by Wall St. Rank held Seagate as of Q4 2025.

Based on Situational Awareness's 13F filing for Q4 2025, filed 11 Feb 2026.