PEAK6
STX icon

PEAK6’s Seagate STX Stock Holding History

PEAK6’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
2026
Q2 		$18.7M Buy
19,400
+3,700
+24% +$2.82M 0.04% 361
2026
Q1 		$6.15M Sell
15,700
-11,600
-42% -$4.43M 0.01% 796
2025
Q4 		$7.52M Sell
27,300
-301,600
-92% -$78.3M 0.01% 773
2025
Q3 		$77.6M Sell
328,900
-260,800
-44% -$44.5M 0.11% 136
2025
Q2 		$85.1M Buy
589,700
+539,600
+1,077% +$55.9M 0.16% 123
2025
Q1 		$4.26M Buy
50,100
+5,000
+11% +$473K 0.01% 1012
2024
Q4 		$3.89M Buy
+45,100
New +$4.54M 0.01% 1048

Other funds holding STX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

PEAK6's STX Position: Q2 2026 in Review

PEAK6 reduced its Seagate (STX) stake by 56% in Q2 2026, selling an estimated $19.3M and leaving 20,194 shares worth $19.5M. The position accounts for 0.04% of the portfolio, ranked #345.

PEAK6 first reported a position in STX in Q1 2025 and has held it in 5 quarters since. 1,958 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • PEAK6 held 20,194 shares of Seagate worth $19.5M as of Q2 2026.
  • PEAK6 sold 25,334 Seagate shares in Q2 2026, an estimated $19.3M.
  • Seagate made up 0.04% of PEAK6's portfolio in Q2 2026, its #345 holding.
  • PEAK6 first reported a position in Seagate in Q1 2025 and has held it in 5 quarters since.
  • 1,958 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.