CIS
STX icon

Custom Index Systems’s Seagate STX Stock Holding History

Custom Index Systems’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 		$1.72M Sell
1,781
-334
-16% -$255K 0.62% 32
2026
Q1 		$829K Buy
2,115
+67
+3% +$25.6K 0.36% 77
2025
Q4 		$564K Hold
2,048
– – 0.25% 116
2025
Q3 		$483K Buy
+2,048
New +$350K 0.14% 164

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 $3.38T AUM 44.17% 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

Custom Index Systems's STX Position: Q2 2026 in Review

Custom Index Systems reduced its Seagate (STX) stake by 16% in Q2 2026, selling an estimated $255K and leaving 1,781 shares worth $1.72M. The position accounts for 0.62% of the portfolio, ranked #32.

Custom Index Systems first reported a position in STX in Q3 2025 and has held it in 4 quarters since. 1,965 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • Custom Index Systems held 1,781 shares of Seagate worth $1.72M as of Q2 2026.
  • Custom Index Systems sold 334 Seagate shares in Q2 2026, an estimated $255K.
  • Seagate made up 0.62% of Custom Index Systems's portfolio in Q2 2026, its #32 holding.
  • Custom Index Systems first reported a position in Seagate in Q3 2025 and has held it in 4 quarters since.
  • 1,965 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.