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Atika Capital Management’s Seagate STX Stock Holding History

Atika Capital Management’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 		$77.1M Buy
79,865
+26,365
+49% +$20.1M 5.07% 3
2026
Q1 		$21M Buy
53,500
+1,593
+3% +$608K 2.63% 8
2025
Q4 		$14.3M Sell
51,907
-66,189
-56% -$17.2M 1.51% 15
2025
Q3 		$27.9M Buy
+118,096
New +$20.2M 2.25% 12

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

Atika Capital Management's STX Position: Q2 2026 in Review

Atika Capital Management increased its Seagate (STX) stake by 49% in Q2 2026, buying an estimated $20.1M and bringing the position to 79,865 shares worth $77.1M. The position accounts for 5.07% of the portfolio, ranked #3.

Atika Capital Management first reported a position in STX in Q3 2025 and has held it in 4 quarters since. 1,958 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • Atika Capital Management held 79,865 shares of Seagate worth $77.1M as of Q2 2026.
  • Atika Capital Management bought 26,365 Seagate shares in Q2 2026, an estimated $20.1M.
  • Seagate made up 5.07% of Atika Capital Management's portfolio in Q2 2026, its #3 holding.
  • Atika Capital Management first reported a position in Seagate in Q3 2025 and has held it in 4 quarters since.
  • 1,958 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Atika Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.