XT
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XTX Topco’s Seagate STX Stock Holding History

XTX Topco’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 		$16.1M Buy
16,735
+11,775
+237% +$8.98M 0.21% 36
2026
Q1 		$1.94M Sell
4,960
-1,310
-21% -$500K 0.03% 860
2025
Q4 		$1.73M Buy
6,270
+3,024
+93% +$785K 0.05% 657
2025
Q3 		$766K Buy
+3,246
New +$554K 0.04% 750
2025
Q2 		– Sell
-36,513
Closed -$3.1M – 3134
2025
Q1 		$3.1M Buy
+36,513
New +$3.45M 0.16% 113
2024
Q4 		– Sell
-13,984
Closed -$1.53M – 2910
2024
Q3 		$1.53M Sell
13,984
-3,922
-22% -$401K 0.11% 232
2024
Q2 		$1.85M Buy
17,906
+15,572
+667% +$1.45M 0.16% 146
2024
Q1 		$217K Buy
+2,334
New +$205K 0.03% 1112
2023
Q4 		– Sell
-5,856
Closed -$386K – 2119
2023
Q3 		$386K Buy
5,856
+732
+14% +$47.1K 0.07% 557
2023
Q2 		$317K Buy
+5,124
New +$313K 0.06% 681
2022
Q2 		– Sell
-2,584
Closed -$232K – 1091
2022
Q1 		$232K Buy
+2,584
New +$265K 0.1% 367
2021
Q2 		– Sell
-2,634
Closed -$202K – 1081
2021
Q1 		$202K Buy
+2,634
New +$183K 0.1% 499

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

XTX Topco's STX Position: Q2 2026 in Review

XTX Topco increased its Seagate (STX) stake by 237% in Q2 2026, buying an estimated $8.98M and bringing the position to 16,735 shares worth $16.1M. The position accounts for 0.21% of the portfolio, ranked #36.

XTX Topco first reported a position in STX in Q1 2021 and has held it in 12 quarters since. 1,962 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • XTX Topco held 16,735 shares of Seagate worth $16.1M as of Q2 2026.
  • XTX Topco bought 11,775 Seagate shares in Q2 2026, an estimated $8.98M.
  • Seagate made up 0.21% of XTX Topco's portfolio in Q2 2026, its #36 holding.
  • XTX Topco first reported a position in Seagate in Q1 2021 and has held it in 12 quarters since.
  • 1,962 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.