Optiver Holding
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Optiver Holding’s Seagate STX Stock Holding History

Optiver Holding’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 		$1.04M Buy
+1,076
New +$821K ﹤0.01% 641
2025
Q4 		– Sell
-824
Closed -$195K – 2976
2025
Q3 		$195K Buy
+824
New +$141K ﹤0.01% 626
2024
Q4 		– Sell
-224
Closed -$24.5K – 1177
2024
Q3 		$24.5K Sell
224
-15
-6% -$1.53K ﹤0.01% 638
2024
Q2 		$24.7K Sell
239
-27,380
-99% -$2.56M ﹤0.01% 618
2024
Q1 		$2.57M Buy
+27,619
New +$2.43M ﹤0.01% 381
2023
Q4 		– Sell
-268
Closed -$17.7K – 589
2023
Q3 		$17.7K Buy
268
+264
+6,600% +$17K ﹤0.01% 481
2023
Q2 		$247 Buy
+4
New +$244 ﹤0.01% 465
2023
Q1 		– Sell
-182
Closed -$10K – 575
2022
Q4 		$10K Buy
+182
New +$9.68K ﹤0.01% 398

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

Optiver Holding's STX Position: Q2 2026 in Review

Optiver Holding opened a new position in Seagate (STX) in Q2 2026: 1,076 shares worth $1.04M. The stake represents ﹤0.01% of the portfolio and ranks #641 among its holdings. This is a return to the name: Optiver Holding previously reported a position in STX as recently as Q3 2025.

Optiver Holding first reported a position in STX in Q4 2022 and has held it in 8 quarters since. The position peaked at $2.57M in Q1 2024. 1,950 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • Optiver Holding held 1,076 shares of Seagate worth $1.04M as of Q2 2026.
  • Seagate was a new Optiver Holding position in Q2 2026.
  • Seagate made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #641 holding.
  • Optiver Holding first reported a position in Seagate in Q4 2022 and has held it in 8 quarters since.
  • Optiver Holding's Seagate position peaked at $2.57M in Q1 2024.
  • 1,950 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.