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Mizuho Securities USA’s Seagate STX Stock Holding History

Mizuho Securities USA’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 		$16.9M Buy
17,555
+4,372
+33% +$3.34M 0.27% 57
2026
Q1 		$5.16M Sell
13,183
-2,681
-17% -$1.02M 0.12% 182
2025
Q4 		$4.4M Buy
15,864
+374
+2% +$97.1K 0.07% 238
2025
Q3 		$2.59M Buy
15,490
+825
+6% +$141K 0.05% 352
2025
Q2 		$2.12M Sell
14,665
-2,286
-13% -$237K 0.05% 378
2025
Q1 		$1.44M Sell
16,951
-3,097
-15% -$293K 0.03% 462
2024
Q4 		$1.73M Buy
20,048
+6,431
+47% +$647K 0.03% 445
2024
Q3 		$1.49M Sell
13,617
-1,442
-10% -$147K 0.03% 411
2024
Q2 		$1.56M Buy
+15,059
New +$1.41M 0.03% 413
2015
Q2 		– Sell
-9,438
Closed -$491K – 246
2015
Q1 		$491K Sell
9,438
-336
-3% -$20K 0.06% 156
2014
Q4 		$650K Buy
9,774
+4,083
+72% +$253K 0.06% 136
2014
Q3 		$326K Buy
+5,691
New +$337K 0.04% 116
2014
Q1 		– Sell
-39,416
Closed -$2.21M – 97
2013
Q4 		$2.21M Buy
39,416
+8,651
+28% +$428K 0.18% 80
2013
Q3 		$1.35M Sell
30,765
-5,532
-15% -$233K 0.09% 88
2013
Q2 		$1.63M Buy
+36,297
New +$1.46M 0.08% 79

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

Mizuho Securities USA's STX Position: Q2 2026 in Review

Mizuho Securities USA increased its Seagate (STX) stake by 33% in Q2 2026, buying an estimated $3.34M and bringing the position to 17,555 shares worth $16.9M. The position accounts for 0.27% of the portfolio, ranked #57.

Mizuho Securities USA first reported a position in STX in Q2 2013 and has held it in 15 quarters since. 1,950 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • Mizuho Securities USA held 17,555 shares of Seagate worth $16.9M as of Q2 2026.
  • Mizuho Securities USA bought 4,372 Seagate shares in Q2 2026, an estimated $3.34M.
  • Seagate made up 0.27% of Mizuho Securities USA's portfolio in Q2 2026, its #57 holding.
  • Mizuho Securities USA first reported a position in Seagate in Q2 2013 and has held it in 15 quarters since.
  • 1,950 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.