Wellington Management Group
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Wellington Management Group’s Seagate STX Stock Holding History

Wellington Management Group’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
Q1 		– Sell
-890
Closed -$494K – 1998
2025
Q4 		$494K Sell
890
-332
-27% -$86.2K ﹤0.01% 1819
2025
Q3 		$220K Buy
+1,222
New +$209K ﹤0.01% 1941

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

Wellington Management Group's STX Position: Q2 2026 in Review

Wellington Management Group increased its Seagate (STX) stake by 2,656% in Q2 2026, buying an estimated $1.77B and bringing the position to 2,414,136 shares worth $2.33B. The position accounts for 0.4% of the portfolio, ranked #54.

Wellington Management Group first reported a position in STX in Q2 2013 and has held it in 49 quarters since. 1,958 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • Wellington Management Group held 2,414,136 shares of Seagate worth $2.33B as of Q2 2026.
  • Wellington Management Group bought 2,326,538 Seagate shares in Q2 2026, an estimated $1.77B.
  • Seagate made up 0.4% of Wellington Management Group's portfolio in Q2 2026, its #54 holding.
  • Wellington Management Group first reported a position in Seagate in Q2 2013 and has held it in 49 quarters since.
  • 1,958 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.