Boston Partners
STX icon

Boston Partners’s Seagate STX Stock Holding History

Boston Partners’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 		$12M Sell
12,476
-617
-5% -$471K 0.01% 438
2026
Q1 		$5.13M Sell
13,093
-597,718
-98% -$228M 0.01% 485
2025
Q4 		$168M Sell
610,811
-761,292
-55% -$198M 0.17% 181
2025
Q3 		$324M Buy
1,372,103
+31,602
+2% +$5.39M 0.33% 101
2025
Q2 		$193M Buy
+1,340,501
New +$139M 0.21% 156
2016
Q2 		– Sell
-1,588,590
Closed -$54.7M – 751
2016
Q1 		$54.7M Sell
1,588,590
-2,473,987
-61% -$79.7M 0.08% 216
2015
Q4 		$149M Sell
4,062,577
-299,985
-7% -$11.4M 0.21% 143
2015
Q3 		$195M Sell
4,362,562
-1,012,623
-19% -$49M 0.3% 113
2015
Q2 		$255M Buy
5,375,185
+295,891
+6% +$16.3M 0.37% 87
2015
Q1 		$264M Sell
5,079,294
-367,232
-7% -$21.8M 0.39% 76
2014
Q4 		$362M Sell
5,446,526
-111,097
-2% -$6.89M 0.54% 56
2014
Q3 		$318M Buy
5,557,623
+289,105
+5% +$17.1M 0.52% 63
2014
Q2 		$299M Sell
5,268,518
-354,679
-6% -$19.1M 0.5% 64
2014
Q1 		$316M Buy
5,623,197
+719,066
+15% +$38.5M 0.58% 51
2013
Q4 		$275M Sell
4,904,131
-522,408
-10% -$25.8M 0.56% 53
2013
Q3 		$237M Buy
5,426,539
+1,628,247
+43% +$68.4M 0.57% 48
2013
Q2 		$170M Buy
+3,798,292
New +$153M 0.47% 56

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

Boston Partners's STX Position: Q2 2026 in Review

Boston Partners reduced its Seagate (STX) stake by 4.7% in Q2 2026, selling an estimated $471K and leaving 12,476 shares worth $12M. The position accounts for 0.01% of the portfolio, ranked #438.

Boston Partners first reported a position in STX in Q2 2013 and has held it in 17 quarters since. The position peaked at $362M in Q4 2014. 1,958 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • Boston Partners held 12,476 shares of Seagate worth $12M as of Q2 2026.
  • Boston Partners sold 617 Seagate shares in Q2 2026, an estimated $471K.
  • Seagate made up 0.01% of Boston Partners's portfolio in Q2 2026, its #438 holding.
  • Boston Partners first reported a position in Seagate in Q2 2013 and has held it in 17 quarters since.
  • Boston Partners's Seagate position peaked at $362M in Q4 2014.
  • 1,958 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.