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PDT Partners’s Seagate STX Stock Holding History

PDT 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 		$19.6M Buy
+20,300
New +$15.5M 1.03% 8
2025
Q4 		– Sell
-54,482
Closed -$12.9M – 645
2025
Q3 		$12.9M Buy
54,482
+44,673
+455% +$7.62M 0.81% 8
2025
Q2 		$1.42M Buy
+9,809
New +$1.02M 0.08% 363
2022
Q1 		– Sell
-7,330
Closed -$828K – 1104
2021
Q4 		$828K Buy
+7,330
New +$712K 0.06% 413
2019
Q4 		– Sell
-70,514
Closed -$3.79M – 757
2019
Q3 		$3.79M Buy
+70,514
New +$3.46M 0.23% 136
2018
Q3 		– Sell
-225,060
Closed -$12.7M – 536
2018
Q2 		$12.7M Sell
225,060
-106,064
-32% -$6.13M 0.48% 58
2018
Q1 		$19.4M Sell
331,124
-485,158
-59% -$25.8M 0.65% 42
2017
Q4 		$34.2M Buy
816,282
+782
+0.1% +$29.9K 0.99% 6
2017
Q3 		$27.1M Buy
+815,500
New +$27.7M 0.89% 6
2015
Q2 		– Sell
-23,512
Closed -$1.22M – 1624
2015
Q1 		$1.22M Buy
23,512
+7,500
+47% +$446K 0.03% 699
2014
Q4 		$1.06M Buy
16,012
+500
+3% +$31K 0.1% 232
2014
Q3 		$888K Buy
15,512
+5,100
+49% +$302K 0.02% 725
2014
Q2 		$592K Hold
10,412
– – 0.02% 902
2014
Q1 		$585K Hold
10,412
– – 0.01% 866
2013
Q4 		$585K Hold
10,412
– – 0.07% 354
2013
Q3 		$455K Sell
10,412
-109,801
-91% -$4.62M 0.01% 1080
2013
Q2 		$5.39M Buy
+120,213
New +$4.84M 0.13% 182

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

PDT Partners's STX Position: Q2 2026 in Review

PDT Partners opened a new position in Seagate (STX) in Q2 2026: 20,300 shares worth $19.6M. The stake represents 1.03% of the portfolio and ranks #8 among its holdings. This is a return to the name: PDT Partners previously reported a position in STX as recently as Q3 2025.

PDT Partners first reported a position in STX in Q2 2013 and has held it in 17 quarters since. The position peaked at $34.2M in Q4 2017. 1,958 funds tracked by Wall St. Rank hold STX as of Q2 2026.

  • PDT Partners held 20,300 shares of Seagate worth $19.6M as of Q2 2026.
  • Seagate was a new PDT Partners position in Q2 2026.
  • Seagate made up 1.03% of PDT Partners's portfolio in Q2 2026, its #8 holding.
  • PDT Partners first reported a position in Seagate in Q2 2013 and has held it in 17 quarters since.
  • PDT Partners's Seagate position peaked at $34.2M in Q4 2017.
  • 1,958 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on PDT Partners's 13F filing for Q2 2026, filed 14 Aug 2026.