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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
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

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Sanders Capital
Sanders Capital West Palm Beach, Florida $83.9B AUM 37.89% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
DZ Bank
DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

PDT Partners's STX Position: Q4 2025 in Review

PDT Partners sold out of Seagate (STX) in Q4 2025, closing a stake of 54,482 shares — an estimated $12.9M sold.

PDT Partners first reported a position in STX in Q2 2013 and held it in 16 quarters. The position peaked at $34.2M in Q4 2017. 1,273 funds tracked by Wall St. Rank hold STX as of Q4 2025.

  • PDT Partners reported no remaining Seagate position as of Q4 2025 after selling out during the quarter.
  • PDT Partners sold 54,482 Seagate shares in Q4 2025, an estimated $12.9M.
  • PDT Partners first reported a position in Seagate in Q2 2013 and held it in 16 quarters.
  • PDT Partners's Seagate position peaked at $34.2M in Q4 2017.
  • 1,273 funds tracked by Wall St. Rank held Seagate as of Q4 2025.

Based on PDT Partners's 13F filing for Q4 2025, filed 17 Feb 2026.