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PDT Partners’s Costco COST Stock Holding History

PDT Partners’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-2,000
Closed -$1.99M – 526
2026
Q1 		$1.99M Buy
+2,000
New +$1.95M 0.12% 242
2025
Q4 		– Sell
-3,900
Closed -$3.61M – 579
2025
Q3 		$3.61M Buy
+3,900
New +$3.74M 0.23% 156
2024
Q3 		– Sell
-500
Closed -$425K – 733
2024
Q2 		$425K Buy
+500
New +$390K 0.04% 501
2023
Q4 		– Sell
-400
Closed -$226K – 560
2023
Q3 		$226K Sell
400
-1,400
-78% -$773K 0.03% 508
2023
Q2 		$969K Sell
1,800
-2
-0.1% -$1.01K 0.13% 258
2023
Q1 		$895K Sell
1,802
-2,198
-55% -$1.08M 0.12% 289
2022
Q4 		$1.83M Sell
4,000
-1,400
-26% -$684K 0.3% 89
2022
Q3 		$2.55M Sell
5,400
-3,040
-36% -$1.58M 0.39% 38
2022
Q2 		$4.04M Buy
8,440
+1,340
+19% +$680K 0.36% 42
2022
Q1 		$4.09M Buy
+7,100
New +$3.73M 0.35% 49
2021
Q1 		– Sell
-900
Closed -$339K – 791
2020
Q4 		$339K Buy
+900
New +$336K 0.02% 521
2020
Q1 		– Sell
-30,000
Closed -$8.82M – 687
2019
Q4 		$8.82M Buy
+30,000
New +$8.92M 0.54% 67
2015
Q3 		– Sell
-82,903
Closed -$11.2M – 1313
2015
Q2 		$11.2M Buy
+82,903
New +$11.9M 0.29% 65
2014
Q3 		– Sell
-482,662
Closed -$55.6M – 1349
2014
Q2 		$55.6M Buy
482,662
+212,317
+79% +$24.4M 1.48% 2
2014
Q1 		$30.2M Buy
+270,345
New +$30.9M 0.73% 9
2013
Q4 		– Sell
-72,208
Closed -$8.31M – 721
2013
Q3 		$8.31M Sell
72,208
-190,336
-72% -$22M 0.23% 99
2013
Q2 		$29M Buy
+262,544
New +$28.7M 0.71% 7

Other funds holding COST

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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

PDT Partners's COST Position: Q2 2026 in Review

PDT Partners sold out of Costco (COST) in Q2 2026, closing a stake of 2,000 shares — an estimated $1.99M sold.

PDT Partners first reported a position in COST in Q2 2013 and held it in 17 quarters. The position peaked at $55.6M in Q2 2014. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • PDT Partners reported no remaining Costco position as of Q2 2026 after selling out during the quarter.
  • PDT Partners sold 2,000 Costco shares in Q2 2026, an estimated $1.99M.
  • PDT Partners first reported a position in Costco in Q2 2013 and held it in 17 quarters.
  • PDT Partners's Costco position peaked at $55.6M in Q2 2014.
  • 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

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