PCM
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Polymer Capital Management’s Costco COST Stock Holding History

Polymer Capital Management’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 		$280K Sell
299
-631
-68% -$629K 0.04% 522
2026
Q1 		$927K Buy
930
+424
+84% +$413K 0.09% 225
2025
Q4 		$436K Buy
+506
New +$459K 0.05% 492
2025
Q1 		– Sell
-709
Closed -$650K – 515
2024
Q4 		$650K Buy
+709
New +$658K 0.18% 93

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 $3.38T AUM 44.17% 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

Polymer Capital Management's COST Position: Q2 2026 in Review

Polymer Capital Management reduced its Costco (COST) stake by 68% in Q2 2026, selling an estimated $629K and leaving 299 shares worth $280K. The position accounts for 0.04% of the portfolio, ranked #522.

Polymer Capital Management first reported a position in COST in Q4 2024 and has held it in 4 quarters since. The position peaked at $927K in Q1 2026. 4,260 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Polymer Capital Management held 299 shares of Costco worth $280K as of Q2 2026.
  • Polymer Capital Management sold 631 Costco shares in Q2 2026, an estimated $629K.
  • Costco made up 0.04% of Polymer Capital Management's portfolio in Q2 2026, its #522 holding.
  • Polymer Capital Management first reported a position in Costco in Q4 2024 and has held it in 4 quarters since.
  • Polymer Capital Management's Costco position peaked at $927K in Q1 2026.
  • 4,260 funds tracked by Wall St. Rank held Costco as of Q2 2026.

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