GHA
COST icon

Granite Harbor Advisors’s Costco COST Stock Holding History

Granite Harbor Advisors’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
Q1 		$663K Buy
665
+39
+6% +$38K 0.29% 68
2025
Q4 		$540K Buy
626
+12
+2% +$10.9K 0.23% 74
2025
Q3 		$568K Buy
614
+40
+7% +$38.3K 0.24% 73
2025
Q2 		$568K Buy
574
+59
+11% +$58.6K 0.27% 67
2025
Q1 		$487K Buy
515
+156
+43% +$152K 0.26% 64
2024
Q4 		$329K Hold
359
– – 0.18% 70
2024
Q3 		$318K Buy
359
+69
+24% +$59.9K 0.18% 73
2024
Q2 		$246K Hold
290
– – 0.16% 72
2024
Q1 		$212K Buy
+290
New +$207K 0.14% 77

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $147M AUM 25.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Granite Harbor Advisors's COST Position: Q1 2026 in Review

Granite Harbor Advisors increased its Costco (COST) stake by 6.2% in Q1 2026, buying an estimated $38K and bringing the position to 665 shares worth $663K. The position accounts for 0.29% of the portfolio, ranked #68.

Granite Harbor Advisors first reported a position in COST in Q1 2024 and has held it in 9 quarters since. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Granite Harbor Advisors held 665 shares of Costco worth $663K as of Q1 2026.
  • Granite Harbor Advisors bought 39 Costco shares in Q1 2026, an estimated $38K.
  • Costco made up 0.29% of Granite Harbor Advisors's portfolio in Q1 2026, its #68 holding.
  • Granite Harbor Advisors first reported a position in Costco in Q1 2024 and has held it in 9 quarters since.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Granite Harbor Advisors's 13F filing for Q1 2026, filed 23 Apr 2026.