HI
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Harbour Investments’s Costco COST Stock Holding History

Harbour Investments’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 		$16.6M Buy
16,708
+4,329
+35% +$4.22M 0.26% 77
2025
Q4 		$10.7M Buy
12,379
+1,922
+18% +$1.74M 0.22% 90
2025
Q3 		$9.68M Buy
10,457
+76
+0.7% +$72.8K 0.22% 85
2025
Q2 		$10.3M Sell
10,381
-110
-1% -$109K 0.26% 69
2025
Q1 		$9.92M Buy
10,491
+354
+3% +$345K 0.28% 68
2024
Q4 		$9.29M Buy
10,137
+520
+5% +$482K 0.27% 63
2024
Q3 		$8.53M Buy
9,617
+481
+5% +$417K 0.26% 66
2024
Q2 		$7.77M Buy
9,136
+258
+3% +$201K 0.26% 68
2024
Q1 		$6.5M Buy
8,878
+529
+6% +$378K 0.23% 80
2023
Q4 		$5.51M Buy
8,349
+771
+10% +$457K 0.23% 77
2023
Q3 		$4.28M Buy
7,578
+103
+1% +$56.9K 0.21% 89
2023
Q2 		$4.02M Buy
7,475
+32
+0.4% +$16.2K 0.2% 92
2023
Q1 		$3.7M Buy
7,443
+231
+3% +$113K 0.2% 90
2022
Q4 		$3.29M Buy
7,212
+901
+14% +$440K 0.2% 88
2022
Q3 		$3.02M Hold
6,311
– – 0.2% 93
2022
Q2 		$3.02M Buy
+6,311
New +$3.2M 0.2% 93
2021
Q4 		$4.45M Sell
7,844
-2,033
-21% -$1.04M 0.27% 68
2021
Q3 		$4.44M Buy
9,877
+21
+0.2% +$9.23K 0.14% 130
2021
Q2 		$3.9M Buy
9,856
+2,551
+35% +$965K 0.12% 152
2021
Q1 		$2.58M Buy
+7,305
New +$2.54M 0.09% 200

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 $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Harbour Investments's COST Position: Q1 2026 in Review

Harbour Investments increased its Costco (COST) stake by 35% in Q1 2026, buying an estimated $4.22M and bringing the position to 16,708 shares worth $16.6M. The position accounts for 0.26% of the portfolio, ranked #77.

Harbour Investments first reported a position in COST in Q1 2021 and has held it in 20 quarters since. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Harbour Investments held 16,708 shares of Costco worth $16.6M as of Q1 2026.
  • Harbour Investments bought 4,329 Costco shares in Q1 2026, an estimated $4.22M.
  • Costco made up 0.26% of Harbour Investments's portfolio in Q1 2026, its #77 holding.
  • Harbour Investments first reported a position in Costco in Q1 2021 and has held it in 20 quarters since.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Harbour Investments's 13F filing for Q1 2026, filed 15 May 2026.