BDF
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Black Diamond Financial’s Costco COST Stock Holding History

Black Diamond Financial’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 		$817K Sell
820
-3
-0.4% -$2.92K 0.09% 84
2025
Q4 		$710K Buy
823
+172
+26% +$156K 0.07% 81
2025
Q3 		$603K Buy
651
+149
+30% +$143K 0.07% 91
2025
Q2 		$497K Sell
502
-27
-5% -$26.8K 0.08% 85
2025
Q1 		$501K Buy
529
+7
+1% +$6.83K 0.08% 88
2024
Q4 		$478K Sell
522
-70
-12% -$65K 0.07% 91
2024
Q3 		$525K Buy
592
+35
+6% +$30.4K 0.09% 78
2024
Q2 		$474K Buy
557
+194
+53% +$151K 0.09% 87
2024
Q1 		$240K Hold
363
– – 0.06% 96
2023
Q4 		$240K Buy
363
+2
+0.6% +$1.19K 0.06% 96
2023
Q3 		$204K Buy
+361
New +$199K 0.06% 105
2022
Q2 		– Sell
-403
Closed -$232K – 119
2022
Q1 		$232K Buy
+403
New +$211K 0.07% 112

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

Black Diamond Financial's COST Position: Q1 2026 in Review

Black Diamond Financial reduced its Costco (COST) stake by 0.36% in Q1 2026, selling an estimated $2.92K and leaving 820 shares worth $817K. The position accounts for 0.09% of the portfolio, ranked #84.

Black Diamond Financial first reported a position in COST in Q1 2022 and has held it in 12 quarters since. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Black Diamond Financial held 820 shares of Costco worth $817K as of Q1 2026.
  • Black Diamond Financial sold 3 Costco shares in Q1 2026, an estimated $2.92K.
  • Costco made up 0.09% of Black Diamond Financial's portfolio in Q1 2026, its #84 holding.
  • Black Diamond Financial first reported a position in Costco in Q1 2022 and has held it in 12 quarters since.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Black Diamond Financial's 13F filing for Q1 2026, filed 5 May 2026.