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TIA
Traphagen Investment Advisors’s
Costco
COST
Stock Holding History
Traphagen Investment Advisors’s Portfolio
COST Stock Details
COST Fund Activity
Bought
Maintained
Sold
Shares
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$1.89M
Buy
1,893
+59
+3%
+$57.5K
0.15%
56
2025
Q4
$1.58M
Buy
1,834
+25
+1%
+$22.7K
0.13%
62
2025
Q3
$1.67M
Sell
1,809
-22
-1%
-$21.1K
0.14%
53
2025
Q2
$1.81M
Sell
1,831
-94
-5%
-$93.4K
0.17%
47
2025
Q1
$1.82M
Buy
1,925
+381
+25%
+$371K
0.19%
47
2024
Q4
$1.42M
Buy
1,544
+25
+2%
+$23.2K
0.14%
52
2024
Q3
$1.35M
Sell
1,519
-91
-6%
-$79K
0.14%
55
2024
Q2
$1.37M
Sell
1,610
-35
-2%
-$27.3K
0.15%
55
2024
Q1
$1.21M
Buy
1,645
+168
+11%
+$120K
0.13%
60
2023
Q4
$975K
Buy
1,477
+70
+5%
+$41.5K
0.11%
59
2023
Q3
$795K
Buy
1,407
+800
+132%
+$442K
0.1%
63
2023
Q2
$327K
Sell
607
-76
-11%
-$38.5K
0.04%
114
2023
Q1
$340K
Buy
683
+42
+7%
+$20.6K
0.05%
112
2022
Q4
$293K
Buy
641
+1
+0.2%
+$489
0.05%
118
2022
Q3
$302K
Sell
640
-54
-8%
-$28.1K
0.06%
98
2022
Q2
$333K
Buy
694
+86
+14%
+$43.6K
0.06%
98
2022
Q1
$350K
Buy
608
+60
+11%
+$31.5K
0.06%
96
2021
Q4
$311K
Buy
+548
New
+$281K
0.05%
112
Other funds holding COST
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Invesco
Atlanta, Georgia
$1.02T AUM
30.18%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
Morgan Stanley
New York
$1.66T AUM
25.57%
1-Year Est. Return
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
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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