Tandem Wealth Advisors’s Costco COST Stock Holding History

Tandem Wealth 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 Q2	$1.32M	Buy	1,410 +80	+6%	+$79.7K	0.53%	24
2026 Q1	$1.33M	Buy	1,330 +20	+2%	+$19.5K	0.59%	17
2025 Q4	$1.13M	Buy	1,310 +223	+21%	+$202K	0.51%	20
2025 Q3	$1.01M	Buy	1,087 +144	+15%	+$138K	0.48%	18
2025 Q2	$934K	Buy	943 +180	+24%	+$179K	0.46%	23
2025 Q1	$722K	Sell	763 -149	-16%	-$145K	0.38%	22
2024 Q4	$836K	Buy	912 +28	+3%	+$26K	0.43%	23
2024 Q3	$784K	Buy	884 +65	+8%	+$56.4K	0.4%	21
2024 Q2	$696K	Hold	819	–	–	0.37%	20
2024 Q1	$600K	Sell	819 -71	-8%	-$50.7K	0.33%	20
2023 Q4	$587K	Sell	890 -23	-3%	-$13.6K	0.34%	20
2023 Q3	$516K	Sell	913 -9	-1%	-$4.97K	0.32%	21
2023 Q2	$496K	Buy	922 +48	+5%	+$24.3K	0.3%	21
2023 Q1	$434K	Hold	874	–	–	0.27%	22
2022 Q4	$399K	Buy	+874	New	+$427K	0.25%	28

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Tandem Wealth Advisors's COST Position: Q2 2026 in Review

Tandem Wealth Advisors increased its Costco (COST) stake by 6% in Q2 2026, buying an estimated $79.7K and bringing the position to 1,410 shares worth $1.32M. The position accounts for 0.53% of the portfolio, ranked #24.

Tandem Wealth Advisors first reported a position in COST in Q4 2022 and has held it in 15 quarters since. The position peaked at $1.33M in Q1 2026. 4,238 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Tandem Wealth Advisors held 1,410 shares of Costco worth $1.32M as of Q2 2026.
Tandem Wealth Advisors bought 80 Costco shares in Q2 2026, an estimated $79.7K.
Costco made up 0.53% of Tandem Wealth Advisors's portfolio in Q2 2026, its #24 holding.
Tandem Wealth Advisors first reported a position in Costco in Q4 2022 and has held it in 15 quarters since.
Tandem Wealth Advisors's Costco position peaked at $1.33M in Q1 2026.
4,238 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Tandem Wealth Advisors's 13F filing for Q2 2026, filed 13 Aug 2026.