Cornerstone Planning Group’s Costco COST Stock Holding History

Cornerstone Planning Group’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	$226K	Buy	223 +34	+18%	+$33.1K	0.03%	159
2025 Q4	$181K	Buy	189 +6	+3%	+$5.44K	0.03%	147
2025 Q3	$169K	Buy	183 +20	+12%	+$19.2K	0.03%	151
2025 Q2	$154K	Sell	163 -84	-34%	-$83.5K	0.03%	103
2025 Q1	$241K	Buy	247 +138	+127%	+$135K	0.06%	77
2024 Q4	$105K	Buy	109 +2	+2%	+$1.86K	0.03%	109
2024 Q3	$95.1K	Sell	107 -5	-4%	-$4.34K	0.03%	120
2024 Q2	$89.1K	Sell	112 -5	-4%	-$3.9K	0.03%	142
2024 Q1	$86.4K	Sell	117 -18	-13%	-$12.8K	0.03%	124
2023 Q4	$89.1K	Sell	135 -41	-23%	-$24.3K	0.03%	128
2023 Q3	$99.3K	Buy	176 +10	+6%	+$5.52K	0.04%	114
2023 Q2	$89.3K	Buy	+166	New	+$84K	0.04%	148
2022 Q4	$84K	Buy	+178	New	+$87K	0.04%	183

Other funds holding COST

BlackRock New York $5.72T 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

Cornerstone Planning Group's COST Position: Q1 2026 in Review

Cornerstone Planning Group increased its Costco (COST) stake by 18% in Q1 2026, buying an estimated $33.1K and bringing the position to 223 shares worth $226K. The position accounts for 0.03% of the portfolio, ranked #159.

Cornerstone Planning Group first reported a position in COST in Q4 2022 and has held it in 13 quarters since. The position peaked at $241K in Q1 2025. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Cornerstone Planning Group held 223 shares of Costco worth $226K as of Q1 2026.
Cornerstone Planning Group bought 34 Costco shares in Q1 2026, an estimated $33.1K.
Costco made up 0.03% of Cornerstone Planning Group's portfolio in Q1 2026, its #159 holding.
Cornerstone Planning Group first reported a position in Costco in Q4 2022 and has held it in 13 quarters since.
Cornerstone Planning Group's Costco position peaked at $241K in Q1 2025.
4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Cornerstone Planning Group's 13F filing for Q1 2026, filed 6 May 2026.