Portland Global Advisors’s Costco COST Stock Holding History

Portland Global 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 Q1	$388K	Hold	389	–	–	0.04%	107
2025 Q4	$335K	Buy	389 +25	+7%	+$22.7K	0.04%	114
2025 Q3	$337K	Hold	364	–	–	0.04%	113
2025 Q2	$360K	Buy	364 +63	+21%	+$62.6K	0.04%	108
2025 Q1	$285K	Sell	301 -127	-30%	-$124K	0.04%	111
2024 Q4	$392K	Buy	428 +1	+0.2%	+$928	0.05%	103
2024 Q3	$379K	Hold	427	–	–	0.05%	107
2024 Q2	$363K	Sell	427 -17	-4%	-$13.3K	0.05%	107
2024 Q1	$325K	Hold	444	–	–	0.04%	109
2023 Q4	$293K	Hold	444	–	–	0.04%	107
2023 Q3	$251K	Hold	444	–	–	0.04%	112
2023 Q2	$239K	Sell	444 -15	-3%	-$7.59K	0.04%	118
2023 Q1	$228K	Hold	459	–	–	0.04%	127
2022 Q4	$210K	Hold	459	–	–	0.04%	132
2022 Q3	$217K	Hold	459	–	–	0.04%	128
2022 Q2	$220K	Hold	459	–	–	0.04%	128
2022 Q1	$264K	Hold	459	–	–	0.05%	132
2021 Q4	$261K	Sell	459 -39	-8%	-$20K	0.04%	142
2021 Q3	$224K	Buy	+498	New	+$219K	0.04%	148
2015 Q2	–	Sell	-1,373	Closed	-$208K	–	104
2015 Q1	$208K	Buy	+1,373	New	+$201K	0.11%	106

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

Portland Global Advisors's COST Position: Q1 2026 in Review

Portland Global Advisors held its Costco (COST) position steady in Q1 2026 at 389 shares worth $388K. The position accounts for 0.04% of the portfolio, ranked #107.

Portland Global Advisors first reported a position in COST in Q1 2015 and has held it in 20 quarters since. The position peaked at $392K in Q4 2024. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Portland Global Advisors held 389 shares of Costco worth $388K as of Q1 2026.
Portland Global Advisors left its Costco share count unchanged in Q1 2026.
Costco made up 0.04% of Portland Global Advisors's portfolio in Q1 2026, its #107 holding.
Portland Global Advisors first reported a position in Costco in Q1 2015 and has held it in 20 quarters since.
Portland Global Advisors's Costco position peaked at $392K in Q4 2024.
4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Portland Global Advisors's 13F filing for Q1 2026, filed 11 May 2026.