Excalibur Management’s Costco COST Stock Holding History

Excalibur Management’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	$1.6M	Buy	1,603 +57	+4%	+$55.5K	0.57%	49
2025 Q4	$1.33M	Buy	1,546 +6	+0.4%	+$5.44K	0.48%	59
2025 Q3	$1.43M	Buy	1,540 +7	+0.5%	+$6.71K	0.52%	56
2025 Q2	$1.52M	Hold	1,533	–	–	0.57%	49
2025 Q1	$1.45M	Buy	1,533 +2	+0.1%	+$1.95K	0.57%	49
2024 Q4	$1.4M	Buy	1,531 +99	+7%	+$91.9K	0.56%	50
2024 Q3	$1.27M	Hold	1,432	–	–	0.48%	60
2024 Q2	$1.22M	Hold	1,432	–	–	0.5%	57
2024 Q1	$1.05M	Hold	1,432	–	–	0.44%	62
2023 Q4	$954K	Hold	1,432	–	–	0.45%	62
2023 Q3	$809K	Hold	1,432	–	–	0.42%	67
2023 Q2	$771K	Buy	1,432 +1	+0.1%	+$506	0.39%	70
2023 Q1	$711K	Buy	1,431 +5	+0.4%	+$2.45K	0.37%	71
2022 Q4	$651K	Hold	1,426	–	–	0.34%	73
2022 Q3	$673K	Buy	1,426 +89	+7%	+$46.3K	0.38%	74
2022 Q2	$641K	Hold	1,337	–	–	0.33%	74
2022 Q1	$770K	Buy	1,337 +196	+17%	+$103K	0.33%	76
2021 Q4	$648K	Buy	1,141 +68	+6%	+$34.8K	0.26%	88
2021 Q3	$482K	Buy	1,073 +7	+0.7%	+$3.08K	0.21%	99
2021 Q2	$422K	Buy	1,066 +6	+0.6%	+$2.27K	0.19%	107
2021 Q1	$374K	Hold	1,060	–	–	0.18%	105
2020 Q4	$399K	Hold	1,060	–	–	0.21%	97
2020 Q3	$376K	Hold	1,060	–	–	0.23%	88
2020 Q2	$321K	Buy	1,060 +175	+20%	+$53.2K	0.21%	82
2020 Q1	$252K	Hold	885	–	–	0.19%	92
2019 Q4	$260K	Buy	885 +160	+22%	+$47.6K	0.17%	96
2019 Q3	$209K	Buy	+725	New	+$204K	0.19%	60

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

Excalibur Management's COST Position: Q1 2026 in Review

Excalibur Management increased its Costco (COST) stake by 3.7% in Q1 2026, buying an estimated $55.5K and bringing the position to 1,603 shares worth $1.6M. The position accounts for 0.57% of the portfolio, ranked #49.

Excalibur Management first reported a position in COST in Q3 2019 and has held it in 27 quarters since. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Excalibur Management held 1,603 shares of Costco worth $1.6M as of Q1 2026.
Excalibur Management bought 57 Costco shares in Q1 2026, an estimated $55.5K.
Costco made up 0.57% of Excalibur Management's portfolio in Q1 2026, its #49 holding.
Excalibur Management first reported a position in Costco in Q3 2019 and has held it in 27 quarters since.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Excalibur Management's 13F filing for Q1 2026, filed 5 May 2026.