American Asset Management’s Costco COST Stock Holding History

American Asset 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 Q2	$208K	Buy	+222	New	+$221K	0.17%	32
2023 Q3	–	Sell	-550	Closed	-$296K	–	9
2023 Q2	$296K	Hold	550	–	–	0.31%	11
2023 Q1	$273K	Hold	550	–	–	0.29%	11
2022 Q4	$251K	Buy	+550	New	+$269K	0.29%	9
2020 Q1	–	Sell	-1,794	Closed	-$527K	–	27
2019 Q4	$527K	Sell	1,794 -1	-0.1%	-$297	0.34%	47
2019 Q3	$517K	Buy	1,795 +100	+6%	+$28.1K	0.36%	43
2019 Q2	$448K	Sell	1,695 -64	-4%	-$15.9K	0.31%	53
2019 Q1	$426K	Buy	1,759 +6	+0.3%	+$1.31K	0.32%	55
2018 Q4	$357K	Hold	1,753	–	–	0.26%	53
2018 Q3	$412K	Hold	1,753	–	–	0.36%	54
2018 Q2	$366K	Hold	1,753	–	–	0.24%	57
2018 Q1	$330K	Buy	1,753 +2	+0.1%	+$377	0.29%	56
2017 Q4	$326K	Buy	1,751 +1	+0.1%	+$173	0.2%	55
2017 Q3	$288K	Sell	1,750 -184	-10%	-$28.9K	0.18%	60
2017 Q2	$309K	Buy	1,934 +451	+30%	+$77.7K	0.17%	54
2017 Q1	$249K	Buy	1,483 +100	+7%	+$16.8K	0.16%	64
2016 Q4	$221K	Hold	1,383	–	–	0.24%	70
2016 Q3	$211K	Buy	+1,383	New	+$223K	0.12%	64
2015 Q4	–	Sell	-200	Closed	-$29K	–	24
2015 Q3	$29K	Buy	+200	New	+$28.5K	0.02%	52
2014 Q4	–	Sell	-200	Closed	-$25K	–	21
2014 Q3	$25K	Buy	+200	New	+$24.2K	0.01%	35

Other funds holding COST

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return

Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return

Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return

Sarasin & Partners London, United Kingdom $8.54B AUM 9.6% 1-Year Est. Return

CAM

Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

American Asset Management's COST Position: Q2 2026 in Review

American Asset Management opened a new position in Costco (COST) in Q2 2026: 222 shares worth $208K. The stake represents 0.17% of the portfolio and ranks #32 among its holdings. This is a return to the name: American Asset Management previously reported a position in COST as recently as Q2 2023.

American Asset Management first reported a position in COST in Q3 2014 and has held it in 20 quarters since. The position peaked at $527K in Q4 2019. 1,227 funds tracked by Wall St. Rank hold COST as of Q2 2026.

American Asset Management held 222 shares of Costco worth $208K as of Q2 2026.
Costco was a new American Asset Management position in Q2 2026.
Costco made up 0.17% of American Asset Management's portfolio in Q2 2026, its #32 holding.
American Asset Management first reported a position in Costco in Q3 2014 and has held it in 20 quarters since.
American Asset Management's Costco position peaked at $527K in Q4 2019.
1,227 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on American Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.