Elm Partners Management’s Costco COST Stock Holding History

Elm Partners 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	$1.26M	Buy	1,351 +2	+0.1%	+$1.99K	0.05%	72
2026 Q1	$1.34M	Buy	1,349 +195	+17%	+$190K	0.06%	65
2025 Q4	$995K	Buy	1,154 +115	+11%	+$104K	0.05%	74
2025 Q3	$962K	Buy	1,039 +146	+16%	+$140K	0.05%	74
2025 Q2	$884K	Buy	+893	New	+$888K	0.05%	60

Other funds holding COST

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

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

Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return

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

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

PTC

Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return

Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

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

Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return

Elm Partners Management's COST Position: Q2 2026 in Review

Elm Partners Management increased its Costco (COST) stake by 0.15% in Q2 2026, buying an estimated $1.99K and bringing the position to 1,351 shares worth $1.26M. The position accounts for 0.05% of the portfolio, ranked #72.

Elm Partners Management first reported a position in COST in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.34M in Q1 2026. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Elm Partners Management held 1,351 shares of Costco worth $1.26M as of Q2 2026.
Elm Partners Management bought 2 Costco shares in Q2 2026, an estimated $1.99K.
Costco made up 0.05% of Elm Partners Management's portfolio in Q2 2026, its #72 holding.
Elm Partners Management first reported a position in Costco in Q2 2025 and has held it in 5 quarters since.
Elm Partners Management's Costco position peaked at $1.34M in Q1 2026.
2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Elm Partners Management's 13F filing for Q2 2026, filed 28 Jul 2026.