Rice Partnership’s Costco COST Stock Holding History

Rice Partnership’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	$11M	Sell	11,738 -139	-1%	-$138K	1.33%	23
2026 Q1	$11.8M	Sell	11,877 -146	-1%	-$142K	1.62%	19
2025 Q4	$10.4M	Buy	12,023 +188	+2%	+$170K	1.4%	19
2025 Q3	$11M	Sell	11,835 -1,405	-11%	-$1.35M	1.56%	20
2025 Q2	$13.1M	Buy	13,240 +236	+2%	+$235K	2.28%	16
2025 Q1	$12.3M	Sell	13,004 -219	-2%	-$214K	2.52%	12
2024 Q4	$12.1M	Buy	13,223 +633	+5%	+$587K	2.31%	14
2024 Q3	$11.2M	Buy	12,590 +211	+2%	+$183K	2.25%	14
2024 Q2	$10.5M	Buy	12,379 +260	+2%	+$203K	2.29%	14
2024 Q1	$8.88M	Buy	12,119 +1	+0%	+$714	2.09%	16
2023 Q4	$8M	Buy	12,118 +377	+3%	+$223K	2.09%	14
2023 Q3	$6.63M	Buy	11,741 +2,038	+21%	+$1.12M	1.88%	16
2023 Q2	$5.22M	Sell	9,703 -46	-0.5%	-$23.3K	1.43%	21
2023 Q1	$4.84M	Buy	9,749 +76	+0.8%	+$37.3K	1.45%	24
2022 Q4	$4.42M	Buy	9,673 +4,365	+82%	+$2.13M	1.39%	27
2022 Q3	$2.51M	Buy	5,308 +2,823	+114%	+$1.47M	0.8%	36
2022 Q2	$1.19M	Hold	2,485	–	–	0.42%	49
2022 Q1	$1.43M	Buy	2,485 +147	+6%	+$77.1K	0.41%	48
2021 Q4	$1.33M	Buy	2,338 +12	+0.5%	+$6.15K	0.38%	46
2021 Q3	$1.04M	Sell	2,326 -358	-13%	-$157K	0.33%	51
2021 Q2	$1.06M	Buy	2,684 +144	+6%	+$54.5K	0.33%	49
2021 Q1	$895K	Buy	2,540 +172	+7%	+$59.9K	0.32%	55
2020 Q4	$892K	Buy	2,368 +478	+25%	+$179K	0.33%	49
2020 Q3	$671K	Buy	1,890 +500	+36%	+$168K	0.29%	47
2020 Q2	$421K	Sell	1,390 -207	-13%	-$63K	0.22%	50
2020 Q1	$455K	Buy	1,597 +98	+7%	+$29.7K	0.31%	47
2019 Q4	$441K	Hold	1,499	–	–	0.24%	56
2019 Q3	$432K	Hold	1,499	–	–	0.27%	57
2019 Q2	$396K	Hold	1,499	–	–	0.27%	59
2019 Q1	$363K	Buy	1,499 +67	+5%	+$14.7K	0.26%	58
2018 Q4	$292K	Buy	1,432 +260	+22%	+$58.1K	0.26%	56
2018 Q3	$275K	Hold	1,172	–	–	0.17%	62
2018 Q2	$245K	Buy	1,172 +50	+4%	+$9.88K	0.16%	65
2018 Q1	$211K	Hold	1,122	–	–	0.14%	68
2017 Q4	$209K	Buy	+1,122	New	+$194K	0.15%	73

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

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

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

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

TWC

TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return

Rice Partnership's COST Position: Q2 2026 in Review

Rice Partnership reduced its Costco (COST) stake by 1.2% in Q2 2026, selling an estimated $138K and leaving 11,738 shares worth $11M. The position accounts for 1.33% of the portfolio, ranked #23.

Rice Partnership first reported a position in COST in Q4 2017 and has held it in 35 quarters since. The position peaked at $13.1M in Q2 2025. 1,853 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Rice Partnership held 11,738 shares of Costco worth $11M as of Q2 2026.
Rice Partnership sold 139 Costco shares in Q2 2026, an estimated $138K.
Costco made up 1.33% of Rice Partnership's portfolio in Q2 2026, its #23 holding.
Rice Partnership first reported a position in Costco in Q4 2017 and has held it in 35 quarters since.
Rice Partnership's Costco position peaked at $13.1M in Q2 2025.
1,853 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Rice Partnership's 13F filing for Q2 2026, filed 29 Jul 2026.