Patten Group’s Costco COST Stock Holding History

Patten Group’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	$230K	Buy	+246	New	+$245K	0.04%	313
2019 Q1	–	Sell	-207	Closed	-$42K	–	260
2018 Q4	$42K	Buy	207 +57	+38%	+$12.7K	0.02%	302
2018 Q3	$35K	Hold	150	–	–	0.01%	363
2018 Q2	$31K	Hold	150	–	–	0.01%	368
2018 Q1	$28K	Hold	150	–	–	0.01%	372
2017 Q4	$28K	Hold	150	–	–	0.01%	395
2017 Q3	$25K	Hold	150	–	–	0.01%	397
2017 Q2	$23K	Hold	150	–	–	0.01%	413
2017 Q1	$26K	Sell	150 -430	-74%	-$72.1K	0.01%	376
2016 Q4	$94K	Sell	580 -850	-59%	-$130K	0.04%	250
2016 Q3	$215K	Sell	1,430 -1,770	-55%	-$286K	0.1%	170
2016 Q2	$503K	Hold	3,200	–	–	0.24%	101
2016 Q1	$504K	Sell	3,200 -195	-6%	-$29.6K	0.24%	97
2015 Q4	$548K	Hold	3,395	–	–	0.26%	90
2015 Q3	$491K	Hold	3,395	–	–	0.25%	97
2015 Q2	$459K	Hold	3,395	–	–	0.22%	100
2015 Q1	$514K	Sell	3,395 -25	-0.7%	-$3.67K	0.26%	99
2014 Q4	$485K	Buy	+3,420	New	+$465K	0.24%	105

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Patten Group's COST Position: Q2 2026 in Review

Patten Group opened a new position in Costco (COST) in Q2 2026: 246 shares worth $230K. The stake represents 0.04% of the portfolio and ranks #313 among its holdings. This is a return to the name: Patten Group previously reported a position in COST as recently as Q4 2018.

Patten Group first reported a position in COST in Q4 2014 and has held it in 18 quarters since. The position peaked at $548K in Q4 2015. 4,251 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Patten Group held 246 shares of Costco worth $230K as of Q2 2026.
Costco was a new Patten Group position in Q2 2026.
Costco made up 0.04% of Patten Group's portfolio in Q2 2026, its #313 holding.
Patten Group first reported a position in Costco in Q4 2014 and has held it in 18 quarters since.
Patten Group's Costco position peaked at $548K in Q4 2015.
4,251 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Patten Group's 13F filing for Q2 2026, filed 6 Aug 2026.