Thurston Springer Miller Herd & Titak’s Costco COST Stock Holding History

Thurston Springer Miller Herd & Titak’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	$1.7M	Buy	1,812 +156	+9%	+$155K	0.62%	31
2026 Q1	$1.65M	Sell	1,656 -414	-20%	-$403K	0.68%	24
2025 Q4	$1.79M	Buy	2,070 +1,592	+333%	+$1.44M	0.62%	29
2025 Q3	$442K	Sell	478 -4,974	-91%	-$4.77M	0.88%	13
2025 Q2	$5.4M	Buy	5,452 +478	+10%	+$475K	0.7%	25
2025 Q1	$4.71M	Buy	4,974 +874	+21%	+$852K	0.79%	23
2024 Q4	$3.76M	Buy	4,100 +1,371	+50%	+$1.27M	0.76%	18
2024 Q3	$2.42M	Sell	2,729 -72	-3%	-$62.5K	0.67%	23
2024 Q2	$2.38M	Buy	+2,801	New	+$2.19M	0.74%	15

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

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

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

KeyBank National Association Cleveland, Ohio $30.4B AUM 27.51% 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

Thurston Springer Miller Herd & Titak's COST Position: Q2 2026 in Review

Thurston Springer Miller Herd & Titak increased its Costco (COST) stake by 9.4% in Q2 2026, buying an estimated $155K and bringing the position to 1,812 shares worth $1.7M. The position accounts for 0.62% of the portfolio, ranked #31.

Thurston Springer Miller Herd & Titak first reported a position in COST in Q2 2024 and has held it in 9 quarters since. The position peaked at $5.4M in Q2 2025. 1,681 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Thurston Springer Miller Herd & Titak held 1,812 shares of Costco worth $1.7M as of Q2 2026.
Thurston Springer Miller Herd & Titak bought 156 Costco shares in Q2 2026, an estimated $155K.
Costco made up 0.62% of Thurston Springer Miller Herd & Titak's portfolio in Q2 2026, its #31 holding.
Thurston Springer Miller Herd & Titak first reported a position in Costco in Q2 2024 and has held it in 9 quarters since.
Thurston Springer Miller Herd & Titak's Costco position peaked at $5.4M in Q2 2025.
1,681 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Thurston Springer Miller Herd & Titak's 13F filing for Q2 2026, filed 8 Jul 2026.