Syntax Research’s Costco COST Stock Holding History

Syntax Research’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	$367K	Hold	392	–	–	0.27%	46
2026 Q1	$391K	Hold	392	–	–	0.25%	59
2025 Q4	$338K	Hold	392	–	–	0.21%	60
2025 Q3	$363K	Hold	392	–	–	0.23%	61
2025 Q2	$388K	Hold	392	–	–	0.28%	54
2025 Q1	$371K	Hold	392	–	–	0.26%	59
2024 Q4	$359K	Hold	392	–	–	0.26%	55
2024 Q3	$348K	Hold	392	–	–	0.23%	53
2024 Q2	$333K	Hold	392	–	–	0.26%	47
2024 Q1	$287K	Hold	392	–	–	0.22%	54
2023 Q4	$259K	Hold	392	–	–	0.22%	54
2023 Q3	$221K	Buy	+392	New	+$216K	0.18%	56

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

Syntax Research's COST Position: Q2 2026 in Review

Syntax Research held its Costco (COST) position steady in Q2 2026 at 392 shares worth $367K. The position accounts for 0.27% of the portfolio, ranked #46.

Syntax Research first reported a position in COST in Q3 2023 and has held it in 12 quarters since. The position peaked at $391K in Q1 2026. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Syntax Research held 392 shares of Costco worth $367K as of Q2 2026.
Syntax Research left its Costco share count unchanged in Q2 2026.
Costco made up 0.27% of Syntax Research's portfolio in Q2 2026, its #46 holding.
Syntax Research first reported a position in Costco in Q3 2023 and has held it in 12 quarters since.
Syntax Research's Costco position peaked at $391K in Q1 2026.
4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Syntax Research's 13F filing for Q2 2026, filed 31 Jul 2026.