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Adelphi Trust’s Costco COST Stock Holding History

Adelphi Trust’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
Q3 		$1.04M Buy
1,142
+20
+2% +$18.7K 0.68% 33
2026
Q2 		$1.05M Buy
1,122
+97
+9% +$96.6K 0.7% 34
2026
Q1 		$1.02M Buy
1,025
+191
+23% +$186K 0.83% 31
2025
Q4 		$719K Buy
+834
New +$756K 0.59% 46

Other funds holding COST

NFGCM
Norman Fields Gottscho Capital Management New York $329M AUM 22.06% 1-Year Est. Return
VCM
Violich Capital Management San Francisco, California $927M AUM 28.93% 1-Year Est. Return
PNC
Park National Corp Newark, Ohio $3.69B AUM 18.32% 1-Year Est. Return
NRS
Neville Rodie & Shaw New York $1.48B AUM 34.49% 1-Year Est. Return
FWCM
Ferguson Wellman Capital Management Portland, Oregon $8.38B AUM 25.07% 1-Year Est. Return
EB
Eastern Bank Boston, Massachusetts $6.58B AUM 23.57% 1-Year Est. Return
MPWT
MassMutual Private Wealth & Trust Windsor, Connecticut $3.79B AUM 19.33% 1-Year Est. Return
TF
Tompkins Financial Ithaca, New York $1.42B AUM 19.14% 1-Year Est. Return
DC
Defender Capital Charlotte, North Carolina $319M AUM 12.55% 1-Year Est. Return
CA
CapWealth Advisors Franklin, Tennessee $1.32B AUM 21.6% 1-Year Est. Return

Adelphi Trust's COST Position: Q3 2026 in Review

Adelphi Trust increased its Costco (COST) stake by 1.8% in Q3 2026, buying an estimated $18.7K and bringing the position to 1,142 shares worth $1.04M. The position accounts for 0.68% of the portfolio, ranked #33.

Adelphi Trust first reported a position in COST in Q4 2025 and has held it in 4 quarters since. The position peaked at $1.05M in Q2 2026. 44 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Adelphi Trust held 1,142 shares of Costco worth $1.04M as of Q3 2026.
  • Adelphi Trust bought 20 Costco shares in Q3 2026, an estimated $18.7K.
  • Costco made up 0.68% of Adelphi Trust's portfolio in Q3 2026, its #33 holding.
  • Adelphi Trust first reported a position in Costco in Q4 2025 and has held it in 4 quarters since.
  • Adelphi Trust's Costco position peaked at $1.05M in Q2 2026.
  • 44 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Adelphi Trust's 13F filing for Q3 2026, filed 5 Oct 2026.