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Tandem Financial’s Costco COST Stock Holding History

Tandem Financial’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
Q1 		$259K Buy
260
+40
+18% +$39K 0.08% 90
2025
Q4 		$202K Sell
220
-37
-14% -$33.5K 0.24% 49
2025
Q3 		$238K Buy
257
+39
+18% +$37.4K 0.09% 81
2025
Q2 		$216K Hold
218
– – 0.2% 47
2025
Q1 		$206K Sell
218
-2
-0.9% -$1.95K 0.22% 49
2024
Q4 		$202K Buy
+220
New +$204K 0.21% 53

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Tandem Financial's COST Position: Q1 2026 in Review

Tandem Financial increased its Costco (COST) stake by 18% in Q1 2026, buying an estimated $39K and bringing the position to 260 shares worth $259K. The position accounts for 0.08% of the portfolio, ranked #90.

Tandem Financial first reported a position in COST in Q4 2024 and has held it in 6 quarters since. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Tandem Financial held 260 shares of Costco worth $259K as of Q1 2026.
  • Tandem Financial bought 40 Costco shares in Q1 2026, an estimated $39K.
  • Costco made up 0.08% of Tandem Financial's portfolio in Q1 2026, its #90 holding.
  • Tandem Financial first reported a position in Costco in Q4 2024 and has held it in 6 quarters since.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Tandem Financial's 13F filing for Q1 2026, filed 8 May 2026.