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Birinyi Associates’s Costco COST Stock Holding History

Birinyi Associates’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 		$1.15M Hold
1,150
– – 0.31% 34
2025
Q4 		$992K Sell
1,150
-1,991
-63% -$1.8M 0.25% 36
2025
Q3 		$2.91M Sell
3,141
-40
-1% -$38.3K 0.74% 26
2025
Q2 		$3.15M Buy
3,181
+1,906
+149% +$1.89M 0.92% 22
2025
Q1 		$1.21M Sell
1,275
-3,500
-73% -$3.41M 0.39% 30
2024
Q4 		$4.38M Sell
4,775
-90
-2% -$83.5K 1.2% 18
2024
Q3 		$4.31M Buy
4,865
+3,590
+282% +$3.12M 1.24% 18
2024
Q2 		$1.08M Sell
1,275
-2,940
-70% -$2.29M 0.32% 36
2024
Q1 		$3.09M Buy
4,215
+75
+2% +$53.5K 1.01% 20
2023
Q4 		$2.73M Buy
+4,140
New +$2.45M 0.97% 20
2023
Q3 		– Sell
-1,375
Closed -$740K – 55
2023
Q2 		$740K Hold
1,375
– – 0.27% 40
2023
Q1 		$683K Sell
1,375
-800
-37% -$392K 0.28% 43
2022
Q4 		$993K Buy
2,175
+675
+45% +$330K 0.48% 31
2022
Q3 		$708K Hold
1,500
– – 0.33% 38
2022
Q2 		$719K Sell
1,500
-550
-27% -$279K 0.33% 36
2022
Q1 		$1.18M Sell
2,050
-200
-9% -$105K 0.41% 32
2021
Q4 		$1.28M Buy
2,250
+300
+15% +$154K 0.4% 36
2021
Q3 		$876K Hold
1,950
– – 0.29% 42
2021
Q2 		$772K Sell
1,950
-200
-9% -$75.6K 0.27% 42
2021
Q1 		$758K Sell
2,150
-700
-25% -$244K 0.29% 42
2020
Q4 		$1.07M Buy
2,850
+300
+12% +$112K 0.4% 33
2020
Q3 		$905K Sell
2,550
-700
-22% -$235K 0.38% 35
2020
Q2 		$985K Buy
3,250
+1,000
+44% +$304K 0.49% 33
2020
Q1 		$642K Sell
2,250
-1,300
-37% -$394K 0.35% 38
2019
Q4 		$1.04M Buy
3,550
+2,050
+137% +$609K 0.43% 39
2019
Q3 		$432K Hold
1,500
– – 0.19% 56
2019
Q2 		$396K Hold
1,500
– – 0.17% 61
2019
Q1 		$363K Sell
1,500
-300
-17% -$65.6K 0.16% 58
2018
Q4 		$367K Buy
1,800
+300
+20% +$67K 0.18% 53
2018
Q3 		$352K Hold
1,500
– – 0.13% 73
2018
Q2 		$313K Hold
1,500
– – 0.12% 78
2018
Q1 		$283K Sell
1,500
-200
-12% -$37.7K 0.12% 81
2017
Q4 		$316K Sell
1,700
-1,750
-51% -$302K 0.14% 80
2017
Q3 		$567K Sell
3,450
-7,550
-69% -$1.19M 0.27% 57
2017
Q2 		$1.76M Buy
11,000
+7,350
+201% +$1.27M 0.83% 25
2017
Q1 		$612K Buy
3,650
+1,800
+97% +$302K 0.3% 56
2016
Q4 		$296K Sell
1,850
-10,500
-85% -$1.6M 0.17% 76
2016
Q3 		$1.88M Buy
12,350
+2,050
+20% +$331K 1.02% 30
2016
Q2 		$1.62M Hold
10,300
– – 0.71% 32
2016
Q1 		$1.62M Buy
10,300
+950
+10% +$144K 0.72% 29
2015
Q4 		$1.51M Buy
9,350
+4,800
+105% +$759K 0.98% 22
2015
Q3 		$658K Buy
4,550
+700
+18% +$99.9K 0.29% 60
2015
Q2 		$520K Buy
3,850
+1,100
+40% +$158K 0.35% 54
2015
Q1 		$417K Buy
2,750
+100
+4% +$14.7K 0.28% 62
2014
Q4 		$364K Buy
2,650
+800
+43% +$109K 0.16% 66
2014
Q3 		$232K Buy
+1,850
New +$224K 0.11% 86
2014
Q2 		– Sell
-3,246
Closed -$363K – 90
2014
Q1 		$363K Sell
3,246
-364
-10% -$41.6K 0.18% 60
2013
Q4 		$430K Buy
3,610
+1,800
+99% +$215K 0.23% 52
2013
Q3 		$208K Buy
+1,810
New +$209K 0.12% 70

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 $147M AUM 25.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Birinyi Associates's COST Position: Q1 2026 in Review

Birinyi Associates held its Costco (COST) position steady in Q1 2026 at 1,150 shares worth $1.15M. The position accounts for 0.31% of the portfolio, ranked #34.

Birinyi Associates first reported a position in COST in Q3 2013 and has held it in 49 quarters since. The position peaked at $4.38M in Q4 2024. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Birinyi Associates held 1,150 shares of Costco worth $1.15M as of Q1 2026.
  • Birinyi Associates left its Costco share count unchanged in Q1 2026.
  • Costco made up 0.31% of Birinyi Associates's portfolio in Q1 2026, its #34 holding.
  • Birinyi Associates first reported a position in Costco in Q3 2013 and has held it in 49 quarters since.
  • Birinyi Associates's Costco position peaked at $4.38M in Q4 2024.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Birinyi Associates's 13F filing for Q1 2026, filed 4 May 2026.