Twin Tree Management
COST icon

Twin Tree Management’s Costco COST Stock Holding History

Twin Tree Management’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 		$19.7M Buy
+19,800
New +$19.3M 0.42% 28
2025
Q4 		– Sell
-20,400
Closed -$18.9M – 1458
2025
Q3 		$18.9M Sell
20,400
-118,800
-85% -$114M 0.08% 303
2025
Q2 		$138M Sell
139,200
-3,800
-3% -$3.78M 0.26% 56
2025
Q1 		$135M Sell
143,000
-152,600
-52% -$149M 0.25% 49
2024
Q4 		$271M Buy
295,600
+231,200
+359% +$215M 0.49% 29
2024
Q3 		$57.1M Buy
64,400
+16,900
+36% +$14.7M 0.11% 143
2024
Q2 		$40.4M Sell
47,500
-9,600
-17% -$7.49M 0.09% 204
2024
Q1 		$41.8M Sell
57,100
-142,100
-71% -$101M 0.09% 214
2023
Q4 		$131M Buy
+199,200
New +$118M 0.25% 70
2023
Q3 		– Sell
-256,500
Closed -$138M – 1263
2023
Q2 		$138M Buy
256,500
+108,900
+74% +$55.1M 0.21% 76
2023
Q1 		$73.3M Sell
147,600
-158,500
-52% -$77.7M 0.14% 112
2022
Q4 		$140M Sell
306,100
-492,900
-62% -$241M 0.3% 44
2022
Q3 		$377M Buy
799,000
+273,100
+52% +$142M 0.72% 15
2022
Q2 		$252M Buy
525,900
+459,100
+687% +$233M 0.4% 20
2022
Q1 		$38.5M Buy
66,800
+21,900
+49% +$11.5M 0.06% 265
2021
Q4 		$25.5M Sell
44,900
-6,400
-12% -$3.28M 0.05% 340
2021
Q3 		$23.1M Buy
51,300
+16,300
+47% +$7.17M 0.05% 331
2021
Q2 		$13.8M Sell
35,000
-200
-0.6% -$75.6K 0.04% 421
2021
Q1 		$12.4M Buy
+35,200
New +$12.3M 0.05% 395
2020
Q3 		– Sell
-45,800
Closed -$13.9M – 1279
2020
Q2 		$13.9M Sell
45,800
-70,200
-61% -$21.4M 0.06% 371
2020
Q1 		$33.1M Buy
+116,000
New +$35.2M 0.16% 115
2019
Q4 		– Sell
-3,500
Closed -$1.01M – 1258
2019
Q3 		$1.01M Sell
3,500
-90,200
-96% -$25.4M ﹤0.01% 828
2019
Q2 		$24.8M Buy
93,700
+57,100
+156% +$14.2M 0.12% 150
2019
Q1 		$8.86M Hold
36,600
– – 0.05% 323
2018
Q4 		$7.46M Buy
+36,600
New +$8.17M 0.05% 395
2018
Q3 		– Sell
-128,700
Closed -$26.9M – 1082
2018
Q2 		$26.9M Buy
128,700
+38,800
+43% +$7.66M 0.17% 110
2018
Q1 		$16.9M Sell
89,900
-176,300
-66% -$33.3M 0.14% 126
2017
Q4 		$49.5M Buy
266,200
+118,800
+81% +$20.5M 0.37% 43
2017
Q3 		$24.2M Buy
147,400
+55,300
+60% +$8.69M 0.19% 103
2017
Q2 		$14.7M Buy
+92,100
New +$15.9M 0.12% 173
2017
Q1 		– Sell
-44,600
Closed -$7.14M – 1049
2016
Q4 		$7.14M Sell
44,600
-6,700
-13% -$1.02M 0.07% 311
2016
Q3 		$7.82M Sell
51,300
-16,700
-25% -$2.7M 0.1% 196
2016
Q2 		$10.7M Buy
68,000
+45,200
+198% +$6.84M 0.17% 130
2016
Q1 		$3.59M Buy
22,800
+13,200
+138% +$2M 0.07% 296
2015
Q4 		$1.55M Buy
9,600
+1,000
+12% +$158K 0.03% 495
2015
Q3 		$1.24M Sell
8,600
-1,500
-15% -$214K 0.03% 472
2015
Q2 		$1.36M Sell
10,100
-35,000
-78% -$5.03M 0.03% 529
2015
Q1 		$6.83M Buy
45,100
+37,500
+493% +$5.5M 0.17% 116
2014
Q4 		$1.08M Sell
7,600
-68,900
-90% -$9.37M 0.03% 567
2014
Q3 		$9.59M Sell
76,500
-32,900
-30% -$3.98M 0.25% 66
2014
Q2 		$12.6M Buy
109,400
+41,700
+62% +$4.78M 0.28% 50
2014
Q1 		$7.56M Buy
67,700
+47,200
+230% +$5.4M 0.15% 147
2013
Q4 		$2.44M Sell
20,500
-50,100
-71% -$5.99M 0.06% 351
2013
Q3 		$8.13M Buy
70,600
+52,300
+286% +$6.04M 0.27% 47
2013
Q2 		$2.02M Buy
+18,300
New +$2M 0.08% 300

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

Twin Tree Management's COST Position: Q1 2026 in Review

Twin Tree Management opened a new position in Costco (COST) in Q1 2026: 2,283 shares worth $2.27M. The stake represents 0.05% of the portfolio and ranks #431 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in COST as recently as Q3 2025.

Twin Tree Management first reported a position in COST in Q3 2013 and has held it in 36 quarters since. The position peaked at $61.8M in Q4 2024. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Twin Tree Management held 2,283 shares of Costco worth $2.27M as of Q1 2026.
  • Costco was a new Twin Tree Management position in Q1 2026.
  • Costco made up 0.05% of Twin Tree Management's portfolio in Q1 2026, its #431 holding.
  • Twin Tree Management first reported a position in Costco in Q3 2013 and has held it in 36 quarters since.
  • Twin Tree Management's Costco position peaked at $61.8M in Q4 2024.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.