Alyeska Investment Group
COST icon

Alyeska Investment Group’s Costco COST Stock Holding History

Alyeska Investment Group’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
2025
Q3 		– Sell
-3,664
Closed -$3.63M – 612
2025
Q2 		$3.63M Buy
+3,664
New +$3.64M 0.01% 445
2023
Q4 		– Sell
-82,298
Closed -$46.5M – 539
2023
Q3 		$46.5M Buy
+82,298
New +$45.4M 0.32% 110
2023
Q2 		– Sell
-20,628
Closed -$10.2M – 561
2023
Q1 		$10.2M Sell
20,628
-57,438
-74% -$28.2M 0.09% 243
2022
Q4 		$35.6M Sell
78,066
-61,607
-44% -$30.1M 0.37% 88
2022
Q3 		$66M Buy
139,673
+120,630
+633% +$62.7M 0.77% 28
2022
Q2 		$9.13M Sell
19,043
-187,964
-91% -$95.4M 0.1% 224
2022
Q1 		$119M Buy
207,007
+150,484
+266% +$79M 1.31% 5
2021
Q4 		$32.1M Sell
56,523
-48,238
-46% -$24.7M 0.37% 94
2021
Q3 		$47.1M Sell
104,761
-129,327
-55% -$56.9M 0.58% 39
2021
Q2 		$92.6M Buy
234,088
+171,888
+276% +$65M 1.07% 8
2021
Q1 		$21.9M Buy
+62,200
New +$21.7M 0.28% 106
2020
Q4 		– Sell
-69,879
Closed -$24.8M – 523
2020
Q3 		$24.8M Buy
+69,879
New +$23.5M 0.38% 83
2019
Q4 		– Sell
-16,507
Closed -$4.76M – 420
2019
Q3 		$4.76M Sell
16,507
-98,922
-86% -$27.8M 0.07% 233
2019
Q2 		$30.5M Sell
115,429
-120,016
-51% -$29.9M 0.39% 85
2019
Q1 		$57M Sell
235,445
-34,907
-13% -$7.63M 0.75% 36
2018
Q4 		$55.1M Buy
270,352
+258,276
+2,139% +$57.7M 0.8% 29
2018
Q3 		$2.84M Sell
12,076
-492,066
-98% -$111M 0.03% 277
2018
Q2 		$105M Buy
504,142
+75,062
+17% +$14.8M 0.94% 20
2018
Q1 		$80.9M Buy
+429,080
New +$81M 0.67% 47
2017
Q2 		– Sell
-628,592
Closed -$105M – 466
2017
Q1 		$105M Buy
628,592
+40,395
+7% +$6.77M 0.86% 20
2016
Q4 		$94.2M Buy
+588,197
New +$89.8M 0.78% 23
2016
Q1 		– Sell
-109,500
Closed -$17.7M – 399
2015
Q4 		$17.7M Buy
+109,500
New +$17.3M 0.19% 164

Other funds holding COST

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Alyeska Investment Group's COST Position: Q3 2025 in Review

Alyeska Investment Group sold out of Costco (COST) in Q3 2025, closing a stake of 3,664 shares — an estimated $3.63M sold.

Alyeska Investment Group first reported a position in COST in Q4 2015 and held it in 22 quarters. The position peaked at $119M in Q1 2022. 3,932 funds tracked by Wall St. Rank hold COST as of Q3 2025.

  • Alyeska Investment Group reported no remaining Costco position as of Q3 2025 after selling out during the quarter.
  • Alyeska Investment Group sold 3,664 Costco shares in Q3 2025, an estimated $3.63M.
  • Alyeska Investment Group first reported a position in Costco in Q4 2015 and held it in 22 quarters.
  • Alyeska Investment Group's Costco position peaked at $119M in Q1 2022.
  • 3,932 funds tracked by Wall St. Rank held Costco as of Q3 2025.

Based on Alyeska Investment Group's 13F filing for Q3 2025, filed 17 Nov 2025.