Latest Institutional Sells of Costco Wholesale Corp (COST)
This list provides information on the latest institutional transactions involving Costco Wholesale Corp (COST) stock that were sells. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jul 21, 2025
Q2 2025
|
Kingstone Capital Partners Texas, LLC
Frisco, TX |
SELL
|
- |
-2.36M- 99.98% |
$2.14B - $2.49B
|
548
$543K
|
|
|
Aug 14, 2025
Q2 2025
|
Alliancebernstein L.P.
New York, NY |
SELL
|
- |
-1.04M- 23.9% |
$940M - $1.09B
|
3.3M
$3.27B
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-472K- 89.76% |
$429M - $499M
|
53.9K
$53.4M
|
|
|
Aug 15, 2025
Q2 2025
|
Ci Private Wealth, LLC
Miami, FL |
SELL
|
- |
-379K- 30.87% |
$344M - $400M
|
848K
$841M
|
|
|
Jul 11, 2025
Q2 2025
|
Assenagon Asset Management S.A.
|
SELL
|
- |
-378K- 31.36% |
$343M - $399M
|
826K
$819M
|
|
|
Aug 14, 2025
Q2 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-360K- 73.97% |
$327M - $381M
|
127K
$126M
|
|
|
Aug 14, 2025
Q2 2025
|
Symphony Financial, Ltd. Co.
|
SELL
|
- |
-301K- 93.9% |
$274M - $319M
|
19.6K
$19.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-263K- 8.38% |
$239M - $278M
|
2.87M
$2.85B
|
|
|
Aug 13, 2025
Q2 2025
|
California Public Employees Retirement System
Sacramento, CA |
SELL
|
- |
-224K- 17.92% |
$203M - $236M
|
1.02M
$1.02B
|
|
|
Aug 13, 2025
Q2 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-223K- 40.76% |
$202M - $235M
|
323K
$321M
|
|
|
Aug 12, 2025
Q2 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
SELL
|
- |
-200K- 13.49% |
$182M - $212M
|
1.29M
$1.27B
|
|
|
Aug 12, 2025
Q2 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-197K- 5.38% |
$179M - $208M
|
3.46M
$3.43B
|
|
|
Aug 01, 2025
Q2 2025
|
Jennison Associates LLC
|
SELL
|
- |
-188K- 5.61% |
$171M - $199M
|
3.17M
$3.14B
|
|
|
Aug 13, 2025
Q2 2025
|
Delta Accumulation, LLC
Sausalito, CA |
SELL
|
PUT |
-160K- 57.64% |
$145M - $169M
|
117K
$116M
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-151K- 10.26% |
$137M - $159M
|
1.32M
$1.31B
|
|
|
Aug 12, 2025
Q2 2025
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-139K- 6.96% |
$126M - $147M
|
1.86M
$1.84B
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
SELL
|
PUT |
-134K- 70.49% |
$121M - $141M
|
55.9K
$55.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
SELL
|
PUT |
-123K- 35.67% |
$112M - $130M
|
222K
$220M
|
|
|
Aug 05, 2025
Q2 2025
|
Bank Of Montreal
Toronto, A6 |
SELL
|
- |
-121K- 7.55% |
$110M - $128M
|
1.48M
$1.47B
|
|
|
Aug 13, 2025
Q2 2025
|
Alphinity Investment Management Pty LTD
|
SELL
|
- |
-115K- 17.57% |
$104M - $121M
|
539K
$534M
|
|
|
Aug 11, 2025
Q2 2025
|
Brown Brothers Harriman & CO
New York, NY |
SELL
|
- |
-99.7K- 29.17% |
$90.6M - $105M
|
242K
$240M
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Market Inc.
Toronto, A6 |
SELL
|
- |
-97.6K- 24.26% |
$88.7M - $103M
|
305K
$302M
|
|
|
Aug 13, 2025
Q2 2025
|
Capula Management LTD
Grand Cayman, E9 |
SELL
|
PUT |
-96.2K- 98.87% |
$87.4M - $102M
|
1.1K
$1.09M
|
|
|
Aug 13, 2025
Q2 2025
|
Capula Management LTD
Grand Cayman, E9 |
SELL
|
- |
-96.2K- 99.77% |
$87.4M - $102M
|
223
$221K
|
|
|
Aug 11, 2025
Q2 2025
|
Citigroup Inc
|
SELL
|
PUT |
-94.1K- 32.08% |
$85.5M - $99.4M
|
199K
$197M
|
|
|
Aug 07, 2025
Q2 2025
|
Axiom Investors LLC
Greenwich, CT |
SELL
|
- |
-86.9K- 28.89% |
$78.9M - $91.8M
|
214K
$212M
|
|
|
Aug 12, 2025
Q2 2025
|
Public Sector Pension Investment Board
Montreal, A8 |
SELL
|
- |
-85.9K- 71.87% |
$78M - $90.7M
|
33.6K
$33.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
PUT |
-78.2K- 44.48% |
$71M - $82.6M
|
97.6K
$96.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
PUT |
-76.9K- 89.42% |
$69.8M - $81.3M
|
9.1K
$9.02M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
SELL
|
PUT |
-74K- 62.82% |
$67.2M - $78.2M
|
43.8K
$43.4M
|
|
|
Aug 06, 2025
Q2 2025
|
Parnassus Investments, LLC
|
SELL
|
- |
-73.2K- 14.43% |
$66.5M - $77.4M
|
434K
$430M
|
|
|
Aug 12, 2025
Q2 2025
|
Legal & General Group PLC
London, X0 |
SELL
|
- |
-70.9K- 2.67% |
$64.4M - $74.9M
|
2.59M
$2.56B
|
|
|
Aug 14, 2025
Q2 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-67.8K- 40.42% |
$61.6M - $71.7M
|
100K
$99.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Zurich Insurance Group LTD
Zurich, V8 |
SELL
|
- |
-65.4K- 67.14% |
$59.4M - $69.1M
|
32K
$31.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
PUT |
-61.6K- 45.0% |
$55.9M - $65.1M
|
75.3K
$74.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital Fund Management S.A.
Paris, I0 |
SELL
|
PUT |
-60.6K- 40.92% |
$55M - $64M
|
87.5K
$86.7M
|
|
|
Aug 13, 2025
Q2 2025
|
Panagora Asset Management Inc
Boston, MA |
SELL
|
- |
-59.1K- 43.55% |
$53.7M - $62.5M
|
76.6K
$75.9M
|
|
|
Aug 13, 2025
Q2 2025
|
Congress Wealth Management LLC
Boston, MA |
SELL
|
- |
-58.3K- 92.98% |
$53M - $61.7M
|
4.41K
$4.37M
|
|
|
Aug 08, 2025
Q2 2025
|
Everett Harris & CO
|
SELL
|
- |
-56K- 6.61% |
$50.9M - $59.2M
|
791K
$784M
|
|
|
Aug 08, 2025
Q2 2025
|
Sg Americas Securities, LLC
|
SELL
|
- |
-55.6K- 88.33% |
$50.5M - $58.8M
|
7.34K
$7.28M
|
|
|
Aug 13, 2025
Q2 2025
|
Northern Trust Corp
Chicago, IL |
SELL
|
- |
-54.5K- 1.07% |
$49.5M - $57.6M
|
5.05M
$5.01B
|
|
|
Aug 14, 2025
Q2 2025
|
Balyasny Asset Management LLC
Chicago, IL |
SELL
|
- |
-53.3K- 50.25% |
$48.4M - $56.3M
|
52.8K
$52.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital World Investors
Los Angeles, CA |
SELL
|
- |
-51.6K- 1.29% |
$46.8M - $54.5M
|
3.95M
$3.91B
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
PUT |
-43.7K- 65.81% |
$39.7M - $46.2M
|
22.7K
$22.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
PUT |
-42.4K- 59.55% |
$38.5M - $44.8M
|
28.8K
$28.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main
Frankfurt Am Main, 2M |
SELL
|
- |
-41K- 13.76% |
$37.2M - $43.3M
|
257K
$255M
|
|
|
Aug 14, 2025
Q2 2025
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
SELL
|
- |
-37.9K- 9.37% |
$34.4M - $40M
|
366K
$363M
|
|
|
Jul 28, 2025
Q2 2025
|
Td Asset Management Inc
|
SELL
|
- |
-37K- 3.28% |
$33.6M - $39.2M
|
1.09M
$1.08B
|
|
|
Aug 14, 2025
Q2 2025
|
Nomura Holdings Inc
Tokyo, M0 |
SELL
|
- |
-34.9K- 80.69% |
$31.7M - $36.9M
|
8.35K
$8.27M
|
|
|
Aug 14, 2025
Q2 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
SELL
|
- |
-34.4K- 9.0% |
$31.2M - $36.4M
|
348K
$345M
|