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 |
|---|---|---|---|---|---|---|---|
|
Oct 01, 2025
Q3 2025
|
Neville Rodie & Shaw Inc
|
SELL
|
- |
-4.03K- 11.41% |
$3.69M - $4.01M
|
31.3K
$28.7M
|
|
|
Oct 01, 2025
Q3 2025
|
Everence Capital Management Inc
|
SELL
|
- |
-3.37K- 31.82% |
$3.08M - $3.35M
|
7.22K
$6.62M
|
|
|
Oct 03, 2025
Q3 2025
|
West Oak Capital, LLC
|
SELL
|
- |
-536- 10.56% |
$491K - $533K
|
4.54K
$4.16M
|
|
|
Oct 01, 2025
Q3 2025
|
Jacobs & CO
|
SELL
|
- |
-174- 0.69% |
$159K - $173K
|
24.9K
$22.9M
|
|
|
Oct 01, 2025
Q3 2025
|
Vigilare Wealth Management
|
SELL
|
- |
-79- 3.08% |
$72.4K - $78.6K
|
2.49K
$2.28M
|
|
|
Oct 03, 2025
Q3 2025
|
Ransom Advisory, LTD
Providence, RI |
SELL
|
- |
-64Closed |
$58.6K - $63.7K
|
0
$0
|
|
|
Oct 01, 2025
Q3 2025
|
Roxbury Financial LLC
Mount Arlington, NJ |
SELL
|
- |
-9- 0.76% |
$8.24K - $8.95K
|
1.17K
$1.07M
|
|
|
Oct 02, 2025
Q3 2025
|
Armstrong Henry H Associates Inc
|
SELL
|
- |
-5- 0.46% |
$4.58K - $4.97K
|
1.07K
$982K
|
|
|
Oct 02, 2025
Q3 2025
|
Hiley Hunt Wealth Management
Omaha, NE |
SELL
|
- |
-4- 0.59% |
$3.66K - $3.98K
|
671
$615K
|
|
| Q2 2025 | |||||||
|
Jul 21, 2025
Q2 2025
|
Kingstone Capital Partners Texas, LLC
Frisco, TX |
SELL
|
- |
-2.36M- 99.98% |
$2.14B - $2.49B
|
548
$502K
|
|
|
Aug 14, 2025
Q2 2025
|
Alliancebernstein L.P.
New York, NY |
SELL
|
- |
-1.04M- 23.9% |
$940M - $1.09B
|
3.3M
$3.02B
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-472K- 89.76% |
$429M - $499M
|
53.9K
$49.4M
|
|
|
Jul 11, 2025
Q2 2025
|
Assenagon Asset Management S.A.
|
SELL
|
- |
-378K- 31.36% |
$343M - $399M
|
826K
$758M
|
|
|
Aug 14, 2025
Q2 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-360K- 73.97% |
$327M - $381M
|
127K
$116M
|
|
|
Sep 12, 2025
Q2 2025
|
Valeo Financial Advisors, LLC
|
SELL
|
- |
-311K- 96.28% |
$283M - $329M
|
12K
$11M
|
|
|
Aug 14, 2025
Q2 2025
|
Symphony Financial, Ltd. Co.
|
SELL
|
- |
-301K- 93.9% |
$274M - $319M
|
19.6K
$18M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-263K- 8.38% |
$239M - $278M
|
2.87M
$2.63B
|
|
|
Aug 13, 2025
Q2 2025
|
California Public Employees Retirement System
Sacramento, CA |
SELL
|
- |
-224K- 17.92% |
$203M - $236M
|
1.02M
$939M
|
|
|
Aug 13, 2025
Q2 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-223K- 40.76% |
$202M - $235M
|
323K
$297M
|
|
|
Aug 12, 2025
Q2 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
SELL
|
- |
-200K- 13.49% |
$182M - $212M
|
1.29M
$1.18B
|
|
|
Aug 12, 2025
Q2 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-197K- 5.38% |
$179M - $208M
|
3.46M
$3.17B
|
|
|
Aug 01, 2025
Q2 2025
|
Jennison Associates LLC
|
SELL
|
- |
-188K- 5.61% |
$171M - $199M
|
3.17M
$2.91B
|
|
|
Aug 13, 2025
Q2 2025
|
Delta Accumulation, LLC
Sausalito, CA |
SELL
|
PUT |
-160K- 57.64% |
$145M - $169M
|
117K
$107M
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-151K- 10.26% |
$137M - $159M
|
1.32M
$1.21B
|
|
|
Aug 12, 2025
Q2 2025
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-139K- 6.96% |
$126M - $147M
|
1.86M
$1.7B
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
SELL
|
PUT |
-134K- 70.49% |
$121M - $141M
|
55.9K
$51.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
SELL
|
PUT |
-123K- 35.67% |
$112M - $130M
|
222K
$204M
|
|
|
Aug 05, 2025
Q2 2025
|
Bank Of Montreal
Toronto, A6 |
SELL
|
- |
-121K- 7.55% |
$110M - $128M
|
1.48M
$1.36B
|
|
|
Aug 13, 2025
Q2 2025
|
Alphinity Investment Management Pty LTD
|
SELL
|
- |
-115K- 17.57% |
$104M - $121M
|
539K
$494M
|
|
|
Aug 11, 2025
Q2 2025
|
Brown Brothers Harriman & CO
New York, NY |
SELL
|
- |
-99.7K- 29.17% |
$90.6M - $105M
|
242K
$222M
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Market Inc.
Toronto, A6 |
SELL
|
- |
-97.6K- 24.26% |
$88.7M - $103M
|
305K
$279M
|
|
|
Aug 13, 2025
Q2 2025
|
Capula Management LTD
Grand Cayman, E9 |
SELL
|
PUT |
-96.2K- 98.87% |
$87.4M - $102M
|
1.1K
$1.01M
|
|
|
Aug 13, 2025
Q2 2025
|
Capula Management LTD
Grand Cayman, E9 |
SELL
|
- |
-96.2K- 99.77% |
$87.4M - $102M
|
223
$204K
|
|
|
Aug 11, 2025
Q2 2025
|
Citigroup Inc
|
SELL
|
PUT |
-94.1K- 32.08% |
$85.5M - $99.4M
|
199K
$183M
|
|
|
Aug 07, 2025
Q2 2025
|
Axiom Investors LLC
Greenwich, CT |
SELL
|
- |
-86.9K- 28.89% |
$78.9M - $91.8M
|
214K
$196M
|
|
|
Aug 12, 2025
Q2 2025
|
Public Sector Pension Investment Board
Montreal, A8 |
SELL
|
- |
-85.9K- 71.87% |
$78M - $90.7M
|
33.6K
$30.8M
|
|
|
Aug 27, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
PUT |
-78.2K- 44.48% |
$71M - $82.6M
|
97.6K
$89.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
PUT |
-76.9K- 89.42% |
$69.8M - $81.3M
|
9.1K
$8.34M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
SELL
|
PUT |
-74K- 62.82% |
$67.2M - $78.2M
|
43.8K
$40.2M
|
|
|
Aug 06, 2025
Q2 2025
|
Parnassus Investments, LLC
|
SELL
|
- |
-73.2K- 14.43% |
$66.5M - $77.4M
|
434K
$398M
|
|
|
Aug 12, 2025
Q2 2025
|
Legal & General Group PLC
London, X0 |
SELL
|
- |
-70.9K- 2.67% |
$64.4M - $74.9M
|
2.59M
$2.37B
|
|
|
Aug 14, 2025
Q2 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-67.8K- 40.42% |
$61.6M - $71.7M
|
100K
$91.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Zurich Insurance Group LTD
Zurich, V8 |
SELL
|
- |
-65.4K- 67.14% |
$59.4M - $69.1M
|
32K
$29.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
PUT |
-61.6K- 45.0% |
$55.9M - $65.1M
|
75.3K
$69M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital Fund Management S.A.
Paris, I0 |
SELL
|
PUT |
-60.6K- 40.92% |
$55M - $64M
|
87.5K
$80.2M
|
|
|
Aug 13, 2025
Q2 2025
|
Panagora Asset Management Inc
Boston, MA |
SELL
|
- |
-59.1K- 43.55% |
$53.7M - $62.5M
|
76.6K
$70.2M
|
|
|
Aug 13, 2025
Q2 2025
|
Congress Wealth Management LLC
Boston, MA |
SELL
|
- |
-58.3K- 92.98% |
$53M - $61.7M
|
4.41K
$4.04M
|
|
|
Aug 08, 2025
Q2 2025
|
Everett Harris & CO
|
SELL
|
- |
-56K- 6.61% |
$50.9M - $59.2M
|
791K
$725M
|
|
|
Aug 08, 2025
Q2 2025
|
Sg Americas Securities, LLC
|
SELL
|
- |
-55.6K- 88.33% |
$50.5M - $58.8M
|
7.34K
$6.73M
|
|
|
Aug 13, 2025
Q2 2025
|
Northern Trust Corp
Chicago, IL |
SELL
|
- |
-54.5K- 1.07% |
$49.5M - $57.6M
|
5.05M
$4.63B
|
|