Latest Institutional Transactions on Costco Wholesale Corp (COST)
This table provides information on the latest institutional transactions involving Costco Wholesale Corp (COST) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Oct 27, 2025
Q3 2025
|
Greenhouse Wealth Management, LLC
|
BUY
|
- |
1+ 0.2% |
$916 - $995
|
501
$457K
|
|
|
Oct 27, 2025
Q3 2025
|
First National Corp
|
SELL
|
- |
-851- 23.35% |
$779K - $846K
|
2.79K
$2.55M
|
|
|
Oct 27, 2025
Q3 2025
|
Octavia Wealth Advisors, LLC
|
BUY
|
- |
50+ 3.16% |
$45.8K - $49.7K
|
1.63K
$1.49M
|
|
|
Oct 27, 2025
Q3 2025
|
Mbe Wealth Management, LLC
|
SELL
|
- |
-66- 17.14% |
$60.5K - $65.6K
|
319
$291K
|
|
|
Oct 27, 2025
Q3 2025
|
Orin Green Financial, LLC
|
BUY
|
- |
2+ 0.28% |
$1.83K - $1.99K
|
718
$655K
|
|
|
Oct 27, 2025
Q3 2025
|
Conning Inc.
|
SELL
|
- |
-107- 1.64% |
$98K - $106K
|
6.41K
$5.85M
|
|
|
Oct 27, 2025
Q3 2025
|
Hartford Financial Management Inc.
|
SELL
|
- |
-54- 0.68% |
$49.5K - $53.7K
|
7.92K
$7.23M
|
|
|
Oct 27, 2025
Q3 2025
|
Argus Investors' Counsel, Inc.
|
SELL
|
- |
-552- 10.83% |
$506K - $549K
|
4.55K
$4.15M
|
|
|
Oct 27, 2025
Q3 2025
|
Meritage Portfolio Management
|
SELL
|
- |
-781- 9.02% |
$715K - $777K
|
7.88K
$7.19M
|
|
|
Oct 27, 2025
Q3 2025
|
Wealth Effects LLC
|
BUY
|
- |
31+ 4.18% |
$28.4K - $30.8K
|
772
$705K
|
|
|
Oct 27, 2025
Q3 2025
|
Elwood & Goetz Wealth Advisory Group, LLC
Athens, GA |
BUY
|
- |
128+ 11.9% |
$117K - $127K
|
1.2K
$1.1M
|
|
|
Oct 27, 2025
Q3 2025
|
Sutton Place Investors LLC
Katonah, NY |
SELL
|
- |
-7- 1.86% |
$6.41K - $6.96K
|
369
$337K
|
|
|
Oct 27, 2025
Q3 2025
|
Oversea Chinese Banking Corp LTD
Great Eastern Centre, U0 |
BUY
|
- |
118+ 7.22% |
$108K - $117K
|
1.75K
$1.6M
|
|
|
Oct 27, 2025
Q3 2025
|
Kennedy Investment Group
West Depford, NJ |
BUY
|
- |
152+ 8.22% |
$139K - $151K
|
2K
$1.83M
|
|
|
Oct 27, 2025
Q3 2025
|
Lazari Capital Management, Inc.
Woodland Hills, CA |
SELL
|
- |
-1- 0.07% |
$916 - $995
|
1.52K
$1.39M
|
|
|
Oct 27, 2025
Q3 2025
|
Fonville Wealth Management LLC
Richmond, VA |
BUY
|
- |
13+ 2.8% |
$11.9K - $12.9K
|
477
$435K
|
|
|
Oct 27, 2025
Q3 2025
|
Sharp Financial Services, LLC
Horsham, PA |
BUY
|
- |
40+ 12.5% |
$36.6K - $39.8K
|
360
$329K
|
|
|
Oct 27, 2025
Q3 2025
|
Elevate Capital Advisors, LLC
Eagle, CO |
SELL
|
- |
-46- 4.97% |
$42.1K - $45.8K
|
879
$802K
|
|
|
Oct 27, 2025
Q3 2025
|
Littlejohn Financial Services, Inc.
Roseburg, OR |
BUY
|
- |
1.92K+ 192.86% |
$1.76M - $1.91M
|
2.91K
$2.66M
|
|
|
Oct 27, 2025
Q3 2025
|
Morey & Quinn Wealth Partners, LLC
Omaha, NE |
BUY
|
- |
16+ 1.9% |
$14.7K - $15.9K
|
859
$784K
|
|
|
Oct 27, 2025
Q3 2025
|
Bolthouse Investments, LLC
Bakersfield, CA |
SELL
|
- |
-353- 17.75% |
$323K - $351K
|
1.64K
$1.49M
|
|
|
Oct 27, 2025
Q3 2025
|
Sunbeam Capital Management, LLC
Atlanta, GA |
BUY
|
- |
4+ 0.3% |
$3.66K - $3.98K
|
1.33K
$1.21M
|
|
|
Oct 24, 2025
Q3 2025
|
Sumitomo Mitsui Ds Asset Management Company, LTD
|
BUY
|
- |
1.28K+ 2.14% |
$1.18M - $1.28M
|
61.3K
$55.9M
|
|
|
Oct 24, 2025
Q3 2025
|
William Allan, LLC
|
SELL
|
- |
-2.23K- 28.07% |
$2.04M - $2.22M
|
5.71K
$5.21M
|
|
|
Oct 24, 2025
Q3 2025
|
Parnassus Investments, LLC
|
SELL
|
- |
-13.7K- 3.16% |
$12.6M - $13.6M
|
420K
$384M
|
|
|
Oct 24, 2025
Q3 2025
|
Masterinvest Kapitalanlage Gmb H
Vienna, |
SELL
|
- |
-56- 1.36% |
$51.3K - $55.7K
|
4.06K
$3.7M
|
|
|
Oct 24, 2025
Q3 2025
|
Acorn Financial Advisory Services Inc
|
BUY
|
- |
8+ 2.86% |
$7.33K - $7.96K
|
288
$263K
|
|
|
Oct 24, 2025
Q3 2025
|
Purus Wealth Management, LLC
|
BUY
|
- |
7+ 0.04% |
$6.41K - $6.96K
|
16.1K
$14.7M
|
|
|
Oct 24, 2025
Q3 2025
|
Tanager Wealth Management LLP
|
BUY
|
- |
15+ 1.65% |
$13.7K - $14.9K
|
924
$843K
|
|
|
Oct 24, 2025
Q3 2025
|
Roble, Belko & Company, Inc
Sewickley, PA |
BUY
|
- |
123New |
$113K - $122K
|
123
$112K
|
|
|
Oct 24, 2025
Q3 2025
|
Mine & Arao Wealth Creation & Management, Llc.
Campbell, CA |
BUY
|
- |
1+ 0.42% |
$916 - $995
|
240
$219K
|
|
|
Oct 24, 2025
Q3 2025
|
Silver Oak Wealth Management LLC
Edina, MN |
SELL
|
- |
-29- 3.69% |
$26.6K - $28.8K
|
757
$691K
|
|
|
Oct 24, 2025
Q3 2025
|
Catalina Capital Group, LLC
Torrance, CA |
SELL
|
- |
-6- 0.94% |
$5.5K - $5.97K
|
635
$579K
|
|
|
Oct 24, 2025
Q3 2025
|
Heck Capital Advisors, LLC
Rhinelander, WI |
BUY
|
- |
21+ 6.44% |
$19.2K - $20.9K
|
347
$317K
|
|
|
Oct 24, 2025
Q3 2025
|
Hidden Cove Wealth Management, LLC
Bainbridge Island, WA |
SELL
|
- |
-20- 3.92% |
$18.3K - $19.9K
|
490
$447K
|
|
|
Oct 24, 2025
Q3 2025
|
Sonoma Allocations LLC
Santa Rosa, CA |
BUY
|
- |
795New |
$728K - $791K
|
795
$726K
|
|
|
Oct 24, 2025
Q3 2025
|
Mount Vernon Associates Inc
|
SELL
|
- |
-168- 1.7% |
$154K - $167K
|
9.74K
$8.89M
|
|
|
Oct 24, 2025
Q3 2025
|
Tfc Financial Management
|
BUY
|
- |
66+ 7.78% |
$60.5K - $65.6K
|
914
$834K
|
|
|
Oct 24, 2025
Q3 2025
|
Legacy Trust
Grand Rapids, MI |
BUY
|
- |
7+ 0.09% |
$6.41K - $6.96K
|
7.96K
$7.26M
|
|
|
Oct 24, 2025
Q3 2025
|
Stonehearth Capital Management, LLC
|
SELL
|
- |
-22- 5.63% |
$20.2K - $21.9K
|
369
$337K
|
|
|
Oct 24, 2025
Q3 2025
|
Avion Wealth
The Woodlands, TX |
SELL
|
- |
-2- 0.83% |
$1.83K - $1.99K
|
238
$217K
|
|
|
Oct 24, 2025
Q3 2025
|
Sachetta, LLC
Lynnfield, MA |
SELL
|
- |
-12- 1.0% |
$11K - $11.9K
|
1.19K
$1.08M
|
|
|
Oct 24, 2025
Q3 2025
|
Mirae Asset Securities (Usa) Inc.
New York, NY |
BUY
|
- |
4.51KNew |
$4.13M - $4.49M
|
4.51K
$4.12M
|
|
|
Oct 24, 2025
Q3 2025
|
Mirae Asset Securities (Usa) Inc.
New York, NY |
BUY
|
PUT |
4.5KNew |
$4.12M - $4.48M
|
4.5K
$4.11M
|
|
|
Oct 24, 2025
Q3 2025
|
Fairfield Financial Advisors, LTD
Wellesley, MA |
BUY
|
- |
633+ 8.62% |
$580K - $630K
|
7.98K
$7.28M
|
|
|
Oct 24, 2025
Q3 2025
|
Hemington Wealth Management
|
SELL
|
- |
-12- 1.07% |
$11K - $11.9K
|
1.11K
$1.01M
|
|
|
Oct 24, 2025
Q3 2025
|
Phillips Financial Management, LLC
|
BUY
|
- |
51+ 11.97% |
$46.7K - $50.7K
|
477
$435K
|
|
|
Oct 24, 2025
Q3 2025
|
Forum Financial Management, LP
Lombard, IL |
BUY
|
- |
91+ 1.6% |
$83.4K - $90.5K
|
5.79K
$5.28M
|
|
|
Oct 24, 2025
Q3 2025
|
Cannon Advisors, Inc.
Charlotte, NC |
BUY
|
- |
1+ 0.16% |
$916 - $995
|
614
$560K
|
|
|
Oct 24, 2025
Q3 2025
|
Tandem Investment Partners LLC
Bordentown, NJ |
BUY
|
- |
11+ 1.12% |
$10.1K - $10.9K
|
990
$903K
|
|