Latest Institutional Purchases of Costco Wholesale Corp (COST)
This list provides information on the latest institutional transactions involving Costco Wholesale Corp (COST) stock that were buys. 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 purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jan 09, 2026
Q4 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
1.07M+ 1586.81% |
$975M - $1.02B
|
1.14M
$1.04B
|
|
|
Jan 09, 2026
Q4 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
394K+ 543.12% |
$359M - $376M
|
467K
$426M
|
|
|
Jan 05, 2026
Q4 2025
|
Union Bancaire Privee, Ubp Sa
Geneva 1, V8 |
BUY
|
- |
24.9K+ 169.44% |
$22.7M - $23.8M
|
39.5K
$36.1M
|
|
|
Jan 15, 2026
Q4 2025
|
Retirement Systems Of Alabama
|
BUY
|
- |
19.9K+ 13.99% |
$18.2M - $19M
|
162K
$148M
|
|
|
Jan 08, 2026
Q4 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
19K+ 53.41% |
$17.3M - $18.1M
|
54.5K
$49.7M
|
|
|
Jan 12, 2026
Q4 2025
|
Defender Capital, Llc.
|
BUY
|
- |
12.1KNew |
$11M - $11.5M
|
12.1K
$11M
|
|
|
Jan 14, 2026
Q4 2025
|
Exchange Traded Concepts, LLC
|
BUY
|
- |
7.24K+ 30.9% |
$6.6M - $6.92M
|
30.7K
$28M
|
|
|
Jan 12, 2026
Q4 2025
|
First Bank & Trust
|
BUY
|
- |
4.9K+ 126.34% |
$4.47M - $4.68M
|
8.78K
$8.01M
|
|
|
Jan 09, 2026
Q4 2025
|
Diversified Trust CO
|
BUY
|
- |
4.29K+ 39.41% |
$3.91M - $4.1M
|
15.2K
$13.9M
|
|
|
Jan 12, 2026
Q4 2025
|
Czech National Bank
Prague, 2N |
BUY
|
- |
4.23K+ 3.75% |
$3.85M - $4.04M
|
117K
$107M
|
|
|
Jan 15, 2026
Q4 2025
|
Mn Services Vermogensbeheer B.V.
|
BUY
|
- |
3.27K+ 1.94% |
$2.98M - $3.12M
|
172K
$157M
|
|
|
Jan 07, 2026
Q4 2025
|
Tounjian Advisory Partners, LLC
Fort Myers, FL |
BUY
|
- |
2.82K+ 1156.56% |
$2.57M - $2.69M
|
3.07K
$2.8M
|
|
|
Jan 14, 2026
Q4 2025
|
Chesley Taft & Associates LLC
|
BUY
|
- |
2.81K+ 4.26% |
$2.56M - $2.68M
|
68.7K
$62.7M
|
|
|
Jan 12, 2026
Q4 2025
|
Bath Savings Trust CO
|
BUY
|
- |
2.65K+ 12.28% |
$2.41M - $2.53M
|
24.2K
$22.1M
|
|
|
Jan 08, 2026
Q4 2025
|
Westview Management Dba Westview Investment Advisors
Burlington, VT |
BUY
|
- |
2.51KNew |
$2.28M - $2.39M
|
2.51K
$2.29M
|
|
|
Jan 14, 2026
Q4 2025
|
Private Advisory Group LLC
Redmond, WA |
BUY
|
- |
2.4K+ 11.08% |
$2.19M - $2.29M
|
24K
$21.9M
|
|
|
Jan 09, 2026
Q4 2025
|
Murphy, Middleton, Hinkle & Parker, Inc.
|
BUY
|
- |
2.4KNew |
$2.18M - $2.29M
|
2.4K
$2.19M
|
|
|
Jan 15, 2026
Q4 2025
|
Community Financial Services Group, LLC
Newport, VT |
BUY
|
- |
2.22K+ 19.21% |
$2.02M - $2.12M
|
13.8K
$12.6M
|
|
|
Jan 08, 2026
Q4 2025
|
Gradient Investments LLC
|
BUY
|
- |
2.01K+ 7.61% |
$1.83M - $1.91M
|
28.3K
$25.9M
|
|
|
Jan 14, 2026
Q4 2025
|
Oak Asset Management, LLC
|
BUY
|
- |
1.62K+ 39.53% |
$1.47M - $1.54M
|
5.7K
$5.2M
|
|
|
Jan 14, 2026
Q4 2025
|
Generali Investments Cee, Investicni Spolecnost, A.S.
Prague, 2N |
BUY
|
- |
1.48K+ 32.84% |
$1.35M - $1.41M
|
5.99K
$5.47M
|
|
|
Jan 05, 2026
Q4 2025
|
Park National Corp
|
BUY
|
- |
1.45K+ 4.21% |
$1.32M - $1.38M
|
35.8K
$32.7M
|
|
|
Jan 14, 2026
Q4 2025
|
Mor Wealth Management, LLC
Philadelphia, PA |
BUY
|
- |
1.13KNew |
$1.03M - $1.08M
|
1.13K
$1.03M
|
|
|
Jan 15, 2026
Q4 2025
|
Nikulski Financial, Inc.
|
BUY
|
- |
1.11K+ 8.74% |
$1.01M - $1.06M
|
13.8K
$12.6M
|
|
|
Jan 15, 2026
Q4 2025
|
Brookstone Capital Management
|
BUY
|
- |
1.1K+ 6.72% |
$1M - $1.05M
|
17.5K
$16M
|
|
|
Jan 15, 2026
Q4 2025
|
Victory Financial Group, LLC
Austin, TX |
BUY
|
- |
1.01K+ 84.04% |
$921K - $965K
|
2.21K
$2.02M
|
|
|
Jan 07, 2026
Q4 2025
|
New England Research & Management, Inc.
|
BUY
|
- |
950+ 358.49% |
$865K - $907K
|
1.22K
$1.11M
|
|
|
Jan 12, 2026
Q4 2025
|
Avanza Fonder Ab
Stockholm, V7 |
BUY
|
- |
936New |
$853K - $894K
|
936
$854K
|
|
|
Jan 12, 2026
Q4 2025
|
Eastover Investment Advisors LLC
|
BUY
|
- |
901+ 13.0% |
$821K - $860K
|
7.83K
$7.15M
|
|
|
Jan 15, 2026
Q4 2025
|
J. Safra Sarasin Holding Ag
Basel, V8 |
BUY
|
- |
869+ 1.81% |
$792K - $830K
|
48.8K
$44.5M
|
|
|
Jan 14, 2026
Q4 2025
|
Cypress Wealth Services, LLC
|
BUY
|
- |
823+ 16.91% |
$750K - $786K
|
5.69K
$5.19M
|
|
|
Jan 15, 2026
Q4 2025
|
Financial Planning Hawaii, Inc.
Honolulu, HI |
BUY
|
- |
811New |
$739K - $774K
|
811
$740K
|
|
|
Jan 14, 2026
Q4 2025
|
Goelzer Investment Management, Inc.
|
BUY
|
- |
785+ 7.81% |
$715K - $750K
|
10.8K
$9.89M
|
|
|
Jan 12, 2026
Q4 2025
|
Schaper Benz & Wise Investment Counsel Inc
|
BUY
|
- |
762+ 19.29% |
$694K - $728K
|
4.71K
$4.3M
|
|
|
Jan 09, 2026
Q4 2025
|
Capital Asset Advisory Services LLC
Haslett, MI |
BUY
|
- |
756+ 14.77% |
$689K - $722K
|
5.88K
$5.36M
|
|
|
Jan 16, 2026
Q4 2025
|
Valicenti Advisory Services Inc
|
BUY
|
- |
742+ 16.23% |
$676K - $709K
|
5.32K
$4.85M
|
|
|
Jan 14, 2026
Q4 2025
|
Edge Rock Capital LLC
|
BUY
|
- |
718New |
$654K - $686K
|
718
$655K
|
|
|
Jan 14, 2026
Q4 2025
|
Eastern Bank
|
BUY
|
- |
694+ 3.35% |
$632K - $663K
|
21.4K
$19.5M
|
|
|
Jan 09, 2026
Q4 2025
|
Salem Investment Counselors Inc
Winston Salem, NC |
BUY
|
- |
693+ 2.96% |
$631K - $662K
|
24.1K
$22M
|
|
|
Jan 09, 2026
Q4 2025
|
Constitution Capital LLC
Shelton, CT |
BUY
|
- |
655+ 17.28% |
$597K - $626K
|
4.45K
$4.06M
|
|
|
Jan 16, 2026
Q4 2025
|
Trust CO Of Vermont
|
BUY
|
- |
647+ 1.26% |
$589K - $618K
|
52.2K
$47.6M
|
|
|
Jan 13, 2026
Q4 2025
|
Norden Group LLC
Provo, UT |
BUY
|
- |
633+ 16.55% |
$577K - $605K
|
4.46K
$4.07M
|
|
|
Jan 15, 2026
Q4 2025
|
Frank, Rimerman Advisors LLC
Palo Alto, CA |
BUY
|
- |
589+ 7.58% |
$537K - $562K
|
8.36K
$7.63M
|
|
|
Jan 05, 2026
Q4 2025
|
Coastline Trust CO
|
BUY
|
- |
578+ 5.94% |
$527K - $552K
|
10.3K
$9.41M
|
|
|
Jan 13, 2026
Q4 2025
|
Triangle Securities Wealth Management
|
BUY
|
- |
568+ 39.58% |
$517K - $542K
|
2K
$1.83M
|
|
|
Jan 14, 2026
Q4 2025
|
Hennion & Walsh Asset Management, Inc.
|
BUY
|
- |
552+ 6.99% |
$503K - $527K
|
8.45K
$7.71M
|
|
|
Jan 12, 2026
Q4 2025
|
Fjell Capital, LLC
Fargo, ND |
BUY
|
- |
532+ 21.04% |
$485K - $508K
|
3.06K
$2.79M
|
|
|
Jan 13, 2026
Q4 2025
|
Argentarii, LLC
Cincinnati, OH |
BUY
|
- |
524+ 10.36% |
$477K - $500K
|
5.58K
$5.09M
|
|
|
Jan 12, 2026
Q4 2025
|
Daymark Wealth Partners, LLC
Cincinnati, OH |
BUY
|
- |
519+ 1.93% |
$473K - $496K
|
27.4K
$25M
|
|
|
Jan 14, 2026
Q4 2025
|
Spire Wealth Management
|
BUY
|
- |
477+ 1.71% |
$435K - $456K
|
28.4K
$25.9M
|
|