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 |
|---|---|---|---|---|---|---|---|
|
Nov 06, 2025
Q3 2025
|
Advisors Asset Management, Inc.
Monument, CO |
BUY
|
- |
1.26K+ 3.99% |
$1.16M - $1.26M
|
32.9K
$30M
|
|
|
Oct 28, 2025
Q3 2025
|
Baer Investment Advisory LLC
Corte Madera, CA |
BUY
|
- |
1.26K+ 53.47% |
$1.15M - $1.25M
|
3.6K
$3.29M
|
|
|
Oct 28, 2025
Q3 2025
|
Wolverine Asset Management LLC
|
BUY
|
- |
1.25K+ 356.41% |
$1.15M - $1.24M
|
1.6K
$1.46M
|
|
|
Nov 07, 2025
Q3 2025
|
Icici Prudential Asset Management CO LTD
|
BUY
|
- |
1.25K+ 22.48% |
$1.14M - $1.24M
|
6.81K
$6.21M
|
|
|
Oct 29, 2025
Q3 2025
|
Amalgamated Bank
New York, NY |
BUY
|
- |
1.25K+ 1.2% |
$1.14M - $1.24M
|
105K
$96M
|
|
|
Nov 18, 2025
Q3 2025
|
Silvant Capital Management LLC
|
BUY
|
- |
1.25K+ 8.62% |
$1.14M - $1.24M
|
15.7K
$14.3M
|
|
|
Nov 03, 2025
Q3 2025
|
Werba Rubin Papier Wealth Management
San Jose, CA |
BUY
|
- |
1.24K+ 114.3% |
$1.13M - $1.23M
|
2.32K
$2.12M
|
|
|
Nov 10, 2025
Q3 2025
|
China Universal Asset Management Co., Ltd.
Shanghai, F4 |
BUY
|
- |
1.23K+ 8.44% |
$1.13M - $1.22M
|
15.8K
$14.4M
|
|
|
Oct 29, 2025
Q3 2025
|
Tred Avon Family Wealth, LLC
Easton, MD |
BUY
|
- |
1.21KNew |
$1.11M - $1.21M
|
1.21K
$1.11M
|
|
|
Nov 12, 2025
Q3 2025
|
Catalyst Funds Management Pty LTD
Sydney Nsw, C3 |
BUY
|
- |
1.2KNew |
$1.1M - $1.19M
|
1.2K
$1.1M
|
|
|
Nov 10, 2025
Q3 2025
|
Inspire Trust Co, N.A.
Reno, NV |
BUY
|
- |
1.2K+ 35.29% |
$1.1M - $1.19M
|
4.6K
$4.2M
|
|
|
Nov 07, 2025
Q3 2025
|
Ontario Teachers Pension Plan Board
Toronto, A6 |
BUY
|
- |
1.2K+ 27.25% |
$1.1M - $1.19M
|
5.6K
$5.11M
|
|
|
Oct 14, 2025
Q3 2025
|
Andrew Hill Investment Advisors, Inc.
Naples, FL |
BUY
|
- |
1.19K+ 55.45% |
$1.09M - $1.18M
|
3.34K
$3.05M
|
|
|
Nov 13, 2025
Q3 2025
|
Vestcor Inc
Fredericton, A3 |
BUY
|
- |
1.16K+ 5.94% |
$1.06M - $1.15M
|
20.7K
$18.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Evoke Wealth, LLC
|
BUY
|
- |
1.13K+ 34.46% |
$1.03M - $1.12M
|
4.41K
$4.02M
|
|
|
Nov 12, 2025
Q3 2025
|
Marietta Investment Partners LLC
Milwaukee, WI |
BUY
|
- |
1.12K+ 190.66% |
$1.03M - $1.12M
|
1.71K
$1.56M
|
|
|
Nov 04, 2025
Q3 2025
|
Heritage Investors Management Corp
|
BUY
|
- |
1.12K+ 4.89% |
$1.02M - $1.11M
|
24K
$21.9M
|
|
|
Nov 07, 2025
Q3 2025
|
Mmbg Investment Advisors Co.
|
BUY
|
- |
1.11K+ 20.83% |
$1.01M - $1.1M
|
6.41K
$5.85M
|
|
|
Nov 07, 2025
Q3 2025
|
Fiscal Wisdom Wealth Management, LLC
Canton, CT |
BUY
|
- |
1.1KNew |
$1.01M - $1.1M
|
1.1K
$1.01M
|
|
|
Nov 14, 2025
Q3 2025
|
Alphadyne Asset Management LP
New York, NY |
BUY
|
PUT |
1.1KNew |
$1.01M - $1.09M
|
1.1K
$1M
|
|
|
Nov 14, 2025
Q3 2025
|
Mount Yale Investment Advisors, LLC
|
BUY
|
- |
1.1K+ 90.72% |
$1M - $1.09M
|
2.3K
$2.1M
|
|
|
Oct 14, 2025
Q3 2025
|
Ofi Invest Asset Management
Paris, I0 |
BUY
|
- |
1.09K+ 2.95% |
$1M - $1.09M
|
38.1K
$34.8M
|
|
|
Nov 10, 2025
Q3 2025
|
Gardner Lewis Asset Management L P
Chadds Ford, PA |
BUY
|
- |
1.07KNew |
$976K - $1.06M
|
1.07K
$973K
|
|
|
Nov 10, 2025
Q3 2025
|
Baldwin Investment Management, LLC
|
BUY
|
- |
1.06K+ 10.59% |
$969K - $1.05M
|
11K
$10.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Rafferty Asset Management, LLC
New York, NY |
BUY
|
- |
1.05K+ 2.11% |
$965K - $1.05M
|
51K
$46.6M
|
|
|
Nov 20, 2025
Q3 2025
|
Centaurus Financial, Inc.
|
BUY
|
- |
1.05K+ 19.5% |
$958K - $1.04M
|
6.41K
$5.85M
|
|
|
Oct 30, 2025
Q3 2025
|
Baker Avenue Asset Management, LP
|
BUY
|
- |
1.05K+ 8.69% |
$958K - $1.04M
|
13.1K
$11.9M
|
|
|
Oct 29, 2025
Q3 2025
|
Stenger Family Office, LLC
Naperville, IL |
BUY
|
- |
1.04K+ 17.27% |
$954K - $1.04M
|
7.07K
$6.45M
|
|
|
Nov 13, 2025
Q3 2025
|
Fuller & Thaler Asset Management, Inc.
San Mateo, CA |
BUY
|
- |
1.04KNew |
$952K - $1.03M
|
1.04K
$948K
|
|
|
Nov 10, 2025
Q3 2025
|
Siligmueller & Norvid Wealth Advisors LLC
Glen Ellyn, IL |
BUY
|
- |
1.03KNew |
$944K - $1.03M
|
1.03K
$941K
|
|
|
Nov 13, 2025
Q3 2025
|
Volterra Technologies LP
New York, NY |
BUY
|
- |
1.02K+ 5085.0% |
$932K - $1.01M
|
1.04K
$946K
|
|
|
Nov 12, 2025
Q3 2025
|
111 Capital
Paris, I0 |
BUY
|
- |
1.01K+ 20.07% |
$921K - $1M
|
6.02K
$5.49M
|
|
|
Oct 20, 2025
Q3 2025
|
Calamos Advisors LLC
|
BUY
|
CALL |
1K+ 100.0% |
$916K - $995K
|
2K
$1.83M
|
|
|
Oct 22, 2025
Q3 2025
|
Almanack Investment Partners, Llc.
Wayne, PA |
BUY
|
- |
999New |
$915K - $994K
|
999
$912K
|
|
|
Nov 14, 2025
Q3 2025
|
Monograph Wealth Advisors, LLC
|
BUY
|
- |
998+ 371.0% |
$914K - $993K
|
1.27K
$1.16M
|
|
|
Nov 10, 2025
Q3 2025
|
Vestmark Advisory Solutions, Inc.
|
BUY
|
- |
997+ 17.57% |
$913K - $992K
|
6.67K
$6.09M
|
|
|
Oct 27, 2025
Q3 2025
|
Wealth Plan Partners, LLC
Omaha, NE |
BUY
|
- |
996+ 11.1% |
$912K - $991K
|
9.97K
$9.09M
|
|
|
Nov 10, 2025
Q3 2025
|
One River Asset Management, LLC
Stamford, CT |
BUY
|
- |
988New |
$905K - $983K
|
988
$902K
|
|
|
Oct 29, 2025
Q3 2025
|
Triasima Portfolio Management Inc.
|
BUY
|
- |
984+ 25.86% |
$901K - $979K
|
4.79K
$4.37M
|
|
|
Nov 03, 2025
Q3 2025
|
Little House Capital LLC
Braintree, MA |
BUY
|
- |
981+ 21.25% |
$899K - $976K
|
5.6K
$5.11M
|
|
|
Nov 13, 2025
Q3 2025
|
Limestone Investment Advisors LP
New York, NY |
BUY
|
- |
977New |
$895K - $972K
|
977
$892K
|
|
|
Oct 20, 2025
Q3 2025
|
Continuum Advisory, LLC
Eagle, ID |
BUY
|
- |
975+ 15.99% |
$893K - $970K
|
7.07K
$6.45M
|
|
|
Oct 17, 2025
Q3 2025
|
Ethic Inc.
New York, NY |
BUY
|
- |
975+ 6.63% |
$893K - $970K
|
15.7K
$14.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Algert Global LLC
San Francisco, CA |
BUY
|
- |
957+ 10.91% |
$877K - $952K
|
9.73K
$8.88M
|
|
|
Nov 12, 2025
Q3 2025
|
Allianz Se
Munich, 2M |
BUY
|
- |
954+ 4.55% |
$874K - $949K
|
21.9K
$20M
|
|
|
Nov 14, 2025
Q3 2025
|
Occudo Quantitative Strategies LP
Fort Lauderdale, FL |
BUY
|
- |
952+ 10.42% |
$872K - $947K
|
10.1K
$9.21M
|
|
|
Nov 14, 2025
Q3 2025
|
Clark Capital Management Group, Inc.
Philadelphia, PA |
BUY
|
- |
941+ 1.87% |
$862K - $936K
|
51.3K
$46.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Ehp Funds Inc.
Toronto, Z4 |
BUY
|
- |
941+ 188.2% |
$862K - $936K
|
1.44K
$1.32M
|
|
|
Nov 13, 2025
Q3 2025
|
Nemes Rush Group LLC
Novi, MI |
BUY
|
- |
940+ 7.34% |
$861K - $935K
|
13.7K
$12.5M
|
|
|
Nov 04, 2025
Q3 2025
|
Telos Capital Management, Inc.
|
BUY
|
- |
932+ 8.65% |
$854K - $927K
|
11.7K
$10.7M
|
|