A detailed history of O'Brien Wealth Partners LLC transactions in Costco Wholesale Corp stock. As of the latest transaction made, O'Brien Wealth Partners LLC holds 93 shares of COST stock, worth $84,870. This represents 0.01% of its overall portfolio holdings.

Number of Shares
93
Previous 71 30.99%
Holding current value
$84,870
Previous $70,000 22.86%
% of portfolio
0.01%
Previous 0.01%

Shares

6 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Oct 22, 2025

BUY
$915.95 - $994.57 $20,150 - $21,880
22 Added 30.99%
93 $86,000
Q2 2025

Jul 09, 2025

BUY
$908.13 - $1056.85 $64,477 - $75,036
71 New
71 $70,000
Q4 2018

Jan 17, 2019

SELL
$189.99 - $240.37 $11,969 - $15,143
-63 Closed
0 $0
Q3 2018

Oct 09, 2018

BUY
$207.12 - $244.21 $13,048 - $15,385
63 New
63 $15,000
Q2 2018

Jul 11, 2018

SELL
$182.61 - $211.75 $15,156 - $17,575
-83 Closed
0 $0
Q1 2018

Apr 11, 2018

BUY
$178.61 - $198.91 $14,824 - $16,509
83 New
83 $16,000

Others Institutions Holding COST

About COSTCO WHOLESALE CORP


  • Ticker COST
  • Exchange NASDAQ
  • Sector Consumer Defensive
  • Industry Discount Stores
  • Shares Outstandng 442,604,000
  • Market Cap $404B
  • Description
  • Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Spain, France, Iceland, China, and Taiwan. It offers branded and private-label products in a range of merchandise categories. The company o...
More about COST
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