Costco Wholesale Corporation (COST) reported fourth-quarter total revenue of $95.723 billion for the 16 weeks ended August 30, 2026, up from $86.156 billion a year earlier. Net income was $2.998 billion, or $6.75 per diluted share, compared with $2.610 billion, or $5.87 per diluted share, in the prior-year quarter.
For fiscal 2026, Costco reported total revenue of $303.154 billion and net income of $9.226 billion, or $20.76 per diluted share.
- Fourth-quarter net sales increased 11.2% to $93.9 billion.
- Fiscal-year net sales increased 10.1% to $297.2 billion.
- Fourth-quarter total comparable sales rose 9.4%, while digitally enabled comparable sales increased 19.5%.
- Costco operated 939 warehouses at the end of the fiscal year, including 647 in the United States and Puerto Rico.
- Fourth-quarter diluted EPS included a $0.15 per-share non-recurring benefit from IEEPA tariff refunds, net of partial reinvestment in member values.
$COST Insider Trading Activity
$COST insiders have traded $COST stock on the open market 2 times in the past 6 months. Of those trades, 0 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $COST stock by insiders over the last 6 months:
- KENNETH D DENMAN sold 885 shares for an estimated $847,345
- CATON FRATES (Executive Vice President) sold 700 shares for an estimated $695,100
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$COST Hedge Fund Activity
We have seen 1,899 institutional investors add shares of $COST stock to their portfolio, and 2,011 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- INVESCO LTD. added 9,675,631 shares (+224.3%) to their portfolio in Q2 2026, for an estimated $9,051,262,531
- DIAMANT ASSET MANAGEMENT, INC. removed 6,720,148 shares (-99.9%) from their portfolio in Q2 2026, for an estimated $6,286,496,849
- CORIENT PRIVATE WEALTH LLC removed 5,366,419 shares (-87.6%) from their portfolio in Q1 2026, for an estimated $5,331,751,933
- JPMORGAN CHASE & CO added 4,224,191 shares (+inf%) to their portfolio in Q2 2026, for an estimated $3,951,603,954
- SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 3,631,675 shares (+inf%) to their portfolio in Q2 2026, for an estimated $3,397,323,012
- SG AMERICAS SECURITIES, LLC added 955,931 shares (+116.9%) to their portfolio in Q2 2026, for an estimated $894,244,772
- MARSHALL WACE, LLP added 910,725 shares (+345.3%) to their portfolio in Q2 2026, for an estimated $851,955,915
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$COST Congressional Stock Trading
Members of Congress have traded $COST stock 3 times in the past 6 months. Of those trades, 2 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $COST stock by members of Congress over the last 6 months:
- REPRESENTATIVE RICHARD MCCORMICK sold up to $15,000 on 07/30.
- REPRESENTATIVE DAN NEWHOUSE purchased up to $15,000 on 07/10.
- SENATOR ALAN ARMSTRONG purchased up to $15,000 on 03/27.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.
