COST
Costco Whsl (COST)
NASDAQ
$960.70+$9.35 (+0.98%)
Price as of Jun 23, 2026 2:03 PM EDT
  • $421.9B
    Market Cap
  • -4.76%
    1-Year Change
  • Discount Stores
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
9.84%
43.6M
+165,349 (+0.38%)
Dec 31, 2025
BLACKROCK, INC.
7.88%
34.9M
-152,481 (-0.44%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
7.84%
34.8M
+1.2M (+3.47%)
Dec 31, 2024
BLACKROCK INC.
7.48%
33.2M
+835,171 (+2.52%)
Jun 30, 2024
N/A
6.50%
28.8M
+28.8M (+100.00%)
Mar 31, 2026
STATE STREET CORP
4.09%
18.2M
+5,073 (+0.03%)
Mar 31, 2026
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.
2.67%
11.8M
+188,840 (+1.60%)
Dec 31, 2016

Current Ownership Distribution

  • Institutions5.4B (61.43%)
  • Mutual Funds3.4B (38.55%)
  • Insiders2.3M (0.03%)
  • Other0 (0.00%)

Insider Transactions

  • 0.03% (2.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $106.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Frates Caton
Executive Vice President
Sell
Apr 01, 2026
$695,100.00
700
$993.00
5,815
George Sarah Catherine
Executive Vice President
Discretionary
Mar 12, 2026
$636,482.78
642
$991.21
0
MILLERCHIP GARY
Executive Vice President
In Kind
Mar 11, 2026
$1.1M
1,154
$992.23
15,465
Adamo Claudine
Executive Vice President
Sell
Mar 09, 2026
$732,205.33
730
$1,003.02
6,121
RAIKES JEFFREY S
Gift
Jan 27, 2026
$0.00
5,115
$0.00
11,293
Jones Teresa A.
Executive Vice President
Gift
Jan 27, 2026
$0.00
300
$0.00
3,928
Jones Teresa A.
Executive Vice President
Sell
Jan 21, 2026
$838,318.19
850
$986.26
4,228
Raimondo Gina Marie
Award
Jan 16, 2026
$0.00
215
$0.00
215
DECKER SUSAN L
Sell
Jan 16, 2026
$437,390.00
458
$955.00
8,532
Klauer James C
Executive Vice President
Sell
Jan 14, 2026
$1.4M
1,500
$939.00
44,837
Miller Russell D
Sr. Executive Vice President
Sell
Jan 09, 2026
$1.4M
1,500
$916.32
8,240
POLIT JAVIER
Executive Vice President
Sell
Dec 30, 2025
$481,758.59
558
$862.89
10,190
POLIT JAVIER
Executive Vice President
Sell
Dec 29, 2025
$1.8M
2,049
$867.21
10,748
DECKER SUSAN L
Gift
Dec 15, 2025
$0.00
2,827
$0.00
8,990
RAIKES JEFFREY S
Gift
Nov 10, 2025
$0.00
4,120
$0.00
16,408
Wilcox William Richard
Executive Vice President
Sell
Nov 07, 2025
$2.2M
2,400
$930.13
2,000
Adamo Claudine
Executive Vice President
Sell
Oct 24, 2025
$2.5M
2,700
$935.68
6,851
Barbre Tiffany Marie
Sell
Oct 24, 2025
$1.2M
1,239
$934.62
5,155
JAMES HAMILTON E
Award
Oct 22, 2025
$0.00
286
$0.00
55,538
JEWELL SARAH MR SALLY
Award
Oct 22, 2025
$0.00
286
$0.00
3,613
Foulkes Helena
Award
Oct 22, 2025
$0.00
286
$0.00
1,087
Klauer James C
Executive Vice President
In Kind
Oct 22, 2025
$226,675.97
240
$944.68
47,014
Callans Patrick J
Executive Vice President
In Kind
Oct 22, 2025
$226,675.97
240
$944.68
61,572
DENMAN KENNETH D
Award
Oct 22, 2025
$0.00
286
$0.00
5,989
MILLERCHIP GARY
Executive Vice President
Award
Oct 22, 2025
$0.00
6,268
$0.00
17,433
Sullivan John Christopher
Executive VP
Award
Oct 22, 2025
$0.00
4,654
$0.00
50,185
POLIT JAVIER
Executive Vice President
Award
Oct 22, 2025
$0.00
4,219
$0.00
13,965
Barbre Tiffany Marie
Award
Oct 22, 2025
$0.00
2,118
$0.00
6,937
Wilderotter Mary Agnes
Award
Oct 22, 2025
$0.00
286
$0.00
3,205
Klauer James C
Executive Vice President
In Kind
Oct 22, 2025
$180,131.58
191
$944.68
46,824