WDC
Western Digital (WDC)
NASDAQ
$331.10-$47.41 (-12.53%)
Price as of Oct 22, 2026 8:00 PM EDT
  • $141.7B
    Market Cap
  • 214.78%
    1-Year Change
  • Computer Hardware
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
11.31%
42.3M
-933,733 (-2.20%)
Dec 31, 2025
BLACKROCK, INC.
8.80%
33.0M
-2.8M (-8.54%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
7.56%
28.3M
-83,001 (-0.29%)
Dec 31, 2024
BLACKROCK INC.
7.50%
28.1M
+619,561 (+2.21%)
Jun 30, 2024
FMR LLC
6.94%
26.0M
-5.6M (-21.71%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
6.01%
22.5M
+475,950 (+2.11%)
Jun 30, 2026
JPMORGAN CHASE & CO
4.54%
17.0M
-504,359 (-2.97%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions5.8B (60.64%)
  • Mutual Funds3.8B (39.19%)
  • Insiders16.3M (0.17%)
  • Other0 (0.00%)

Insider Transactions

  • 0.17% (16.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $6.6B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Sell
Oct 21, 2026
$306,660.00
807
$380.00
108,928
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Exempt
Oct 20, 2026
$0.00
14
$0.00
283
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Exempt
Oct 20, 2026
$0.00
14
$0.00
111,044
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
In Kind
Oct 20, 2026
$477,154.64
1,310
$364.32
109,735
Tan Irving
Chief Executive Officer
Exempt
Sep 20, 2026
$0.00
57
$0.00
800
Davis Brian Scott
Chief Sales & Mrktng Officer
Exempt
Sep 20, 2026
$0.00
8
$0.00
166
Tan Irving
Chief Executive Officer
Exempt
Sep 20, 2026
$0.00
57
$0.00
266,704
Davis Brian Scott
Chief Sales & Mrktng Officer
Exempt
Sep 20, 2026
$0.00
8
$0.00
100,454
Tan Irving
Chief Executive Officer
In Kind
Sep 20, 2026
$481,539.21
1,091
$441.36
265,613
Davis Brian Scott
Chief Sales & Mrktng Officer
In Kind
Sep 20, 2026
$425,044.69
963
$441.36
99,491
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Award
Sep 17, 2026
$0.00
27
$0.00
298
Oulman Roxanne
Award
Sep 17, 2026
$0.00
1
$0.00
3
DOLUCA TUNC
Award
Sep 17, 2026
$0.00
1
$0.00
3
Alexy Kimberly
Award
Sep 17, 2026
$0.00
1
$0.00
3
KIDDOO BRUCE E
Award
Sep 17, 2026
$0.00
1
$0.00
3
Shihab Ahmed Mohammed
Chief Product Officer
Award
Sep 17, 2026
$0.00
42
$0.00
453
STREETER STEPHANIE A
Award
Sep 17, 2026
$0.00
1
$0.00
3
Tan Irving
Chief Executive Officer
Award
Sep 17, 2026
$0.00
83
$0.00
857
MASSENGILL MATTHEW E
Award
Sep 17, 2026
$0.00
10
$0.00
121
Davis Brian Scott
Chief Sales & Mrktng Officer
Award
Sep 17, 2026
$0.00
17
$0.00
174
Shihab Ahmed Mohammed
Chief Product Officer
Exempt
Sep 17, 2026
$0.00
57
$0.00
397
Shihab Ahmed Mohammed
Chief Product Officer
Exempt
Sep 17, 2026
$0.00
56
$0.00
163,758
Shihab Ahmed Mohammed
Chief Product Officer
In Kind
Sep 17, 2026
$2.2M
5,150
$423.87
158,608
Gubbi Vidyadhara K
Chief of Global Operations
Sell
Sep 04, 2026
$825,472.39
1,795
$459.87
80,571
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Sell
Sep 04, 2026
$194,918.40
432
$451.20
111,030
Gubbi Vidyadhara K
Chief of Global Operations
Exempt
Sep 03, 2026
$0.00
14
$0.00
194
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Exempt
Sep 03, 2026
$0.00
7
$0.00
270
Gubbi Vidyadhara K
Chief of Global Operations
Exempt
Sep 03, 2026
$0.00
14
$0.00
84,130
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
Exempt
Sep 03, 2026
$0.00
7
$0.00
112,162
Gubbi Vidyadhara K
Chief of Global Operations
In Kind
Sep 03, 2026
$778,929.48
1,764
$441.57
82,366