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WDC · Western Digital Corp · Shareholders & Ownership

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$343.00 -11.19 (-3.16%)
Market Cap
$125.70B
Shares
360.54M
Volume · Oct 23 13.82M Avg daily vol (3M) 8.11M

Every disclosed holder of WDC in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns WDC

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 323,146,217 89.63%
Insiders (Forms 3, 4, 5) 2,835,753 0.79%
13D/G-only blocks 0 0.00%
Remaining 34,558,974 9.59%
Registered funds (N-PORT, not summed) 154,272,836 42.79%

Shares outstanding: 360,540,944, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of WDC

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
32,953,613
1.1
iShares Core S&P 500 ETF
Fund S000004310 · Registered fund · Jun 30, 2026
iShares Trust, not summed
4,740,744
1.2
iShares Russell 1000 Growth ETF
Fund S000004346 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,290,939
1.3
iShares MSCI USA Momentum Factor ETF
Fund S000040316 · Registered fund · Jul 31, 2026
iShares Trust, not summed
1,037,176
1.4
iShares A.I. Innovation and Tech Active ETF
Fund S000086268 · Registered fund · Jul 31, 2026
BlackRock ETF Trust, not summed
807,221
1.5
iShares S&P 500 Value ETF
Fund S000004312 · Registered fund · Jun 30, 2026
iShares Trust, not summed
566,651
2
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
25,983,645
2.1
FMR LLC
13G CIK 315066 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
26,361,315
2.2
Fidelity 500 Index Fund
Fund S000006027 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
4,338,677
2.3
Select Semiconductors Portfolio
Fund S000007458 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
3,084,742
2.4
Fidelity Blue Chip Growth Fund
Fund S000007195 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
2,933,512
2.5
Select Technology Portfolio
Fund S000007484 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
2,803,918
3
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
22,510,811
4
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
17,007,789
5
Capital World Investors
13F CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
16,598,211
6
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
16,276,615
6.1
State Street(R) Technology Select Sector SPDR(R) ETF
Fund S000006415 · Registered fund · Jun 30, 2026
SELECT SECTOR SPDR TRUST, not summed
2,379,538
6.2
State Street(R) SPDR(R) Portfolio S&P 500(R) ETF
Fund S000006983 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
822,380
6.3
State Street(R) SPDR(R) Portfolio S&P 500(R) Value ETF
Fund S000006985 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
419,165
6.4
State Street Equity 500 Index II Portfolio
Fund S000046029 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
131,993
6.5
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
66,889
7
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
14,435,741
7.1
Invesco NASDAQ 100 ETF
Fund S000069448 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
1,441,019
7.2
Invesco S&P 500 Quality ETF
Fund S000003049 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
1,100,705
7.3
Invesco American Franchise Fund
Fund S000027822 · Registered fund · May 31, 2026
AIM Counselor Series Trust (Invesco Counselor Series Trust), not summed
984,780
7.4
Invesco S&P 500 Momentum ETF
Fund S000050154 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
662,221
7.5
Invesco S&P 500 Equal Weight ETF
Fund S000060812 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
380,174
8
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
13,109,474
8.1
VANGUARD PORTFOLIO MANAGEMENT LLC
13G CIK 2100121 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
13,196,274
9
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
10,942,453
10
VANGUARD 500 INDEX FUND
Fund S000002839 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
8,934,103
11
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
8,411,628
12
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
8,148,144
12.1
Global Strategist Portfolio
Fund S000004124 · Registered fund · Jun 30, 2026
MORGAN STANLEY INSTITUTIONAL FUND TRUST, not summed
1,049
12.2
E*TRADE No Fee Large Cap Index Fund
Fund S000090720 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
688
12.3
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
527
12.4
Global Strategist Portfolio
Fund S000004181 · Registered fund · Jun 30, 2026
MORGAN STANLEY VARIABLE INSURANCE FUND INC., not summed
140
13
Invesco QQQ Trust, Series 1
Fund S000101292 · Registered fund · Jun 30, 2026
Invesco QQQ Trust, Series 1, not summed
7,316,629
14
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
6,489,630
15
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
5,178,993
15.1
Goldman Sachs ActiveBeta(R) U.S. Large Cap Equity ETF
Fund S000048295 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
165,952
15.2
Goldman Sachs Nasdaq-100 Premium Income ETF
Fund S000081510 · Registered fund · Jun 30, 2026
Goldman Sachs ETF Trust, not summed
78,128
15.3
Goldman Sachs Mid Cap Value Fund
Fund S000009320 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
49,165
15.4
Goldman Sachs Large Cap Growth Insights Fund
Fund S000009328 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
32,343
15.5
Goldman Sachs S&P 500 Premium Income ETF
Fund S000081511 · Registered fund · Jun 30, 2026
Goldman Sachs ETF Trust, not summed
25,175
16
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,744,377
16.1
PACE Large Co Growth Equity Investments
Fund S000002972 · Registered fund · Jul 31, 2026
PACE SELECT ADVISORS TRUST, not summed
20,573
16.2
UBS U.S. Allocation Fund
Fund S000002487 · Registered fund · May 31, 2026
UBS INVESTMENT TRUST, not summed
1,728
16.3
UBS GLOBAL ALLOCATION FUND
Fund S000002979 · Registered fund · Jun 30, 2026
UBS FUNDS, not summed
988
16.4
PACE Alternative Strategies Investments
Fund S000006035 · Registered fund · Jul 31, 2026
PACE SELECT ADVISORS TRUST, not summed
21
17
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
4,629,232
18
American Funds Fundamental Investors
Fund S000009227 · Registered fund · Jun 30, 2026
American Funds Fundamental Investors, not summed
4,442,387
19
American Balanced Fund
Fund S000008801 · Registered fund · Jun 30, 2026
American Balanced Fund, not summed
3,904,864
20
JPMorgan Large Cap Growth Fund
Fund S000003856 · Registered fund · Jun 30, 2026
JPMorgan Trust II, not summed
3,836,087
21
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
3,819,103
21.1
College Retirement Equities Fund - Growth Account
Fund S000005082 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
1,372,822
21.2
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
718,850
21.3
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
281,772
21.4
College Retirement Equities Fund - Global Equities Account
Fund S000005081 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
252,540
21.5
Nuveen Large Cap Growth Index Fund
Fund S000005387 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
189,626
22
VANGUARD MID-CAP INDEX FUND
Fund S000002844 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,734,287
23
VANGUARD GROWTH INDEX FUND
Fund S000002842 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,677,952
24
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,663,369
24.1
Stock Index Fund
Fund S000001247 · Registered fund · Jun 30, 2026
Northern Funds, not summed
102,501
24.2
FlexShares Quality Dividend Index Fund
Fund S000038873 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
51,781
24.3
World Selection Index Fund
Fund S000019579 · Registered fund · Jun 30, 2026
Northern Funds, not summed
16,129
24.4
FlexShares US Quality Large Cap Index Fund
Fund S000050614 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
12,992
24.5
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
7,584
25
AMERIPRISE FINANCIAL INC
13F CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,386,190
25.1
Columbia Seligman Technology and Information Fund
Fund S000031370 · Registered fund · May 31, 2026
Columbia Funds Series Trust II, not summed
2,203,450
25.2
Columbia Seligman Global Technology Fund
Fund S000031372 · Registered fund · Jul 31, 2026
Columbia Funds Series Trust II, not summed
253,208
25.3
Columbia Cornerstone Growth Fund
Fund S000012081 · Registered fund · Jul 31, 2026
COLUMBIA FUNDS SERIES TRUST I, not summed
189,785
25.4
Columbia Select Global Equity Fund
Fund S000030660 · Registered fund · Jul 31, 2026
Columbia Funds Series Trust II, not summed
81,919
25.5
Columbia Variable Portfolio - Cornerstone Growth Fund
Fund S000019840 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
71,219
26
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,940,948
26.1
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
53,876
26.2
AQR Style Premia Alternative Fund
Fund S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
48,308
26.3
AQR Large Cap Multi-Style Fund
Fund S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
42,453
26.4
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
23,004
26.5
AQR Multi-Asset Fund
Fund S000029959 · Registered fund · Jun 30, 2026
AQR Funds, not summed
17,906
27
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,916,885
27.1
BNY Mellon US Large Cap Core Equity ETF
Fund S000067260 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
28,552
28
Growth Fund of America
Fund S000009228 · Registered fund · May 31, 2026
Growth Fund of America, not summed
2,901,510
29
Capital Research Global Investors
13F CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,816,570
30
New Economy Fund
Fund S000009598 · Registered fund · May 31, 2026
New Economy Fund, not summed
2,667,792
31
Legal & General Group Plc
13F CIK 764068 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
2,509,592
32
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,448,137
32.1
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
544,361
32.2
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
392,580
32.3
U.S. CORE EQUITY 1 PORTFOLIO
Fund S000000979 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
246,953
32.4
Dimensional U.S. Equity Market ETF
Fund S000070902 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
109,882
32.5
Dimensional US High Profitability ETF
Fund S000075148 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
92,605
33
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
2,443,133
34
FRED ALGER MANAGEMENT, LLC
13F CIK 3520 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,206,326
34.1
ALGER FOCUS EQUITY FUND
Fund S000009201 · Registered fund · Jul 31, 2026
ALGER INSTITUTIONAL FUNDS, not summed
558,393
34.2
ALGER SPECTRA FUND
Fund S000009190 · Registered fund · Jul 31, 2026
ALGER FUNDS II, not summed
309,856
34.3
ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND
Fund S000009204 · Registered fund · Jul 31, 2026
ALGER INSTITUTIONAL FUNDS, not summed
280,752
34.4
ALGER CAPITAL APPRECIATION FUND
Fund S000009163 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
229,775
34.5
Alger Concentrated Equity ETF
Fund S000084280 · Registered fund · Jun 30, 2026
Alger ETF Trust, not summed
59,601
35
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,132,395
35.1
Schwab S&P 500 Index Fund
Fund S000005911 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
769,940
35.2
Schwab U.S. Large-Cap ETF
Fund S000026632 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
359,647
35.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
209,128
35.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
200,427
35.5
Schwab U.S. Large-Cap Value ETF
Fund S000026634 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
170,854
36
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,075,801
36.1
T. Rowe Price Science & Technology Fund, Inc.
Fund S000002119 · Registered fund · Jun 30, 2026
T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC., not summed
794,800
36.2
T. Rowe Price Equity Index 500 Fund
Fund S000002089 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
210,954
36.3
T. Rowe Price U.S. Equity Research Fund
Fund S000002071 · Registered fund · Jun 30, 2026
T. Rowe Price U.S. Equity Research Fund, Inc., not summed
96,880
36.4
T. Rowe Price U.S. Equity Research ETF
Fund S000071604 · Registered fund · Jun 30, 2026
T. Rowe Price Exchange-Traded Funds, Inc., not summed
19,854
36.5
T. Rowe Price Hedged Equity Fund
Fund S000080479 · Registered fund · Jun 30, 2026
T. Rowe Price Equity Funds, Inc., not summed
17,210
37
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,979,131
38
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,901,787
39
VANGUARD INSTITUTIONAL INDEX FUND
Fund S000002853 · Registered fund · Jun 30, 2026
VANGUARD INSTITUTIONAL INDEX FUNDS, not summed
1,871,174
40
Amundi
13F CIK 1330387 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,814,033
41
Capital International Investors
13F CIK 1562230 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,803,588
42
EXCHANGE TRADED CONCEPTS, LLC
13F CIK 1457320 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,789,659
42.1
Bancreek U.S. Large Cap ETF
Fund S000083459 · Registered fund · May 31, 2026
Exchange Listed Funds Trust, not summed
7,440
42.2
Roundhill Meme Stock ETF
Fund S000089480 · Registered fund · Jun 30, 2026
Roundhill ETF Trust, not summed
1,828
42.3
QRAFT AI-Enhanced U.S. Large Cap Momentum ETF
Fund S000065358 · Registered fund · Jul 31, 2026
Exchange Listed Funds Trust, not summed
1,384
42.4
Stratified LargeCap Index ETF
Fund S000084823 · Registered fund · Jun 30, 2026
Exchange Listed Funds Trust, not summed
334
42.5
QRAFT AI-Enhanced U.S. Large Cap ETF
Fund S000065357 · Registered fund · Apr 30, 2026
Exchange Listed Funds Trust, not summed
114
43
Roundhill Memory ETF
Fund S000102337 · Registered fund · Jun 30, 2026
Roundhill ETF Trust, not summed
1,742,555
44
AMCAP Fund
Fund S000008817 · Registered fund · May 31, 2026
AMCAP Fund, not summed
1,727,413
45
BANK OF MONTREAL /CAN/
13F CIK 927971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,634,675
46
WCM INVESTMENT MANAGEMENT, LLC
13F CIK 1061186 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,632,121
47
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,493,593
48
Anther Capital Ltd
13F CIK 2126503 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,411,575
49
DEUTSCHE BANK AG\
13F CIK 948046 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,386,468
49.1
Xtrackers S&P 500 Scored & Screened ETF
Fund S000065220 · Registered fund · Aug 31, 2026
DBX ETF Trust, not summed
24,809
49.2
Xtrackers MSCI USA Climate Action Equity ETF
Fund S000079909 · Registered fund · May 29, 2026
DBX ETF Trust, not summed
15,815
49.3
DWS Capital Growth Fund
Fund S000005705 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENT TRUST, not summed
12,691
49.4
Deutsche DWS Equity 500 Index Portfolio
Fund S000009010 · Registered fund · Jun 30, 2026
DEUTSCHE DWS EQUITY 500 INDEX PORTFOLIO, not summed
10,694
49.5
DWS Large Cap Focus Growth Fund
Fund S000005707 · Registered fund · Jul 31, 2026
DEUTSCHE DWS INVESTMENT TRUST, not summed
6,530
50
National Pension Service
13F CIK 1608046 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,380,902

333 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

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Key facts CIK 106040 CUSIP 958102105 13F (30d) 419 filings 405 filers Visit website Investor relations