SAN JOSE, CA
WESTERN DIGITAL CORPWDC— Latest position per institution from SEC 13F filings
15
Institutional holders
298.98M
Total shares held
67.71B
Estimated value
14.95M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
42.35M
Value
7.30B
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
35.77M
Value
9.68B
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
31.62M
Value
8.55B
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
28.09M
Value
2.13B
Filed
Jun 30, 2024
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
22.03M
Value
5.96B
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
17.17M
Value
4.65B
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
15.47M
Value
4.18B
Filed
Mar 31, 2026
JPMORGAN CHASE & CO
CIK 19617
Shares
14.30M
Value
2.46B
Filed
Dec 31, 2025
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
11.88M
Value
3.21B
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
9.48M
Value
2.56B
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
9.08M
Value
2.46B
Filed
Mar 31, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
8.49M
Value
2.30B
Filed
Mar 31, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
8.21M
Value
2.22B
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
7.94M
Value
2.15B
Filed
Mar 31, 2026
VIKING GLOBAL INVESTORS LP
CIK 1103804
Shares
7.40M
Value
240.89K
Filed
Sep 30, 2022
WCM INVESTMENT MANAGEMENT, LLC
CIK 1061186
Shares
6.56M
Value
1.65B
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
5.96M
Value
1.61B
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
5.85M
Value
1.58B
Filed
Mar 31, 2026
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
5.76M
Value
1.56B
Filed
Mar 31, 2026
INVESCO LTD.
CIK 914208
Shares
5.57M
Value
1.51B
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 42.35M | 7.30B | Dec 31, 2025 |
| 2 | BLACKROCK, INC. | 2012383 | 35.77M | 9.68B | Mar 31, 2026 |
| 3 | FMR LLC | 315066 | 31.62M | 8.55B | Mar 31, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 28.09M | 2.13B | Jun 30, 2024 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 22.03M | 5.96B | Mar 31, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 17.17M | 4.65B | Mar 31, 2026 |
| 7 | STATE STREET CORP | 93751 | 15.47M | 4.18B | Mar 31, 2026 |
| 8 | JPMORGAN CHASE & CO | 19617 | 14.30M | 2.46B | Dec 31, 2025 |
| 9 | CAPITAL WORLD INVESTORS | 1422849 | 11.88M | 3.21B | Mar 31, 2026 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 9.48M | 2.56B | Mar 31, 2026 |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 9.08M | 2.46B | Mar 31, 2026 |
| 12 | BANK OF AMERICA CORP /DE/ | 70858 | 8.49M | 2.30B | Mar 31, 2026 |
| 13 | JANE STREET GROUP, LLC | 1595888 | 8.21M | 2.22B | Mar 31, 2026 |
| 14 | MORGAN STANLEY | 895421 | 7.94M | 2.15B | Mar 31, 2026 |
| 15 | VIKING GLOBAL INVESTORS LP | 1103804 | 7.40M | 240.89K | Sep 30, 2022 |
| 16 | WCM INVESTMENT MANAGEMENT, LLC | 1061186 | 6.56M | 1.65B | Mar 31, 2026 |
| 17 | GOLDMAN SACHS GROUP INC | 886982 | 5.96M | 1.61B | Mar 31, 2026 |
| 18 | CITADEL ADVISORS LLC | 1423053 | 5.85M | 1.58B | Mar 31, 2026 |
| 19 | AMERIPRISE FINANCIAL INC | 820027 | 5.76M | 1.56B | Mar 31, 2026 |
| 20 | INVESCO LTD. | 914208 | 5.57M | 1.51B | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.