WESTERN DIGITAL CORP (WDC): Institutional Ownership
Hedge funds and institutional managers reporting a position in WDC · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
36
13F filers
Aggregate Value
$2.0B
Across holders
Last Price
$586.45
2026-06-26
Sector
Information Technology
GICS
Holder activity12 new6 added17 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Soroban Capital Partners LLC CIK 0001517857 | Hedge Fund | 1.15M | $310.1M | 15.6% | 0.6% | Unchanged | +$0 | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.15M | $310.0M | 15.6% | 0.5% | Added | +$41.5M | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 762K | $206.1M | 10.4% | 0.5% | Reduced | $-46.8M | Q1 2026 |
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 577K | $156.1M | 7.8% | 0.1% | Reduced | $-47.7M | Q1 2026 |
| Aspex Management (HK) Ltd CIK 0001768375 | Hedge Fund | 2.04M | $154.9M | 7.8% | 3.3% | New | — | Q2 2024 |
| Whale Rock Capital Management LLC CIK 0001387322 | Hedge Fund | 412K | $111.4M | 5.6% | 1.4% | New | — | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 368K | $99.5M | 5.0% | 0.3% | Reduced | $-37.6M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 294K | $79.5M | 4.0% | 0.1% | Added | +$9.5M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 290K | $78.5M | 3.9% | 0.1% | Added | +$70.7M | Q1 2026 |
| XN LP CIK 0001756558 | Hedge Fund | 275K | $74.5M | 3.7% | 2.7% | New | — | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 249K | $67.4M | 3.4% | 0.3% | Added | +$47.8M | Q1 2026 |
| Saba Capital Management, L.P. CIK 0001510281 | Hedge Fund | 559K | $67.1M | 3.4% | 1.8% | New | — | Q3 2025 |
| Rokos Capital Management LLP CIK 0001666335 | Hedge Fund | 198K | $53.7M | 2.7% | 0.4% | Added | +$32.1M | Q1 2026 |
| GLENVIEW CAPITAL MANAGEMENT LLC CIK 0001138995 | Hedge Fund | 601K | $38.4M | 1.9% | 1.1% | New | — | Q2 2025 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 129K | $34.8M | 1.7% | 0.1% | Reduced | $-22.4M | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 114K | $30.8M | 1.5% | 0.2% | Reduced | $-25.8M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 94K | $25.4M | 1.3% | 0.0% | Reduced | $-1.4B | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 82K | $22.0M | 1.1% | 0.0% | Reduced | $-30.4M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 49K | $13.3M | 0.7% | 0.1% | Reduced | $-15.6M | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 42K | $11.4M | 0.6% | 0.1% | New | — | Q1 2026 |
Unchanged
Hedge Fund
$310.1M· 15.6% of total· 0.6% port· 1.15M sh· +$0 QoQ· Q1 2026
Added
Hedge Fund
$310.0M· 15.6% of total· 0.5% port· 1.15M sh· +$41.5M QoQ· Q1 2026
Reduced
Hedge Fund
$206.1M· 10.4% of total· 0.5% port· 762K sh· $-46.8M QoQ· Q1 2026
Reduced
Institutional Manager
$156.1M· 7.8% of total· 0.1% port· 577K sh· $-47.7M QoQ· Q1 2026
New
Hedge Fund
$154.9M· 7.8% of total· 3.3% port· 2.04M sh· — QoQ· Q2 2024
New
Hedge Fund
$111.4M· 5.6% of total· 1.4% port· 412K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$99.5M· 5.0% of total· 0.3% port· 368K sh· $-37.6M QoQ· Q1 2026
Added
Hedge Fund
$79.5M· 4.0% of total· 0.1% port· 294K sh· +$9.5M QoQ· Q1 2026
Added
Hedge Fund
$78.5M· 3.9% of total· 0.1% port· 290K sh· +$70.7M QoQ· Q1 2026
New
Hedge Fund
$74.5M· 3.7% of total· 2.7% port· 275K sh· — QoQ· Q1 2026
Added
Hedge Fund
$67.4M· 3.4% of total· 0.3% port· 249K sh· +$47.8M QoQ· Q1 2026
New
Hedge Fund
$67.1M· 3.4% of total· 1.8% port· 559K sh· — QoQ· Q3 2025
Added
Hedge Fund
$53.7M· 2.7% of total· 0.4% port· 198K sh· +$32.1M QoQ· Q1 2026
New
Hedge Fund
$38.4M· 1.9% of total· 1.1% port· 601K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$34.8M· 1.7% of total· 0.1% port· 129K sh· $-22.4M QoQ· Q1 2026
Reduced
Hedge Fund
$30.8M· 1.5% of total· 0.2% port· 114K sh· $-25.8M QoQ· Q1 2026
Reduced
Hedge Fund
$25.4M· 1.3% of total· 0.0% port· 94K sh· $-1.4B QoQ· Q1 2026
Reduced
Hedge Fund
$22.0M· 1.1% of total· 0.0% port· 82K sh· $-30.4M QoQ· Q1 2026
Reduced
Hedge Fund
$13.3M· 0.7% of total· 0.1% port· 49K sh· $-15.6M QoQ· Q1 2026
New
Hedge Fund
$11.4M· 0.6% of total· 0.1% port· 42K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$9.8M· 0.5% of total· 0.1% port· 36K sh· $-67.6M QoQ· Q1 2026
New
Family Office
$8.6M· 0.4% of total· 0.1% port· 134K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$5.9M· 0.3% of total· 0.0% port· 22K sh· $-6.3M QoQ· Q1 2026
Reduced
Hedge Fund
$5.2M· 0.3% of total· 0.0% port· 19K sh· $-57.0M QoQ· Q1 2026
Added
Institutional Manager
$4.1M· 0.2% of total· 0.0% port· 15K sh· +$837K QoQ· Q1 2026
Reduced
Hedge Fund
$3.9M· 0.2% of total· 0.0% port· 14K sh· $-3.2M QoQ· Q1 2026
New
Hedge Fund
$3.3M· 0.2% of total· 0.0% port· 12K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$2.5M· 0.1% of total· 0.0% port· 37K sh· $-1.1M QoQ· Q3 2024
Reduced
Hedge Fund
$711K· 0.0% of total· 0.0% port· 1K sh· $-76K QoQ· Q1 2026
New
Hedge Fund
$238K· 0.0% of total· 0.0% port· 880 sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$233K· 0.0% of total· 0.0% port· 862 sh· $-1.5M QoQ· Q1 2026
Reduced
Hedge Fund
$223K· 0.0% of total· 0.0% port· 826 sh· $-2.8M QoQ· Q1 2026
New
Family Office
$215K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$36K· 0.0% of total· 0.0% port· 136 sh· $-752.8M QoQ· Q1 2026
New
Hedge Fund
$2K· 0.0% of total· 0.0% port· 14 sh· — QoQ· Q4 2025
New
Hedge Fund
$40· 0.0% of total· 0.0% port· 1 sh· — QoQ· Q1 2025
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