Security record · archived quarter
WDC
Western Digital Corporation · Technology · Computer Hardware
19Tracked holders
+1Δ holders
50.55MShares held
$3.01BReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +5.6% ·
share flow -4.6% ·
net new positions +5.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 180 | +6 | 269.24M | $171.73B | +9 | −2 |
| Q1 2026 | 176 | +4 | 311.56M | $74.93B | +5 | −2 |
| Q4 2025 | 171 | +2 | 309.15M | $54.13B | +3 | — |
| Q3 2025 | 22 | -2 | 185.98M | $22.32B | +1 | −4 |
| Q2 2025 | 22 | +1 | 156.23M | $9.99B | +1 | — |
| Q1 2025 | 18 | -1 | 44.90M | $1.81B | +1 | −2 |
| Q4 2024 | 19 | +1 | 50.55M | $3.01B | +1 | — |
| Q3 2024 | 17 | +1 | 38.18M | $2.61B | +3 | −2 |
| Q2 2024 | 16 | — | 48.73M | $3.69B | — | — |
Who holds it · Q4 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 14.78M | — | $881.60M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 14.78M | — | $881.60M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | T. Rowe Price ✦ | 9.03M | -24.4% | $538.69M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 9.03M | -24.4% | $538.69M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 8.75M | +10.4% | $520.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 8.75M | +10.4% | $520.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 5.91M | +1.8% | $352.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 2.89M | +81.9% | $172.23M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 2.89M | +81.9% | $172.23M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 2.89M | +81.9% | $172.23M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 11 | Elliott Investment Management ✦ | 2.25M | 0.0% | $134.17M | 1.5% | Held | 3 | SEC ↗ |
| 12 | PRIMECAP Management ✦ | 1.16M | -0.2% | $69.09M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 13 | Millennium Management ✦ | 1.13M | -56.8% | $67.50M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 14 | Millennium Management ✦ | 1.13M | -56.8% | $67.50M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 15 | Renaissance Technologies ✦ | 912.13K | -25.1% | $54.39M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 16 | Two Sigma Investments ✦ | 789.88K | -42.1% | $47.10M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 17 | Two Sigma Investments ✦ | 789.88K | -42.1% | $47.10M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 18 | Glenview Capital ✦ | 698.82K | +60.9% | $41.67M | 1.1% | ▲ Add | 2 | SEC ↗ |
| 19 | Marshall Wace ✦ | 496.33K | +71.8% | $29.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Marshall Wace ✦ | 496.33K | +71.8% | $29.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | Marshall Wace ✦ | 496.33K | +71.8% | $29.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Duquesne Family Office ✦ | 417.16K | +484.2% | $24.88M | 0.7% | ▲ Add | 2 | SEC ↗ |
| 23 | D. E. Shaw & Co. ✦ | 384.93K | -39.3% | $22.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | D. E. Shaw & Co. ✦ | 384.93K | -39.3% | $22.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | D. E. Shaw & Co. ✦ | 384.93K | -39.3% | $22.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Gotham Asset Management ✦ | 321.93K | +51.6% | $19.20M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 27 | Adage Capital Partners ✦ | 273.04K | -20.3% | $16.28M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 251.82K | -8.3% | $15.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 251.82K | -8.3% | $15.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 251.82K | -8.3% | $15.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 251.82K | -8.3% | $15.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Wellington Management ✦ | 75.84K | +56.4% | $4.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Wellington Management ✦ | 75.84K | +56.4% | $4.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Wellington Management ✦ | 75.84K | +56.4% | $4.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Wellington Management ✦ | 75.84K | +56.4% | $4.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Point72 Asset Management ✦ | 20.00K | New | $1.19M | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $1.19M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 18.70K shares, $5,058 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 06
SC 13G/A — FMR LLC
Jul 31
SC 13G/A — VANGUARD PORTFOLIO MANAGEMENT LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2024 ·
Methodology ·
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