Security record · archived quarter
WDC
Western Digital Corporation · Technology · Computer Hardware
18Tracked holders
-1Δ holders
44.90MShares held
$1.81BReported value
+1New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -5.3% ·
share flow -11.2% ·
net new positions -5.6%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
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 · Q1 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 14.90M | +0.8% | $602.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 14.90M | +0.8% | $602.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 9.12M | +4.3% | $367.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 9.12M | +4.3% | $367.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 5.50M | -39.1% | $222.50M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 5.50M | -39.1% | $222.50M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 5.03M | -14.8% | $203.56M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 3.90M | +34.9% | $157.55M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 3.90M | +34.9% | $157.55M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 3.90M | +34.9% | $157.55M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 11 | Elliott Investment Management ✦ | 2.25M | 0.0% | $90.97M | 0.8% | Held | 4 | SEC ↗ |
| 12 | PRIMECAP Management ✦ | 1.12M | -3.2% | $45.34M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | Glenview Capital ✦ | 786.43K | +12.5% | $31.80M | 0.8% | ▲ Add | 3 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 591.92K | -25.1% | $23.93M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 15 | Two Sigma Investments ✦ | 591.92K | -25.1% | $23.93M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 447.43K | +77.7% | $17.70M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 447.43K | +77.7% | $17.70M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 447.43K | +77.7% | $17.70M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 447.43K | +77.7% | $17.70M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 447.43K | +77.7% | $17.70M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Gotham Asset Management ✦ | 366.85K | +13.9% | $14.83M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 22 | Soros Fund Management ✦ | 350.00K | New | $14.15M | 0.4% | New | 1 | SEC ↗ |
| 23 | Adage Capital Partners ✦ | 242.44K | -11.2% | $9.80M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 24 | Millennium Management ✦ | 85.55K | -92.4% | $3.46M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 25 | Millennium Management ✦ | 85.55K | -92.4% | $3.46M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 26 | Wellington Management ✦ | 76.94K | +1.5% | $3.11M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Wellington Management ✦ | 76.94K | +1.5% | $3.11M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | Wellington Management ✦ | 76.94K | +1.5% | $3.11M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Wellington Management ✦ | 76.94K | +1.5% | $3.11M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 30 | Renaissance Technologies ✦ | 69.93K | -92.3% | $2.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Marshall Wace ✦ | 33.80K | -93.2% | $1.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 32 | Marshall Wace ✦ | 33.80K | -93.2% | $1.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 33 | D. E. Shaw & Co. ✦ | 29.30K | -92.4% | $1.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 34 | D. E. Shaw & Co. ✦ | 29.30K | -92.4% | $1.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 35 | D. E. Shaw & Co. ✦ | 29.30K | -92.4% | $1.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Soros Fund Management | $14.15M | 0.4% |
Exited
| Duquesne Family Office | $24.88M | was 0.7% |
| Point72 Asset Management | $1.19M | was 0.0% |
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: Q1 2025 ·
Methodology ·
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