1610 tracked 13F filers disclose a position in WDC as of the latest SEC 13F filings, a combined $97.5B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $9.7B | 35.8M | ▲+0.7% Added · +260K sh | Q1 2026 | |
| 2 | FMR LLC | $8.6B | 31.6M | ▼−6.4% Reduced · −2.2M sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $6.0B | 22.0M | →First observed position No prior filed position | Q1 2026 | |
| 4 | JPMORGAN CHASE & CO | $4.4B | 17.5M | ▲+22% Added · +3.2M sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $4.6B | 17.2M | →First observed position No prior filed position | Q1 2026 | |
| 6 | STATE STREET CORP | $10.4B | 16.3M | ▲+5.2% Added · +811K sh | Q2 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $2.3B | 8.5M | ▼−30% Reduced · −3.6M sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $5.4B | 8.4M | ▼−11% Reduced · −1.1M sh | Q2 2026 | |
| 9 | MORGAN STANLEY | $2.1B | 7.9M | ▼−11% Reduced · −1.0M sh | Q1 2026 | |
| 10 | AMERIPRISE FINANCIAL INC | $1.6B | 5.8M | ▼−32% Reduced · −2.8M sh | Q1 2026 | |
| 11 | GOLDMAN SACHS GROUP INC | $1.5B | 5.4M | ▲+19% Added · +847K sh | Q1 2026 | |
| 12 | NORGES BANK | $788.7M | 4.6M | ▲+33% Added · +1.1M sh | Q4 2025 | |
| 13 | UBS Group AG | $1.1B | 4.2M | ▼−8.1% Reduced · −368K sh | Q1 2026 | |
| 14 | NORTHERN TRUST CORP | $975.5M | 3.6M | ▼−1.8% Reduced · −65K sh | Q1 2026 | |
| 15 | AQR CAPITAL MANAGEMENT LLC | $913.0M | 3.5M | ▲+16% Added · +487K sh | Q1 2026 | |
| 16 | Amundi | $827.4M | 3.1M | ▲+27% Added · +659K sh | Q1 2026 | |
| 17 | Nuveen, LLC | $800.4M | 3.0M | ▼−35% Reduced · −1.6M sh | Q1 2026 | |
| 18 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $785.2M | 2.9M | ▲+3.3% Added · +93K sh | Q1 2026 | |
| 19 | D. E. Shaw & Co., Inc. | $727.1M | 2.7M | ▼−53% Reduced · −3.0M sh | Q1 2026 | |
| 20 | FRED ALGER MANAGEMENT, LLC | $719.5M | 2.7M | ▼−0.9% Reduced · −25K sh | Q1 2026 | |
| 21 | PRICE T ROWE ASSOCIATES INC /MD/ | $715.8M | 2.6M | ▲+1.3% Added · +35K sh | Q1 2026 | |
| 22 | Bank of New York Mellon Corp | $678.6M | 2.5M | ▲+21% Added · +436K sh | Q1 2026 | |
| 23 | DIMENSIONAL FUND ADVISORS LP | $676.8M | 2.5M | ▼−30% Reduced · −1.1M sh | Q1 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $597.0M | 2.2M | ▼−2.6% Reduced · −60K sh | Q1 2026 | |
| 25 | Legal & General Group Plc | $575.9M | 2.1M | ▲+4.7% Added · +96K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 4 funds opened a new position in WDC and 20 added to an existing one, while 20 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 1017 funds | $519.9B |
| MICROSOFT CORPMSFT | 997 funds | $352.9B |
| AMAZON.COM INCAMZN | 990 funds | $268.0B |
| ALPHABET INC-CL AGOOGL | 980 funds | $236.8B |
| APPLE INCAAPL | 979 funds | $395.5B |
| META PLATFORMS INC-CLASS AMETA | 973 funds | $146.6B |
| BROADCOM INCAVGO | 968 funds | $197.6B |
| MICRON TECHNOLOGY INCMU | 966 funds | $74.9B |
| ADVANCED MICRO DEVICESAMD | 936 funds | $56.7B |
| ELI LILLY & COLLY | 935 funds | $110.0B |
| JPMORGAN CHASE & COJPM | 929 funds | $94.1B |
| ALPHABET INC-CL CGOOG | 928 funds | $159.2B |
Ranked by how many of WDC's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 1, 2026 | STREETER STEPHANIE A | Director | Sell (S) | 2K | $728K |
| Aug 31, 2026 | STREETER STEPHANIE A | Director | Sell (S) | 2K | $897K |
| Aug 31, 2026 | STREETER STEPHANIE A | Director | Sell (S) | 2K | $894K |
| Aug 27, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell (S) | 1K | $482K |
| Aug 26, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell (S) | 476 | $215K |
| Aug 24, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell (S) | 684 | $305K |
| Aug 21, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell (S) | 235 | $112K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell (S) | 2K | $1.1M |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell (S) | 989 | $437K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell (S) | 2K | $816K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell (S) | 2K | $836K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell (S) | 5K | $2.1M |
| Class | 13F holders | Value held |
|---|---|---|
| WDCthis pagecs | 1610 funds | $97.5B |
| WDC 3 11/15/28Sovereign/Corporate | 56 funds | $12.4B |
| 958102905CALL | 1 funds | $536K |
| 958102955PUT | 1 funds | $247K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for WDC
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/WDC/capital-change-brief"
Use Arkolith's capital_change_brief for WDC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for WDC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.