VIMSX Holdings — Vanguard Mid-Cap Index Fund
Data updated: 2026-08-28
VIMSX holds 295 securities. The top 10 make up 9.5% of net assets, led by Vertiv Holding-A (1.22%) and Western Digital (1.06%). Industrials (21.2%) and Information Technology (16.4%) are the largest sectors, and 100.2% of the portfolio is in United States. No debt holdings are reported.
Holdings cover 100.21% of net asset value (100.11% of total assets). As of June 30, 2026 · N-PORT.
VIMSX Portfolio Holdings
295 holdings of Vanguard Mid-Cap Index Fund by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026. The 100 largest are listed below; the interactive table on this page lists all 295.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| Vertiv Holding-A | VRT | Industrials | 1.22% | $2.74B |
| Western Digital | WDC | Information Technology | 1.06% | $2.39B |
| Seagate Technolo | STX | Information Technology | 1.05% | $2.34B |
| Quanta Services | PWR | Industrials | 1.04% | $2.34B |
| Howmet Aerospace | HWM | Industrials | 1.04% | $2.33B |
| Cummins, Inc. | CMI | Industrials | 0.95% | $2.13B |
| Datadog, Inc.-A | DDOG | Information Technology | 0.83% | $1.87B |
| Bloom Energy C-A | BE | Industrials | 0.79% | $1.77B |
| Constellation En | CEG | Utilities | 0.78% | $1.75B |
| Robinhood Mark-A | HOOD | Financials | 0.77% | $1.72B |
| Cloudflare, Inc.-A | NET | Information Technology | 0.76% | $1.70B |
| Valero Energy | VLO | Energy | 0.75% | $1.68B |
| Coherent Corp. | COHR | Information Technology | 0.75% | $1.67B |
| Royal Caribbean | RCL | Consumer Discretionary | 0.74% | $1.66B |
| Teradyne, Inc. | TER | Information Technology | 0.73% | $1.64B |
| Marathon Petrole | MPC | Energy | 0.72% | $1.62B |
| Transdigm Group | TDG | Industrials | 0.72% | $1.61B |
| Crh PLC | CRH | Materials | 0.69% | $1.55B |
| United Rentals | URI | Industrials | 0.69% | $1.54B |
| Comfort Systems | FIX | Industrials | 0.67% | $1.51B |
| Slb Ltd. | SLB | Energy | 0.67% | $1.51B |
| General Motors C | GM | Consumer Discretionary | 0.67% | $1.51B |
| Ciena Corp. | CIEN | Information Technology | 0.67% | $1.50B |
| Motorola Solutio | MSI | Information Technology | 0.67% | $1.49B |
| Simon Property | SPG | Real Estate | 0.67% | $1.49B |
| Ross Stores, Inc. | ROST | Consumer Discretionary | 0.66% | $1.49B |
| Doordash, Inc.-A | DASH | Consumer Discretionary | 0.66% | $1.48B |
| Phillips 66 | PSX | Energy | 0.66% | $1.47B |
| Lumentum Hol | LITE | Information Technology | 0.65% | $1.45B |
| Monolithic Power | MPWR | Information Technology | 0.62% | $1.40B |
| Warner Bros Disc | WBD | Communication Services | 0.61% | $1.38B |
| Paccar, Inc. | PCAR | Industrials | 0.61% | $1.37B |
| Digital Realty | DLR | Real Estate | 0.61% | $1.37B |
| Allstate Corp. | ALL | Financials | 0.59% | $1.33B |
| Ww Grainger, Inc. | GWW | Industrials | 0.59% | $1.32B |
| Sempra | SRE | Utilities | 0.59% | $1.31B |
| Dominion Energy | D | Utilities | 0.58% | $1.30B |
| Hewlett Packa | HPE | Information Technology | 0.58% | $1.30B |
| Keysight Tec | KEYS | Information Technology | 0.58% | $1.30B |
| Target Corp. | TGT | Consumer Staples | 0.57% | $1.29B |
| Arthur J Gallagh | AJG | Financials | 0.57% | $1.28B |
| Te Connectivity | TEL | Information Technology | 0.57% | $1.28B |
| Rocket Lab Corp. | RKLB | Industrials | 0.57% | $1.27B |
| Delta Air Li | DAL | Industrials | 0.57% | $1.27B |
| Carrier Glob | CARR | Industrials | 0.56% | $1.25B |
| Realty Income | O | Real Estate | 0.56% | $1.25B |
| Targa Resources | TRGP | Energy | 0.56% | $1.25B |
| Corteva, Inc. | CTVA | Materials | 0.55% | $1.23B |
| Cardinal Health | CAH | Health Care | 0.54% | $1.21B |
| Ametek, Inc. | AME | Industrials | 0.54% | $1.20B |
| Fastenal Co. | FAST | Industrials | 0.53% | $1.19B |
| Rockwell Automat | ROK | Industrials | 0.53% | $1.19B |
| Baker Hughes Co. | BKR | Energy | 0.53% | $1.19B |
| Entergy Corp. | ETR | Utilities | 0.53% | $1.19B |
| Oneok, Inc. | OKE | Energy | 0.53% | $1.19B |
| Ford Motor Co. | F | Consumer Discretionary | 0.53% | $1.18B |
| L3harris Technol | LHX | Industrials | 0.52% | $1.17B |
| Aflac, Inc. | AFL | Financials | 0.52% | $1.16B |
| Vistra Corp. | VST | Utilities | 0.52% | $1.16B |
| Autozone, Inc. | AZO | Consumer Discretionary | 0.51% | $1.14B |
| Cencora, Inc. | — | Health Care | 0.51% | $1.13B |
| Edwards Life | EW | Health Care | 0.50% | $1.13B |
| Electronic Arts | EA | Communication Services | 0.50% | $1.11B |
| Fifth Third Banc | FITB | Financials | 0.49% | $1.11B |
| Nucor Corp. | NUE | Materials | 0.49% | $1.10B |
| Public Storage | PSA | Real Estate | 0.49% | $1.09B |
| Xcel Energy, Inc. | XEL | Utilities | 0.48% | $1.09B |
| Cheniere Energy | LNG | Energy | 0.48% | $1.09B |
| Newmont Corp. | NEM | Materials | 0.48% | $1.08B |
| Ebay, Inc. | EBAY | Consumer Discretionary | 0.48% | $1.08B |
| Microchip Tech | MCHP | Information Technology | 0.48% | $1.07B |
| Fortinet, Inc. | FTNT | Information Technology | 0.46% | $1.04B |
| Exelon Corp. | EXC | Utilities | 0.46% | $1.03B |
| Humana, Inc. | HUM | Health Care | 0.46% | $1.03B |
| Devon Energy Co. | DVN | Energy | 0.46% | $1.03B |
| Metlife, Inc. | MET | Financials | 0.45% | $1.00B |
| Ferguson Enterpr | FERG | Industrials | 0.45% | $997.35M |
| Wabtec Corp. | WAB | Industrials | 0.44% | $991.22M |
| Williams Cos, Inc. | WMB | Energy | 0.44% | $984.93M |
| Carvana Co. | CVNA | Consumer Discretionary | 0.43% | $970.49M |
| State St Corp. | STT | Financials | 0.43% | $966.17M |
| Johnson Controls | JCI | Industrials | 0.43% | $965.76M |
| United Airlines | UAL | Industrials | 0.43% | $956.62M |
| Take-Two Interac | TTWO | Communication Services | 0.43% | $955.40M |
| Yum! Brands, Inc. | YUM | Consumer Discretionary | 0.43% | $954.76M |
| Chipotle Mexican | CMG | Consumer Discretionary | 0.42% | $945.03M |
| Ventas, Inc. | VTR | Real Estate | 0.42% | $935.40M |
| Axon Enterprise | AXON | Industrials | 0.42% | $930.14M |
| Waste Connection | WCN | Industrials | 0.41% | $921.85M |
| Keurig Dr Pepper | KDP | Consumer Staples | 0.41% | $916.68M |
| Snowflake, Inc. | SNOW | Information Technology | 0.41% | $907.86M |
| Becton Dickinson | BDX | Health Care | 0.40% | $903.47M |
| Ameriprise Finan | AMP | Financials | 0.40% | $901.51M |
| Dr Horton, Inc. | DHI | Consumer Discretionary | 0.40% | $900.77M |
| Idexx Labs | IDXX | Health Care | 0.40% | $899.80M |
| Autodesk, Inc. | ADSK | Information Technology | 0.40% | $889.47M |
| Cons Edison, Inc. | ED | Utilities | 0.39% | $883.45M |
| Block, Inc. | XYZ | Financials | 0.39% | $881.34M |
| Old Dominion Frt | ODFL | Industrials | 0.39% | $878.42M |
| Pub Serv Enterp | PEG | Utilities | 0.39% | $876.39M |
VIMSX Sector Allocation
Vanguard Mid-Cap Index Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Industrials | 21.2% | 55 |
| Information Technology | 16.4% | 41 |
| Financials | 13.6% | 43 |
| Consumer Discretionary | 8.6% | 24 |
| Utilities | 8.4% | 24 |
| Health Care | 7.8% | 26 |
| Energy | 7.3% | 16 |
| Real Estate | 5.0% | 13 |
| Consumer Staples | 4.5% | 17 |
| Materials | 4.2% | 14 |
| Communication Services | 2.5% | 9 |
| Funds & ETFs | 0.5% | 2 |
| Unknown | 0.0% | 11 |
VIMSX Country Allocation
Where Vanguard Mid-Cap Index Fund's holdings are domiciled, by percentage of net assets (largest 2).
| Country | % of net assets |
|---|---|
| United States | 100.2% |
| Unknown | 0.0% |
VIMSX Portfolio Allocation
Asset-class allocation of Vanguard Mid-Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.7% |
| Cash & Equivalents | 0.5% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.