Holders
Fund holders
| Name | Date reported | Shares | Value | % Held |
|---|---|---|---|---|
| Vanguard Mid-Cap Index Fund | Dec 31, 2017 | 1.8M | 334.2M | 2.2% |
| Vanguard Total Stock Market Index Fund | Dec 31, 2017 | 1.7M | 328.8M | 2.2% |
| Vanguard 500 Index Fund | Dec 31, 2017 | 1.2M | 233.1M | 1.5% |
| SPDR S&P 500 ETF Trust | Jun 30, 2018 | 805.1K | 242.7M | 1% |
| Vanguard Institutional Index Fund-Institutional Index Fund | Dec 31, 2017 | 730.8K | 138.2M | 0.9% |
| Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF | Jun 30, 2018 | 662.4K | 199.7M | 0.8% |
| Vanguard Growth Index Fund | Dec 31, 2017 | 485.9K | 91.9M | 0.6% |
| Fidelity Select Portfolios - Medical Technology & Devices Port | Jun 30, 2018 | 476K | 143.5M | 0.6% |
| Fidelity 500 Index Fund | Jun 30, 2018 | 474.8K | 143.1M | 0.6% |
| iShares Core S&P 500 ETF | Jun 30, 2018 | 464.5K | 140.0M | 0.6% |