Holders
Fund holders
| Name | Date reported | Shares | Value | % Held |
|---|---|---|---|---|
| Vanguard Mid-Cap Index Fund | Dec 31, 2017 | 22.5M | 198.1M | 2.3% |
| Vanguard Total Stock Market Index Fund | Dec 31, 2017 | 22.1M | 194.8M | 2.3% |
| Vanguard 500 Index Fund | Dec 31, 2017 | 14.0M | 123.6M | 1.4% |
| SPDR S&P 500 ETF Trust | Jun 30, 2018 | 9.2M | 123.6M | 0.9% |
| Vanguard Institutional Index Fund-Institutional Index Fund | Dec 31, 2017 | 8.3M | 73.2M | 0.9% |
| College Retirement Equities Fund-Stock Account | Dec 31, 2017 | 7.8M | 69.2M | 0.8% |
| Vanguard Mid-Cap Value Index Fund | Dec 31, 2017 | 7.6M | 67.0M | 0.8% |
| Fidelity Contrafund Inc | Jun 30, 2018 | 6.5M | 88.3M | 0.7% |
| Fidelity 500 Index Fund | Jun 30, 2018 | 5.4M | 73.2M | 0.6% |
| iShares Core S&P 500 ETF | Jun 30, 2018 | 5.3M | 71.4M | 0.5% |