As of 31 Dec 2025, 268 institutional investors reported holding 25,577,127 shares of VANGUARD INSTL INDEX FD - 0-3 MO TREAS BIL (VBIL).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 25,577,127 | $1,929,314,559 | +$492,353,073 | $75.43 | 268 |
| 2025 Q3 | 18,770,922 | $1,418,516,923 | +$675,358,010 | $75.62 | 200 |
| 2025 Q2 | 9,843,962 | $743,656,963 | +$653,817,876 | $75.55 | 131 |
| 2025 Q1 | 1,176,390 | $88,745,482 | +$88,745,482 | $75.44 | 48 |