Fund · Vanguard Ultra-Short Treasury ETF · measured from SEC filings
VGUS holdings
VGUS reports 91 holdings and behaves like 62.1 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-06-30. The fact sheet publishes the first number; this page computes the second, and traces it across 6 quarters of filings.
Measured concentration
as of 2026-06-30Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 0.11% at a quoted market price (level 1), one issuer country.
What stands out
as of 2026-06-30VGUS's largest investment is Treasury Bill at 4.53% of net assets. Treasury Bill and Treasury Bill follow; the three together are 11.17%. Ten companies are 27.78% of the fund; the other 81 share the rest. Among the 192 bond funds measured here, VGUS behaves like 62.1 holdings against a median of 236.4 — 3.8 times more concentrated than the median. Across 6 quarterly filings VGUS has held roughly steady since 2025-03-31 (60.1 then, 62.1 now). Between the 2026-03-31 and 2026-06-30 filings 38 positions were added and 39 dropped; 58.2% of the weight moved.
Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable bond funds on this site. Nothing here is a view on the fund.
Every filing since 2025
6Between 2025-03-31 and 2026-06-30, VGUS went from behaving like 60.1 equally weighted positions to 62.1 — 3% more, while its top ten went from 29.43% to 27.78% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-06-30 | 91 | 62.1 | 27.78% | 4.55% |
| 2026-03-31 | 92 | 61.5 | 28.89% | 3.79% |
| 2025-12-31 | 93 | 63.2 | 27.74% | 3.58% |
| 2025-09-30 | 91 | 61.1 | 28.84% | 4.36% |
| 2025-06-30 | 92 | 61.7 | 28.03% | 4.4% |
| 2025-03-31 | 93 | 60.1 | 29.43% | 3.73% |
One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.
Largest positions, as filed
as of 2026-06-30The 15 largest of 91 positions in VGUS's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: VGUS.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | United States Treasury Bill | 4.55% | 4.5% |
| 2 | United States Treasury Bill | 3.77% | 8.3% |
| 3 | United States Treasury Bill | 2.89% | 11.2% |
| 4 | United States Treasury Bill | 2.47% | 13.7% |
| 5 | United States Treasury Bill | 2.45% | 16.1% |
| 6 | United States Treasury Bill | 2.43% | 18.6% |
| 7 | United States Treasury Bill | 2.39% | 20.9% |
| 8 | United States Treasury Bill | 2.29% | 23.2% |
| 9 | United States Treasury Bill | 2.27% | 25.5% |
| 10 | United States Treasury Bill | 2.27% | 27.8% |
| 11 | United States Treasury Bill | 2.21% | 30.0% |
| 12 | United States Treasury Bill | 2.03% | 32.0% |
| 13 | United States Treasury Bill | 1.98% | 34.0% |
| 14 | United States Treasury Bill | 1.94% | 35.9% |
| 15 | United States Treasury Bill | 1.90% | 37.8% |
Returns the fund reported
2025-02 – 2026-06Monthly total returns from Item B.5 of VGUS's own filings, 17 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference — percentage points over 0 months, which is roughly the distributions. Every month with the filing it came from: VGUS.json · all funds.
Since the previous filing
2026-03-31 → 2026-06-3092 positions became 91: 38 added (39.4% of the fund at the later date), 39 dropped (57.8% at the earlier date). Half the sum of all weight changes, a turnover proxy: 58.2%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of VGUS compared this way, as a feed: changes.xml · all funds: filings received.
| Largest increases | 2026-03-31 | 2026-06-30 | Largest decreases | 2026-03-31 | 2026-06-30 |
|---|---|---|---|---|---|
| United States Treasury Bill | 1.94% | 4.55% | United States Treasury Note/Bond | 1.10% | 0.93% |
| United States Treasury Bill | 1.17% | 3.77% | United States Treasury Note/Bond | 1.03% | 0.93% |
| United States Treasury Bill | 1.18% | 2.47% | United States Treasury Note/Bond | 1.29% | 1.20% |
| United States Treasury Bill | 1.18% | 2.45% | United States Treasury Note/Bond | 0.57% | 0.56% |
| United States Treasury Bill | 1.02% | 2.27% | United States Treasury Note/Bond | 0.63% | 0.62% |
| United States Treasury Bill | 1.18% | 2.43% | United States Treasury Note/Bond | 1.07% | 1.06% |
New: United States Treasury Bill (2.39%), United States Treasury Bill (2.27%), United States Treasury Bill (2.03%), United States Treasury Bill (1.25%), United States Treasury Bill (1.25%), United States Treasury Bill (1.24%). Gone: United States Treasury Bill (3.79%), United States Treasury Bill (3.73%), United States Treasury Bill (3.24%), United States Treasury Bill (3.22%), United States Treasury Bill (2.54%), United States Treasury Bill (2.52%).
Asset categories and pricing
as of 2026-06-3099.89% debt, 0.11% short-term investment as filed; 0.1% carried at a quoted market price (fair-value level 1). Categories and levels are the filer's; what a low level-1 share does and does not mean is in the measure's page.
Neighbours by effective holdings, debt funds
10Every measured debt fund lined up by how many holdings it behaves like; these sit either side of VGUS (62.1). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| IBTI iShares iBonds Dec 2028 Term Treasury ETF | 46 | 42.3 | 26.99% | 2026-07-31 |
| XTEN BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF | 70 | 45.7 | 34.06% | 2026-07-31 |
| IBTH iShares iBonds Dec 2027 Term Treasury ETF | 52 | 45.9 | 27.43% | 2026-07-31 |
| BSJR Invesco BulletShares 2027 High Yield Corporate Bond ETF | 103 | 47 | 30.71% | 2026-05-31 |
| EVTR Eaton Vance Total Return Bond ETF | 905 | 48.8 * | 38.31% | 2026-06-30 |
| TBLL Invesco Short Term Treasury ETF | 83 | 62.5 | 24.65% | 2026-05-31 |
| PRIV State Street(R) IG Public & Private Credit ETF | 347 | 68.7 | 30.66% | 2026-07-31 |
| IEI iShares 3-7 Year Treasury Bond ETF | 84 | 70.7 | 22.23% | 2026-05-31 |
| JFLX JPMorgan Flexible Debt ETF | 1,630 | 73.4 * | 22.52% | 2026-05-31 |
| VGLT Vanguard Long-Term Treasury Index Fund | 98 | 75.1 | 21.65% | 2026-05-31 |
Essays that examine VGUS
0Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.