257 essays 1,087 funds measured independent · not paid by any fund or issuer we cover

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 2026-06-30
91 Positions reported
62.1 Effective holdings
1.5× Concentration multiple
27.78% Top ten weight

Computed 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 2026-06-30

VGUS'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

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Between 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.

PeriodHoldingsEffective Top 10Largest
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 2026-06-30

The 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.

#PositionWeightCumulative
1United States Treasury Bill4.55%4.5%
2United States Treasury Bill3.77%8.3%
3United States Treasury Bill2.89%11.2%
4United States Treasury Bill2.47%13.7%
5United States Treasury Bill2.45%16.1%
6United States Treasury Bill2.43%18.6%
7United States Treasury Bill2.39%20.9%
8United States Treasury Bill2.29%23.2%
9United States Treasury Bill2.27%25.5%
10United States Treasury Bill2.27%27.8%
11United States Treasury Bill2.21%30.0%
12United States Treasury Bill2.03%32.0%
13United States Treasury Bill1.98%34.0%
14United States Treasury Bill1.94%35.9%
15United States Treasury Bill1.90%37.8%

Returns the fund reported

2025-02 – 2026-06

Monthly total returns from Item B.5 of VGUS's own filings, 17 months on record. Not computed here and not from a price feed.

3.9%Last twelve months filed
6%Whole series, compounded
0.4%Best month
0.3%Worst month

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 → 2026-06-30

92 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 increases2026-03-312026-06-30Largest decreases2026-03-312026-06-30
United States Treasury Bill1.94%4.55% United States Treasury Note/Bond1.10%0.93%
United States Treasury Bill1.17%3.77% United States Treasury Note/Bond1.03%0.93%
United States Treasury Bill1.18%2.47% United States Treasury Note/Bond1.29%1.20%
United States Treasury Bill1.18%2.45% United States Treasury Note/Bond0.57%0.56%
United States Treasury Bill1.02%2.27% United States Treasury Note/Bond0.63%0.62%
United States Treasury Bill1.18%2.43% United States Treasury Note/Bond1.07%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 2026-06-30

99.89% 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

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Every 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.

FundReportsBehaves likeTop tenAs 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

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