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

Fund · Vanguard 0-3 Month Treasury Bill ETF · measured from SEC filings

VBIL holdings

VBIL reports 27 holdings and behaves like 22.4 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
27 Positions reported
22.4 Effective holdings
1.2× Concentration multiple
54.26% 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: 0.04% at a quoted market price (level 1), one issuer country.

What stands out

as of 2026-06-30

VBIL's largest investment is Treasury Bill at 6.78% of net assets. Treasury Bill and Treasury Bill follow; the three together are 18.48%. Ten companies are 54.26% of the fund; the other 17 share the rest. Among the 192 bond funds measured here, VBIL behaves like 22.4 holdings against a median of 236.4 — 11.1 times more concentrated than the median. Across 6 quarterly filings VBIL has held roughly steady since 2025-03-31 (21.4 then, 22.4 now). Between the 2026-03-31 and 2026-06-30 filings 26 positions were added and 26 dropped; 100.0% 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

6

Between 2025-03-31 and 2026-06-30, VBIL went from behaving like 21.4 equally weighted positions to 22.4 — 5% more, while its top ten went from 56.83% to 54.26% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-06-30 27 22.4 54.26% 6.78%
2026-03-31 27 22.3 54.73% 6.38%
2025-12-31 28 23.5 52.37% 5.95%
2025-09-30 27 22.4 54.86% 6.23%
2025-06-30 27 22.6 53.54% 6.58%
2025-03-31 27 21.4 56.83% 7.96%

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 27 positions in VBIL's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: VBIL.csv.gz.

#PositionWeightCumulative
1United States Treasury Bill6.78%6.8%
2United States Treasury Bill6.10%12.9%
3United States Treasury Bill5.61%18.5%
4United States Treasury Bill5.41%23.9%
5United States Treasury Bill5.18%29.1%
6United States Treasury Bill5.17%34.2%
7United States Treasury Bill5.15%39.4%
8United States Treasury Bill5.12%44.5%
9United States Treasury Bill5.03%49.5%
10United States Treasury Bill4.72%54.3%
11United States Treasury Bill4.71%59.0%
12United States Treasury Bill3.66%62.6%
13United States Treasury Bill3.66%66.3%
14United States Treasury Bill3.65%69.9%
15United States Treasury Bill3.63%73.6%

Returns the fund reported

2025-02 – 2026-06

Monthly total returns from Item B.5 of VBIL'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
0.2%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: VBIL.json · all funds.

Since the previous filing

2026-03-31 → 2026-06-30

27 positions became 27: 26 added (100.0% of the fund at the later date), 26 dropped (100.0% at the earlier date). Half the sum of all weight changes, a turnover proxy: 100.0%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of VBIL compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-03-312026-06-30Largest decreases2026-03-312026-06-30
Vanguard Cmt Funds-Vanguard Market Liquidity Fund0.04%0.04%

New: United States Treasury Bill (6.78%), United States Treasury Bill (6.10%), United States Treasury Bill (5.61%), United States Treasury Bill (5.41%), United States Treasury Bill (5.18%), United States Treasury Bill (5.17%). Gone: United States Treasury Bill (6.38%), United States Treasury Bill (5.71%), United States Treasury Bill (5.54%), United States Treasury Bill (5.48%), United States Treasury Bill (5.47%), United States Treasury Bill (5.32%).

Asset categories and pricing

as of 2026-06-30

99.96% debt, 0.04% short-term investment as filed; 0.0% 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

10

Every measured debt fund lined up by how many holdings it behaves like; these sit either side of VBIL (22.4). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund 23 14.9 65.87% 2026-07-31
ZROZ PIMCO 25+ Year Zero Coupon U.S. Treasury Index Exchange-Traded Fund 20 19.8 53.29% 2026-06-30
IBHF iShares iBonds 2026 Term High Yield and Income ETF 117 20.2 42.17% 2026-07-31
IBDR iShares iBonds Dec 2026 Term Corporate ETF 230 21.2 31.6% 2026-07-31
FLGV Franklin U.S. Treasury Bond ETF 49 21.8 57.41% 2026-06-30
IBTK iShares iBonds Dec 2030 Term Treasury ETF 27 22.5 52.83% 2026-07-31
STIP iShares 0-5 Year TIPS Bond ETF 25 23 50.2% 2026-07-31
FTRB Federated Hermes Total Return Bond ETF 696 24.5 47.96% 2026-06-30
AGZ iShares Agency Bond ETF 100 25.5 50.6% 2026-05-31
ULST State Street(R) Ultra Short Term Bond ETF 319 26.1 48.18% 2026-06-30

Essays that examine VBIL

0

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