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

Fund · Dimensional National Municipal Bond ETF · measured from SEC filings

DFNM holdings

DFNM reports 1,200 holdings and behaves like 538 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-07-31. The fact sheet publishes the first number; this page computes the second, and traces it across 18 quarters of filings.

Measured concentration

as of 2026-07-31
1,200 Positions reported
538 Effective holdings
2.2× Concentration multiple
6.03% 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 2026-07-31

DFNM's largest investment is County OF Hudson NJ at 0.87% of net assets. School District OF Broward County FL and City OF Hoboken NJ follow; the three together are 2.4%. Ten companies are 6.03% of the fund; the other 1,190 share the rest. Among the 192 bond funds measured here, DFNM behaves like 538 holdings against a median of 236.4 — 2.3 times the median. Across 18 quarterly filings DFNM has become less concentrated: it behaved like 239.5 at 2022-01-31 and 509.9 at 2026-04-30. Between the 2026-01-31 and 2026-04-30 filings 86 positions were added and 68 dropped; 10.6% 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 2022

18

Between 2022-07-31 and 2026-04-30, DFNM went from behaving like 239.5 equally weighted positions to 509.9 — 113% more, while its top ten went from 11.59% to 6.53% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-04-30 1,147 509.9 6.53% 0.87%
2026-01-31 1,129 513 6.33% 0.85%
2025-10-31 1,087 515.8 6.12% 0.91%
2025-07-31 1,057 507.2 6.29% 1.01%
2025-04-30 1,025 479.6 6.52% 0.97%
2025-01-31 1,001 457.1 6.8% 0.96%
2024-10-31 994 437.1 7.34% 1.1%
2024-07-31 993 423.9 7.56% 1.14%
Earlier filings (10 more, back to 2022-01-31)
PeriodHoldingsEffectiveTop 10Largest
2024-04-30 979 428.1 7.05% 1.02%
2024-01-31 968 405.5 7.62% 1.23%
2023-10-31 905 289.6 10.15% 3.12%
2023-07-31 863 363.8 7.77% 1.28%
2023-04-30 822 337.7 8.49% 1.46%
2023-01-31 802 233.2 11.65% 3.66%
2022-10-31 715 278.3 9.62% 1.22%
2022-07-31 607 239.5 11.59% 1.52%
2022-04-30 * 445 186.9 13.62% 2.15%
2022-01-31 * 266 149.2 14.3% 1.91%

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 2026-04-30

The 15 largest of 1,200 positions in DFNM's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: DFNM.csv.gz.

#PositionWeightCumulative
1HUDSON CNTY N J0.87%0.9%
2BROWARD CNTY FLA SCH DIST0.81%1.7%
3HOBOKEN N J0.73%2.4%
4SUFFOLK CNTY N Y0.72%3.1%
5MICHIGAN ST UNIV REVS0.65%3.8%
6MANCHESTER N H0.64%4.4%
7MARYLAND ST0.55%5.0%
8NEW MEXICO ST0.53%5.5%
9FAIRFAX CNTY VA0.53%6.0%
10MIAMI-DADE CNTY FLA0.51%6.5%
11WISCONSIN ST0.49%7.0%
12COLORADO ST ED LN PROG0.49%7.5%
13DANBURY CONN0.48%8.0%
14COBB CNTY GA SCH DIST0.48%8.5%
15UNIVERSITY HOUSTON TEX UNIV REVS0.47%8.9%

Returns the fund reported

2021-11 – 2026-04

Monthly total returns from Item B.5 of DFNM's own filings, 54 months on record. Not computed here and not from a price feed.

5.0%Last twelve months filed
6%Whole series, compounded
3.7%Best month
-2.4%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: DFNM.json · all funds.

Since the previous filing

2026-01-31 → 2026-04-30

1,129 positions became 1,147: 86 added (10.3% of the fund at the later date), 68 dropped (5.1% at the earlier date). Half the sum of all weight changes, a turnover proxy: 10.6%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of DFNM compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-01-312026-04-30Largest decreases2026-01-312026-04-30
NEW YORK ST DORM AUTH SALES TAX REV ST SUPPORTED DEBT0.13%0.34% LOUISVILLE & JEFFERSON CNTY KY METRO GOVT HEALTH SYS REV0.62%0.08%
City of New York0.08%0.11% MARYLAND ST HEALTH & HIGHER EDL FACS AUTH REV0.39%0.02%
BlackRock Liquidity Funds: MuniCash; Institutional Shares0.05%0.05% BROWARD CNTY FLA SCH DIST0.85%0.81%
CLARKE CNTY GA SCH DIST0.02%0.02% MARYLAND ST0.59%0.55%
DALLAS CNTY TEX CMNTY COLLEGE DIST0.09%0.10% MICHIGAN ST UNIV REVS0.68%0.65%
SOUTHEASTERN PA TRANSN AUTH REV0.01%0.02% City of New York0.33%0.29%

New: HUDSON CNTY N J (0.87%), HOBOKEN N J (0.73%), DANBURY CONN (0.48%), UNIVERSITY HOUSTON TEX UNIV REVS (0.47%), CHARLOTTE-MECKLENBERG HOSP AUTH N C HEALTH CARE SYS REV (0.35%), ESSEX CNTY N J IMPT AUTH LEASE REV (0.33%). Gone: BEAUFORT CNTY S C SCH DIST (0.34%), HOBOKEN N J (0.30%), FORT BEND CNTY TEX (0.25%), BEAUFORT CNTY S C SCH DIST (0.22%), ROCHESTER N Y (0.22%), FORT WORTH TEX (0.20%).

Asset categories and pricing

as of 2026-07-31

99.86% debt, 0.14% 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

10

Every measured debt fund lined up by how many holdings it behaves like; these sit either side of DFNM (538). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
SPSB State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF 1,601 463.5 6.92% 2026-06-30
EUSB iShares ESG Advanced Universal USD Bond ETF 4,233 479.3 6.99% 2026-05-31
MLN VanEck Long Muni ETF 654 485.5 5.4% 2026-07-31
VCRB Vanguard Core Bond ETF 3,486 501.4 8.36% 2026-06-30
VWOB Vanguard Emerging Markets Government Bond Index Fund 935 532.4 6.58% 2026-07-31
AGG iShares Core U.S. Aggregate Bond ETF 13,268 562.7 6.3% 2026-05-31
VCRM Vanguard Core Tax-Exempt Bond ETF 2,404 571.2 7.13% 2026-07-31
AGGY WisdomTree Yield Enhanced U.S. Aggregate Bond Fund 2,140 582.6 8.16% 2026-05-31
SHM State Street(R) SPDR Nuveen ICE Short Term Municipal Bond ETF 1,045 604 5.36% 2026-06-30
PWZ Invesco California AMT-Free Municipal Bond ETF 1,158 608.2 5.92% 2026-05-31

Essays that examine DFNM

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