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

Fund · PIMCO Short Term Municipal Bond Active Exchange-Traded Fund · measured from SEC filings

SMMU holdings

SMMU reports 353 holdings and behaves like 178.7 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 28 quarters of filings.

Measured concentration

as of 2026-06-30
353 Positions reported
178.7 Effective holdings
2× Concentration multiple
14.02% 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% at a quoted market price (level 1), one issuer country, 0.2% restricted securities.

What stands out

as of 2026-06-30

SMMU's largest investment is U.S. Treasury Notes at 2.24% of net assets. U.S. Treasury Notes and Connecticut State Health & Educational Facilities Authority follow; the three together are 5.8%. Ten companies are 14.02% of the fund; the other 343 share the rest. Among the 192 bond funds measured here, SMMU behaves like 178.7 holdings against a median of 236.4 — close to the median. Across 28 quarterly filings SMMU has become less concentrated: it behaved like 95.6 at 2019-09-30 and 178.7 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 65 positions were added and 42 dropped; 22.9% 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 2019

28

Between 2019-09-30 and 2026-06-30, SMMU went from behaving like 95.6 equally weighted positions to 178.7 — 87% more, while its top ten went from 17.97% to 14.02% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-06-30 353 178.7 14.02% 2.24%
2026-03-31 329 160.2 15.73% 2.48%
2025-12-31 335 191.1 12.86% 1.77%
2025-09-30 331 170.4 14.76% 2.77%
2025-06-30 324 178.7 13.71% 2.05%
2025-03-31 273 157.7 14.62% 2.53%
2024-12-31 260 153.5 14.65% 2.72%
2024-09-30 260 148.3 15.78% 2.61%
Earlier filings (20 more, back to 2019-09-30)
PeriodHoldingsEffectiveTop 10Largest
2024-06-30 251 133.8 16.9% 2.89%
2024-03-31 257 124.6 17.26% 4.23%
2023-12-31 264 143.7 15.45% 3.02%
2023-09-30 260 128.9 17.69% 3.23%
2023-06-30 269 127.5 17.81% 3.15%
2023-03-31 277 126.8 18.68% 3.12%
2022-12-31 303 138.1 16.52% 3.55%
2022-09-30 313 133.1 18.71% 2.66%
2022-06-30 322 76.6 22.02% 6.77%
2022-03-31 349 191.8 12.09% 1.56%
2021-12-31 364 162.9 13.71% 4.09%
2021-09-30 366 201.5 11.45% 1.55%
2021-06-30 316 159.7 15.54% 2.07%
2021-03-31 283 132.5 17.32% 4.33%
2020-12-31 246 147.1 16.14% 2.24%
2020-09-30 230 114.4 18.65% 4.75%
2020-06-30 188 95.3 20.35% 5.85%
2020-03-31 149 104.5 18.82% 3.45%
2019-12-31 157 126.5 13.69% 2.02%
2019-09-30 148 95.6 17.97% 5.23%

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

#PositionWeightCumulative
1United States Treasury2.24%2.2%
2United States Treasury1.80%4.0%
3Connecticut State Health & Educational Facilities Authority1.75%5.8%
4FED HOME LN DISCOUNT NT1.68%7.5%
5New York City Municipal Water Finance Authority1.34%8.8%
6Fort Bend Independent School District1.24%10.1%
7Tarrant County Cultural Education Facilities Finance Corp1.22%11.3%
8United States Treasury1.19%12.5%
9Miami-Dade County Housing Finance Authority1.10%13.6%
10Connecticut State Health & Educational Facilities Authority1.09%14.7%
11Connecticut State Health & Educational Facilities Authority1.04%15.7%
12Oklahoma City Public Property Authority0.96%16.7%
13Massachusetts Development Finance Agency0.96%17.6%
14FED HOME LN DISCOUNT NT0.89%18.5%
15Harris County Cultural Education Facilities Finance Corp0.88%19.4%

Returns the fund reported

2019-07 – 2026-06

Monthly total returns from Item B.5 of SMMU's own filings, 84 months on record. Not computed here and not from a price feed.

3.5%Last twelve months filed
15%Whole series, compounded
2.0%Best month
-1.2%Worst month

Cross-checked against a series computed separately from prices: median difference 0.04 percentage points over 84 months, which is roughly the distributions. Every month with the filing it came from: SMMU.json · all funds.

Since the previous filing

2026-03-31 → 2026-06-30

329 positions became 352: 65 added (21.3% of the fund at the later date), 42 dropped (14.4% at the earlier date). Half the sum of all weight changes, a turnover proxy: 22.9%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of SMMU compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-03-312026-06-30Largest decreases2026-03-312026-06-30
Tarrant County Cultural Education Facilities Finance Corp0.38%1.22% Black Belt Energy Gas District0.41%0.10%
FED HOME LN DISCOUNT NT0.95%1.68% Kentucky Public Energy Authority0.55%0.28%
United States Treasury2.48%2.24%
United States Treasury2.01%1.80%
Connecticut State Health & Educational Facilities Author1.92%1.75%
New York City Municipal Water Finance Authority1.48%1.34%

New: Connecticut State Health & Educational Facilities Author (1.04%), Oklahoma City Public Property Authority (0.96%), Texas Municipal Gas Acquisition & Supply Corp V (0.81%), United States Treasury (0.80%), Illinois Finance Authority (0.76%), New York City Municipal Water Finance Authority (0.75%). Gone: FEDERAL HOME LOAN BANK (FHLB) (1.69%), NEW YORK CITY MUNICIPAL WATER FINANCE AUTHORITY (0.96%), FEDERAL HOME LOAN BANK (FHLB) (0.84%), UNITED STATES GOVT (0.80%), UNITED STATES GOVT (0.67%), FEDERAL HOME LOAN BANK (FHLB) (0.62%).

Asset categories and pricing

as of 2026-06-30

98.77% debt, 1.23% 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 SMMU (178.7). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
NBSD Neuberger Short Duration Income ETF 1,063 158.5 * 15.23% 2026-07-31
FLCO Franklin Investment Grade Corporate ETF 227 160.4 11.87% 2026-06-30
BSCQ Invesco BulletShares 2026 Corporate Bond ETF 231 161.1 13.93% 2026-05-31
FIIG First Trust Intermediate Duration Investment Grade Corporate ETF 232 161.1 12.54% 2026-07-31
FBND Fidelity Total Bond ETF 4,584 161.2 18% 2026-05-31
JSCP JPMorgan Short Duration Core Plus ETF 1,222 180.2 18.91% 2026-05-31
FDHY Fidelity Enhanced High Yield ETF 300 185 10.85% 2026-05-31
CGCB Capital Group Core Bond ETF 771 191 13.29% 2026-06-30
FLHY Franklin High Yield Corporate ETF 290 193.6 9.92% 2026-06-30
ICVT iShares Convertible Bond ETF 376 195.5 12.95% 2026-07-31

Essays that examine SMMU

0

Mentions 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.