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

Fund · Invesco California AMT-Free Municipal Bond ETF · measured from SEC filings

PWZ holdings

PWZ reports 1,158 holdings and behaves like 608.2 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-05-31. The fact sheet publishes the first number; this page computes the second, and traces it across 27 quarters of filings.

Measured concentration

as of 2026-05-31
1,158 Positions reported
608.2 Effective holdings
1.9× Concentration multiple
5.92% 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.

What stands out

as of 2026-05-31

PWZ's largest investment is State Of California, Series 2005, GO Bonds at 0.75% of net assets. California (state Of) Health Facilities Financing Authority (kaiser Permanente), Subseries 2017 A-2, RB and California (state Of) Health Facilities Financing Authority (cedars-sinai Medical Center), Series 2021 A, Ref. RB follow; the three together are 2.16%. Ten companies are 5.92% of the fund; the other 1,148 share the rest. Among the 192 bond funds measured here, PWZ behaves like 608.2 holdings against a median of 236.4 — 2.6 times the median. Across 27 quarterly filings PWZ has become less concentrated: it behaved like 80.8 at 2019-11-30 and 608.2 at 2026-05-31. Between the 2026-02-28 and 2026-05-31 filings 91 positions were added and 21 dropped; 7.7% 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

27

Between 2019-11-30 and 2026-05-31, PWZ went from behaving like 80.8 equally weighted positions to 608.2 — 653% more, while its top ten went from 23.1% to 5.92% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-05-31 1,158 608.2 5.92% 0.77%
2026-02-28 1,088 577.2 5.84% 0.8%
2025-11-30 1,031 527.8 5.88% 0.74%
2025-08-31 986 496.5 5.85% 0.8%
2025-05-31 723 383 7.05% 0.95%
2025-02-28 667 372 7.46% 0.97%
2024-11-30 616 352.5 7.66% 1.04%
2024-08-31 559 321.8 8.39% 1.16%
Earlier filings (19 more, back to 2019-11-30)
PeriodHoldingsEffectiveTop 10Largest
2024-05-31 510 267 9.77% 1.26%
2024-02-29 471 249.6 10.18% 1.3%
2023-11-30 429 226.6 10.77% 1.34%
2023-08-31 281 137.2 17.47% 2.48%
2023-05-31 259 127.8 18.35% 2.86%
2023-02-28 253 122.4 18.9% 2.96%
2022-11-30 254 123.2 18.64% 2.89%
2022-08-31 257 119.5 19.44% 2.93%
2022-05-31 251 106.5 21.04% 3.92%
2022-02-28 236 99.9 21.85% 4.3%
2021-11-30 218 104.7 20.05% 4.63%
2021-08-31 198 94.9 21.14% 5.06%
2021-05-31 192 89.7 22.03% 5.31%
2021-02-28 169 76.8 25.89% 5.51%
2020-11-30 155 68.7 28.04% 5.75%
2020-08-31 153 67.9 28.23% 5.78%
2020-05-31 151 68.4 27.65% 5.9%
2020-02-29 148 84.9 22.52% 4.42%
2019-11-30 142 80.8 23.1% 4.73%

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 2026-05-31

The 15 largest of 1,158 positions in PWZ's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: PWZ.csv.gz.

#PositionWeightCumulative
1State of California0.77%0.8%
2California (State of) Health Facilities Financing Authority (Kaiser Permanente)0.75%1.5%
3California (State of) Health Facilities Financing Authority (Cedars-Sinai Medical Center)0.68%2.2%
4Regents of the University of California Medical Center0.64%2.8%
5California (State of) Educational Facilities Authority0.59%3.4%
6California (State of) Educational Facilities Authority (Stanford University)0.55%4.0%
7Regents of the University of California Medical Center0.54%4.5%
8Los Angeles Unified School District0.50%5.0%
9Foothill-Eastern Transportation Corridor Agency0.46%5.5%
10San Diego Community College District0.44%5.9%
11California (State of) Educational Facilities Authority (Stanford University)0.43%6.4%
12San Francisco (City & County of), CA Public Utilities Commission (Green Bonds)0.41%6.8%
13University of California0.40%7.2%
14San Francisco (City of), CA0.39%7.6%
15California (State of) Public Works Board (May Lee State Office Complex)0.39%7.9%

Returns the fund reported

2019-09 – 2026-05

Monthly total returns from Item B.5 of PWZ's own filings, 81 months on record. Not computed here and not from a price feed.

8.0%Last twelve months filed
6%Whole series, compounded
8.4%Best month
-4.7%Worst month

Cross-checked against a series computed separately from prices: median difference 0.24 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: PWZ.json · all funds.

Since the previous filing

2026-02-28 → 2026-05-31

1,088 positions became 1,158: 91 added (4.8% of the fund at the later date), 21 dropped (1.4% at the earlier date). Half the sum of all weight changes, a turnover proxy: 7.7%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of PWZ compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-02-282026-05-31Largest decreases2026-02-282026-05-31
California (State of) Health Facilities Financing Authority 0.01%0.16% Fremont Union High School District0.28%0.13%
Santa Clara (County of), CA Financing Authority0.02%0.14% Chaffey Joint Union High School District (Election of 2012)0.16%0.05%
Corona-Norco Unified School District (Election of 2014)0.00%0.11% Sacramento (City of), CA Municipal Utility District (Green B0.24%0.14%
University of California0.06%0.16% Fresno Unified School District0.13%0.03%
California (State of) Educational Facilities Authority (Stan0.13%0.22% Oxnard Union High School District (Election of 2018)0.26%0.16%
San Mateo County Community College District (Election of 2010.16%0.25% Long Beach Unified School District (Election of 2016)0.22%0.13%

New: State of California (0.77%), State of California (0.27%), State of California (0.22%), Southern California Public Power Authority (0.14%), Southern California Public Power Authority (0.14%), State of California (0.14%). Gone: University of California (Limited) (0.23%), California (State of) (0.19%), Regents of the University of California Medical Center (0.18%), University of California (0.16%), San Diego (County of), CA Regional Transportation Commission (0.15%), Regents of the University of California Medical Center (0.10%).

Asset categories and pricing

as of 2026-05-31

100.00% debt 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 PWZ (608.2). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
DFNM Dimensional National Municipal Bond ETF 1,200 538 6.03% 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
HYD VanEck High Yield Muni ETF 2,103 636.8 6.55% 2026-07-31
NXUS Nuveen International Aggregate Bond ETF 3,226 637.5 6.6% 2026-06-30
SJNK State Street(R) SPDR Bloomberg Short Term High Yield Bond ETF 1,152 661.5 4.92% 2026-06-30
JNK State Street(R) SPDR(R) Bloomberg High Yield Bond ETF 1,199 693.3 5.14% 2026-06-30
BBHY JPMorgan BetaBuilders USD High Yield Corporate Bond ETF 1,609 726.7 4.93% 2026-05-31

Essays that examine PWZ

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.