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 2026-05-31Computed 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 2026-05-31PWZ'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
27Between 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.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 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)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 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 2026-05-31The 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.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | State of California | 0.77% | 0.8% |
| 2 | California (State of) Health Facilities Financing Authority (Kaiser Permanente) | 0.75% | 1.5% |
| 3 | California (State of) Health Facilities Financing Authority (Cedars-Sinai Medical Center) | 0.68% | 2.2% |
| 4 | Regents of the University of California Medical Center | 0.64% | 2.8% |
| 5 | California (State of) Educational Facilities Authority | 0.59% | 3.4% |
| 6 | California (State of) Educational Facilities Authority (Stanford University) | 0.55% | 4.0% |
| 7 | Regents of the University of California Medical Center | 0.54% | 4.5% |
| 8 | Los Angeles Unified School District | 0.50% | 5.0% |
| 9 | Foothill-Eastern Transportation Corridor Agency | 0.46% | 5.5% |
| 10 | San Diego Community College District | 0.44% | 5.9% |
| 11 | California (State of) Educational Facilities Authority (Stanford University) | 0.43% | 6.4% |
| 12 | San Francisco (City & County of), CA Public Utilities Commission (Green Bonds) | 0.41% | 6.8% |
| 13 | University of California | 0.40% | 7.2% |
| 14 | San Francisco (City of), CA | 0.39% | 7.6% |
| 15 | California (State of) Public Works Board (May Lee State Office Complex) | 0.39% | 7.9% |
Returns the fund reported
2019-09 – 2026-05Monthly total returns from Item B.5 of PWZ's own filings, 81 months on record. Not computed here and not from a price feed.
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 → 2026-05-311,088 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 increases | 2026-02-28 | 2026-05-31 | Largest decreases | 2026-02-28 | 2026-05-31 |
|---|---|---|---|---|---|
| California (State of) Health Facilities Financing Authority | 0.01% | 0.16% | Fremont Union High School District | 0.28% | 0.13% |
| Santa Clara (County of), CA Financing Authority | 0.02% | 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 B | 0.24% | 0.14% |
| University of California | 0.06% | 0.16% | Fresno Unified School District | 0.13% | 0.03% |
| California (State of) Educational Facilities Authority (Stan | 0.13% | 0.22% | Oxnard Union High School District (Election of 2018) | 0.26% | 0.16% |
| San Mateo County Community College District (Election of 201 | 0.16% | 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 2026-05-31100.00% 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
10Every 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.
| Fund | Reports | Behaves like | Top ten | As 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
0Mentions 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.