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

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

PZA holdings

PZA reports 6,664 holdings and behaves like 3341.2 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
6,664 Positions reported
3341.2 Effective holdings
2× Concentration multiple
1.1% 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

PZA's largest investment is California (state Of) Health Facilities Financing Authority (kaiser Permanente), Subseries 2017 A-2, RB at 0.13% of net assets. New York (state Of) Dormitory Authority, Series 2024 A, Ref. RB and New York (state Of) Dormitory Authority, Series 2020 D, Ref. RB follow; the three together are 0.36%. Ten companies are 1.1% of the fund; the other 6,654 share the rest. Among the 192 bond funds measured here, PZA behaves like 3341.2 holdings against a median of 236.4 — 14.1 times the median. Across 27 quarterly filings PZA has become less concentrated: it behaved like 205.1 at 2019-11-30 and 3341.2 at 2026-05-31. Between the 2026-02-28 and 2026-05-31 filings 708 positions were added and 110 dropped; 15.4% 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, PZA went from behaving like 205.1 equally weighted positions to 3341.2 — 1529% more, while its top ten went from 12.32% to 1.1% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-05-31 6,664 3341.2 1.1% 0.14%
2026-02-28 6,066 2740.4 1.27% 0.15%
2025-11-30 5,555 2275.4 1.62% 0.27%
2025-08-31 4,742 1708.2 2.28% 0.45%
2025-05-31 4,068 1316.2 3.09% 0.48%
2025-02-28 3,263 1027.3 3.81% 0.6%
2024-11-30 2,976 990.6 3.86% 0.6%
2024-08-31 2,289 863.9 4.17% 0.66%
Earlier filings (19 more, back to 2019-11-30)
PeriodHoldingsEffectiveTop 10Largest
2024-05-31 2,095 825.8 4.28% 0.67%
2024-02-29 1,634 757.4 4.51% 0.71%
2023-11-30 1,284 676.4 4.81% 0.76%
2023-08-31 1,021 575.1 5.36% 0.81%
2023-05-31 916 520 5.69% 0.9%
2023-02-28 884 493.1 6.02% 0.91%
2022-11-30 821 466.3 5.98% 0.94%
2022-08-31 751 418.4 6.66% 1.04%
2022-05-31 721 400.5 6.92% 1.07%
2022-02-28 732 402.7 7.06% 1.04%
2021-11-30 711 384.7 7.33% 1%
2021-08-31 686 367.6 7.7% 1.03%
2021-05-31 661 359.5 7.42% 1.09%
2021-02-28 574 325.8 7.98% 1.16%
2020-11-30 504 295.3 8.64% 1.2%
2020-08-31 515 240.2 11.77% 1.58%
2020-05-31 428 222.6 11.6% 1.62%
2020-02-29 455 225.7 11.31% 1.4%
2019-11-30 424 205.1 12.32% 1.63%

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 6,664 positions in PZA's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: listed with the point-in-time files, available on request.

#PositionWeightCumulative
1California (State of) Health Facilities Financing Authority (Kaiser Permanente)0.14%0.1%
2New York (State of) Dormitory Authority0.12%0.3%
3New York (State of) Dormitory Authority0.11%0.4%
4Salt River Project Agricultural Improvement & Power District0.11%0.5%
5Texas Water Development Board0.11%0.6%
6Regents of the University of California Medical Center0.10%0.7%
7Regents of the University of California Medical Center0.10%0.8%
8Orange (County of), FL Health Facilities Authority (Orlando Health Obligated Group)0.10%0.9%
9Texas Transportation Finance Corp.0.10%1.0%
10Triborough Bridge & Tunnel Authority0.10%1.1%
11California (State of) Health Facilities Financing Authority (Cedars-Sinai Medical Center)0.10%1.2%
12New York State Urban Development Corp.0.10%1.3%
13San Diego Unified School District (Election of 2012)0.10%1.4%
14Lower Alabama Gas District (The)0.09%1.5%
15New Jersey (State of) Turnpike Authority0.09%1.6%

Returns the fund reported

2019-09 – 2026-05

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

7.9%Last twelve months filed
6%Whole series, compounded
8.3%Best month
-4.6%Worst month

Cross-checked against a series computed separately from prices: median difference 0.15 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: PZA.json · all funds.

Since the previous filing

2026-02-28 → 2026-05-31

6,066 positions became 6,664: 708 added (5.3% of the fund at the later date), 110 dropped (1.4% at the earlier date). Half the sum of all weight changes, a turnover proxy: 15.4%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of PZA compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-02-282026-05-31Largest decreases2026-02-282026-05-31
Regents of the University of California Medical Center0.01%0.10% New York (City of), NY Municipal Water Finance Authority0.10%0.01%
Illinois (State of) Metropolitan Pier & Exposition Autho0.02%0.09% Jurupa Unified School District0.09%0.01%
New York (City of), NY Municipal Water Finance Authority0.00%0.07% San Francisco (City & County of), CA Airport Commission 0.10%0.02%
New York (City of), NY Municipal Water Finance Authority0.02%0.08% Dallas (City of), TX Independent School District0.13%0.05%
New York (State of) Dormitory Authority0.01%0.07% Massachusetts (Commonwealth of)0.08%0.01%
Orange (County of), FL Health Facilities Authority (Orlando 0.00%0.06% Massachusetts (Commonwealth of)0.09%0.02%

New: San Francisco Bay Area Rapid Transit District (Election of 2 (0.06%), State of California (0.06%), State of California (0.05%), City of Houston TX Hotel Occupancy Tax & Special Revenue (0.05%), City of Houston TX Hotel Occupancy Tax & Special Revenue (0.05%), New York State Dormitory Authority (0.05%). Gone: California (State of) (0.09%), San Diego (County of), CA Regional Transportation Commission (0.08%), Washington (State of) (0.08%), University of California (0.08%), New York (State of) Dormitory Authority (0.06%), Wisconsin (State of) Public Finance Authority (KU Campus Dev (0.05%).

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

6

Every measured debt fund lined up by how many holdings it behaves like; these sit either side of PZA (3341.2). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF 2,989 1843.2 1.99% 2026-05-31
LQD iShares iBoxx $ Investment Grade Corporate Bond ETF 3,136 1889.9 2.41% 2026-05-31
IGLB iShares 10+ Year Investment Grade Corporate Bond ETF 3,836 1905.3 2.64% 2026-05-31
SPIB State Street(R) SPDR(R) Portfolio Intermediate Term Corporate Bond ETF 5,147 2196.7 2.69% 2026-06-30
QLTA iShares Aaa - A Rated Corporate Bond ETF 3,502 2213.7 1.83% 2026-07-31
USIG iShares Broad USD Investment Grade Corporate Bond ETF 11,459 6893.6 0.73% 2026-05-31

Essays that examine PZA

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.