# WINDLER IMPROVEMENT AUTHORITY WINDLER PUBLIC IMPROVEMENT AUTHORITY 4.125% 12-01-51

WINDLER IMPROVEMENT AUTHORITY WINDLER PUBLIC IMPROVEMENT AUTHORITY 4.125% 12-01-51 is a security (CUSIP 973405AD5) tracked across SEC portfolio filings. 14 registered fund positions totaling $49.9M via N-PORT as of 2026-05-31.

## Summary

- Issuer: WINDLER IMPROVEMENT AUTHORITY
- Class: WINDLER PUBLIC IMPROVEMENT AUTHORITY 4.125% 12-01-51
- CUSIP: 973405AD5
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 14
- N-PORT value: $49.9M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [American High-Income Municipal Bond Fund](https://search.stillhousedata.com/fund/S000009229) | American High-Income Municipal Bond Fund | $26.1M | 17.74% |
| Nuveen Municipal Value Fund, Inc. | Nuveen Municipal Value Fund, Inc. | $6.3M | 32.90% |
| Nuveen Enhanced High Yield Municipal Bond Fund | Nuveen Enhanced High Yield Municipal Bond Fund | $3.8M | 53.52% |
| Nuveen Municipal High Income Opportunity Fund | Nuveen Municipal High Income Opportunity Fund | $3.4M | 15.45% |
| Nuveen Quality Municipal Income Fund | Nuveen Quality Municipal Income Fund | $3.1M | 10.98% |
| Nuveen Municipal Credit Opportunities Fund | Nuveen Municipal Credit Opportunities Fund | $2.7M | 45.07% |
| Nuveen Dynamic Municipal Opportunities Fund | Nuveen Dynamic Municipal Opportunities Fund | $1.5M | 24.51% |
| [Tax Exempt Bond Fund of America](https://search.stillhousedata.com/fund/S000009238) | Tax Exempt Bond Fund of America | $766K | 0.31% |
| Invesco Municipal Opportunity Trust | Invesco Municipal Opportunity Trust | $484K | 7.18% |
| Invesco Trust for Investment Grade Municipals | Invesco Trust for Investment Grade Municipals | $391K | 6.96% |
| Invesco Value Municipal Income Trust | Invesco Value Municipal Income Trust | $387K | 6.66% |
| Invesco Municipal Trust | Invesco Municipal Trust | $387K | 6.96% |
| Invesco Quality Municipal Income Trust | Invesco Quality Municipal Income Trust | $364K | 6.81% |
| Invesco Advantage Municipal Income Trust II | Invesco Advantage Municipal Income Trust II | $287K | 7.21% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/973405AD5.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.