# Main Street Natural Gas Inc MAIN ST NAT GAS INC-B

Main Street Natural Gas Inc MAIN ST NAT GAS INC-B is a security (CUSIP 56035DFC1) tracked across SEC portfolio filings. 18 registered fund positions totaling $99.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Main Street Natural Gas Inc
- Class: MAIN ST NAT GAS INC-B
- CUSIP: 56035DFC1
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 18
- N-PORT value: $99.0M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 18 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD HIGH-YIELD TAX-EXEMPT FUND](https://search.stillhousedata.com/fund/S000002892) | VANGUARD MUNICIPAL BOND FUNDS | $24.3M | 14.05% |
| [NYLI MacKay Tax Free Bond Fund](https://search.stillhousedata.com/fund/S000006898) | NEW YORK LIFE INVESTMENTS FUNDS | $13.5M | 14.37% |
| [Limited Term Tax Exempt Bond Fund of America](https://search.stillhousedata.com/fund/S000009237) | Limited Term Tax Exempt Bond Fund of America | $11.4M | 18.93% |
| [Tax Exempt Bond Fund of America](https://search.stillhousedata.com/fund/S000009238) | Tax Exempt Bond Fund of America | $9.6M | 3.92% |
| [BlackRock Short Duration Muni Fund](https://search.stillhousedata.com/fund/S000002335) | BlackRock Municipal Bond Fund, Inc. | $7.4M | 146.84% |
| Eaton Vance Municipal Bond Fund | Eaton Vance Municipal Bond Fund | $5.2M | 97.75% |
| [Intermediate-Term Tax-Free Bond Fund](https://search.stillhousedata.com/fund/S000006472) | American Century Municipal Trust | $4.2M | 8.59% |
| [American High-Income Municipal Bond Fund](https://search.stillhousedata.com/fund/S000009229) | American High-Income Municipal Bond Fund | $3.7M | 2.50% |
| BlackRock MuniYield Quality Fund III, Inc. | BlackRock MuniYield Quality Fund III, Inc. | $3.1M | 21.33% |
| Eaton Vance Municipal Income 2028 Term Trust | Eaton Vance Municipal Income 2028 Term Trust | $2.6M | 132.58% |
| [AB High Income Municipal Portfolio](https://search.stillhousedata.com/fund/S000027380) | AB MUNICIPAL INCOME FUND, INC. | $2.5M | 9.06% |
| Invesco Municipal Opportunity Trust | Invesco Municipal Opportunity Trust | $2.5M | 36.96% |
| [Parametric TABS 1-to-10 Year Laddered Municipal Bond Fund](https://search.stillhousedata.com/fund/S000049164) | Eaton Vance Municipals Trust II | $2.1M | 249.96% |
| Invesco Trust for Investment Grade Municipals | Invesco Trust for Investment Grade Municipals | $1.9M | 34.20% |
| Invesco Value Municipal Income Trust | Invesco Value Municipal Income Trust | $1.9M | 31.98% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/56035DFC1.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.