# Main Street Natural Gas Inc MAIN ST NAT GAS INC

Main Street Natural Gas Inc MAIN ST NAT GAS INC is a security (CUSIP 56035DFK3) tracked across SEC portfolio filings. 31 registered fund positions totaling $273.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Main Street Natural Gas Inc
- Class: MAIN ST NAT GAS INC
- CUSIP: 56035DFK3
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 31
- N-PORT value: $273.0M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 31 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD LIMITED-TERM TAX-EXEMPT FUND](https://search.stillhousedata.com/fund/S000002895) | VANGUARD MUNICIPAL BOND FUNDS | $111.8M | 32.28% |
| [AB Municipal Income Shares](https://search.stillhousedata.com/fund/S000029560) | AB CORPORATE SHARES | $26.3M | 15.10% |
| BlackRock Municipal 2030 Target Term Trust | BlackRock Municipal 2030 Target Term Trust | $26.2M | 167.33% |
| [Fidelity Intermediate Municipal Income Fund](https://search.stillhousedata.com/fund/S000007186) | Fidelity School Street Trust | $17.9M | 12.72% |
| Nuveen AMT-Free Quality Municipal Income Fund | Nuveen AMT-Free Quality Municipal Income Fund | $14.4M | 41.56% |
| BlackRock MuniHoldings Fund, Inc. | BlackRock MuniHoldings Fund, Inc. | $9.8M | 43.92% |
| [VANGUARD TAX-MANAGED BALANCED FUND](https://search.stillhousedata.com/fund/S000004383) | VANGUARD TAX-MANAGED FUNDS | $8.6M | 7.56% |
| [Limited Term Tax Exempt Bond Fund of America](https://search.stillhousedata.com/fund/S000009237) | Limited Term Tax Exempt Bond Fund of America | $6.4M | 10.52% |
| [T. Rowe Price Summit Municipal Intermediate Fund](https://search.stillhousedata.com/fund/S000002156) | T. ROWE PRICE SUMMIT MUNICIPAL FUNDS, INC. | $6.4M | 13.05% |
| [Federated Hermes Short-Intermediate Municipal Fund](https://search.stillhousedata.com/fund/S000009085) | Federated Hermes Short-Intermediate Duration Municipal Trust | $6.0M | 152.37% |
| [AB National Portfolio](https://search.stillhousedata.com/fund/S000010351) | AB MUNICIPAL INCOME FUND, INC. | $5.3M | 26.50% |
| [BNY Mellon AMT-Free Municipal Bond Fund](https://search.stillhousedata.com/fund/S000000330) | BNY MELLON MUNICIPAL FUNDS, INC. | $4.5M | 24.97% |
| BlackRock MuniYield Quality Fund II, Inc. | BlackRock MuniYield Quality Fund II, Inc. | $3.2M | 129.99% |
| BlackRock MuniYield Quality Fund, Inc. | BlackRock MuniYield Quality Fund, Inc. | $3.1M | 16.95% |
| [T. Rowe Price Tax-Free High Yield Fund](https://search.stillhousedata.com/fund/S000002162) | T. ROWE PRICE TAX-FREE HIGH YIELD FUND, INC. | $2.9M | 8.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/56035DFK3.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.