# MASTEC INC MasTec Inc

MASTEC INC MasTec Inc is a security (CUSIP 576323AT6) tracked across SEC portfolio filings. 16 registered fund positions totaling $63.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MASTEC INC
- Class: MasTec Inc
- CUSIP: 576323AT6
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 16
- N-PORT value: $63.6M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 16 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [LORD ABBETT BOND DEBENTURE FUND INC](https://search.stillhousedata.com/fund/S000006820) | LORD ABBETT BOND DEBENTURE FUND INC | $20.6M | 9.00% |
| [Bond Fund](https://search.stillhousedata.com/fund/S000000646) | John Hancock Sovereign Bond Fund | $12.3M | 4.65% |
| [PGIM Short-Term Corporate Bond Fund](https://search.stillhousedata.com/fund/S000004769) | Prudential Short-Term Corporate Bond Fund, Inc. | $8.6M | 10.55% |
| [Thompson Bond Fund](https://search.stillhousedata.com/fund/S000002452) | Thompson IM Funds, Inc. | $7.2M | 37.23% |
| [DoubleLine Core Fixed Income Fund](https://search.stillhousedata.com/fund/S000028164) | DoubleLine Funds Trust | $4.9M | 7.13% |
| [PGIM Absolute Return Bond Fund](https://search.stillhousedata.com/fund/S000031707) | Prudential Investment Portfolios 9 | $3.8M | 10.99% |
| [Short Duration Bond Fund](https://search.stillhousedata.com/fund/S000065984) | John Hancock Bond Trust | $2.1M | 11.13% |
| [Putnam Income Fund](https://search.stillhousedata.com/fund/S000006155) | Putnam Income Fund | $1.8M | 18.25% |
| [PGIM Short Duration Multi-Sector Bond Fund](https://search.stillhousedata.com/fund/S000043499) | Prudential Investment Portfolios, Inc. 17 | $948K | 1.21% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $336K | 0.06% |
| [GMO Systematic Investment Grade Credit ETF](https://search.stillhousedata.com/fund/S000088550) | GMO ETF Trust | $247K | 88.23% |
| [Putnam Multi-Asset Income Fund](https://search.stillhousedata.com/fund/S000067964) | Putnam Asset Allocation Funds | $233K | 2.61% |
| [RiverNorth/DoubleLine Strategic Income Fund](https://search.stillhousedata.com/fund/S000030798) | RIVERNORTH FUNDS | $196K | 1.96% |
| John Hancock Income Securities Trust | John Hancock Income Securities Trust | $135K | 9.50% |
| [Short Duration Income Portfolio](https://search.stillhousedata.com/fund/S000045029) | LORD ABBETT SERIES FUND INC | $120K | 7.63% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/576323AT6.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.