MasTec, Inc. bonds MTZ
Who owns MasTec, Inc.'s debt and what their own filings say it is worth. Bond prices and yields are fund-reported marks (SEC Form N-PORT) as of Jul 2026; they lag the market by about two months. MTZ stock page.
Every bond funds hold
Each bond's latest fund-reported mark. Price per 100 of face value; yield to maturity from price, coupon and maturity; spread over the matched-maturity Treasury for US-dollar bonds.
| Bond | Coupon | Maturity | Ccy | Price | Yield | Spread | Funds | Held | As of |
|---|---|---|---|---|---|---|---|---|---|
| 576323AP4 | 4.5% fixed | 2028-08-15 | USD | 98.81 | 5.12% | 90 bp | 4 | $9.9M | Jul 2026 |
| 576323AT6 | 5.9% fixed | 2029-06-15 | USD | 102.19 | 5.07% | 82 bp | 20 | $20.3M | Jul 2026 |
| 576323AQ2 | 6.625% fixed | 2029-08-15 | USD | 100.20 | 6.55% | 229 bp | 3 | $9.2M | Jul 2026 |
Spread history
Median spread of the US-dollar bonds over Treasuries, month-ends with complete filings. Fund-reported.
Price history
Median fund-marked price across the bonds, per 100 of face value.
By month
Funds file on staggered quarter-ends, so each month-end is marked by the funds that reported for it; the amount held moves with which funds filed, not only with buying and selling.
| Month-end | Bonds | Held | Median price | USD yield | USD spread | Most funds on one bond |
|---|---|---|---|---|---|---|
| Jul 2026 | 3 | $39.4M | 100.20 | 5.12% | 90 bp | 20 |
| Jun 2026 | 3 | $248.6M | 100.22 | 4.97% | 86 bp | 50 |
| May 2026 | 3 | $205.9M | 100.17 | 4.95% | 94 bp | 26 |
| Apr 2026 | 3 | $36.9M | 100.20 | 4.83% | 100 bp | 20 |
| Mar 2026 | 3 | $244.1M | 100.30 | 4.99% | 127 bp | 48 |
| Feb 2026 | 3 | $186.6M | 101.02 | 4.50% | 101 bp | 24 |
| Jan 2026 | 3 | $37.8M | 100.21 | 4.58% | 100 bp | 22 |
| Dec 2025 | 3 | $244.4M | 101.00 | 4.72% | 119 bp | 46 |
| Nov 2025 | 3 | $180.2M | 100.56 | 4.57% | 101 bp | 23 |
| Oct 2025 | 3 | $34.8M | 100.60 | 4.63% | 110 bp | 22 |
| Sep 2025 | 3 | $244.8M | 100.25 | 4.58% | 103 bp | 47 |
| Aug 2025 | 3 | $179.7M | 99.50 | 4.71% | 104 bp | 23 |
| Jul 2025 | 3 | $29.7M | 99.13 | 4.88% | 104 bp | 23 |
Who holds the debt
Fund series in their latest quarterly N-PORT report, largest first, with the change in face value against each fund's own previous report. Names as reported in the filings. 28 added, 17 cut, 7 new holders and 7 exits in the latest quarter.
| Fund series | Report | Face value | Value | Change in face value |
|---|---|---|---|---|
| Lord Abbett Short Duration Income Fund LORD ABBETT INVESTMENT TRUST | 2026-05-31 | $95.9M | $96.6M | $0 |
| Baird Core Plus Bond Fund Baird Funds Inc | 2026-06-30 | $66.8M | $67.6M | $0 |
| LORD ABBETT BOND DEBENTURE FUND INC | 2026-06-30 | $19.9M | $20.5M | $0 |
| Lord Abbett Ultra Short Bond Fund LORD ABBETT INVESTMENT TRUST | 2026-05-31 | $18.4M | $18.2M | new |
| VANGUARD SHORT-TERM CORPORATE BOND INDEX FUND VANGUARD SCOTTSDALE FUNDS | 2026-05-31 | $17.1M | $17.6M | $3.6M |
| Baird Short-Term Bond Fund Baird Funds Inc | 2026-06-30 | $16.3M | $16.2M | $0 |
| Baird Aggregate Bond Fund Baird Funds Inc | 2026-06-30 | $15.0M | $15.2M | $0 |
| Bond Fund John Hancock Sovereign Bond Fund | 2026-05-31 | $12.0M | $12.3M | $0 |
| Bridge Builder Core Bond Fund Bridge Builder Trust | 2026-06-30 | $11.5M | $11.6M | $0 |
| DoubleLine Low Duration Bond Fund DoubleLine Funds Trust | 2026-06-30 | $11.5M | $11.3M | $1.8M |
| Short Duration Bond Fund John Hancock Bond Trust | 2026-05-31 | $10.8M | $10.7M | $3.8M |
| PGIM Short-Term Corporate Bond Fund Prudential Short-Term Corporate Bond Fund, Inc. | 2026-06-30 | $8.4M | $8.6M | $0 |
| Lord Abbett Core Plus Bond Fund LORD ABBETT INVESTMENT TRUST | 2026-05-31 | $7.7M | $7.6M | $0 |
| Lord Abbett Total Return Fund LORD ABBETT INVESTMENT TRUST | 2026-05-31 | $7.5M | $7.5M | $0 |
| Thompson Bond Fund Thompson IM Funds, Inc. | 2026-05-31 | $7.0M | $7.2M | $0 |
| iShares 1-5 Year Investment Grade Corporate Bond ETF iShares Trust | 2026-05-31 | $6.6M | $6.7M | -$350K |
| Boyd Watterson Limited Duration Enhanced Income Fund NORTHERN LIGHTS FUND TRUST III | 2026-06-30 | $6.5M | $6.4M | $0 |
| VANGUARD TOTAL BOND MARKET INDEX FUND VANGUARD BOND INDEX FUNDS | 2026-06-30 | $6.2M | $6.4M | $25K |
| VANGUARD TOTAL BOND MARKET II INDEX FUND VANGUARD BOND INDEX FUNDS | 2026-06-30 | $5.9M | $6.1M | $0 |
| Frost Low Duration Bond Fund Frost Family of Funds | 2026-07-31 | $5.2M | $5.2M | $0 |
| Angel Oak UltraShort Income ETF Angel Oak | 2026-07-31 | $5.2M | $5.1M | $0 |
| iShares Broad USD Investment Grade Corporate Bond ETF iShares Trust | 2026-05-31 | $5.1M | $5.1M | $750K |
| Greenspring Income Opportunities Fund Manager Directed Portfolios | 2026-06-30 | $4.9M | $4.9M | $0 |
| DoubleLine Core Fixed Income Fund DoubleLine Funds Trust | 2026-06-30 | $4.7M | $4.9M | $0 |
| DoubleLine Shiller Enhanced CAPE DoubleLine Funds Trust | 2026-06-30 | $4.4M | $4.4M | -$216K |
Largest exits in the latest quarter (fund held the bonds in its previous report, none now): Allspring Short-Term Bond Plus Fund ($3.6M), John Hancock Corporate Bond ETF ($791K), Allspring Ultra Short-Term Income Fund ($600K), Allspring Income Plus ETF ($330K), Allspring Income Plus Fund ($325K), iShares Systematic Bond ETF ($236K), Allspring Managed Account CoreBuilder Shares - Series SP ($195K).
ETFs holding these bonds
From each ETF's own latest N-PORT report: the issuer's bonds as a share of the ETF's net assets. A holdings list, not a recommendation.
| ETF | Report | Bonds | Face value | Value | % of net assets |
|---|---|---|---|---|---|
| VCSH VANGUARD SHORT-TERM CORPORATE BOND INDEX FUND | 2026-05-31 | 1 | $17.1M | $17.6M | 0.04% |
| IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | 2026-05-31 | 2 | $6.6M | $6.7M | 0.03% |
| BND VANGUARD TOTAL BOND MARKET INDEX FUND | 2026-06-30 | 1 | $6.2M | $6.4M | 0.00% |
| UYLD Angel Oak UltraShort Income ETF | 2026-07-31 | 1 | $5.2M | $5.1M | 0.33% |
| USIG iShares Broad USD Investment Grade Corporate Bond ETF | 2026-05-31 | 2 | $5.1M | $5.1M | 0.03% |
| BSCT Invesco BulletShares 2029 Corporate Bond ETF | 2026-05-31 | 1 | $3.8M | $3.9M | 0.14% |
| BSV VANGUARD SHORT-TERM BOND INDEX FUND | 2026-06-30 | 1 | $3.5M | $3.6M | 0.01% |
| IBDU iShares iBonds Dec 2029 Term Corporate ETF | 2026-07-31 | 1 | $3.3M | $3.4M | 0.08% |
| SPIB State Street(R) SPDR(R) Portfolio Intermediate Term Corporate Bond ETF | 2026-06-30 | 1 | $3.1M | $3.2M | 0.03% |
| IUSB iShares Core Universal USD Bond ETF | 2026-07-31 | 2 | $2.0M | $2.0M | 0.00% |
| BUXX Strive Enhanced Income Short Maturity ETF | 2026-06-30 | 1 | $2.0M | $1.9M | 0.41% |
| TOTL State Street(R) DoubleLine(R) Total Return Tactical ETF | 2026-06-30 | 1 | $1.2M | $1.3M | 0.03% |
| AGG iShares Core U.S. Aggregate Bond ETF | 2026-05-31 | 1 | $970K | $998K | 0.00% |
| USTB VictoryShares Short-Term Bond ETF | 2026-06-30 | 1 | $952K | $979K | 0.04% |
| STOT State Street(R) DoubleLine(R) Short Duration Total Return Tactical ETF | 2026-06-30 | 1 | $946K | $937K | 0.20% |
Default risk, three ways
Stock market: distance-to-default
Distance-to-default 4.86: safer than 47% of companies (46th percentile in Industrials). Market-implied, prices to 2026-10-16, balance sheet 2026-06-30.
| Equity value | $15.31B |
| Debt barrier (short-term + ½ long-term debt) | $1.45B |
| Equity volatility (1 year) | 53.1% |
| Asset value / asset volatility (solved) | $16.71B / 48.7% |
| Risk-free rate (1-year Treasury) | 4.28% |
Bond market: priced-in odds
A 90 bp spread prices in about 1.5% a year of default odds (spread ÷ (1 − 40% recovery)). Fund-reported marks as of Jul 2026; the spread also pays for liquidity and risk premium, so this overstates actual defaults.
Accounts: Altman Z
Altman Z'' = 2.73 (latest balance sheet). A fundamentals cross-check; see methods for the variant used.
The stock side: 13F filings
What institutions report holding in MTZ's stock and options. Options are reported at the value of the underlying shares, not the premium paid; 13F lists long positions only, lags 45 days after quarter-end, and does not show whether puts hedge a stock position.
| Quarter-end | Stock holders | Stock value | Put managers | Puts (underlying value) | Call managers | Calls (underlying value) | Convertible holders |
|---|---|---|---|---|---|---|---|
| 2026-09-30 filings still arriving | 89 | $161.7M | 0 | — | 0 | — | 0 |
| 2026-06-30 | 896 | $23.92B | 20 | $352.7M | 21 | $610.7M | 0 |
| 2026-03-31 | 791 | $16.02B | 17 | $176.9M | 17 | $224.7M | 0 |
| 2025-12-31 | 677 | $12.29B | 16 | $196.3M | 14 | $110.7M | 0 |
| 2025-09-30 | 637 | $12.04B | 16 | $119.6M | 15 | $113.8M | 1 |
| 2025-06-30 | 583 | $9.44B | 18 | $65.5M | 18 | $116.9M | 1 |
Sources: fund holdings and fund-reported marks from SEC Form N-PORT (published about 60 days after each month-end); 13F filings; House and Senate periodic transaction reports and OGE Form 278-T; Treasury yields from FRED. Findings from filings, not advice. How each number is computed.