Security key
576323109
MASTEC INC - Common Stock, Par Value $.10 Per Share (MTZ)
CUSIP: 576323109
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, Par Value $.10 Per Share
- Total 13F shares
- 58,697,833
- Total 13F value
- $12,762,702,882
- Share change
- +1,066,659
- Put/Call ratio
- 133%
- SEC-reported price per share
- $217.37
- Number of holders
- 692
- Value change
- +$239,499,498
- Number of buys
- 329
- Number of sells
- 292
- Shares outstanding
- 80,325,844
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
692
Top holders
10
MTZ full security history
Ownership snapshot
Full 13F holder table
MASTEC INC SEC filings
MASTEC INC company facts
Broader feeds
Ownership snapshot
Top reported holders of MTZ - MASTEC INC - Common Stock, Par Value $.10 Per Share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
NORDEA INVESTMENT MANAGEM...
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
13D/G
Lead comparable stake: 2.5%
13D/G row: NORDEA INVESTMENT MANAGEMENT AB
Showing 1-6 of 15 holder rows.
Quick read
NORDEA INVESTMENT MANAGEMENT AB leads the comparable SEC ownership view at 2.5%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens NORDEA INVESTMENT MANAGEMENT AB's linked filing trail.
Comparable ownership
Top 5
NORDEA INVESTMENT MANAGEMENT AB
2.5%
BlackRock, Inc.
9.6%
VANGUARD GROUP INC
7.5%
Hill City Capital, LP
2.7%
STATE STREET CORP
2.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| NORDEA INVESTMENT MANAGEMENT AB |
13F
13D/G
Company
|
2.5%
from 13D/G
|
$283,260,794
1,342,023 shares
|
— | 30 Sep 2025 |
| BlackRock, Inc. |
13F
Company
|
9.6%
|
$1,647,865,506
7,743,365 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
7.5%
|
$1,278,390,529
6,007,192 shares
|
— | 30 Sep 2025 |
| Hill City Capital, LP |
13F
Company
|
2.7%
|
$458,605,550
2,155,000 shares
|
— | 30 Sep 2025 |
| STATE STREET CORP |
13F
Company
|
2.3%
|
$390,964,104
1,837,151 shares
|
— | 30 Sep 2025 |
| Invesco Ltd. |
13F
Company
|
2.1%
|
$354,201,182
1,664,401 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
692
Shares
58,697,833
Rows available
692
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
646
Q4 2025 holders
692
Holder diff
46
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|