MTZ — MASTEC INCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
12
all time
Members · 12m
3
2 buys · 5 sells · by trade date
Latest filing
09-12
2026-09-12
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
1
13F holders
669
top 500 listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29

On Signals

ACTIVE HITS NAMING MTZ · NEWEST FILED FIRST · EVERY HIT CARRIES ITS RECEIPTSignals ↗
Active signal hits naming MTZ, newest filed first
KindWhoTraded → FiledSizeSrc
first disclosure of this ticker by this member within the corpus — era-scoped: coverage begins 2014-01-03, so an earlier first disclosure cannot be seen and is not claimed againstKeanTraded → Filed +22d$1.0K–$15.0K

1–1 of 1 line · 1 hit · each kind word opens its exact rule · every hit is in signals.v1.json.

Congress 12Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 11 rows ▲ buy, ▼ sell; height = lower bound (log scale); ringed = on Signals. Trade date, not filing date — the filing lag is in the table below.

11 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M; 1 ringed mark is a line of the Signals row above, pinned in the table below.

Members active in MTZ

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).
Members disclosing MTZ in the trailing 12 months
MemberRowsNet disclosed flow for this ticker: purchases minus sales, computed as a net range on the disclosed amounts. A lower bound is provable, never a point.Number of committees the member sat on as of their latest trade date in the window, from the cc0-legislators roster snapshot. Context, never an allegation; jurisdiction overlap needs the sector join.
Lisa C. McClain R–MI-93−$29.0K to $13.0K2
Markwayne Mullin R–OK3−$150K to −$45.0K—
Thomas H. Kean, Jr. R–NJ-71$1.0K to $15.0K2

3 members

Congressional disclosures

Signals rows first, then newestAll 12 rows ↗
Latest congressional filings mentioning MTZ, the rows on Signals first
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-09-12Thomas H. Kean, Jr. R–NJ-7 On SignalsBUYTraded 08-21 +22d$1K–$15K
2026-03-02Markwayne Mullin R–OKSELL JT (jointly owned)Traded 02-04 +26d$15K–$50K
2026-01-13Markwayne Mullin R–OKSELL SP (spouse-owned)Traded 2025-12-18 +26d$15K–$50K
2026-01-13Markwayne Mullin R–OKSELLTraded 2025-12-18 +26d$15K–$50K
2025-11-21Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 10-31 +21d$1K–$15K
2025-11-21Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 10-30 +22d$1K–$15K
2025-11-21Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 10-30 +22d$1K–$15K
2025-08-13Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 06-11 LATE·63d$1K–$15K
2025-02-27Markwayne Mullin R–OKBUY JT (jointly owned)Traded 02-03 +24d$1K–$15K
2025-01-31Markwayne Mullin R–OKBUY SP (spouse-owned)Traded 01-02 +29d$15K–$50K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

Top institutional holders of MTZ for quarter 2026-03-31, 1–25 of 669 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$2.4B1
derived ·§ EDGAR ↗
2PECONIC PARTNERS LLC$1.2B1
derived ·§ EDGAR ↗
3VANGUARD CAPITAL MANAGEMENT LLC$902M1
derived ·§ EDGAR ↗
4VANGUARD PORTFOLIO MANAGEMENT LLC$891M1
derived ·§ EDGAR ↗
5Hill City Capital, LP$693M1
derived ·§ EDGAR ↗
6STATE STREET CORP$602M1
derived ·§ EDGAR ↗
7VICTORY CAPITAL MANAGEMENT INC$512M1
derived ·§ EDGAR ↗
8LONE PINE CAPITAL LLC$493M1
derived ·§ EDGAR ↗
9FIRST TRUST ADVISORS LP$454M1
derived ·§ EDGAR ↗
10GEODE CAPITAL MANAGEMENT, LLC$441M1
derived ·§ EDGAR ↗
11BANK OF AMERICA CORP /DE/$428M1
derived ·§ EDGAR ↗
12Invesco Ltd.$394M1
derived ·§ EDGAR ↗
13DIMENSIONAL FUND ADVISORS LP$235M1
derived ·§ EDGAR ↗
14Electron Capital Partners, LLC$229M1
derived ·§ EDGAR ↗
15NORDEA INVESTMENT MANAGEMENT AB$229M1
derived ·§ EDGAR ↗
16Bank of New York Mellon Corp$211M1
derived ·§ EDGAR ↗
17AQR CAPITAL MANAGEMENT LLC$210M1
derived ·§ EDGAR ↗
18CANADA PENSION PLAN INVESTMENT BOARD$206M1
derived ·§ EDGAR ↗
19FMR LLC$202M1
derived ·§ EDGAR ↗
20MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$195M1
derived ·§ EDGAR ↗
21MORGAN STANLEY$189M1
derived ·§ EDGAR ↗
22COATUE MANAGEMENT LLC$188M1
derived ·§ EDGAR ↗
23CHARLES SCHWAB INVESTMENT MANAGEMENT INC$164M1
derived ·§ EDGAR ↗
24MILLENNIUM MANAGEMENT LLC$162M1
derived ·§ EDGAR ↗
25Qube Research & Technologies Ltd$156M1
derived ·§ EDGAR ↗
Show the top 500 of 669 holders
Truncated by Public Filings. Top 500 of 669 holders shown; the rest are on EDGAR. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · MTZ

Congress · last 90 days

Buyers
1 Thomas H. Kean, Jr. R–NJ-7 $1K–$15K
Sellers
0 — —

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · MASTEC INC

Merged timeline of congressional filings and notable-manager moves on MTZ
DateWhoChangeSize
2026-09-12Thomas H. Kean, Jr. CongressBUY$1K–$15K
2026-05-15Lone Pine Capital 13FNEW+1,531,050 sh
2026-05-15Bridgewater Associates 13FADD+29,414 sh
2026-05-15Coatue Management 13FTRIM−94,312 sh
2026-05-15Third Point 13FTRIM−605,000 sh
2026-05-15Gotham Asset Management 13FTRIM−36,759 sh
2026-05-15Soros Fund Management 13FTRIM−10,773 sh
2026-05-15Moore Capital Management 13FEXIT−64,954 sh

8 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)2 buy / 5 sell
Congress net ($ bound)−$178K to −$17.0K
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.