Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000105634.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
04 Jun 2026
Ownership snapshot
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.
Quick read
50 of 50 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
8%
from 13D/G
|
$3,033,113,681
4,108,185 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
7.5%
|
$2,462,351,304
3,335,118 shares
|
$0 | 31 Mar 2026 |
| FMR LLC |
13D/G
13F
Company
|
4.4%
|
$1,446,219,757
1,958,824 shares
|
-$503,700,253 | 31 Mar 2026 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
13D/G
Company
|
2.8%
from 13D/G
|
$521,960,223
706,966 shares
|
— | 31 Mar 2026 |
| Anthony Guzzi |
3/4/5
Chairman, President and CEO, Director
|
0.39%
|
$127,802,954
173,102 shares
|
-$26,261,280 | 30 Apr 2026 |
| John W. Altmeyer |
3/4/5
Director
|
0.08%
|
$25,043,475
33,920 shares
|
-$2,237,500 | 04 Jun 2026 |
| Maxine Lum Mauricio |
3/4/5
CAO, EVP & General Counsel
|
0.05%
|
$16,597,211
22,480 shares
|
-$2,467,395 | 30 Apr 2026 |
| Carol P. Lowe |
3/4/5
Director
|
0.04%
|
$13,457,914
18,228 shares
|
— | 04 Jun 2026 |
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.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$40,018,882.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 11,577 | $0 | $10,392,691 | -$10,392,691 |
| 3-6 | 0 | 39,357 | $0 | $28,728,875 | -$28,728,875 |
| 6-9 | 0 | 1,325 | $0 | $897,316 | -$897,316 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-17 of 17 reporting-owner rows connected to EMCOR Group, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Anthony Guzzi | Chairman, President and CEO, Director | $127,802,954 | -$26,261,280 | -17% | Median | 30 Apr 2026 |
| R. Kevin Matz | EVP - Shared Services | $54,599,822 | Mixed | 29 Feb 2024 | ||
| John W. Altmeyer | Director | $25,043,475 | -$2,237,500 | -8.2% | Median | 04 Jun 2026 |
| Mark A. Pompa | Evp & Cfo | $17,230,432 | Mixed | 29 Feb 2024 | ||
| Maxine Lum Mauricio | CAO, EVP & General Counsel | $16,597,211 | -$2,467,395 | -13% | Median | 30 Apr 2026 |
| David H. Laidley | Director | $15,842,327 | Mixed | 28 Apr 2023 | ||
| Jason R. Nalbandian | SVP, CFO, Chief Acct. Officer | $15,550,199 | -$685,144 | -4.2% | Filing P/S | 30 Apr 2026 |
| Carol P. Lowe | Director | $13,457,914 | Median | 04 Jun 2026 | ||
| Steven Schwarzwaelder | Director | $11,890,482 | -$5,014,854 | -30% | Median | 04 Jun 2026 |
| M. Kevin Mcevoy | Director | $10,010,745 | Median | 04 Jun 2026 | ||
| William P. Reid | Director | $9,395,741 | -$1,851,560 | -16% | Filing P/S | 11 May 2026 |
| A. Walker Lee | Director | $4,703,034 | -$897,317 | -16% | Median | 04 Jun 2026 |
| Ronald L. Johnson | Director | $4,004,593 | Median | 04 Jun 2026 | ||
| Robert Peter Lind | VP and Controller | $3,770,242 | -$603,832 | -14% | Filing P/S | 30 Apr 2026 |
| Amy E. Dahl | Director | $670,385 | Median | 04 Jun 2026 | ||
| Patrick J. Roche | Director | $341,099 | Median | 04 Jun 2026 | ||
| Rebecca A. Weyenberg | Director | $324,760 | Mixed | 08 Jun 2023 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| A. Walker Lee | EME | Common Stock | Award | 3.75% | 230 | 6,370 | 04 Jun 2026 | Direct | ||
| Steven Schwarzwaelder | EME | Common Stock | Award | 1.45% | 230 | 16,105 | 04 Jun 2026 | Direct | ||
| Patrick J. Roche | EME | Common Stock | Award | 192.4% | 304 | 462 | 04 Jun 2026 | Direct | ||
| M. Kevin Mcevoy | EME | Common Stock | Award | 1.73% | 230 | 13,559 | 04 Jun 2026 | Direct | ||
| Carol P. Lowe | EME | Common Stock | Award | 1.7% | 304 | 18,228 | 04 Jun 2026 | Direct | ||
| Ronald L. Johnson | EME | Common Stock | Award | 4.43% | 230 | 5,424 | 04 Jun 2026 | Direct | ||
| Amy E. Dahl | EME | Common Stock | Award | 33.9% | 230 | 908 | 04 Jun 2026 | Direct | ||
| John W. Altmeyer | EME | Common Stock | Award | 0.9% | 304 | 33,920 | 04 Jun 2026 | Direct | ||
| William P. Reid | EME | Common Stock | Sale | -16.5% | $1,851,560 | $925.78 | -2,000 | 10,149 | 11 May 2026 | Direct |
| John W. Altmeyer | EME | Common Stock | Sale | -6.92% | $2,237,500 | $895.00 | -2,500 | 33,616 | 01 May 2026 | Direct |
| Robert Peter Lind | EME | Common Stock | Sale | -13.8% | $603,632 | $894.27 | -675 | 4,216 | 30 Apr 2026 | Direct |
| Jason R. Nalbandian | EME | Common Stock | Sale | -4.22% | $685,144 | $856.43 | -800 | 18,157 | 30 Apr 2026 | Direct |
| Anthony Guzzi | EME | Common Stock | Gift | -1.76% | -3,000 | 167,312 | 30 Apr 2026 | Direct | ||
| Steven Schwarzwaelder | EME | Common Stock | Sale | -26.1% | $5,014,854 | $895.19 | -5,602 | 15,875 | 30 Apr 2026 | Direct |
| William P. Reid | EME | Common Stock | Award | 0.01% | 1 | 12,149 | 30 Apr 2026 | Direct | ||
| John W. Altmeyer | EME | Common Stock | Award | 0.01% | 2 | 36,116 | 30 Apr 2026 | Direct | ||
| Jason R. Nalbandian | EME | Common Stock | Award | 0.02% | 4 | 18,957 | 30 Apr 2026 | Direct | ||
| Maxine Lum Mauricio | EME | Common Stock | Award | 0.02% | 4 | 22,480 | 30 Apr 2026 | Direct | ||
| Anthony Guzzi | EME | Common Stock | Award | 0.01% | 13 | 170,312 | 30 Apr 2026 | Direct | ||
| Maxine Lum Mauricio | EME | Common Stock | Gift | -5.77% | -1,377 | 22,476 | 17 Mar 2026 | Direct | ||
| Anthony Guzzi | EME | Common Stock | Sale | -17.4% | $26,261,280 | $729.48 | -36,000 | 170,299 | 05 Mar 2026 | Direct |
| Maxine Lum Mauricio | EME | Common Stock | Sale | -12.3% | $2,467,395 | $735.00 | -3,357 | 23,853 | 02 Mar 2026 | Direct |
| Robert Peter Lind | EME | Common Stock | Tax liability | -4.55% | -233 | 4,891 | 27 Feb 2026 | Direct | ||
| Maxine Lum Mauricio | EME | Common Stock | Tax liability | -5.91% | -1,709 | 27,210 | 27 Feb 2026 | Direct | ||
| Anthony Guzzi | EME | Common Stock | Tax liability | -3.87% | -8,303 | 206,299 | 27 Feb 2026 | Direct | ||
| Jason R. Nalbandian | EME | Common Stock | Tax liability | -3.73% | -734 | 18,953 | 27 Feb 2026 | Direct | ||
| William P. Reid | EME | Common Stock | Award | 0.01% | 1 | 12,148 | 30 Jan 2026 | Direct | ||
| Carol P. Lowe | EME | Common Stock | Award | 0.01% | 1 | 17,924 | 30 Jan 2026 | Direct | ||
| John W. Altmeyer | EME | Common Stock | Award | 0.01% | 4 | 36,114 | 30 Jan 2026 | Direct | ||
| Jason R. Nalbandian | EME | Common Stock | Award | 0.02% | 4 | 19,687 | 30 Jan 2026 | Direct | ||
| Maxine Lum Mauricio | EME | Common Stock | Award | 0.02% | 6 | 28,919 | 30 Jan 2026 | Direct | ||
| Anthony Guzzi | EME | Common Stock | Award | 0.01% | 25 | 214,602 | 30 Jan 2026 | Direct | ||
| Robert Peter Lind | EME | Common Stock | Award | 6.82% | 327 | 5,124 | 02 Jan 2026 | Direct | ||
| Jason R. Nalbandian | EME | Common Stock | Award | 8.29% | 1,507 | 19,683 | 02 Jan 2026 | Direct | ||
| Maxine Lum Mauricio | EME | Common Stock | Award | 5.5% | 1,507 | 28,913 | 02 Jan 2026 | Direct | ||
| Anthony Guzzi | EME | Common Stock | Award | 3.5% | 7,261 | 214,577 | 02 Jan 2026 | Direct | ||
| Robert Peter Lind | EME | Common Stock | Sale | -0.01% | $200 | $625.09 | -0.32 | 4,797 | 23 Dec 2025 | Direct |
| Robert Peter Lind | EME | Common Stock | Tax liability | -4.93% | -249 | 4,797 | 08 Dec 2025 | Direct | ||
| A. Walker Lee | EME | Common Stock | Sale | -17.8% | $897,316 | $677.22 | -1,325 | 6,140 | 03 Nov 2025 | Direct |
| William P. Reid | EME | Common Stock | Award | 0.01% | 1 | 12,147 | 30 Oct 2025 | Direct | ||
| John W. Altmeyer | EME | Common Stock | Award | 0.01% | 2 | 36,110 | 30 Oct 2025 | Direct | ||
| Jason R. Nalbandian | EME | Common Stock | Award | 0.01% | 1 | 18,176 | 30 Oct 2025 | Direct | ||
| Maxine Lum Mauricio | EME | Common Stock | Award | 0.01% | 3 | 27,406 | 30 Oct 2025 | Direct | ||
| Anthony Guzzi | EME | Common Stock | Award | 0.01% | 12 | 207,316 | 30 Oct 2025 | Direct | ||
| Patrick J. Roche | EME | Common Stock | Award | 158 | 158 | 27 Oct 2025 | Direct | |||
| William P. Reid | EME | Common Stock | Award | 0.01% | 1 | 12,146 | 31 Jul 2025 | Direct | ||
| John W. Altmeyer | EME | Common Stock | Award | 0.01% | 2 | 36,108 | 31 Jul 2025 | Direct | ||
| Jason R. Nalbandian | EME | Common Stock | Award | 0.01% | 2 | 18,175 | 31 Jul 2025 | Direct | ||
| Maxine Lum Mauricio | EME | Common Stock | Award | 0.01% | 3 | 27,403 | 31 Jul 2025 | Direct | ||
| Anthony Guzzi | EME | Common Stock | Award | 0.01% | 15 | 207,304 | 31 Jul 2025 | Direct |