Montrose Environmental Group, Inc.
Montrose Environmental Group, Inc. (MEG) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MEG · as of Mar 31, 2025
Ownership Breakdown
180
Institutional Holders
▲ 5 vs Q4
$490.27M
Total Inst. Value
▼ $133.93M vs Q4
36.17M
Shares Outstanding
freeFloat 92.22%
34.37M
13F Shares Held
▲ 687,820 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MEG largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-management consulting services | 2.79M | 8.10% | 8.10% | $39.83B | May 2, 2025 | ▼ 26.5K |
BAMCO INC /NY/ services-management consulting services | 2.70M | 7.81% | 7.81% | $38.44B | May 15, 2025 | ▲ 403.1K |
UBS ASSET MANAGEMENT AMERICAS INC services-management consulting services | 2.38M | 6.89% | 6.89% | $33.91B | May 19, 2025 | ▲ 97.0K |
MACQUARIE GROUP LTD services-management consulting services | 1.92M | 5.55% | 5.55% | $27.33B | Aug 14, 2025 | ▲ 389.8K |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC services-management consulting services | 1.90M | 5.52% | 5.52% | $27.14B | May 9, 2025 | ▲ 434.1K |
BANK OF AMERICA CORP /DE/ services-management consulting services | 1.81M | 5.24% | 5.24% | $25.78B | May 15, 2025 | ▼ 11.0K |
VANGUARD GROUP INC services-management consulting services | 1.78M | 5.17% | 5.17% | $25.44B | May 9, 2025 | ▼ 18.7K |
MILLENNIUM MANAGEMENT LLC services-management consulting services | 1.50M | 4.36% | 4.36% | $21.45B | May 15, 2025 | ▲ 62.8K |
FRED ALGER MANAGEMENT, LLC services-management consulting services | 990.9K | 2.87% | 2.87% | $14.13B | May 16, 2025 | ▼ 23.0K |
ROYCE & ASSOCIATES LP services-management consulting services | 852.8K | 2.47% | 2.47% | $12.16B | May 6, 2025 | ▲ 534.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
24
Increased
+3.75M shares1
New Positions
first time holders25
Decreased
−1.39M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.37M
+3.75M / −1.39M
Net new holders
+0
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MEG insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
16
Buy transactions
14
Sell transactions
1.14
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Manthripragada Vijay President & CEO | Mar 13, 2026 | Sale | 46,121 | $25.41 | $1.17M | 236.8K | Form 4 ↗ |
PERLMAN RICHARD E director | Mar 13, 2026 | Gift | 74,461 | — | — | 618.6K | Form 4 ↗ |
Laws James Chief Operating Officer | Mar 11, 2026 | Award | 18,761 | — | — | 18.8K | Form 4 ↗ |
Revuelta Jose Chief Strategy Officer | Mar 3, 2026 | Sale | 60,000 | $28.00 | $1.68M | 269.3K | Form 4 ↗ |
Revuelta Jose Chief Strategy Officer | Mar 4, 2026 | Sale | 42,668 | $27.56 | $1.18M | 269.3K | Form 4 ↗ |
Revuelta Jose Chief Strategy Officer | Mar 9, 2026 | Sale | 7,858 | $27.00 | $212.2K | 269.3K | Form 4 ↗ |
Revuelta Jose Chief Strategy Officer | Mar 3, 2026 | Award | 60,000 | $6.03 | $361.8K | 329.3K | Form 4 ↗ |
Revuelta Jose Chief Strategy Officer | Mar 4, 2026 | Award | 42,668 | $6.03 | $257.3K | 311.9K | Form 4 ↗ |
Revuelta Jose Chief Strategy Officer | Mar 3, 2026 | D-Return | 60,000 | $28.37 | $1.70M | 269.3K | Form 4 ↗ |
Revuelta Jose Chief Strategy Officer | Mar 4, 2026 | D-Return | 42,668 | $27.56 | $1.18M | 269.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Montrose Environmental Group, Inc. (MEG) is primarily owned by institutional investors, who hold approximately 95.0% of total shares outstanding. Company insiders own approximately 7.78%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Montrose Environmental Group, Inc. is BLACKROCK, INC., holding approximately 2.79 million shares — equal to 8.10% of outstanding shares — as of March 31, 2025.
A total of 180 institutional investors currently hold MEG stock, with a combined institutional value of approximately $490,266,052 as of the most recent 13F filing period.
Frequently asked questions
MEG ownershipMontrose Environmental Group, Inc. (MEG) is primarily owned by institutional investors, who hold approximately 95.0% of shares. The largest shareholder is BLACKROCK, INC. with a 8.10% stake. Company insiders hold 7.78%. Data sourced from SEC Form 13F as of March 31, 2025.