DOSSIER · 13F Holders · Q1 2026
MEG

MONTROSE ENVIRONMENTAL GROUP

179 institutions still hold MONTROSE ENVIRONMENTAL GROUP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 615111101·179 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$512M
visible holders
Holders
179
filers reporting
Concentration
13.46%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

179 institutions reported MEG in Q1 2026. BlackRock, Inc. leads at 13.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$69M3.2M0.00%Q1 2026
02
BAMCO INC /NY/
CIK 0001017918
$47M2.2M0.14%Q1 2026
03
GOLDMAN SACHS GROUP INC
CIK 0000886982
$43M2.0M0.00%Q1 2026
04
Delaware Management Holdings, Inc.
CIK 0000921739
$34M1.5M0.06%Q1 2026
05
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$33M1.5M0.01%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$31M1.4M0.00%Q1 2026
07
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$29M1.3M0.02%Q1 2026
08
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$28M1.1M0.01%Q1 2026
09
ROYCE & ASSOCIATES LP
CIK 0000906304
$21M955K0.21%Q1 2026
10
Amundi
CIK 0001330387
$19M880K0.01%Q1 2026
11
JANUS HENDERSON GROUP PLC
CIK 0001274173
$19M867K0.01%Q1 2026
12
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$19M859K0.00%Q1 2026
13
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$18M804K0.00%Q1 2026
14
TRUIST FINANCIAL CORP
CIK 0000092230
$17M795K0.02%Q1 2026
15
Legal & General Group Plc
CIK 0000764068
$16M754K0.00%Q1 2026
16
STATE STREET CORP
CIK 0000093751
$16M728K0.00%Q1 2026
17
Stephens Investment Management Group LLC
CIK 0001314440
$15M695K0.21%Q1 2026
18
ALGERT GLOBAL LLC
CIK 0001275218
$13M599K0.20%Q1 2026
19
FMR LLC
CIK 0000315066
$12M568K0.00%Q1 2026
20
Summit Creek Advisors LLC
CIK 0001333709
$11M511K2.30%Q1 2026
Page 1 of 9
159 more holders available. Log in →
Insiders at MONTROSE ENVIRONMENTAL GROUP
Perlman Richard EManthripragada VijayLaws JamesRevuelta JoseDicks AllanAfsari NasymColman VincentFernandez De Castro Jose Miguel