MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025
Shares 1,310,251 Value ($000) $35,979 Avg Close $26.13 Range $20.34 - $32.00
Q2 2025
Shares 2,317,660 Value ($000) $50,734 Avg Close $17.93 Range $10.51 - $24.00
Q1 2025
Shares 1,903,388 Value ($000) $27,142 Avg Close $19.04 Range $13.79 - $24.79
Q4 2024
Shares 1,469,280 Value ($000) $27,255 Avg Close $21.03 Range $15.21 - $28.27
Q3 2024
Shares 534,342 Value ($000) $14,053 Avg Close $32.33 Range $24.85 - $45.13
Q2 2024
Shares 518,345 Value ($000) $23,097 Avg Close $44.99 Range $35.60 - $49.97
Q1 2024
Shares 589,317 Value ($000) $23,084 Avg Close $33.50 Range $25.98 - $42.72
Q4 2023
Shares 585,493 Value ($000) $18,812 Avg Close $28.70 Range $21.96 - $33.95
Q3 2023
Shares 501,633 Value ($000) $14,678 Avg Close $38.00 Range $28.61 - $45.96
Q2 2023
Shares 487,455 Value ($000) $20,532 Avg Close $35.94 Range $28.64 - $43.99
Q1 2023
Shares 482,336 Value ($000) $17,205 Avg Close $45.28 Range $28.80 - $55.00
Q4 2022
Shares 650,070 Value ($000) $28,857 Avg Close $42.30 Range $33.79 - $50.59
Q3 2022
Shares 646,380 Value ($000) $21,751 Avg Close $39.65 Range $32.65 - $48.68
Q2 2022
Shares 613,329 Value ($000) $20,706 Avg Close $41.81 Range $28.36 - $57.49
Q1 2022
Shares 609,894 Value ($000) $32,282 Avg Close $49.52 Range $38.35 - $71.45
Q4 2021
Shares 596,720 Value ($000) $42,075 Avg Close $69.28 Range $59.20 - $80.42
Q3 2021
Shares 756,450 Value ($000) $46,703 Avg Close $52.31 Range $43.60 - $68.65
Q2 2021
Shares 748,146 Value ($000) $40,146 Avg Close $52.64 Range $46.06 - $59.62
Q1 2021
Shares 777,065 Value ($000) $39,001 Avg Close $42.25 Range $30.91 - $51.62
Q4 2020
Shares 748,360 Value ($000) $23,169 Avg Close $28.43 Range $21.98 - $35.89
Q3 2020
Shares 442,155 Value ($000) $10,532 Avg Close $25.41 Range $16.41 - $33.10