ANTERO MIDSTREAM CORP

Ticker: AM CUSIP: 03676B102 Class: Com

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q4 2025

Shares 159,955 Value ($000) $2,846 Avg Close $17.75 Range $16.76 - $19.24

Q3 2025

Shares 159,958 Value ($000) $3,110 Avg Close $17.58 Range $16.36 - $19.34

Q2 2025

Shares 177,537 Value ($000) $3,364 Avg Close $17.16 Range $14.32 - $18.38

Q1 2025

Shares 183,448 Value ($000) $3,302 Avg Close $15.67 Range $14.22 - $17.38

Q4 2024

Shares 184,971 Value ($000) $2,791 Avg Close $14.21 Range $13.32 - $14.99

Q3 2024

Shares 415,763 Value ($000) $6,241 Avg Close $13.39 Range $12.11 - $14.12

Q2 2024

Shares 296,130 Value ($000) $4,423 Avg Close $12.99 Range $12.03 - $13.72

Q1 2024

Shares 219,568 Value ($000) $3,089 Avg Close $11.39 Range $10.36 - $12.63

Q4 2023

Shares 217,564 Value ($000) $2,885 Avg Close $11.02 Range $9.92 - $11.82

Q3 2023

Shares 217,995 Value ($000) $2,559 Avg Close $10.17 Range $9.62 - $10.67

Q2 2023

Shares 211,737 Value ($000) $2,456 Avg Close $8.94 Range $8.20 - $9.87

Q1 2023

Shares 218,791 Value ($000) $2,306 Avg Close $8.76 Range $7.91 - $9.37

Q4 2022

Shares 212,901 Value ($000) $2,300 Avg Close $8.56 Range $7.39 - $9.41

Q3 2022

Shares 207,770 Value ($000) $2,074 Avg Close $7.77 Range $6.64 - $8.55

Q2 2022

Shares 312,804 Value ($000) $3,387 Avg Close $8.02 Range $6.79 - $8.88

Q1 2022

Shares 171,400 Value ($000) $1,889 Avg Close $7.65 Range $6.95 - $8.72

Q4 2021

Shares 152,965 Value ($000) $1,469 Avg Close $7.64 Range $6.72 - $8.52

Q3 2021

Shares 127,326 Value ($000) $1,355 Avg Close $7.08 Range $6.12 - $7.87

Q2 2021

Shares 111,163 Value ($000) $1,149 Avg Close $6.74 Range $5.73 - $7.60

Q1 2021

Shares 108,158 Value ($000) $965 Avg Close $5.90 Range $5.05 - $6.72

Q4 2020

Shares 105,374 Value ($000) $854 Avg Close $4.46 Range $3.23 - $5.76

Q3 2020

Shares 119,244 Value ($000) $660 Avg Close $3.81 Range $3.03 - $4.82

Q2 2020

Shares 136,510 Value ($000) $746 Avg Close $2.62 Range $1.11 - $3.87

Q1 2020

Shares 139,483 Value ($000) $317 Avg Close $2.61 Range $0.95 - $4.18

Q4 2019

Shares 253,138 Value ($000) $1,922 Avg Close $3.30 Range $2.26 - $4.29

Q3 2019

Shares 256,268 Value ($000) $1,896 Avg Close $4.34 Range $3.32 - $6.15

Q2 2019

Shares 761,523 Value ($000) $8,727 Avg Close $6.28 Range $5.32 - $7.00

Q1 2019

Shares 1,247,973 Value ($000) $17,197 Avg Close $6.27 Range $5.18 - $7.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	159,955	$2,846	$17.75	$16.76 - $19.24
Q3 2025	159,958	$3,110	$17.58	$16.36 - $19.34
Q2 2025	177,537	$3,364	$17.16	$14.32 - $18.38
Q1 2025	183,448	$3,302	$15.67	$14.22 - $17.38
Q4 2024	184,971	$2,791	$14.21	$13.32 - $14.99
Q3 2024	415,763	$6,241	$13.39	$12.11 - $14.12
Q2 2024	296,130	$4,423	$12.99	$12.03 - $13.72
Q1 2024	219,568	$3,089	$11.39	$10.36 - $12.63
Q4 2023	217,564	$2,885	$11.02	$9.92 - $11.82
Q3 2023	217,995	$2,559	$10.17	$9.62 - $10.67
Q2 2023	211,737	$2,456	$8.94	$8.20 - $9.87
Q1 2023	218,791	$2,306	$8.76	$7.91 - $9.37
Q4 2022	212,901	$2,300	$8.56	$7.39 - $9.41
Q3 2022	207,770	$2,074	$7.77	$6.64 - $8.55
Q2 2022	312,804	$3,387	$8.02	$6.79 - $8.88
Q1 2022	171,400	$1,889	$7.65	$6.95 - $8.72
Q4 2021	152,965	$1,469	$7.64	$6.72 - $8.52
Q3 2021	127,326	$1,355	$7.08	$6.12 - $7.87
Q2 2021	111,163	$1,149	$6.74	$5.73 - $7.60
Q1 2021	108,158	$965	$5.90	$5.05 - $6.72
Q4 2020	105,374	$854	$4.46	$3.23 - $5.76
Q3 2020	119,244	$660	$3.81	$3.03 - $4.82
Q2 2020	136,510	$746	$2.62	$1.11 - $3.87
Q1 2020	139,483	$317	$2.61	$0.95 - $4.18
Q4 2019	253,138	$1,922	$3.30	$2.26 - $4.29
Q3 2019	256,268	$1,896	$4.34	$3.32 - $6.15
Q2 2019	761,523	$8,727	$6.28	$5.32 - $7.00
Q1 2019	1,247,973	$17,197	$6.27	$5.18 - $7.03