ANTERO MIDSTREAM CORP

Ticker: AM CUSIP: 03676B102 Class: Com

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 932,828 Value ($000) $16,595 Avg Close $17.75 Range $16.76 - $19.24

Q3 2025

Shares 974,484 Value ($000) $18,944 Avg Close $17.58 Range $16.36 - $19.34

Q2 2025

Shares 986,675 Value ($000) $18,697 Avg Close $17.16 Range $14.32 - $18.38

Q1 2025

Shares 1,024,316 Value ($000) $18,438 Avg Close $15.67 Range $14.22 - $17.38

Q4 2024

Shares 1,010,233 Value ($000) $15,244 Avg Close $14.21 Range $13.32 - $14.99

Q3 2024

Shares 1,015,346 Value ($000) $15,281 Avg Close $13.39 Range $12.11 - $14.12

Q2 2024

Shares 1,024,828 Value ($000) $15,106 Avg Close $12.99 Range $12.03 - $13.72

Q1 2024

Shares 1,031,632 Value ($000) $14,505 Avg Close $11.39 Range $10.36 - $12.63

Q4 2023

Shares 1,071,059 Value ($000) $13,420 Avg Close $11.02 Range $9.92 - $11.82

Q3 2023

Shares 1,088,385 Value ($000) $13,039 Avg Close $10.17 Range $9.62 - $10.67

Q2 2023

Shares 1,095,471 Value ($000) $12,707 Avg Close $8.94 Range $8.20 - $9.87

Q1 2023

Shares 991,802 Value ($000) $10 Avg Close $8.76 Range $7.91 - $9.37

Q4 2022

Shares 995,668 Value ($000) $11 Avg Close $8.56 Range $7.39 - $9.41

Q3 2022

Shares 967,445 Value ($000) $8,881 Avg Close $7.77 Range $6.64 - $8.55

Q2 2022

Shares 925,124 Value ($000) $8,372 Avg Close $8.02 Range $6.79 - $8.88

Q1 2022

Shares 863,090 Value ($000) $9,382 Avg Close $7.65 Range $6.95 - $8.72

Q4 2021

Shares 837,897 Value ($000) $8,111 Avg Close $7.64 Range $6.72 - $8.52

Q3 2021

Shares 823,256 Value ($000) $8,578 Avg Close $7.08 Range $6.12 - $7.87

Q2 2021

Shares 790,627 Value ($000) $8,215 Avg Close $6.74 Range $5.73 - $7.60

Q1 2021

Shares 765,964 Value ($000) $6,917 Avg Close $5.90 Range $5.05 - $6.72

Q4 2020

Shares 775,359 Value ($000) $5,978 Avg Close $4.46 Range $3.23 - $5.76

Q3 2020

Shares 744,471 Value ($000) $3,998 Avg Close $3.81 Range $3.03 - $4.82

Q2 2020

Shares 759,399 Value ($000) $3,873 Avg Close $2.62 Range $1.11 - $3.87

Q1 2020

Shares 708,929 Value ($000) $1,489 Avg Close $2.61 Range $0.95 - $4.18

Q4 2019

Shares 645,477 Value ($000) $4,899 Avg Close $3.30 Range $2.26 - $4.29

Q3 2019

Shares 583,754 Value ($000) $4,320 Avg Close $4.34 Range $3.32 - $6.15

Q2 2019

Shares 177,794 Value ($000) $2,038 Avg Close $6.28 Range $5.32 - $7.00

Q1 2019

Shares 10,698 Value ($000) $147 Avg Close $6.27 Range $5.18 - $7.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	932,828	$16,595	$17.75	$16.76 - $19.24
Q3 2025	974,484	$18,944	$17.58	$16.36 - $19.34
Q2 2025	986,675	$18,697	$17.16	$14.32 - $18.38
Q1 2025	1,024,316	$18,438	$15.67	$14.22 - $17.38
Q4 2024	1,010,233	$15,244	$14.21	$13.32 - $14.99
Q3 2024	1,015,346	$15,281	$13.39	$12.11 - $14.12
Q2 2024	1,024,828	$15,106	$12.99	$12.03 - $13.72
Q1 2024	1,031,632	$14,505	$11.39	$10.36 - $12.63
Q4 2023	1,071,059	$13,420	$11.02	$9.92 - $11.82
Q3 2023	1,088,385	$13,039	$10.17	$9.62 - $10.67
Q2 2023	1,095,471	$12,707	$8.94	$8.20 - $9.87
Q1 2023	991,802	$10	$8.76	$7.91 - $9.37
Q4 2022	995,668	$11	$8.56	$7.39 - $9.41
Q3 2022	967,445	$8,881	$7.77	$6.64 - $8.55
Q2 2022	925,124	$8,372	$8.02	$6.79 - $8.88
Q1 2022	863,090	$9,382	$7.65	$6.95 - $8.72
Q4 2021	837,897	$8,111	$7.64	$6.72 - $8.52
Q3 2021	823,256	$8,578	$7.08	$6.12 - $7.87
Q2 2021	790,627	$8,215	$6.74	$5.73 - $7.60
Q1 2021	765,964	$6,917	$5.90	$5.05 - $6.72
Q4 2020	775,359	$5,978	$4.46	$3.23 - $5.76
Q3 2020	744,471	$3,998	$3.81	$3.03 - $4.82
Q2 2020	759,399	$3,873	$2.62	$1.11 - $3.87
Q1 2020	708,929	$1,489	$2.61	$0.95 - $4.18
Q4 2019	645,477	$4,899	$3.30	$2.26 - $4.29
Q3 2019	583,754	$4,320	$4.34	$3.32 - $6.15
Q2 2019	177,794	$2,038	$6.28	$5.32 - $7.00
Q1 2019	10,698	$147	$6.27	$5.18 - $7.03