ANTERO MIDSTREAM CORP

Ticker: AM CUSIP: 03676B102 Class: Com

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 78,825 Value ($000) $1,402 Avg Close $17.75 Range $16.76 - $19.24

Q3 2025

Shares 79,725 Value ($000) $1,550 Avg Close $17.58 Range $16.36 - $19.34

Q2 2025

Shares 80,625 Value ($000) $1,528 Avg Close $17.16 Range $14.32 - $18.38

Q1 2025

Shares 80,225 Value ($000) $1,444 Avg Close $15.67 Range $14.22 - $17.38

Q4 2024

Shares 79,825 Value ($000) $1,205 Avg Close $14.21 Range $13.32 - $14.99

Q3 2024

Shares 80,025 Value ($000) $1,204 Avg Close $13.39 Range $12.11 - $14.12

Q2 2024

Shares 82,325 Value ($000) $1,213 Avg Close $12.99 Range $12.03 - $13.72

Q1 2024

Shares 83,625 Value ($000) $1,176 Avg Close $11.39 Range $10.36 - $12.63

Q4 2023

Shares 81,725 Value ($000) $1,024 Avg Close $11.02 Range $9.92 - $11.82

Q3 2023

Shares 81,425 Value ($000) $975 Avg Close $10.17 Range $9.62 - $10.67

Q2 2023

Shares 82,725 Value ($000) $960 Avg Close $8.94 Range $8.20 - $9.87

Q1 2023

Shares 84,625 Value ($000) $888 Avg Close $8.76 Range $7.91 - $9.37

Q4 2022

Shares 85,225 Value ($000) $920 Avg Close $8.56 Range $7.39 - $9.41

Q3 2022

Shares 84,425 Value ($000) $775 Avg Close $7.77 Range $6.64 - $8.55

Q2 2022

Shares 82,725 Value ($000) $749 Avg Close $8.02 Range $6.79 - $8.88

Q1 2022

Shares 82,425 Value ($000) $896 Avg Close $7.65 Range $6.95 - $8.72

Q4 2021

Shares 82,290 Value ($000) $797 Avg Close $7.64 Range $6.72 - $8.52

Q3 2021

Shares 81,290 Value ($000) $847 Avg Close $7.08 Range $6.12 - $7.87

Q2 2021

Shares 72,190 Value ($000) $750 Avg Close $6.74 Range $5.73 - $7.60

Q1 2021

Shares 105,990 Value ($000) $957 Avg Close $5.90 Range $5.05 - $6.72

Q4 2020

Shares 104,190 Value ($000) $803 Avg Close $4.46 Range $3.23 - $5.76

Q3 2020

Shares 104,190 Value ($000) $560 Avg Close $3.81 Range $3.03 - $4.82

Q2 2020

Shares 102,290 Value ($000) $522 Avg Close $2.62 Range $1.11 - $3.87

Q1 2020

Shares 82,400 Value ($000) $173 Avg Close $2.61 Range $0.95 - $4.18

Q4 2019

Shares 87,400 Value ($000) $663 Avg Close $3.30 Range $2.26 - $4.29

Q3 2019

Shares 75,000 Value ($000) $555 Avg Close $4.34 Range $3.32 - $6.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	78,825	$1,402	$17.75	$16.76 - $19.24
Q3 2025	79,725	$1,550	$17.58	$16.36 - $19.34
Q2 2025	80,625	$1,528	$17.16	$14.32 - $18.38
Q1 2025	80,225	$1,444	$15.67	$14.22 - $17.38
Q4 2024	79,825	$1,205	$14.21	$13.32 - $14.99
Q3 2024	80,025	$1,204	$13.39	$12.11 - $14.12
Q2 2024	82,325	$1,213	$12.99	$12.03 - $13.72
Q1 2024	83,625	$1,176	$11.39	$10.36 - $12.63
Q4 2023	81,725	$1,024	$11.02	$9.92 - $11.82
Q3 2023	81,425	$975	$10.17	$9.62 - $10.67
Q2 2023	82,725	$960	$8.94	$8.20 - $9.87
Q1 2023	84,625	$888	$8.76	$7.91 - $9.37
Q4 2022	85,225	$920	$8.56	$7.39 - $9.41
Q3 2022	84,425	$775	$7.77	$6.64 - $8.55
Q2 2022	82,725	$749	$8.02	$6.79 - $8.88
Q1 2022	82,425	$896	$7.65	$6.95 - $8.72
Q4 2021	82,290	$797	$7.64	$6.72 - $8.52
Q3 2021	81,290	$847	$7.08	$6.12 - $7.87
Q2 2021	72,190	$750	$6.74	$5.73 - $7.60
Q1 2021	105,990	$957	$5.90	$5.05 - $6.72
Q4 2020	104,190	$803	$4.46	$3.23 - $5.76
Q3 2020	104,190	$560	$3.81	$3.03 - $4.82
Q2 2020	102,290	$522	$2.62	$1.11 - $3.87
Q1 2020	82,400	$173	$2.61	$0.95 - $4.18
Q4 2019	87,400	$663	$3.30	$2.26 - $4.29
Q3 2019	75,000	$555	$4.34	$3.32 - $6.15