ANTERO MIDSTREAM CORP

Ticker: AM CUSIP: 03676B102 Class: Com

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025

Shares 707,600 Value ($000) $12,588 Avg Close $17.75 Range $16.76 - $19.24

Q3 2025

Shares 696,900 Value ($000) $13,548 Avg Close $17.58 Range $16.36 - $19.34

Q2 2025

Shares 685,800 Value ($000) $12,996 Avg Close $17.16 Range $14.32 - $18.38

Q1 2025

Shares 699,400 Value ($000) $12,589 Avg Close $15.67 Range $14.22 - $17.38

Q4 2024

Shares 709,900 Value ($000) $10,712 Avg Close $14.21 Range $13.32 - $14.99

Q3 2024

Shares 704,500 Value ($000) $10,603 Avg Close $13.39 Range $12.11 - $14.12

Q2 2024

Shares 709,000 Value ($000) $10,451 Avg Close $12.99 Range $12.03 - $13.72

Q1 2024

Shares 709,000 Value ($000) $9,969 Avg Close $11.39 Range $10.36 - $12.63

Q4 2023

Shares 709,000 Value ($000) $8,884 Avg Close $11.02 Range $9.92 - $11.82

Q3 2023

Shares 790,700 Value ($000) $9,473 Avg Close $10.17 Range $9.62 - $10.67

Q2 2023

Shares 729,400 Value ($000) $8,461 Avg Close $8.94 Range $8.20 - $9.87

Q1 2023

Shares 671,300 Value ($000) $7,042 Avg Close $8.76 Range $7.91 - $9.37

Q4 2022

Shares 750,900 Value ($000) $8,102 Avg Close $8.56 Range $7.39 - $9.41

Q3 2022

Shares 737,400 Value ($000) $6,769 Avg Close $7.77 Range $6.64 - $8.55

Q2 2022

Shares 731,400 Value ($000) $6,619 Avg Close $8.02 Range $6.79 - $8.88

Q1 2022

Shares 733,900 Value ($000) $7,977 Avg Close $7.65 Range $6.95 - $8.72

Q4 2021

Shares 684,200 Value ($000) $6,623 Avg Close $7.64 Range $6.72 - $8.52

Q3 2021

Shares 685,600 Value ($000) $7,144 Avg Close $7.08 Range $6.12 - $7.87

Q2 2021

Shares 683,300 Value ($000) $7,099 Avg Close $6.74 Range $5.73 - $7.60

Q1 2021

Shares 653,500 Value ($000) $5,901 Avg Close $5.90 Range $5.05 - $6.72

Q4 2020

Shares 648,400 Value ($000) $4,999 Avg Close $4.46 Range $3.23 - $5.76

Q3 2020

Shares 648,400 Value ($000) $3,482 Avg Close $3.81 Range $3.03 - $4.82

Q2 2020

Shares 648,400 Value ($000) $3,307 Avg Close $2.62 Range $1.11 - $3.87

Q1 2020

Shares 439,300 Value ($000) $923 Avg Close $2.61 Range $0.95 - $4.18

Q4 2019

Shares 436,600 Value ($000) $3,314 Avg Close $3.30 Range $2.26 - $4.29

Q3 2019

Shares 428,500 Value ($000) $3,171 Avg Close $4.34 Range $3.32 - $6.15

Q2 2019

Shares 424,200 Value ($000) $4,861 Avg Close $6.28 Range $5.32 - $7.00

Q1 2019

Shares 415,800 Value ($000) $5,730 Avg Close $6.27 Range $5.18 - $7.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	707,600	$12,588	$17.75	$16.76 - $19.24
Q3 2025	696,900	$13,548	$17.58	$16.36 - $19.34
Q2 2025	685,800	$12,996	$17.16	$14.32 - $18.38
Q1 2025	699,400	$12,589	$15.67	$14.22 - $17.38
Q4 2024	709,900	$10,712	$14.21	$13.32 - $14.99
Q3 2024	704,500	$10,603	$13.39	$12.11 - $14.12
Q2 2024	709,000	$10,451	$12.99	$12.03 - $13.72
Q1 2024	709,000	$9,969	$11.39	$10.36 - $12.63
Q4 2023	709,000	$8,884	$11.02	$9.92 - $11.82
Q3 2023	790,700	$9,473	$10.17	$9.62 - $10.67
Q2 2023	729,400	$8,461	$8.94	$8.20 - $9.87
Q1 2023	671,300	$7,042	$8.76	$7.91 - $9.37
Q4 2022	750,900	$8,102	$8.56	$7.39 - $9.41
Q3 2022	737,400	$6,769	$7.77	$6.64 - $8.55
Q2 2022	731,400	$6,619	$8.02	$6.79 - $8.88
Q1 2022	733,900	$7,977	$7.65	$6.95 - $8.72
Q4 2021	684,200	$6,623	$7.64	$6.72 - $8.52
Q3 2021	685,600	$7,144	$7.08	$6.12 - $7.87
Q2 2021	683,300	$7,099	$6.74	$5.73 - $7.60
Q1 2021	653,500	$5,901	$5.90	$5.05 - $6.72
Q4 2020	648,400	$4,999	$4.46	$3.23 - $5.76
Q3 2020	648,400	$3,482	$3.81	$3.03 - $4.82
Q2 2020	648,400	$3,307	$2.62	$1.11 - $3.87
Q1 2020	439,300	$923	$2.61	$0.95 - $4.18
Q4 2019	436,600	$3,314	$3.30	$2.26 - $4.29
Q3 2019	428,500	$3,171	$4.34	$3.32 - $6.15
Q2 2019	424,200	$4,861	$6.28	$5.32 - $7.00
Q1 2019	415,800	$5,730	$6.27	$5.18 - $7.03