Antero Midstream Corporation
US ˙ NYSE ˙ US03676B1026

SecurityAM / Antero Midstream Corporation
InstitutionBarclays Plc
Latest Disclosed Ownership1,367,140 shares
Latest Disclosed Value $ 24,321,422
Barclays Plc reports 7.21% decrease in ownership of AM / Antero Midstream Corporation

On February 13, 2026 - Barclays Plc filed a 13F-HR form disclosing ownership of 1,367,140 shares of Antero Midstream Corporation (US:AM) valued at $24,321,421 USD as of December 31, 2025. The entity filed a previous 13F-HR/A on March 31, 2026 disclosing 1,473,414 shares of Antero Midstream Corporation. This represents a change in shares of -7.21% during the quarter. The current value of the position is $29,079,068 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-02-13 2025-12-31 13F ANTERO MIDSTREAM COM 03676B102 1,367,140 -106,274 -7.21 24,321 -15.09 0.0058
2026-03-31 2025-09-30 13F/A-3 ANTERO MIDSTREAM COM 03676B102 1,473,414 -239,875 -14.00 28,643 -11.78 0.0062
2026-03-19 2025-09-30 13F/A-2 ANTERO MIDSTREAM COM 03676B102 1,334,762 -378,527 20,088 0.0053
2025-11-12 2025-09-30 13F ANTERO MIDSTREAM COM 03676B102 1,473,414 -239,875 28,643 0.0062
2026-02-27 2025-06-30 13F/A-2 ANTERO MIDSTREAM COM 03676B102 1,713,289 -195,954 -10.26 32,467 -5.53 0.0074
2025-08-14 2025-06-30 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,713,289 -195,954 32 0.0074
2025-08-13 2025-06-30 13F ANTERO MIDSTREAM COM 03676B102 1,713,289 -195,954 32 0.0024
2026-03-17 2025-03-31 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,909,243 138,390 7.81 34,366 28.61 0.0097
2025-05-15 2025-03-31 13F ANTERO MIDSTREAM COM 03676B102 1,909,243 138,390 34 0.0097
2026-03-19 2024-12-31 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,770,853 436,091 32.67 26,722 33.02 0.0075
2025-02-13 2024-12-31 13F ANTERO MIDSTREAM COM 03676B102 1,770,853 436,091 27 0.0075
2026-03-31 2024-09-30 13F/A-2 ANTERO MIDSTREAM COM 03676B102 1,334,762 -226,746 -14.52 20,088 -12.72 0.0053
2024-11-19 2024-09-30 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,334,762 -226,746 20 0.0053
2024-11-15 2024-09-30 13F ANTERO MIDSTREAM COM 03676B102 1,334,762 -226,746 20 0.0016
2026-03-23 2024-06-30 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,561,508 -58,237 -3.60 23,017 1.07 0.0070
2024-08-14 2024-06-30 13F ANTERO MIDSTREAM COM 03676B102 1,561,508 -58,237 23 0.0070
2026-03-24 2024-03-31 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,619,745 396,786 32.44 22,774 48.62 0.0079
2024-05-15 2024-03-31 13F ANTERO MIDSTREAM COM 03676B102 1,619,745 396,786 23 0.0079
2026-03-25 2023-12-31 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,222,959 86,814 7.64 15,324 12.58 0.0056
2024-02-15 2023-12-31 13F ANTERO MIDSTREAM COM 03676B102 1,222,959 86,814 15 0.0056
2026-03-26 2023-09-30 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,136,145 -46,385 -3.92 13,611 -0.77 0.0085
2023-11-07 2023-09-30 13F ANTERO MIDSTREAM COM 03676B102 1,136,145 -46,385 14 0.0085
2026-03-30 2023-06-30 13F/A-2 ANTERO MIDSTREAM COM 03676B102 1,182,530 -704,371 -37.33 13,717 -30.70 0.0087
2023-09-20 2023-06-30 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,182,530 -704,371 14 0.0087
2023-08-03 2023-06-30 13F ANTERO MIDSTREAM COM 03676B102 1,182,530 -704,371 14 0.0087
2026-03-30 2023-03-31 13F/A-1 ANTERO MIDSTREAM COM 03676B102 1,886,901 -600,716 -24.15 19,794 -26.26 0.0091
2023-05-04 2023-03-31 13F ANTERO MIDSTREAM COM 03676B102 1,886,901 -600,716 20 0.0091
2026-03-30 2022-12-31 13F/A-1 ANTERO MIDSTREAM COM 03676B102 2,487,617 66,215 2.73 26,841 20.75 0.0120
2023-02-13 2022-12-31 13F ANTERO MIDSTREAM COM 03676B102 2,487,617 66,215 27 0.0120
2022-11-03 2022-09-30 13F ANTERO MIDSTREAM COM 03676B102 2,421,402 -111,659 -4.41 22,229 -3.04 0.0243
2022-08-12 2022-06-30 13F ANTERO MIDSTREAM COM 03676B102 2,533,061 1,185,372 87.96 22,926 56.50 0.0140
2022-05-16 2022-03-31 13F ANTERO MIDSTREAM COM 03676B102 1,347,689 1,172,238 668.13 14,649 762.21 0.0115
2022-02-23 2021-12-31 13F/A-1 ANTERO MIDSTREAM COM 03676B102 175,451 -70,337 -28.62 1,699 -33.66 0.0006
2022-02-14 2021-12-31 13F ANTERO MIDSTREAM COM 03676B102 175,451 -70,337 1,699 0.0002
2021-11-09 2021-09-30 13F ANTERO MIDSTREAM COM 03676B102 245,788 -203,824 -45.33 2,561 -45.18 0.0012
2021-08-13 2021-06-30 13F ANTERO MIDSTREAM COM 03676B102 449,612 296,948 194.51 4,672 239.04 0.0022
2021-05-13 2021-03-31 13F ANTERO MIDSTREAM COM 03676B102 152,664 102,884 206.68 1,378 258.85 0.0007
2021-02-11 2020-12-31 13F ANTERO MIDSTREAM COM 03676B102 49,780 -94,604 -65.52 384 -50.52 0.0002
2020-11-12 2020-09-30 13F ANTERO MIDSTREAM COM 03676B102 144,384 129,589 875.90 776 934.67 0.0005
2020-08-12 2020-06-30 13F ANTERO MIDSTREAM COM 03676B102 14,795 -27,439 -64.97 75 -14.77 0.0001
2020-05-13 2020-03-31 13F ANTERO MIDSTREAM COM 03676B102 42,234 -5,975,745 -99.30 88 -99.81 0.0001
2020-02-10 2019-12-31 13F ANTERO MIDSTREAM COM 03676B102 6,017,979 5,024,234 505.59 45,677 521.12 0.0253
2019-11-15 2019-09-30 13F/A-1 ANTERO MIDSTREAM COM 03676B102 993,745 -283,772 -22.21 7,354 -49.77 0.0046
2019-11-14 2019-09-30 13F ANTERO MIDSTREAM COM 03676B102 993,745 7,354
2019-08-14 2019-06-30 13F ANTERO MIDSTREAM COM 03676B102 1,277,517 868,672 212.47 14,641 159.82 0.0090
2019-05-15 2019-03-31 13F ANTERO MIDSTREAM COM 03676B102 408,845 -398,103 -49.33 5,635 -67.35 0.0039
2019-02-14 2018-12-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 806,948 21,455 2.73 17,261 -23.33 0.0133
2019-02-14 2018-12-31 13F ANTERO MIDSTREAM GP COM 03675Y103 277,883 22,411 3,106 0.0024
2018-11-14 2018-09-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 785,493 429,982 120.95 22,512 114.50 0.0156
2018-11-14 2018-09-30 13F ANTERO MIDSTREAM GP COM 03675Y103 255,472 -1,587 4,322 0.0030
2018-08-14 2018-06-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 355,511 -587,977 -62.32 10,495 -57.04 0.0090
2018-08-14 2018-06-30 13F ANTERO MIDSTREAM GP COM 03675Y103 257,059 232,905 4,848 0.0042
2018-05-15 2018-03-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 943,488 -569,111 -37.62 24,427 -44.39 0.0187
2018-05-15 2018-03-31 13F ANTERO MIDSTREAM GP COM 03675Y103 24,154 1,442 386 0.0003
2018-02-14 2017-12-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 1,512,599 -2,162,330 -58.84 43,926 -62.09 0.0359
2018-02-14 2017-12-31 13F ANTERO MIDSTREAM GP COM 03675Y103 22,712 -3,652,217 448 0.0004
2017-11-14 2017-09-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 3,674,929 2,964,663 417.40 115,869 391.68 0.1193
2017-08-14 2017-06-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 710,266 584,851 466.33 23,566 466.76 0.0252
2017-08-14 2017-06-30 13F ANTERO MIDSTREAM GP COM 03675Y103 600 -124,815 13 0.0000
2017-05-15 2017-03-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 125,415 74,301 145.36 4,158 163.50 0.0045
2017-02-14 2016-12-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 51,114 -37,785 -42.50 1,578 -33.53 0.0017
2016-11-14 2016-09-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 88,899 38,370 75.94 2,374 68.61 0.0026
2016-08-12 2016-06-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 50,529 -210,110 -80.61 1,408 -75.44 0.0018
2016-05-16 2016-03-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 260,639 203,133 353.24 5,734 353.28 0.0087
2016-02-12 2015-12-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 57,506 47,457 472.26 1,265 639.77 0.0015
2015-11-13 2015-09-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 10,049 -951 -8.65 171 -44.48 0.0002
2015-08-14 2015-06-30 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 11,000 7,140 184.97 308 234.78 0.0003
2015-05-19 2015-03-31 13F/A-1 ANTERO MIDSTREAM PARTNERS COM 03673L103 3,860 435 12.70 92 -1.08 0.0001
2015-05-14 2015-03-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 3,860 92
2015-02-13 2014-12-31 13F ANTERO MIDSTREAM PARTNERS COM 03673L103 3,425 3,425 93 0.0001
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.