Antero Midstream Corporation
US ˙ NYSE ˙ US03676B1026

SecurityAM / Antero Midstream Corporation
InstitutionCinctive Capital Management LP
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Cinctive Capital Management LP closes position in AM / Antero Midstream Corporation

On May 15, 2026 - Cinctive Capital Management LP filed a 13F-HR form disclosing ownership of 0 shares of Antero Midstream Corporation (US:AM) valued at $0 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 333,639 shares of Antero Midstream Corporation. The current value of the position is $0 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)
2026-05-15 2026-03-31 13F ANTERO MIDSTREAM COM 03676B102 0 -100.00 0
2026-02-17 2025-12-31 13F ANTERO MIDSTREAM COM 03676B102 333,639 234,320 235.93 5,935 207.51 0.3213
2025-11-14 2025-09-30 13F ANTERO MIDSTREAM COM 03676B102 99,319 -260,008 -72.36 1,931 -71.66 0.0923
2025-08-14 2025-06-30 13F ANTERO MIDSTREAM COM 03676B102 359,327 359,327 6,809 0.3600
2025-05-15 2025-03-31 13F ANTERO MIDSTREAM COM 03676B102 0 -2,488,840 -100.00 0 -100.00
2025-02-12 2024-12-31 13F ANTERO MIDSTREAM COM 03676B102 2,488,840 337,330 15.68 37,557 15.99 1.9110
2024-11-14 2024-09-30 13F ANTERO MIDSTREAM COM 03676B102 2,151,510 -514,734 -19.31 32,380 -17.61 1.7652
2024-08-14 2024-06-30 13F ANTERO MIDSTREAM COM 03676B102 2,666,244 811,717 43.77 39,300 50.72 1.8709
2024-05-15 2024-03-31 13F ANTERO MIDSTREAM COM 03676B102 1,854,527 1,400,201 308.19 26,075 358.08 1.2122
2024-02-14 2023-12-31 13F ANTERO MIDSTREAM COM 03676B102 454,326 -1,974,574 -81.29 5,693 -80.44 0.3780
2023-11-14 2023-09-30 13F ANTERO MIDSTREAM COM 03676B102 2,428,900 -1,491,831 -38.05 29,098 -36.02 1.4410
2023-08-14 2023-06-30 13F ANTERO MIDSTREAM COM 03676B102 3,920,731 636,758 19.39 45,480 32.03 1.5191
2023-05-15 2023-03-31 13F ANTERO MIDSTREAM COM 03676B102 3,283,973 1,171,851 55.48 34,449 51.16 1.1451
2023-02-14 2022-12-31 13F ANTERO MIDSTREAM COM 03676B102 2,112,122 -543,496 -20.47 22,790 -6.52 1.1133
2022-11-14 2022-09-30 13F ANTERO MIDSTREAM COM 03676B102 2,655,618 -2,154,800 -44.79 24,379 -44.00 1.0197
2022-08-15 2022-06-30 13F ANTERO MIDSTREAM COM 03676B102 4,810,418 1,342,479 38.71 43,534 15.49 1.8282
2022-05-16 2022-03-31 13F ANTERO MIDSTREAM COM 03676B102 3,467,939 339,524 10.85 37,696 24.48 1.4008
2022-02-14 2021-12-31 13F ANTERO MIDSTREAM COM 03676B102 3,128,415 2,064,628 194.08 30,283 173.19 1.3320
2021-11-15 2021-09-30 13F ANTERO MIDSTREAM COM 03676B102 1,063,787 206,541 24.09 11,085 24.45 0.5425
2021-08-16 2021-06-30 13F ANTERO MIDSTREAM COM 03676B102 857,246 857,246 8,907 0.4161
2021-05-17 2021-03-31 13F ANTERO MIDSTREAM COM 03676B102 0 -354,829 -100.00 0 -100.00
2021-02-16 2020-12-31 13F ANTERO MIDSTREAM COM 03676B102 354,829 -225,651 -38.87 2,736 -12.22 0.2231
2020-11-16 2020-09-30 13F ANTERO MIDSTREAM COM 03676B102 580,480 109,141 23.16 3,117 29.66 0.2734
2020-08-14 2020-06-30 13F ANTERO MIDSTREAM COM 03676B102 471,339 471,339 2,404 0.2758
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.