Antero Resources Corporation
US ˙ NYSE ˙ US03674X1063

SecurityAR / Antero Resources Corporation
InstitutionFreestone Capital Holdings, LLC
Latest Disclosed Ownership15,133 shares
Latest Disclosed Value $ 642,245
Freestone Capital Holdings, LLC reports 49.84% decrease in ownership of AR / Antero Resources Corporation

On May 13, 2026 - Freestone Capital Holdings, LLC filed a 13F-HR form disclosing ownership of 15,133 shares of Antero Resources Corporation (US:AR) valued at $642,245 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 30,172 shares of Antero Resources Corporation. This represents a change in shares of -49.84% during the quarter. The current value of the position is $538,129 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)
2026-05-13 2026-03-31 13F ANTERO RESOURCES COM 03674X106 15,133 -15,039 -49.84 642 -38.21 0.0195
2026-01-23 2025-12-31 13F ANTERO RESOURCES COM 03674X106 30,172 0 0.00 1,040 2.67 0.0308
2025-11-12 2025-09-30 13F ANTERO RESOURCES COM 03674X106 30,172 30,172 1,013 0.0310
2019-08-02 2019-06-30 13F ANTERO RES COM 03674X106 0 -17,252 -100.00 0 -100.00
2019-05-08 2019-03-31 13F ANTERO RES COM 03674X106 17,252 -10,394 -37.60 152 -41.54 0.0090
2019-02-11 2018-12-31 13F ANTERO RES COM 03674X106 27,646 -4,385 -13.69 260 -54.14 0.0176
2018-11-10 2018-09-30 13F ANTERO RES COM 03674X106 32,031 968 3.12 567 -14.48 0.0036
2018-08-14 2018-06-30 13F ANTERO RES COM 03674X106 31,063 1,706 5.81 663 13.72 0.0042
2018-05-15 2018-03-31 13F ANTERO RES COM 03674X106 29,357 17,861 155.37 583 167.43 0.0340
2018-02-13 2017-12-31 13F ANTERO RES COM 03674X106 11,496 -4,687 -28.96 218 -32.30 0.0151
2017-11-14 2017-09-30 13F ANTERO RES COM 03674X106 16,183 -5,495 -25.35 322 -31.20 0.0229
2017-08-14 2017-06-30 13F/A-1 ANTERO RES COM 03674X106 21,678 4,832 28.68 468 21.88 0.0364
2017-08-09 2017-06-30 13F ANTERO RES COM 03674X106 21,678 4,832 468 37,663.1466
2017-05-15 2017-03-31 13F ANTERO RES COM 03674X106 16,846 1,073 6.80 384 2.95 0.0296
2017-02-17 2016-12-31 13F/A-2 ANTERO RES COM 03674X106 15,773 1,129 7.71 373 -5.57 0.0320
2017-02-14 2016-12-31 13F/A-1 ANTERO RES COM 03674X106 15,773 1,129 373 32,036.0040
2017-02-14 2016-12-31 13F ANTERO RES COM 03674X106 15,773 1,129 373 32,036.0040
2016-11-14 2016-09-30 13F ANTERO RES COM 03674X106 14,644 175 1.21 395 5.05 0.0361
2016-08-10 2016-06-30 13F ANTERO RES COM 03674X106 14,469 911 6.72 376 11.57 0.0367
2016-05-12 2016-03-31 13F ANTERO RES COM 03674X106 13,558 2,736 25.28 337 42.80 0.0354
2016-02-10 2015-12-31 13F ANTERO RES COM 03674X106 10,822 10,822 236 0.0244
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.