ANTERO RESOURCES Corp (NYSE: AR), an SEC filer in Crude Petroleum & Natural Gas, closed at $38.45, -0.2%, on 2026-08-28, with a market cap of $11.8B as of 2026-08-27, a trailing P/E of 19.0, a return on equity of 9.3%, a net margin of 12.8% and 3-year sales growth of -9.6%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 27,428,50227.4M | $1.2B | 8.89% | ADD 5% |
| 2 | FMR LLC | 22,775,23922.8M | $967M | 7.38% | TRIM -4% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 14,034,74814.0M | $596M | 4.55% | NEW† |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 13,195,51013.2M | $560M | 4.28% | NEW† |
| 5 | STATE STREET CORP | 10,803,56410.8M | $459M | 3.50% | ADD 9% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 10,239,07010.2M | $435M | 3.32% | ADD 13% |
| 7 | Invesco Ltd. | 8,968,5679.0M | $381M | 2.91% | ADD 79% |
| 8 | Sourcerock Group LLC | 8,305,8868.3M | $353M | 2.69% | TRIM -9% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 5,629,0995.6M | $239M | 1.82% | ADD 5% |
| 10 | AQR CAPITAL MANAGEMENT LLC | 5,475,8915.5M | $232M | 1.77% | ADD 17% |
† NEW this big is usually a rename.
Ranked by each filer’s own reported value, not shares.
1 holder — The filer reported no value for this line, so it carries no dollar figure and is left out of the percentage and value columns.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC | +14,034,748 | $596M | OPEN |
| VANGUARD CAPITAL MANAGEMENT LLC | +13,195,510 | $560M | OPEN |
| Orbis Allan Gray Ltd | +4,127,938 | $175M | ADD |
| Invesco Ltd. | +3,968,820 | $168M | ADD |
| Assenagon Asset Management S.A. | +2,309,388 | $98M | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −28,630,790 | $1.2B | CLOSE |
| WELLINGTON MANAGEMENT GROUP LLP | −6,544,340 | $278M | TRIM |
| Ninepoint Partners LP | −2,500,000 | $106M | CLOSE |
| D. E. Shaw & Co., Inc. | −1,464,580 | $62M | TRIM |
| Alyeska Investment Group, L.P. | −1,419,773 | $60M | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 26.6M | 28.2M | 29.9M | 28.2M | 26.1M | 27.4M | $1.2B |
| FMR LLC | 30.5M | 25.7M | 25.0M | 25.1M | 23.7M | 22.8M | $967M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | — | — | — | — | — | 14.0M | $596M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 13.2M | $560M |
| STATE STREET CORP | 10.7M | 10.4M | 10.1M | 10.2M | 9.9M | 10.8M | $459M |
| DIMENSIONAL FUND ADVISORS LP | 11.8M | 8.3M | 6.0M | 8.0M | 9.1M | 10.2M | $435M |
| Invesco Ltd. | 3.1M | 4.4M | 5.3M | 4.2M | 5.0M | 9.0M | $381M |
| Sourcerock Group LLC | 6.4M | 7.4M | 8.2M | 7.8M | 9.2M | 8.3M | $353M |
| GEODE CAPITAL MANAGEMENT, LLC | 4.8M | 5.1M | 5.0M | 5.5M | 5.3M | 5.6M | $239M |
| AQR CAPITAL MANAGEMENT LLC | 647K | 1.3M | 1.4M | 3.5M | 4.7M | 5.5M | $232M |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
SEC Schedule 13D/G XML · group aggregate.
