A
Antero Resources
AR · Appalachian Gas Molecules
$33.58
-0.34 (-1.00%)
As of Jul 15, 2026 close
Institutional Ownership — Q1 2026 (filed through May 21)
Institutional Holders
622
+46 vs Q4 2025
Shares Held
270.4M
+7.9M QoQ
% of Shares Out
39.1%
121.1M held with sole discretion
Value Held
$9.1B
at $33.58 · Jul 15, 2026 close
5%+ Owners
1
via 13G/13D
% of Shares Out counts only shares held with sole investment discretion. Where two managers share discretion, Form 13F requires each to report the full position, so summing every filer exceeds 100% of shares outstanding for widely-held names.
Holder Map
Block size ∝ position · color = QoQ changeWhale Activity — Q1 2026 Filings
Increased238
Decreased166
New position140
Closed94
Institutional Shares Held by Quarter
Holders
Sortable · search holders| Source | % of Shrs Out | Period | |||||
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13F | 27,428,502 | +1,335,807 +5.1% | $1.2B | 8.9% | Mar 31, 2026 | |
| FMR LLC | 13F | 22,775,239 | -881,165 -3.7% | $966.6M | 7.4% | Mar 31, 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 13F | 14,034,748 | +14,034,748 new | $595.6M | 4.5% | Mar 31, 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 13F | 13,195,510 | +13,195,510 new | $560.0M | 4.3% | Mar 31, 2026 | |
| STATE STREET CORP | 13F | 10,803,564 | +917,432 +9.3% | $458.5M | 3.5% | Mar 31, 2026 | |
| DIMENSIONAL FUND ADVISORS LP | 13F | 10,239,070 | +1,153,422 +12.7% | $434.6M | 3.3% | Mar 31, 2026 | |
| Invesco Ltd. | 13F | 8,968,567 | +3,968,820 +79.4% | $380.6M | 2.9% | Mar 31, 2026 | |
| Sourcerock Group LLC | 13F | 8,305,886 | -858,242 -9.4% | $352.5M | 2.7% | Mar 31, 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC | 13F | 5,629,099 | +284,540 +5.3% | $239.0M | 1.8% | Mar 31, 2026 | |
| AQR CAPITAL MANAGEMENT LLC | 13F | 5,475,891 | +781,527 +16.6% | $232.4M | 1.8% | Mar 31, 2026 | |
| Orbis Allan Gray Ltd | 13F | 4,872,046 | +4,127,938 +554.7% | $206.8M | 1.6% | Mar 31, 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP | 13F | 4,764,790 | -6,544,340 -57.9% | $202.2M | 1.5% | Mar 31, 2026 | |
| GOLDMAN SACHS GROUP INC | 13F | 4,750,391 | +742,960 +18.5% | $201.6M | 1.5% | Mar 31, 2026 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 13F | 4,227,927 | +239,627 +6.0% | $179.4M | 1.4% | Mar 31, 2026 | |
| NEUBERGER BERMAN GROUP LLC | 13F | 3,834,807 | +19,283 +0.5% | $162.8M | 1.2% | Mar 31, 2026 | |
| RAYMOND JAMES FINANCIAL INC | 13F | 3,815,679 | -532,341 -12.2% | $165.5M | 1.2% | Mar 31, 2026 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 13F | 3,618,110 | +180,000 +5.2% | $153.6M | 1.2% | Mar 31, 2026 | |
| Assenagon Asset Management S.A. | 13F | 3,611,248 | +2,309,388 +177.4% | $153.3M | 1.2% | Mar 31, 2026 | |
| MORGAN STANLEY | 13F | 3,577,596 | +159,771 +4.7% | $151.8M | 1.2% | Mar 31, 2026 | |
| Bank of New York Mellon Corp | 13F | 3,478,218 | +377,010 +12.2% | $147.6M | 1.1% | Mar 31, 2026 | |
| Qube Research & Technologies Ltd | 13F | 2,806,927 | +565,582 +25.2% | $119.1M | 0.9% | Mar 31, 2026 | |
| NORTHERN TRUST CORP | 13F | 2,618,205 | +260,040 +11.0% | $111.1M | 0.8% | Mar 31, 2026 | |
| D. E. Shaw & Co., Inc. | 13F | 2,545,861 | -1,464,580 -36.5% | $108.0M | 0.8% | Mar 31, 2026 | |
| Eurizon Capital SGR S.p.A. | 13F | 2,515,431 | +812,998 +47.8% | $107.8M | 0.8% | Mar 31, 2026 | |
| CANADA PENSION PLAN INVESTMENT BOARD | 13F | 2,339,232 | +100,700 +4.5% | $99.3M | 0.8% | Mar 31, 2026 | |
| JUPITER ASSET MANAGEMENT LTD | 13F | 2,265,082 | +532,292 +30.7% | $96.1M | 0.7% | Mar 31, 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 13F | 2,251,381 | +105,962 +4.9% | $95.5M | 0.7% | Mar 31, 2026 | |
| Palo Duro Investment Partners, LP | 13F | 2,115,112 | +181,624 +9.4% | $89.8M | 0.7% | Mar 31, 2026 | |
| UBS Group AG | 13F | 1,942,148 | +1,004,471 +107.1% | $82.4M | 0.6% | Mar 31, 2026 | |
| VANGUARD FIDUCIARY TRUST CO | 13F | 1,821,686 | +1,821,686 new | $77.3M | 0.6% | Mar 31, 2026 | |
| FIRST TRUST ADVISORS LP | 13F | 1,765,305 | +980,039 +124.8% | $74.9M | 0.6% | Mar 31, 2026 | |
| DIAMOND HILL CAPITAL MANAGEMENT INC | 13F | 1,705,804 | +1,045,818 +158.5% | $72.4M | 0.6% | Mar 31, 2026 | |
| CITADEL ADVISORS LLC | 13F | 1,622,714 | +1,210,815 +294.0% | $68.9M | 0.5% | Mar 31, 2026 | |
| Goehring & Rozencwajg Associates, LLC | 13F | 1,617,138 | +433,518 +36.6% | $68.6M | 0.5% | Mar 31, 2026 | |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 13F | 1,441,273 | -313,075 -17.8% | $61.2M | 0.5% | Mar 31, 2026 | |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 13F | 1,349,237 | +1,349,237 new | $57.3M | 0.4% | Mar 31, 2026 | |
| Freestone Grove Partners LP | 13F | 1,347,024 | -544,982 -28.8% | $57.2M | 0.4% | Mar 31, 2026 | |
| Squarepoint Ops LLC | 13F | 1,294,639 | -881,120 -40.5% | $54.9M | 0.4% | Mar 31, 2026 | |
| FRANKLIN RESOURCES INC | 13F | 1,257,191 | +36,917 +3.0% | $53.4M | 0.4% | Mar 31, 2026 | |
| SIR Capital Management, L.P. | 13F | 1,244,157 | +729,491 +141.7% | $52.8M | 0.4% | Mar 31, 2026 | |
| Stephens Investment Management Group LLC | 13F | 1,180,915 | -7,055 -0.6% | $50.1M | 0.4% | Mar 31, 2026 | |
| Long Focus Capital Management, LLC | 13F | 1,170,000 | -141,540 -10.8% | $49.7M | 0.4% | Mar 31, 2026 | |
| Bornite Capital Management LP | 13F | 1,040,000 | +1,040,000 new | $44.1M | 0.3% | Mar 31, 2026 | |
| VICTORY CAPITAL MANAGEMENT INC | 13F | 1,007,801 | -99,795 -9.0% | $42.8M | 0.3% | Mar 31, 2026 | |
| GW&K Investment Management, LLC | 13F | 1,007,300 | -6,345 -0.6% | $42.8M | 0.3% | Mar 31, 2026 | |
| BANK OF AMERICA CORP /DE/ | 13F | 1,002,942 | +239,291 +31.3% | $42.6M | 0.3% | Mar 31, 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ | 13F | 998,301 | +766,022 +329.8% | $42.4M | 0.3% | Mar 31, 2026 | |
| Gemsstock Ltd. | 13F | 992,354 | +42,600 +4.5% | $42.1M | 0.3% | Mar 31, 2026 | |
| Merewether Investment Management, LP | 13F | 951,200 | +223,500 +30.7% | $40.4M | 0.3% | Mar 31, 2026 | |
| Covalis Capital LLP | 13F | 923,808 | +490,733 +113.3% | $39.2M | 0.3% | Mar 31, 2026 |
Page 1 of 13
Derivatives Institutional Owners
13F put/call positions · excluded from ownership totals| Type | Period | |||||
|---|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | Call | 962,000 | +443,300 +85.5% | $40.8M | Mar 31, 2026 | |
| PEAK6 LLC | Call | 883,100 | +787,200 +820.9% | $37.5M | Mar 31, 2026 | |
| Parallax Volatility Advisers, L.P. | Put | 873,500 | +595,900 +214.7% | $32.5M | Mar 31, 2026 | |
| CITADEL ADVISORS LLC | Call | 731,800 | -874,900 -54.5% | $31.1M | Mar 31, 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Call | 727,100 | -1,280,800 -63.8% | $30.9M | Mar 31, 2026 | |
| ROYAL BANK OF CANADA | Put | 637,000 | +637,000 new | $27.0M | Mar 31, 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Put | 583,000 | -567,400 -49.3% | $24.7M | Mar 31, 2026 | |
| CITADEL ADVISORS LLC | Put | 429,400 | -118,700 -21.7% | $18.2M | Mar 31, 2026 | |
| Centiva Capital, LP | Call | 400,000 | +0 +0.0% | $17.0M | Mar 31, 2026 | |
| Hiddenite Capital Partners LP | Call | 351,100 | +351,100 new | $14.9M | Mar 31, 2026 | |
| Caption Management, LLC | Call | 290,500 | +275,500 +1836.7% | $12.3M | Mar 31, 2026 | |
| Ripple Effect Asset Management LP | Put | 285,000 | +285,000 new | $12.1M | Mar 31, 2026 | |
| JANE STREET GROUP, LLC | Put | 278,100 | -2,172,600 -88.7% | $11.8M | Mar 31, 2026 | |
| Walleye Trading LLC | Put | 160,900 | -102,900 -39.0% | $6.8M | Mar 31, 2026 | |
| Raiffeisen Bank International AG | Call | 143,932 | +0 +0.0% | $1.8K | Mar 31, 2026 | |
| Walleye Trading LLC | Call | 137,400 | -189,200 -57.9% | $5.8M | Mar 31, 2026 | |
| TUDOR INVESTMENT CORP ET AL | Put | 97,600 | -218,500 -69.1% | $4.1M | Mar 31, 2026 | |
| GOLDMAN SACHS GROUP INC | Call | 87,100 | +0 +0.0% | $3.7M | Mar 31, 2026 | |
| GOLDMAN SACHS GROUP INC | Put | 87,100 | -15,000 -14.7% | $3.7M | Mar 31, 2026 | |
| Balyasny Asset Management L.P. | Put | 76,600 | -45,800 -37.4% | $3.3M | Mar 31, 2026 | |
| CAPITAL FUND MANAGEMENT S.A. | Call | 54,500 | +34,800 +176.6% | $2.3M | Mar 31, 2026 | |
| Parallax Volatility Advisers, L.P. | Call | 46,000 | -143,500 -75.7% | $1.7M | Mar 31, 2026 | |
| CAPITAL FUND MANAGEMENT S.A. | Put | 41,100 | -30,000 -42.2% | $1.7M | Mar 31, 2026 | |
| Walleye Capital LLC | Put | 40,100 | -79,800 -66.6% | $1.7M | Mar 31, 2026 | |
| Balyasny Asset Management L.P. | Call | 40,100 | -15,100 -27.4% | $1.7M | Mar 31, 2026 | |
| Alphadyne Asset Management LP | Put | 37,400 | -151,000 -80.1% | $1.6M | Mar 31, 2026 | |
| Verition Fund Management LLC | Put | 36,900 | -3,100 -7.8% | $1.6M | Mar 31, 2026 | |
| MILLENNIUM MANAGEMENT LLC | Put | 34,100 | -50,400 -59.6% | $1.4M | Mar 31, 2026 | |
| Walleye Capital LLC | Call | 28,500 | -126,900 -81.7% | $1.2M | Mar 31, 2026 | |
| Verition Fund Management LLC | Call | 28,500 | -3,300 -10.4% | $1.2M | Mar 31, 2026 | |
| TUDOR INVESTMENT CORP ET AL | Call | 19,900 | -51,400 -72.1% | $844.6K | Mar 31, 2026 | |
| Caption Management, LLC | Put | 15,600 | -459,400 -96.7% | $662.1K | Mar 31, 2026 | |
| Alphadyne Asset Management LP | Call | 14,700 | -198,600 -93.1% | $623.9K | Mar 31, 2026 | |
| Point72 Asset Management, L.P. | Put | 12,300 | -181,600 -93.7% | $522.0K | Mar 31, 2026 | |
| TWO SIGMA INVESTMENTS, LP | Call | 11,900 | +5,300 +80.3% | $505.0K | Mar 31, 2026 | |
| Twin Tree Management, LP | Put | 10,900 | +10,900 new | $462.6K | Mar 31, 2026 | |
| MILLENNIUM MANAGEMENT LLC | Call | 9,400 | -39,900 -80.9% | $398.9K | Mar 31, 2026 | |
| PEAK6 LLC | Put | 6,800 | -2,100 -23.6% | $288.6K | Mar 31, 2026 | |
| TWO SIGMA INVESTMENTS, LP | Put | 5,300 | -7,600 -58.9% | $224.9K | Mar 31, 2026 | |
| UBS Group AG | Put | 2,500 | +0 +0.0% | $106.1K | Mar 31, 2026 | |
| MARSHALL WACE, LLP | Put | 1,700 | +1,700 new | $72.1K | Mar 31, 2026 | |
| UBS Group AG | Call | 1,500 | +0 +0.0% | $63.7K | Mar 31, 2026 | |
| MARSHALL WACE, LLP | Call | 700 | +700 new | $29.7K | Mar 31, 2026 | |
| CAPTRUST FINANCIAL ADVISORS | Call | 200 | +200 new | $8.5K | Mar 31, 2026 | |
| CAPTRUST FINANCIAL ADVISORS | Put | 200 | +200 new | $8.5K | Mar 31, 2026 | |
| Qube Research & Technologies Ltd | Call | 100 | -3,300 -97.1% | $4.2K | Mar 31, 2026 |
Ownership Events — 13G / 13D
Event-driven, scanned dailyWellington Management Group LLP falls below 5% (from 5.6%) Schedule 13G/A · position exited | 13G/A | Feb 10, 2026 |
FMR LLC reports 8.2% (from 9.8%) Schedule 13G/A · amendment | 13G/A | May 12, 2025 |
FMR LLC reports 9.8% Schedule 13G/A · amendment | 13G/A | Feb 12, 2025 |
FMR LLC reports —% Schedule 13G/A · amendment | 13G/A | Nov 12, 2024 |
Wellington Management Group LLP 2. crosses 5.0% Initial Schedule 13G · 17,459,283 shares reported | 13G | Nov 8, 2024 |
Wellington Management Group LLP 2. crosses 5.0% Initial Schedule 13G · 17,459,283 shares reported | 13G | Nov 8, 2024 |
Wellington Management Group LLP 2. crosses 5.0% Initial Schedule 13G · 17,459,283 shares reported | 13G | Nov 8, 2024 |
VANGUARD GROUP INC reports —% Schedule 13G/A · amendment | 13G/A | Feb 13, 2024 |
FMR LLC reports —% Schedule 13G/A · amendment | 13G/A | Feb 9, 2024 |
BlackRock Inc. reports —% Schedule 13G/A · amendment | 13G/A | Jan 25, 2024 |
Quarterly holdings from SEC Form 13F-HR structured data sets (filed within 45 days of quarter end); 5%+ ownership events from Schedule 13G/13D filings scanned daily via EDGAR. Each row links to the source filing. Est. Avg Cost is a rolling-average estimate — each quarter's added shares priced at that quarter's 13F value ÷ shares, split-adjusted, with history beginning 2024-Q2; positions with one quarter of history or a data-quality flag show “—”.