Antero Resources

AR • NYSE

Antero Resources is a oil & gas exploration & production company in the energy sector on NYSE, led by Michael N. Kennedy, with a market cap of $10.9B. As of Q3 2025, 85% of shares are held by 539 institutional investors, with VANGUARD GROUP INC as the largest holder at 9.55%.

Chief Executive Officer and PresidentMichael N. Kennedy

Market Cap$10.9B

Oil & Gas Exploration & Production

Energy

Employees604.0

Websiteanteroresources.com

Country

United States of America

Overview

Overview of institutional ownership in AR as of Q3 2025 with a market cap of $10.4B

All Institutions

Institutions: 539
Value Held: $8.9B
Shares Held: 263.7M
Avg Position: $16.4M
Median Position: $1.0M

Hedge Funds

Hedge Funds: 82
Value Held: $1.3B
Shares Held: 38.3M
Avg Position: $15.7M
Median Position: $3.4M

Ownership Breakdown

Institutional (non-HF)

72.99%

$7.6B

Hedge Funds

12.4%

$1.3B

Retail & Other

14.61%

$1.5B

Based on market cap of $10.4B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in AR as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$990.0M 0.01% of portfolio	9.55% 29.5M shares	Q4 2013 Held for 11y 11m	$6.69T
B BlackRock, Inc. Institution	-	$947.0M 0.02% of portfolio	9.13% 28.2M shares	Q4 2013 Held for 11y 11m	$5.67T
FMR LLC Institution	-	$842.8M 0.04% of portfolio	8.13% 25.1M shares	Q2 2020 Held for 5y 5m	$1.92T
WELLINGTON MANAGEMENT CO LLP Long Only Manager	Jean Marie Hynes CEO	$626.0M 0.11% of portfolio	6.04% 18.7M shares	Q4 2020 Held for 4y 11m	$571.21B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$341.4M 0.01% of portfolio	3.29% 10.2M shares	Q4 2013 Held for 11y 11m	$2.88T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$267.5M 0.06% of portfolio	2.58% 8.0M shares	Q2 2015 Held for 10y 5m	$466.32B
Sourcerock Group LLC Hedge Fund•Long/Short	Andrew Michael Haley COO	$261.3M 17.77% of portfolio	2.52% 7.8M shares	Q4 2023 Held for 1y 11m	$1.5B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$183.9M 0.01% of portfolio	1.77% 5.5M shares	Q4 2013 Held for 11y 11m	$1.57T
D D. E. Shaw & Co., Inc. Institution	-	$174.7M 0.15% of portfolio	1.69% 5.2M shares	Q1 2019 Held for 6y 8m	$115.81B
RAYMOND JAMES FINANCIAL INC RIA/Wealth	Steven Robert Marcus CEO	$151.3M 0.05% of portfolio	1.46% 4.5M shares	Q4 2024 Held for 11 months	$310.43B

Net Capital Flow

Institutional buying and selling activity for AR in Q3 2025

Traded: −$92.7M
Buyers: 295
Sellers: 257
Total Bought: +$940.0M
Total Sold: −$1.0B
Avg Position: $14.1M

Biggest Buyers

Institution	Net Bought	Current Position
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$67.9M +2.0M shares	$116.4M 3.5M shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$64.5M +1.9M shares	$267.5M 8.0M shares
JUPITER ASSET MANAGEMENT LTD Long Only Manager	+$52.7M +1.6M shares	$52.7M 1.6M shares
A ADAGE CAPITAL PARTNERS GP LLC Institution	+$50.3M +1.5M shares	$101.5M 3.0M shares
Marshall Wace LLP Institution	+$47.7M +1.4M shares	$54.8M 1.6M shares
S Squarepoint Ops LLC Hedge Fund•Quant	+$38.6M +1.2M shares	$59.8M 1.8M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$35.4M +1.1M shares	$65.4M 1.9M shares
Palo Duro Investment Partners, LP Hedge Fund•Sector	+$29.2M +870.2K shares	$77.7M 2.3M shares
Ninepoint Partners LP Hedge Fund•Multi-Strategy	+$28.5M +850.0K shares	$75.5M 2.3M shares
Q Qube Research & Technologies Ltd Institution	+$23.4M +696.6K shares	$119.1M 3.5M shares

Biggest Sellers

Institution	Net Sold	Current Position
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	−$79.8M −2.0M shares	Sold Off 0 shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	−$77.5M −2.3M shares	$17.0M 505.6K shares
A Assenagon Asset Management S.A. Institution	−$72.8M −2.2M shares	$56.2M 1.7M shares
B BlackRock, Inc. Institution	−$57.2M −1.7M shares	$947.0M 28.2M shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	−$46.4M −1.2M shares	Sold Off 0 shares
Slate Path Capital LP Hedge Fund•Long/Short	−$46.3M −1.1M shares	Sold Off 0 shares
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	−$41.1M −1.2M shares	$38.3M 1.1M shares
MORGAN STANLEY RIA/Wealth	−$36.1M −1.1M shares	$129.5M 3.9M shares
Invesco Ltd. ETF Provider	−$34.2M −1.0M shares	$142.2M 4.2M shares
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	−$23.7M −707.6K shares	$13.0M 386.5K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited AR in Q3 2025

New Positions: 34
New Value: $22.3M
Exited Positions: 87
Exited Value: $326.3M

New Positions

Institution	Position Value
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$6.5M 192.5K shares
Stanley-Laman Group, Ltd. RIA/Wealth	$2.7M 79.0K shares
D Delta Global Management LP Hedge Fund•Market Neutral	$2.6M 77.2K shares
T THOMIST CAPITAL MANAGEMENT, LP Hedge Fund•Long/Short	$2.2M 64.9K shares
RIMA SENVEST MANAGEMENT, L.L.C. Hedge Fund•Multi-Strategy	$1.7M 50.0K shares
BTG Pactual Asset Management US LLC Hedge Fund•Multi-Strategy	$1.1M 33.4K shares
T TWIN CAPITAL MANAGEMENT INC Long Only Manager	$998.8K 29.8K shares
SUSQUEHANNA ADVISORS GROUP, INC. Private Equity	$769.1K 22.9K shares
Caerus Investment Advisors, LLC Venture Capital	$490.3K 14.6K shares
Krilogy Financial LLC RIA/Wealth	$488.7K 14.9K shares

Exited Positions

Institution	Previous Position
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$79.8M 2.0M shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	$46.4M 1.2M shares
Slate Path Capital LP Hedge Fund•Long/Short	$46.3M 1.1M shares
Castle Hook Partners LP Hedge Fund•Global Macro	$21.2M 527.4K shares
P Progeny 3, Inc. Institution	$15.4M 382.4K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$13.6M 337.7K shares
DISCOVERY CAPITAL MANAGEMENT, LLC / CT Hedge Fund•Global Macro	$11.6M 287.8K shares
Trexquant Investment LP Hedge Fund•Quant	$10.3M 255.5K shares
BANK OF NOVA SCOTIA / Institution	$8.6M 214.1K shares
C Cubist Systematic Strategies, LLC Institution	$7.5M 186.8K shares

Options Activity

Institutions with the largest Call and Put options positions in AR as of Q3 2025

Call Positions: 32
Call Value: $99.4M
Put Positions: 25
Put Value: $179.0M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$19.1M 5.7K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$16.9M 5.0K contracts
W WOLVERINE TRADING, LLC Institution	$8.2M 2.5K contracts
Ripple Effect Asset Management LP Hedge Fund•Long/Short	$7.6M 2.3K contracts
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$5.7M 1.7K contracts
Verition Fund Management LLC Hedge Fund•Multi-Strategy	$5.2M 1.6K contracts
J JANE STREET GROUP, LLC Institution	$4.9M 1.5K contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$4.5M 1.3K contracts
D DRW Securities, LLC Institution	$4.2M 1.3K contracts
P PEAK6 LLC Institution	$3.0M 899.0 contracts

Put Positions

Institution	Position Value
BARCLAYS PLC Institution	$51.4M 15.3K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$49.4M 14.7K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$22.6M 6.7K contracts
J JANE STREET GROUP, LLC Institution	$19.0M 5.7K contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$6.4M 1.9K contracts
W WOLVERINE TRADING, LLC Institution	$5.8M 1.7K contracts
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	$5.3M 1.6K contracts
UBS Group AG Institution	$4.4M 1.3K contracts
Verition Fund Management LLC Hedge Fund•Multi-Strategy	$3.4M 1.0K contracts
GOLDMAN SACHS GROUP INC Institution	$3.4M 1.0K contracts

Most Committed Institutions

Institutions with AR as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Palo Duro Investment Partners, LP Hedge Fund•Sector	Matthew Waller Dougherty Founder	24.65% $77.7M	0.75% 2.3M shares	Q1 2023 Held for 2y 8m	$315.3M
Sourcerock Group LLC Hedge Fund•Long/Short	Andrew Michael Haley COO	17.77% $261.3M	2.52% 7.8M shares	Q4 2023 Held for 1y 11m	$1.5B
Kailix Advisors LLC RIA/Wealth	Ryan Steven Gorski Managing Partner	14.81% $10.9M	0.10% 324.3K shares	Q4 2022 Held for 2y 11m	$73.5M
P PICKERING ENERGY PARTNERS LP Institution	-	10.69% $486.6K	0.00% 14.5K shares	Q3 2025 Held for 2 months	$4.6M
Ninepoint Partners LP Hedge Fund•Multi-Strategy	James Robert Fox Managing Partner	10.43% $75.5M	0.73% 2.3M shares	Q1 2025 Held for 8 months	$724.2M
Corigliano Investment Advisers, LLC Hedge Fund•Sector	Mark E Corigliano CEO	9.06% $27.9M	0.27% 832.5K shares	Q1 2025 Held for 8 months	$308.5M
Kore Advisors LP Hedge Fund•Multi-Strategy	J. Gary Kosinski CIO	9.01% $7.0M	0.07% 208.9K shares	Q4 2023 Held for 1y 11m	$77.8M
Black Maple Capital Management LP Hedge Fund•Multi-Strategy	Robert James Barnard CEO	8.43% $11.6M	0.11% 346.7K shares	Q2 2025 Held for 5 months	$138.0M
P PLUSTICK MANAGEMENT LLC Hedge Fund•Distressed	Thomas Johns Hill Managing Partner	6.61% $15.8M	0.15% 470.0K shares	Q4 2021 Held for 3y 11m	$238.5M
G Gemsstock Ltd. RIA/Wealth	Benny Joe Heeb President	6.25% $23.8M	0.23% 708.1K shares	Q1 2025 Held for 8 months	$380.1M

Hedge Fund Spotlight

Discover hedge funds investing in AR

Weiss Asset Management LP

Hedge Fund • Multi-Strategy

Portfolio ManagerAndrew Murray Weiss

Portfolio Value: $5.2B
Positions: 533
Last Reported: Q3 2025

Sector Allocation

Position in Antero Resources

Market Value: $1.6M
Shares Held: 48.9K
Portfolio Weight: 0.03%
Owned Since: 2025-Q3

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