StockData
AMNYSENatural Gas TransmissionFiscal year ends December 31

Antero Midstream Corp

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 29, 2026
$20.49−0.15 (-0.73%)

Close on Oct 19, 2026

Market cap
$9.78B
P/E (TTM)
24.4
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
60.1%
285M of 475M shares
Institutional holders
531
66 new, 41 sold out
Net institutional buying
6M
In Q2 2026
Insider trades, 12 months
0 buys · 8 sales
Net sold $5.26M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
BlackRock, Inc.38,375,7218.00%13G (passive) amendmentDec 31, 2023

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of AMValueChange% of portfolio
BlackRock, Inc.38,199,7838.05%$869.05M+1,082,5740.01%
Invesco Ltd.20,746,9814.37%$471.99M−809,9220.04%
Vanguard Portfolio Management LLC18,193,1963.83%$413.90M−106,7770.02%
Vanguard Capital Management LLC14,958,7763.15%$340.31M+149,5170.01%
State Street Corp11,558,5462.44%$262.96M−34,6530.01%
Geode Capital Management, LLC10,358,8672.18%$235.70M+461,8630.01%
Tortoise Capital Advisors, L.L.C.10,183,4842.15%$231.67M−975,9102.36%
Dimensional Fund Advisors LP9,010,1191.90%$204.98M−6,6970.04%
Neuberger Berman Group LLC7,434,8481.57%$169.15M+162,2220.11%
Bank of New York Mellon Corp6,917,4151.46%$157.37M−2,211,8730.03%
Morgan Stanley6,702,2431.41%$152.48M+446,7170.01%
Charles Schwab Investment Management Inc3,907,7440.82%$88.90M−31,0810.01%
Northern Trust Corp3,742,3330.79%$85.14M+10,7650.01%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.3,680,7770.78%$83.74M−221,9220.10%
Clearbridge Investments, LLC3,679,1030.78%$83.70M−63,1400.07%
Alliancebernstein L.P.3,625,6970.76%$82.67M−198,2500.03%
Boston Trust Walden Corp3,451,2180.73%$78.52M+19,6670.60%
Norges Bank3,413,5270.72%$77.66MNew0.01%
Qube Research & Technologies Ltd3,189,7970.67%$72.57M+564,3860.07%
Covalis Capital LLP3,031,5150.64%$68.97M+2,046,3533.89%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026531285M60.1%66 / 187179 / 4122M16M
Q1 2026514280M58.9%84 / 192156 / 5165M26M
Q4 2025490278M58.6%73 / 164173 / 3621M12M
Q3 2025464271M57.0%49 / 160171 / 5823M28M
Q2 2025479276M58.2%68 / 188144 / 3625M21M
Q1 2025454272M57.3%66 / 184126 / 4024M25M
Q4 2024434273M57.5%59 / 158139 / 4418M13M
Q3 2024424268M56.5%54 / 141150 / 4160M17M
Q2 2024416265M55.8%55 / 135151 / 3322M31M
Q1 2024397275M57.8%52 / 155118 / 4627M18M
Q4 2023395266M56.0%63 / 141118 / 3419M13M
Q3 2023369260M54.8%52 / 142104 / 3015M13M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of AMValue% of fundAs of
Invesco SteelPath MLP Income Fund11,907,5092.51%$249.58M5.60%May 31, 2026
iShares Core S&P Mid-Cap ETF11,379,1022.40%$258.87M0.21%Jun 30, 2026
Vanguard Total Stock Market Index Fund10,545,7762.22%$239.92M0.01%Jun 30, 2026
Tortoise Energy Infrastructure Total Return Fund8,253,8291.74%$173.00M4.59%May 31, 2026
Vanguard Small-Cap Index Fund7,627,1871.61%$173.52M0.09%Jun 30, 2026
Vanguard Small-Cap Value Index Fund4,830,2761.02%$109.89M0.16%Jun 30, 2026
Global X MLP and Energy Infrastructure ETF3,931,1950.83%$82.40M2.33%May 31, 2026
Invesco SteelPath MLP Select 40 Fund3,925,7690.83%$82.28M3.53%May 31, 2026
Vanguard Extended Market Index Fund3,808,9100.80%$86.65M0.09%Jun 30, 2026
U.S. Small Cap Portfolio2,072,6900.44%$45.54M0.23%Jul 31, 2026
iShares S&P Mid-Cap 400 Growth ETF1,990,2560.42%$45.28M0.40%Jun 30, 2026
Center Coast Brookfield Midstream Focus Fund1,935,5000.41%$44.03M3.93%Jun 30, 2026
Vanguard Energy Index Fund1,926,6000.41%$40.38M0.34%May 31, 2026
Invesco S&P MidCap Quality ETF1,804,2990.38%$39.64M0.73%Jul 31, 2026
Westwood Salient Mlp & Energy1,754,7800.37%$38.55M2.71%Jul 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Michael N. KennedySee Remarks, Director1,500,5940.32%May 4, 2026
Yvette K. SchultzSee Remarks, Director580,5650.12%May 4, 2026
Paul M. RadySee Remarks, Director3,074,2000.65%Apr 16, 2025
Sheri PearceSee Remarks83,9000.02%Aug 5, 2026
Brendan E. KruegerSee Remarks731,4980.15%Mar 10, 2026
Justin J. AgnewSee Remarks224,3940.05%Mar 10, 2026
Brooks J. KlimleyDirector68,2040.01%Aug 6, 2026
Peter A. DeaDirector68,8080.01%Jul 14, 2026
David H. KeyteDirector117,9030.02%Jul 14, 2026
John C. MollenkopfDirector106,5660.02%Jul 14, 2026
Nancy ChisholmDirector34,2080.01%Jul 14, 2026
Jeffrey S. MunozDirector13,4040.00%Jul 14, 2026
Janine J. McArdleDirector82,4240.02%Jul 14, 2026
W. Howard Keenan JRDirector157,6910.03%Jul 14, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Brooks J. Klimley
Director
Aug 6, 2026Sale−5,000$21.27$106.35K68,204
Sheri Pearce
See Remarks
Aug 4, 2026Sale−16,000$22.01$352.16K83,900
Peter A. Dea
Director
Jul 10, 2026Award+1,907––68,808
Janine J. McArdle
Director
Jul 10, 2026Award+1,907––82,424
Jeffrey S. Munoz
Director
Jul 10, 2026Award+1,907––13,404
Nancy Chisholm
Director
Jul 10, 2026Award+1,907––34,208
Brooks J. Klimley
Director
Jul 10, 2026Award+1,907––73,204
John C. Mollenkopf
Director
Jul 10, 2026Award+1,907––106,566
David H. Keyte
Director
Jul 10, 2026Award+3,225––117,903
W. Howard Keenan JR
Director
Jul 10, 2026Award+1,907––157,691
Michael N. Kennedy
See Remarks, Director
May 4, 2026Sale(10b5-1 plan)−100,000$21.92$2.19M1,500,594
Yvette K. Schultz
See Remarks, Director
May 4, 2026Sale−69,269$21.90$1.52M580,565
Brooks J. Klimley
Director
Apr 10, 2026Award+1,617––71,297
Janine J. McArdle
Director
Apr 10, 2026Award+1,617––80,517
Nancy Chisholm
Director
Apr 10, 2026Award+1,617––32,301
David H. Keyte
Director
Apr 10, 2026Award+2,950––114,678
Jeffrey S. Munoz
Director
Apr 10, 2026Award+1,617––11,497
Peter A. Dea
Director
Apr 10, 2026Award+1,617––66,901
W. Howard Keenan JR
Director
Apr 10, 2026Award+1,617––155,784
John C. Mollenkopf
Director
Apr 10, 2026Award+1,617––104,659
Brooks J. Klimley
Director
Mar 12, 2026Sale−5,000$23.16$115.80K69,680
Sheri Pearce
See Remarks
Mar 10, 2026Sale−14,000$22.76$318.64K99,900
Yvette K. Schultz
See Remarks, Director
Mar 9, 2026Sale−25,000$22.81$570.25K649,834
Yvette K. Schultz
See Remarks, Director
Mar 7, 2026Tax withholding−66,252$22.97$1.52M674,834
Yvette K. Schultz
See Remarks, Director
Mar 7, 2026Award+97,953––741,086
Michael N. Kennedy
See Remarks, Director
Mar 7, 2026Award+261,210––1,724,120
Michael N. Kennedy
See Remarks, Director
Mar 7, 2026Gift−15,000––1,600,594
Michael N. Kennedy
See Remarks, Director
Mar 7, 2026Tax withholding−108,526$22.97$2.49M1,615,594
Justin J. Agnew
See Remarks
Mar 7, 2026Award+32,651––224,394
Justin J. Agnew
See Remarks
Mar 7, 2026Tax withholding−15,499$22.97$356.01K208,895
Sheri Pearce
See Remarks
Mar 7, 2026Tax withholding−25,240$22.97$579.76K113,900
Sheri Pearce
See Remarks
Mar 7, 2026Award+32,651––139,140
Brendan E. Krueger
See Remarks
Mar 7, 2026Award+97,953––731,498
Brendan E. Krueger
See Remarks
Mar 7, 2026Tax withholding−56,546$22.97$1.30M674,952
Brendan E. Krueger
See Remarks
Feb 24, 2026Tax withholding−43,847$22.12$969.90K633,545
Brendan E. Krueger
See Remarks
Feb 24, 2026Award+99,242––677,392
Michael N. Kennedy
See Remarks, Director
Feb 24, 2026Award+203,212––1,552,302
Michael N. Kennedy
See Remarks, Director
Feb 24, 2026Tax withholding−89,392$22.12$1.98M1,462,910
Yvette K. Schultz
See Remarks, Director
Feb 24, 2026Tax withholding−54,785$22.12$1.21M643,133
Yvette K. Schultz
See Remarks, Director
Feb 24, 2026Award+124,054––697,918
Nancy Chisholm
Director
Jan 10, 2026Award+2,058––30,684
Peter A. Dea
Director
Jan 10, 2026Award+2,058––65,284
W. Howard Keenan JR
Director
Jan 10, 2026Award+2,058––154,167
Janine J. McArdle
Director
Jan 10, 2026Award+2,058––78,900
John C. Mollenkopf
Director
Jan 10, 2026Award+2,058––103,042
David H. Keyte
Director
Jan 10, 2026Award+3,755––111,728
Brooks J. Klimley
Director
Jan 10, 2026Award+2,058––74,680
Jeffrey S. Munoz
Director
Jan 10, 2026Award+2,058––9,880
Brooks J. Klimley
Director
Dec 16, 2025Sale−5,000$17.59$87.95K72,622
Michael N. Kennedy
See Remarks, Director
Dec 12, 2025Gift−15,000––1,349,090
W. Howard Keenan JR
Director
Oct 10, 2025Award+1,935––152,109
Nancy Chisholm
Director
Oct 10, 2025Award+1,935––28,626
John C. Mollenkopf
Director
Oct 10, 2025Award+1,935––100,984
Peter A. Dea
Director
Oct 10, 2025Award+1,935––63,226
Jeffrey S. Munoz
Director
Oct 10, 2025Award+1,935––7,822
Brooks J. Klimley
Director
Oct 10, 2025Award+1,935––77,622
Janine J. McArdle
Director
Oct 10, 2025Award+1,935––76,842
David H. Keyte
Director
Oct 10, 2025Award+2,767––107,973
Sheri Pearce
See Remarks
Aug 20, 2025Sale−39,155$17.51$685.60K106,489
Brooks J. Klimley
Director
Jul 10, 2025Award+2,042––75,687

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
J. Klimley Brooks
Director
Aug 6, 20265,000$106.36KAug 6, 2026Restricted Stock Vesting Under a Registered Plan
Michael N. Kennedy
Officer, Director
May 4, 2026100,000$2.19MMay 4, 2026Restricted Stock Units
Schultz Yvette
Officer
May 4, 202669,269$1.52MMay 4, 2026RSU Vest
J. Klimley Brooks
Director
Mar 12, 20265,000$115.80KMar 12, 2026Restricted stock vesting under a registered plan
Schultz Yvette
Officer
Mar 9, 202625,000$570.17KMar 9, 2026RSU Vest
J. Klimley Brooks
Director
Dec 16, 20255,000$87.95KDec 16, 2025Stock Award
J. Klimley Brooks
Director
May 28, 20255,000$94.40KMay 28, 2025Stock Award
J. Klimley Brooks
Director
Nov 5, 202410,000$146.55KNov 5, 2024Shares Purchased through Employee Stock Purchase Plan
Kennedy Michael
Chief Financial Officer
May 5, 2023300,000$3.14MMay 5, 2023RSU Vesting