Antero Midstream Corporation· AM

🇺🇸 US · LargeSP400NYSE

Energy Oil & Gas Midstream Website

Price: $21.19
Day: -0.28%
Mkt Cap: $10.06B
52W Range: $16.96 – $23.84
Volume: 7.15M
Beta: 0.63

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 3.3 / 5 (Neutral), from 3 of 3 components
Institutions Q2 2026: 556 institutions hold; 256 added, 183 reduced
Insiders Q3 2026: no purchases, 2 sales ($458.5K)

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Antero Midstream Corporation

AM|Energy|Oil & Gas Midstream

Current price: $21

Smart Money

Dimension 5 of 5

Insider selling pace · Q3 2026

0.5x

quarter in progress, filings still arriving

Seller breadth · Q3 2026

2 sellers

vs 1.6 avg per quarter

Institutional net breadth · Q2 2026

+91

322 adding vs 231 reducing

Institutional ownership · Q2 2026

60.9%

556 institutions

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

BLACKROCK, INC.

38.2M

+2.7%

INVESCO LTD.

20.7M

-4.0%

VANGUARD PORTFOLIO MANAGEMENT LLC

18.2M

-0.8%

VANGUARD CAPITAL MANAGEMENT LLC

15.0M

+0.8%

STATE STREET CORP

11.6M

-0.5%

GEODE CAPITAL MANAGEMENT, LLC

10.4M

+4.4%

ETF & Fund Activity, Q2 2026

How the covering funds split between buying, holding and selling

130

60 buying130 unchanged86 selling

276 funds held AM in Q2 2026, holding 151.1M shares between them, up 0.3% on the quarter.

Largest fund holders

SPDR SERIES TRUST2.5M sh

Northern Lights Fund Trust478.0K sh

Series Portfolios Trust288.4K sh

Notable Insider Transactions, Q3 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · May 4

Kennedy Michael N.

$2.2M

Sale · May 4

Schultz Yvette K

$1.5M

Sale · Aug 20

Pearce Sheri

$685.6K

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated September 20, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

AM Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.3/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

+36

Fund Flow

10% weight

-25

Overall Smart Money sentiment of 3.3/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 19, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for AM

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Neutral

Routine insider selling in Q3 2026

2 sales totaling $458.5K (21.0K shares)

Share volume is below the historical pace (0.5x average)

Buying seen in 3 of 15 quarters

Steady selling pace across recent quarters

0.5x

Selling pace

quarter in progress, filings still arriving

0.09%

Stake sold

of active insiders' holdings

2 sellers

Seller breadth

vs 1.3 avg per quarter

Q4 2024

Last insider purchase

buying in 3 of 16 quarters

Notable Recent Transactions, AM

Top 8 highest-value insider trades from the last 8 quarters

Kennedy Michael N.

Director

Sell

100,000 shares at $21.92

≈6.2% of their stake at the time

May 4, 2026$2.19M

Schultz Yvette K

Director

Sell

69,269 shares at $21.90

≈10.7% of their stake at the time

May 4, 2026$1.52M

Pearce Sheri

Officer

Sell

39,155 shares at $17.51

≈26.9% of their stake at the time

Aug 20, 2025$685.60K

Schultz Yvette K

Director

Sell

25,000 shares at $22.81

≈3.7% of their stake at the time

Mar 9, 2026$570.25K

Pearce Sheri

Officer

Sell

16,000 shares at $22.01

≈16.0% of their stake at the time

Aug 4, 2026$352.16K

Pearce Sheri

Officer

Sell

14,000 shares at $22.76

≈12.3% of their stake at the time

Mar 10, 2026$318.64K

KLIMLEY BROOKS J

Director

Sell

10,000 shares at $14.66

≈11.9% of their stake at the time

Nov 5, 2024$146.60K

KLIMLEY BROOKS J

Director

Sell

5,000 shares at $23.16

≈6.7% of their stake at the time

Mar 12, 2026$115.80K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for AM

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

60.9% institutional ownership

Slight accumulation: 322 adding vs 231 reducing

13F shares increased by 3.3%, a notable change

Momentum weakening from prior quarter

+91

Net breadth

322 adding vs 231 reducing

Accumulating

1.39

Add / reduce ratio

in Q2 2026

+18

New − closed

66 initiated, 48 exited

4 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+322 growing-231 shrinkingNet: +91

256

183

New (66)

Increased (256)

Reduced (183)

Closed (48)

Top Institutional Holders, AM

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

38.2M

$869.0M

Ownership

8.04%

+2.7%

INVESCO LTD.

20.7M

$472.0M

Ownership

4.37%

-4.0%

VANGUARD PORTFOLIO MANAGEMENT LLC

18.2M

$413.9M

Ownership

3.83%

-0.8%

VANGUARD CAPITAL MANAGEMENT LLC

15.0M

$340.3M

Ownership

3.15%

+0.8%

STATE STREET CORP

11.6M

$263.0M

Ownership

2.43%

-0.5%

GEODE CAPITAL MANAGEMENT, LLC

10.4M

$235.7M

Ownership

2.18%

+4.4%

TORTOISE CAPITAL ADVISORS, L.L.C.

10.2M

$231.7M

Ownership

2.14%

-8.9%

DIMENSIONAL FUND ADVISORS LP

9.0M

$205.0M

Ownership

1.90%

-0.3%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 276 ETFs and mutual funds reporting

60 buying86 sellingNet: -26

130

Buying (60)

Unchanged (130)

Selling (86)

In total, funds bought 7.6M shares and sold 7.2M this quarter. Each fund counts once in the bar above, whatever the size of its move.

Bearish Signal

Funds distributing in Q2 2026

276 ETFs and mutual funds reporting

86 funds selling vs 60 buying

Top Fund Holders, AM

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

2.5M

Weight

12.25%

Jul 31, 2026No change

Northern Lights Fund Trust

478.0K

Weight

0.99%

Jul 31, 2026No change

Series Portfolios Trust

288.4K

Weight

—

Jul 31, 2026No change

NATIONWIDE MUTUAL FUNDS

120.0K

Weight

0.02%

Jul 31, 2026Decreased

DEUTSCHE DWS VARIABLE SERIES I

13.2K

Weight

2.36%

Jun 30, 2026Decreased

BlackRock Funds IV

12.4K

Weight

0.00%

Jun 30, 2026Increased

BlackRock ETF Trust

12.0K

Weight

0.02%

Jun 30, 2026No change

MFS VARIABLE INSURANCE TRUST III

11.3K

Weight

0.06%

Jun 30, 2026No change

Antero Midstream Corporation· AM

Holdings Analysis

Insider Trading Activity

1.3Transaction History78Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings149Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History78Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings149Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights