AM

Antero Midstream Corp$22.85 1.92%
UtilitiesUSCUSIP 03676B102· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
359
+17 QoQ
13F Value (tracked)
$5.6B
Insider Net · 180d
-$4.7M
0↑ 4↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)33 adding · 18 trimming
Insider net (180d)-$4.7M

Price & smart-money activity

$22.85 1.92%5Y +142.8%
$7.67$11.95$16.23$20.50$24.78202120222023202420252026257303254524231251374946544857532575126745596676527160656771689057906580969183310594245
Hover for who · click for detailEnd-of-day closing prices52w $16.87 – $23.60
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Ask your agent what changed in AM

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/AM/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for AM.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

359 tracked 13F filers
2 source-reported value rows are withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$846.3M
37.1M
−5.3%
Reduced · −2.1M sh
Q1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$417.2M
18.3M
New
+18.3M sh
Q1 2026
3VANGUARD CAPITAL MANAGEMENT LLC
$337.7M
14.8M
New
+14.8M sh
Q1 2026
4STATE STREET CORP
$264.3M
11.6M
+2.3%
Added · +256K sh
Q1 2026
5TORTOISE CAPITAL ADVISORS, L.L.C.
$254.4M
11.2M
−2.1%
Reduced · −244K sh
Q1 2026
6GEODE CAPITAL MANAGEMENT, LLC
$225.7M
9.9M
−5.5%
Reduced · −575K sh
Q1 2026
7Bank of New York Mellon Corp
$208.1M
9.1M
+11%
Added · +921K sh
Q1 2026
8DIMENSIONAL FUND ADVISORS LP
$205.6M
9.0M
−2.4%
Reduced · −223K sh
Q1 2026
9Neuberger Berman Group LLC
$165.8M
7.3M
−2.2%
Reduced · −165K sh
Q1 2026
10MORGAN STANLEY
$142.6M
6.3M
+3.7%
Added · +221K sh
Q1 2026
11KAYNE ANDERSON CAPITAL ADVISORS LP
$96.9M
4.2M
−6.3%
Reduced · −286K sh
Q1 2026
12CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$89.8M
3.9M
+2.5%
Added · +97K sh
Q1 2026
13MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
$89.0M
3.9M
−3.6%
Reduced · −144K sh
Q1 2026
14ALLIANCEBERNSTEIN L.P.
$68.0M
3.8M
+676%
Added · +3.3M sh
Q1 2026
15NORGES BANK
$67.0M
3.8M
−11%
Reduced · −482K sh
Q4 2025
16Clearbridge Investments, LLC
$85.3M
3.7M
+2.9%
Added · +107K sh
Q1 2026
17NORTHERN TRUST CORP
$85.1M
3.7M
−0.2%
Reduced · −7K sh
Q1 2026
18Boston Trust Walden Corp
$78.2M
3.4M
−7.4%
Reduced · −274K sh
Q1 2026
19Blackstone Inc.
$64.1M
2.8M
+0.5%
Added · +14K sh
Q1 2026
20Qube Research & Technologies Ltd
$59.9M
2.6M
+2.6%
Added · +67K sh
Q1 2026
21PRUDENTIAL FINANCIAL INC
$59.5M
2.6M
128×
Added · +2.6M sh
Q1 2026
22Clark Capital Management Group, Inc.
$58.2M
2.6M
+279%
Added · +1.9M sh
Q1 2026
23WESTWOOD HOLDINGS GROUP INC
$53.0M
2.3M
−12%
Reduced · −319K sh
Q1 2026
24Orbis Allan Gray Ltd
$51.6M
2.3M
+60%
Added · +852K sh
Q1 2026
25BNP PARIBAS FINANCIAL MARKETS
$51.5M
2.3M
+42%
Added · +666K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
4
funds
Added
29
funds
Reduced
18
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$4.7M
4 insiders
Net
-$4.7M
5 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 10, 2026MCARDLE JANINE JDirectorGrant (A)2K$0
Jul 10, 2026Munoz Jeffrey S.DirectorGrant (A)2K$0
Jul 10, 2026MOLLENKOPF JOHN CDirectorGrant (A)2K$0
Jul 10, 2026Chisholm NancyDirectorGrant (A)2K$0
Jul 10, 2026DEA PETER ADirectorGrant (A)2K$0
Jul 10, 2026Keenan W Howard JRDirectorGrant (A)2K$0
Jul 10, 2026KLIMLEY BROOKS JDirectorGrant (A)2K$0
Jul 10, 2026KEYTE DAVID HDirectorGrant (A)3K$0
May 4, 2026Kennedy Michael N.See Remarks, DirectorSell (S)100K$2.2M
May 4, 2026Schultz Yvette KSee Remarks, DirectorSell (S)69K$1.5M
Apr 10, 2026KLIMLEY BROOKS JDirectorGrant (A)2K$0
Apr 10, 2026MOLLENKOPF JOHN CDirectorGrant (A)2K$0

Institutional ownership over time

357 funds+85 since Q3 2024
0179357Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $5.5B · 3 values withheld

Funds that own AM also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT174 funds$59.7B
ALPHABET INC-CL AGOOGL172 funds$41.8B
AMAZON.COM INCAMZN171 funds$42.9B
EXXON MOBIL CORPXOM171 funds$13.0B
CHEVRON CORPCVX171 funds$8.4B
NVIDIA CORPNVDA170 funds$85.9B
ALPHABET INC-CL CGOOG170 funds$26.9B
JPMORGAN CHASE & COJPM170 funds$20.8B
APPLE INCAAPL169 funds$73.7B
VISA INC-CLASS A SHARESV169 funds$11.1B
MASTERCARD INC - AMA169 funds$10.5B
BROADCOM INCAVGO168 funds$30.5B

Ranked by how many of AM's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for AM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.