Stock Ownership/AMR

ALPHA METALLURGICAL RESOUR I (AMR): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in AMR · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
20
13F filers
Aggregate Value
$221.5M
Across holders
Last Price
$209.93
2026-08-24
Sector
Materials
GICS
Quarterly fund activity10 increased10 reduced4 exited
Full exits: Qube Research & Technologies Ltd, STEADFAST CAPITAL MANAGEMENT LP, Man Group plc, Walleye Capital LLC
Institutional Holders of AMR
↗
20 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund551K$90.8M41.0%0.1%Reduced$-6.9MQ2 2026
Dalal Street, LLC
CIK 0001549575
Hedge Fund517K$85.3M38.5%26.1%Reduced$-10.3MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund108K$17.8M8.1%0.0%Reduced$-5.8MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund42K$6.9M3.1%0.0%Reduced+$3.8MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund28K$4.5M2.1%0.0%Added+$4.2MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund24K$3.9M1.8%0.0%Added+$1.2MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund23K$3.7M1.7%0.0%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund12K$1.9M0.9%0.0%Reduced$-1.7MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund11K$1.8M0.8%0.0%Reduced$-762KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund9K$1.5M0.7%0.0%Added+$1.3MQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$90.8M· 41.0% of total· 0.1% port· 551K sh· $-6.9M QoQ· Q2 2026
Dalal Street, LLCReduced
Hedge Fund
$85.3M· 38.5% of total· 26.1% port· 517K sh· $-10.3M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$17.8M· 8.1% of total· 0.0% port· 108K sh· $-5.8M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$6.9M· 3.1% of total· 0.0% port· 42K sh· +$3.8M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$4.5M· 2.1% of total· 0.0% port· 28K sh· +$4.2M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$3.9M· 1.8% of total· 0.0% port· 24K sh· +$1.2M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$3.7M· 1.7% of total· 0.0% port· 23K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$1.9M· 0.9% of total· 0.0% port· 12K sh· $-1.7M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$1.8M· 0.8% of total· 0.0% port· 11K sh· $-762K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$1.5M· 0.7% of total· 0.0% port· 9K sh· +$1.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$881K· 0.4% of total· 0.0% port· 5K sh· +$867K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$542K· 0.2% of total· 0.0% port· 3K sh· $-5K QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$335K· 0.2% of total· 0.0% port· 2K sh· $-1.9M QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$330K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$267K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$258K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$240K· 0.1% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$221K· 0.1% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$128K· 0.1% of total· 0.0% port· 774 sh· +$126K QoQ· Q2 2026
Fulcrum Asset Management LLPReduced
Hedge Fund
$329· 0.0% of total· 0.0% port· 2 sh· $-798K QoQ· Q2 2026
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