Stock Ownership/ATO

ATMOS ENERGY CORP (ATO): Ownership & Insider Activity

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

Reported Holders
29
13F filers
Aggregate Value
$1.8B
Across holders
Last Price
$167.82
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity21 increased8 reduced2 exited
Full exits: Lighthouse Investment Partners, LLC, Holocene Advisors, LP
Institutional Holders of ATO
↗
29 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund2.37M$409.0M23.3%0.1%Added+$408.6MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund2.14M$368.1M21.0%0.3%Added+$353.8MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.74M$299.1M17.0%0.0%Added+$297.7MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund1.36M$234.5M13.4%0.3%Added—Q2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund448K$77.2M4.4%0.1%Added+$48.4MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund273K$47.0M2.7%0.0%Added+$2.0MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund254K$43.8M2.5%0.0%Added+$5.6MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund193K$33.2M1.9%0.0%Added+$32.8MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund193K$33.2M1.9%0.0%Added+$25.1MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund183K$31.5M1.8%0.0%Added+$16.0MQ2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$409.0M· 23.3% of total· 0.1% port· 2.37M sh· +$408.6M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$368.1M· 21.0% of total· 0.3% port· 2.14M sh· +$353.8M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$299.1M· 17.0% of total· 0.0% port· 1.74M sh· +$297.7M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$234.5M· 13.4% of total· 0.3% port· 1.36M sh· — QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$77.2M· 4.4% of total· 0.1% port· 448K sh· +$48.4M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$47.0M· 2.7% of total· 0.0% port· 273K sh· +$2.0M QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$43.8M· 2.5% of total· 0.0% port· 254K sh· +$5.6M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$33.2M· 1.9% of total· 0.0% port· 193K sh· +$32.8M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$33.2M· 1.9% of total· 0.0% port· 193K sh· +$25.1M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$31.5M· 1.8% of total· 0.0% port· 183K sh· +$16.0M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$25.6M· 1.5% of total· 0.0% port· 149K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$25.3M· 1.4% of total· 0.1% port· 147K sh· +$13.6M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$23.9M· 1.4% of total· 0.0% port· 139K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$23.8M· 1.4% of total· 0.0% port· 138K sh· +$17.1M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$21.8M· 1.2% of total· 0.0% port· 126K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$19.4M· 1.1% of total· 0.1% port· 113K sh· +$17.6M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$14.4M· 0.8% of total· 0.0% port· 83K sh· $-10.7M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$7.9M· 0.5% of total· 0.0% port· 46K sh· $-4.2M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$6.3M· 0.4% of total· 0.0% port· 36K sh· +$704K QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$4.3M· 0.2% of total· 0.0% port· 25K sh· +$4.0M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$2.7M· 0.2% of total· 0.0% port· 16K sh· $-3.8M QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 7K sh· $-193K QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$1.2M· 0.1% of total· 0.0% port· 7K sh· $-230K QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$618K· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$494K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$455K· 0.0% of total· 0.0% port· 3K sh· $-15K QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$141K· 0.0% of total· 0.0% port· 816 sh· $-46K QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$70K· 0.0% of total· 0.0% port· 404 sh· $-120K QoQ· Q2 2026
Fulcrum Asset Management LLPReduced
Hedge Fund
$5K· 0.0% of total· 0.0% port· 28 sh· $-854K QoQ· Q2 2026
1–10 of 29
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