ATO Institutional Holdings
Atmos Energy · SEC 13F
As of 2026Q1 · SEC EDGAR 13F
Quarterly Changes
2025Q4 → 2026Q1
↑ New Positions (5)
VANGUARD CAPITAL MANAGEMENT LLC $4.0B
VANGUARD PORTFOLIO MANAGEMENT LLC $1.7B
Capital Research Global Investors $741M
HSBC HOLDINGS PLC $418M
VANGUARD FIDUCIARY TRUST CO $172M
↑ Increased (5)
CWM, LLC +169745.6%
BNP PARIBAS ASSET MANAGEMENT Holding S.A. +108524.4%
IFM Investors Pty Ltd +99819.9%
Daiwa Securities Group Inc. +57785.6%
TD Waterhouse Canada Inc. +17515.3%
↓ Decreased (5)
Capital Innovations LLC -99.9%
E Fund Management (Hong Kong) Co., Ltd. -99.8%
COOKE & BIELER LP -99.5%
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO -99.1%
Spire Wealth Management -96.5%
↓ Exited Positions (5)
VANGUARD GROUP INC $3.5B
PNC Financial Services Group, Inc. $147M
MIZUHO MARKETS AMERICAS LLC $40M
ONTARIO TEACHERS PENSION PLAN BOARD $25M
Skandinaviska Enskilda Banken AB (publ) $24M
All Holders (Top 100)
| Rank | Institution | Shares | Value |
|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 21.5M | $4.0B |
| 2 | BlackRock, Inc. | 17.5M | $3.2B |
| 3 | STATE STREET CORP | 11.4M | $2.1B |
| 4 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 14.9M | $1.8B |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 9.7M | $1.8B |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 9.3M | $1.7B |
| 7 | MORGAN STANLEY | 8.7M | $1.5B |
| 8 | Capital International Investors | 7.3M | $1.4B |
| 9 | Aristotle Capital Management, LLC | 4.9M | $899M |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 4.3M | $798M |
| 11 | BANK OF AMERICA CORP /DE/ | 4.2M | $776M |
| 12 | Capital Research Global Investors | 4.0M | $741M |
| 13 | BARCLAYS PLC | 5.5M | $728M |
| 14 | GOLDMAN SACHS GROUP INC | 3.2M | $566M |
| 15 | Invesco Ltd. | 3.0M | $556M |
| 16 | DEUTSCHE BANK AG\ | 2.5M | $470M |
| 17 | HSBC HOLDINGS PLC | 2.4M | $418M |
| 18 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.8M | $331M |
| 19 | Legal & General Group Plc | 1.6M | $299M |
| 20 | NORTHERN TRUST CORP | 1.5M | $286M |
| 21 | WELLS FARGO & COMPANY/MN | 1.3M | $246M |
| 22 | Amundi | 1.3M | $241M |
| 23 | Perpetual Ltd | 1.2M | $229M |
| 24 | RAYMOND JAMES FINANCIAL INC | 1.2M | $223M |
| 25 | NORGES BANK | 1.4M | $221M |
| 26 | Pictet Asset Management Holding SA | 1.2M | $217M |
| 27 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1.1M | $196M |
| 28 | SFMG, LLC | 1.1M | $196M |
| 29 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.0M | $191M |
| 30 | ProShare Advisors LLC | 1.0M | $189M |
| 31 | AMERICAN CENTURY COMPANIES INC | 1.0M | $185M |
| 32 | Nuveen, LLC | 948K | $175M |
| 33 | VANGUARD FIDUCIARY TRUST CO | 931K | $172M |
| 34 | Bank of New York Mellon Corp | 893K | $165M |
| 35 | GQG Partners LLC | 887K | $164M |
| 36 | PNC FINANCIAL SERVICES GROUP, INC. | 886K | $164M |
| 37 | BNP PARIBAS FINANCIAL MARKETS | 835K | $154M |
| 38 | AQR CAPITAL MANAGEMENT LLC | 823K | $151M |
| 39 | JPMORGAN CHASE & CO | 796K | $147M |
| 40 | CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC | 758K | $140M |
| 41 | DIMENSIONAL FUND ADVISORS LP | 753K | $139M |
| 42 | CITADEL ADVISORS LLC | 752K | $139M |
| 43 | UBS Group AG | 719K | $133M |
| 44 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 707K | $131M |
| 45 | ENVESTNET ASSET MANAGEMENT INC | 675K | $125M |
| 46 | PFA Pension, Forsikringsaktieselskab | 668K | $123M |
| 47 | DUFF & PHELPS INVESTMENT MANAGEMENT CO | 608K | $112M |
| 48 | NEUBERGER BERMAN GROUP LLC | 601K | $111M |
| 49 | Chevy Chase Trust Holdings, LLC | 519K | $96M |
| 50 | SEI INVESTMENTS CO | 513K | $95M |
| 51 | PRINCIPAL FINANCIAL GROUP INC | 507K | $94M |
| 52 | ROYAL BANK OF CANADA | 504K | $93M |
| 53 | Nilsine Partners, LLC | 491K | $91M |
| 54 | Swiss National Bank | 475K | $88M |
| 55 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 474K | $88M |
| 56 | HUNTINGTON NATIONAL BANK | 468K | $86M |
| 57 | Clark Capital Management Group, Inc. | 432K | $80M |
| 58 | EARNEST PARTNERS LLC | 423K | $78M |
| 59 | Mitsubishi UFJ Asset Management Co., Ltd. | 397K | $73M |
| 60 | Sumitomo Mitsui Trust Group, Inc. | 395K | $73M |
| 61 | AVIVA PLC | 384K | $71M |
| 62 | Energy Income Partners, LLC | 363K | $67M |
| 63 | DANSKE BANK A/S | 512K | $67M |
| 64 | Vanguard Global Advisers, LLC | 361K | $67M |
| 65 | RHUMBLINE ADVISERS | 354K | $65M |
| 66 | JENNISON ASSOCIATES LLC | 346K | $64M |
| 67 | FIRST TRUST ADVISORS LP | 340K | $63M |
| 68 | BENJAMIN EDWARDS INC | 339K | $63M |
| 69 | BAHL & GAYNOR INC | 336K | $62M |
| 70 | Capital International, Inc./CA/ | 326K | $60M |
| 71 | Boston Trust Walden Corp | 325K | $60M |
| 72 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 323K | $60M |
| 73 | TORONTO DOMINION BANK | 309K | $57M |
| 74 | Vest Financial, LLC | 308K | $57M |
| 75 | VANGUARD ASSET MANAGEMENT, Ltd | 304K | $56M |
| 76 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 302K | $56M |
| 77 | NEW YORK STATE COMMON RETIREMENT FUND | 295K | $55M |
| 78 | California Public Employees Retirement System | 291K | $54M |
| 79 | NOMURA ASSET MANAGEMENT CO LTD | 290K | $53M |
| 80 | MILLENNIUM MANAGEMENT LLC | 261K | $48M |
| 81 | SCHRODER INVESTMENT MANAGEMENT GROUP | 259K | $48M |
| 82 | ROYAL LONDON ASSET MANAGEMENT LTD | 255K | $47M |
| 83 | Munich Reinsurance Co Stock Corp in Munich | 252K | $47M |
| 84 | Aventail Capital Group, LP | 248K | $46M |
| 85 | National Pension Service | 245K | $45M |
| 86 | CITIGROUP INC | 242K | $45M |
| 87 | Partners Group Holding AG | 238K | $44M |
| 88 | STIFEL FINANCIAL CORP | 233K | $43M |
| 89 | Aberdeen Group plc | 228K | $42M |
| 90 | STOREBRAND ASSET MANAGEMENT AS | 239K | $42M |
| 91 | Clearbridge Investments, LLC | 222K | $41M |
| 92 | M&G PLC | 201K | $37M |
| 93 | EXCHANGE TRADED CONCEPTS, LLC | 195K | $36M |
| 94 | LPL Financial LLC | 194K | $36M |
| 95 | Allspring Global Investments Holdings, LLC | 189K | $35M |
| 96 | Eurizon Capital SGR S.p.A. | 189K | $35M |
| 97 | DEARBORN PARTNERS LLC | 188K | $35M |
| 98 | Magellan Asset Management Ltd | 181K | $34M |
| 99 | Quantinno Capital Management LP | 175K | $32M |
| 100 | RENAISSANCE TECHNOLOGIES LLC | 167K | $31M |
Data source: SEC EDGAR Form 13F · Updated 2026-07-09