917 tracked 13F filers disclose a position in ATO as of the latest SEC 13F filings, a combined $24.4B in reported value. 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $3.2B | 17.5M | ▲+2.5% Added · +428K sh | Q1 2026 | |
| 2 | STATE STREET CORP | $2.0B | 11.4M | ▲+0.1% Added · +7K sh | Q2 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $2.0B | 10.7M | →First observed position No prior filed position | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.7B | 9.3M | →First observed position No prior filed position | Q1 2026 | |
| 5 | Aristotle Capital Management, LLC | $899.0M | 4.9M | ▼−24% Reduced · −1.5M sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $770.3M | 4.5M | ▲+3.5% Added · +152K sh | Q2 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $775.7M | 4.2M | ▲+11% Added · +417K sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $554.4M | 3.0M | ▲+8.9% Added · +245K sh | Q1 2026 | |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | $501.5M | 2.7M | ▼−59% Reduced · −3.9M sh | Q1 2026 | |
| 10 | DEUTSCHE BANK AG\ | $470.5M | 2.5M | ▼−12% Reduced · −340K sh | Q1 2026 | |
| 11 | NORGES BANK | $331.4M | 2.0M | ▲+7.9% Added · +144K sh | Q4 2025 | |
| 12 | GOLDMAN SACHS GROUP INC | $357.5M | 1.9M | ▲+55% Added · +689K sh | Q1 2026 | |
| 13 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $331.4M | 1.8M | ▼−10% Reduced · −203K sh | Q1 2026 | |
| 14 | Legal & General Group Plc | $298.6M | 1.6M | ▲+2.3% Added · +36K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $286.3M | 1.5M | ▲+2.5% Added · +38K sh | Q1 2026 | |
| 16 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | $275.4M | 1.5M | ▲+18% Added · +223K sh | Q1 2026 | |
| 17 | WELLS FARGO & COMPANY/MN | $245.6M | 1.3M | ▼−1.5% Reduced · −20K sh | Q1 2026 | |
| 18 | Amundi | $240.7M | 1.3M | ▲+50% Added · +432K sh | Q1 2026 | |
| 19 | RAYMOND JAMES FINANCIAL INC | $222.9M | 1.2M | ▲+8.6% Added · +95K sh | Q1 2026 | |
| 20 | Pictet Asset Management Holding SA | $217.1M | 1.2M | ▲+11% Added · +116K sh | Q1 2026 | |
| 21 | Perpetual Ltd | $195.2M | 1.1M | ▼−8.6% Reduced · −107K sh | Q2 2026 | |
| 22 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $196.5M | 1.1M | ▲+3.3% Added · +34K sh | Q1 2026 | |
| 23 | SFMG, LLC | $182.7M | 1.1M | ▲+0.2% Added · +2K sh | Q2 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $191.5M | 1.0M | ▲+5.7% Added · +56K sh | Q1 2026 | |
| 25 | ProShare Advisors LLC | $189.1M | 1.0M | ▲+7.9% Added · +75K 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.
Last quarter, 0 funds opened a new position in ATO and 31 added to an existing one, while 17 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 554 funds | $321.6B |
| APPLE INCAAPL | 549 funds | $367.0B |
| META PLATFORMS INC-CLASS AMETA | 548 funds | $137.4B |
| NVIDIA CORPNVDA | 547 funds | $474.3B |
| AMAZON.COM INCAMZN | 545 funds | $241.8B |
| JPMORGAN CHASE & COJPM | 542 funds | $84.8B |
| ELI LILLY & COLLY | 539 funds | $95.9B |
| ALPHABET INC-CL AGOOGL | 537 funds | $214.1B |
| BROADCOM INCAVGO | 531 funds | $184.3B |
| ALPHABET INC-CL CGOOG | 528 funds | $142.9B |
| JOHNSON & JOHNSONJNJ | 522 funds | $59.7B |
| VISA INC-CLASS A SHARESV | 518 funds | $77.0B |
Ranked by how many of ATO's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 11, 2026 | WARE WILLIAM JAMES | Director | Buy (P) | 300 | $50K |
| Dec 3, 2025 | DONOHUE SEAN | Director | Sell (S) | 450 | $77K |
| May 14, 2025 | COCKLIN KIM R | Director | Sell (S) | 15K | $2.3M |
| Nov 11, 2024 | Geiser Edward | Director | Buy (P) | 3K | $362K |
| May 16, 2024 | WALTERS DIANA J | Director | Sell (S) | 400 | $47K |
| Mar 27, 2024 | COCKLIN KIM R | Director | Sell (S) | 15K | $1.7M |
| Nov 17, 2023 | THOMAS RICHARD M | VICE PRESIDENT & CONTROLLER | Sell (S) | 2K | $200K |
| Nov 6, 2023 | COCKLIN KIM R | Director | Sell (S) | 13K | $1.4M |
| Aug 7, 2023 | COCKLIN KIM R | Director | Sell (S) | 13K | $1.5M |
| May 5, 2023 | WALTERS DIANA J | Director | Sell (S) | 390 | $46K |
| May 1, 2023 | COCKLIN KIM R | Director | Sell (S) | 13K | $1.4M |
| Feb 6, 2023 | COCKLIN KIM R | Director | Sell (S) | 13K | $1.5M |
Connected entities for ATO
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.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ATO/capital-change-brief"
Use Arkolith's capital_change_brief for ATO. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ATO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.