887 tracked 13F filers disclose a position in AON as of the latest SEC 13F filings, a combined $54.2B 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. | $5.2B | 16.1M | ▼−0.5% Reduced · −88K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $4.4B | 13.6M | →First observed position No prior filed position | Q1 2026 | |
| 3 | STATE STREET CORP | $3.0B | 9.2M | ▲+0.2% Added · +16K sh | Q1 2026 | |
| 4 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $2.8B | 8.4M | ▼−2.2% Reduced · −187K sh | Q1 2026 | |
| 5 | DODGE & COX | $2.6B | 8.1M | ▲+3.4% Added · +264K sh | Q1 2026 | |
| 6 | MORGAN STANLEY | $2.1B | 6.4M | ▲+14% Added · +804K sh | Q1 2026 | |
| 7 | JPMORGAN CHASE & CO | $1.8B | 5.6M | ▲+77% Added · +2.4M sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $1.7B | 5.2M | ▲+2.0% Added · +103K sh | Q1 2026 | |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.5B | 4.6M | →First observed position No prior filed position | Q1 2026 | |
| 10 | Bank of New York Mellon Corp | $1.1B | 3.3M | ▼−4.5% Reduced · −158K sh | Q1 2026 | |
| 11 | NORGES BANK | $1.2B | 3.3M | ▲+55% Added · +1.2M sh | Q4 2025 | |
| 12 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | $951.7M | 2.9M | ▲+22% Added · +533K sh | Q1 2026 | |
| 13 | Independent Franchise Partners LLP | $835.4M | 2.6M | ▲+22% Added · +472K sh | Q1 2026 | |
| 14 | Mitsubishi UFJ Asset Management Co., Ltd. | $812.3M | 2.5M | ▲+39% Added · +704K sh | Q1 2026 | |
| 15 | FARALLON CAPITAL MANAGEMENT LLC | $811.0M | 2.5M | ▼−5.7% Reduced · −153K sh | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $672.1M | 2.1M | ▼−0.8% Reduced · −18K sh | Q1 2026 | |
| 17 | Boston Partners | $631.1M | 2.0M | ▲+20% Added · +320K sh | Q1 2026 | |
| 18 | Neuberger Berman Group LLC | $599.7M | 1.9M | ▲+3.0% Added · +54K sh | Q1 2026 | |
| 19 | Artisan Partners Limited Partnership | $530.7M | 1.6M | ▲+47% Added · +527K sh | Q1 2026 | |
| 20 | GOLDMAN SACHS GROUP INC | $511.3M | 1.6M | ▲+12% Added · +174K sh | Q1 2026 | |
| 21 | BANK OF AMERICA CORP /DE/ | $510.9M | 1.6M | ▲+16% Added · +222K sh | Q1 2026 | |
| 22 | Veritas Asset Management LLP | $490.7M | 1.5M | ▼−24% Reduced · −472K sh | Q1 2026 | |
| 23 | Amundi | $485.1M | 1.5M | ▲+23% Added · +286K sh | Q1 2026 | |
| 24 | DIAMOND HILL CAPITAL MANAGEMENT INC | $480.3M | 1.5M | ▼−6.8% Reduced · −108K sh | Q1 2026 | |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $437.4M | 1.4M | ▲+3.4% Added · +44K 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, 3 funds opened a new position in AON and 28 added to an existing one, while 20 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 | 377 funds | $284.8B |
| AMAZON.COM INCAMZN | 376 funds | $212.6B |
| VISA INC-CLASS A SHARESV | 370 funds | $65.1B |
| META PLATFORMS INC-CLASS AMETA | 369 funds | $115.0B |
| ALPHABET INC-CL AGOOGL | 368 funds | $177.4B |
| NVIDIA CORPNVDA | 364 funds | $369.8B |
| APPLE INCAAPL | 364 funds | $290.1B |
| BROADCOM INCAVGO | 360 funds | $150.9B |
| JPMORGAN CHASE & COJPM | 360 funds | $73.3B |
| ELI LILLY & COLLY | 357 funds | $73.8B |
| MASTERCARD INC - AMA | 357 funds | $58.5B |
| ALPHABET INC-CL CGOOG | 356 funds | $130.7B |
Ranked by how many of AON's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 17, 2026 | Zeidel Darren | General Counsel | Sell (S) | 675 | $252K |
| Jul 17, 2026 | Zeidel Darren | General Counsel | Sell (S) | 625 | $231K |
| Jul 17, 2026 | Zeidel Darren | General Counsel | Sell (S) | 650 | $242K |
| Jul 7, 2026 | Zeidel Darren | General Counsel | Sell (S) | 600 | $216K |
| Feb 26, 2026 | Zeidel Darren | General Counsel | Sell (S) | 4K | $1.4M |
| Feb 17, 2026 | Zeidel Darren | General Counsel | Sell (S) | 5K | $1.6M |
| Feb 10, 2026 | KNIGHT LESTER B | Director | Buy (P) | 4K | $1.3M |
| Nov 5, 2025 | Zeidel Darren | General Counsel | Sell (S) | 1K | $425K |
| Nov 5, 2025 | Zeidel Darren | General Counsel | Sell (S) | 8K | $2.6M |
| Nov 27, 2024 | Simon Mindy F. | Chief Operating Officer | Sell (S) | 650 | $256K |
| Nov 26, 2024 | Stevens Lisa | Chief Administrative Officer | Sell (S) | 1K | $494K |
| Aug 28, 2024 | Spruell Byron | Director | Buy (P) | 725 | $247K |
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/AON/capital-change-brief"
Use Arkolith's capital_change_brief for AON. 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 AON. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.