The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query AER owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/AER"
Use Arkolith to show who owns AER, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | EAGLE CAPITAL MANAGEMENT LLC | $1.0B | 7.3M | ▼−28% Reduced · −2.9M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $698.8M | 5.1M | ▼−0.4% Reduced · −19K sh | Q1 2026 | |
| 3 | DONALD SMITH & CO., INC. | $432.2M | 3.2M | ▲+2.2% Added · +68K sh | Q1 2026 | |
| 4 | 59 North Capital Management, LP | $428.5M | 3.1M | ▼−5.7% Reduced · −187K sh | Q1 2026 | |
| 5 | LONDON CO OF VIRGINIA | $349.0M | 2.5M | ▼−7.9% Reduced · −217K sh | Q1 2026 | |
| 6 | Allspring Global Investments Holdings, LLC | $337.3M | 2.4M | ▼−12% Reduced · −343K sh | Q1 2026 | |
| 7 | TOMS Capital Investment Management LP | $191.2M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 8 | L1 Capital International Pty Ltd | $184.5M | 1.3M | ▼−12% Reduced · −182K sh | Q1 2026 | |
| 9 | Dorsey Asset Management, LLC | $154.1M | 1.1M | ▼−7.5% Reduced · −92K sh | Q1 2026 | |
| 10 | Avantyr Capital Partners, LP | $145.3M | 1.1M | ▲+46% Added · +333K sh | Q1 2026 | |
| 11 | Empyrean Capital Partners, LP | $137.2M | 1.0M | ▼−9.1% Reduced · −100K sh | Q1 2026 | |
| 12 | Slate Path Capital LP | $133.7M | 975K | ▲+3.9% Added · +36K sh | Q1 2026 | |
| 13 | Tidal Investments LLC | $120.5M | 909K | ▲+785% Added · +807K sh | Q1 2026 | |
| 14 | Alyeska Investment Group, L.P. | $79.6M | 581K | ▼−5.3% Reduced · −33K sh | Q1 2026 | |
| 15 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $78.8M | 574K | ▼−22% Reduced · −163K sh | Q1 2026 | |
| 16 | Man Group plc | $75.8M | 552K | ▼−26% Reduced · −190K sh | Q1 2026 | |
| 17 | TODD ASSET MANAGEMENT LLC | $72.7M | 530K | ▲+1.0% Added · +5K sh | Q1 2026 | |
| 18 | 140 Summer Partners LP | $69.8M | 509K | ▼−10% Reduced · −60K sh | Q1 2026 | |
| 19 | Universal- Beteiligungs- und Servicegesellschaft mbH | $47.7M | 348K | ▼−14% Reduced · −58K sh | Q1 2026 | |
| 20 | WEDGE CAPITAL MANAGEMENT L L P/NC | $31.0M | 226K | ▼−3.6% Reduced · −9K sh | Q1 2026 | |
| 21 | INTECH INVESTMENT MANAGEMENT LLC | $28.9M | 211K | ▲+58% Added · +77K sh | Q1 2026 | |
| 22 | TOCQUEVILLE ASSET MANAGEMENT L.P. | $28.9M | 210K | ▼−1.3% Reduced · −3K sh | Q1 2026 | |
| 23 | CITADEL ADVISORS LLC | $27.5M | 200K | ▼−21% Reduced · −53K sh | Q1 2026 | |
| 24 | IFM Investors Pty Ltd | $26.8M | 124K | ▲+260% Added · +90K sh | Q1 2026 | |
| 25 | Arbejdsmarkedets Tillaegspension | $25.5M | 186K | ▲+11% Added · +19K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 15, 2026 | Stuart Cormac | Chief Accounting Officer | Sell (S) | 12K | $1.7M |
| Mar 24, 2026 | Stuart Cormac | Chief Accounting Officer | Other (J) | 109 | $15K |
| Company | Co-held by | Combined value |
|---|---|---|
| ALPHABET INC-CL AGOOGL | 222 funds | $153.0B |
| AMAZON.COM INCAMZN | 221 funds | $187.3B |
| NVIDIA CORPNVDA | 219 funds | $337.1B |
| MICROSOFT CORPMSFT | 219 funds | $243.2B |
| META PLATFORMS INC-CLASS AMETA | 217 funds | $98.0B |
| JPMORGAN CHASE & COJPM | 217 funds | $58.0B |
| VISA INC-CLASS A SHARESV | 216 funds | $52.0B |
| APPLE INCAAPL | 215 funds | $253.3B |
| BROADCOM INCAVGO | 212 funds | $132.2B |
| ALPHABET INC-CL CGOOG | 208 funds | $114.2B |
| MASTERCARD INC - AMA | 208 funds | $48.3B |
| ELI LILLY & COLLY | 207 funds | $64.1B |
Ranked by how many of AER's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for AER. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.