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/AMN/capital-change-brief"
Use Arkolith's capital_change_brief for AMN. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $110.5M | 6.0M | ▲+1.9% Added · +115K sh | Q1 2026 | |
| 2 | Boston Partners | $39.2M | 2.1M | ▲+107% Added · +1.1M sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $30.8M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 4 | STATE STREET CORP | $29.6M | 1.6M | ▼−0.6% Reduced · −11K sh | Q1 2026 | |
| 5 | TWO SIGMA INVESTMENTS, LP | $29.1M | 1.6M | ▲+96% Added · +778K sh | Q1 2026 | |
| 6 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $25.7M | 1.4M | ▲14× Added · +1.3M sh | Q1 2026 | |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $25.2M | 1.4M | ▲+51% Added · +463K sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $24.6M | 1.3M | ▲+17% Added · +192K sh | Q1 2026 | |
| 9 | Allianz Asset Management GmbH | $23.1M | 1.3M | ▲+31% Added · +301K sh | Q1 2026 | |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | $20.6M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 11 | MILLENNIUM MANAGEMENT LLC | $18.3M | 997K | ▼−50% Reduced · −1.0M sh | Q1 2026 | |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $17.0M | 924K | ▲+1.6% Added · +15K sh | Q1 2026 | |
| 13 | D. E. Shaw & Co., Inc. | $16.3M | 891K | ▼−46% Reduced · −770K sh | Q1 2026 | |
| 14 | UBS Group AG | $15.9M | 868K | ▲+80% Added · +385K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $15.5M | 845K | ▲+121% Added · +463K sh | Q1 2026 | |
| 16 | DIMENSIONAL FUND ADVISORS LP | $13.6M | 741K | ▼−5.7% Reduced · −45K sh | Q1 2026 | |
| 17 | GRIZZLYROCK CAPITAL, LLC | $13.3M | 725K | ▲+31% Added · +169K sh | Q1 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $12.8M | 695K | ▲+4.6% Added · +30K sh | Q1 2026 | |
| 19 | BANK OF AMERICA CORP /DE/ | $10.8M | 587K | ▲+9.0% Added · +49K sh | Q1 2026 | |
| 20 | FEDERATED HERMES, INC. | $10.4M | 566K | ▼−32% Reduced · −263K sh | Q1 2026 | |
| 21 | CenterBook Partners LP | $9.5M | 516K | ▲+266% Added · +375K sh | Q1 2026 | |
| 22 | THOMPSON INVESTMENT MANAGEMENT, INC. | $13.7M | 422K | ▼−7.6% Reduced · −35K sh | Q2 2026 | |
| 23 | JPMORGAN CHASE & CO | $7.9M | 422K | ▲+517% Added · +354K sh | Q1 2026 | |
| 24 | NORTHERN TRUST CORP | $7.6M | 414K | ▲+0.7% Added · +3K sh | Q1 2026 | |
| 25 | CITADEL ADVISORS LLC | $6.9M | 379K | ▼−27% Reduced · −143K 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 | FOLETTA MARK G | Director | Sell (S) | 2K | $52K |
| Jun 15, 2026 | FOLETTA MARK G | Director | Sell (S) | 2K | $62K |
| May 1, 2026 | Huber Celia P | Director | Grant (A) | 8K | $0 |
| May 1, 2026 | Caballero Jorge A. | Director | Option exercise (M) | 8K | $0 |
| May 1, 2026 | Caballero Jorge A. | Director | Option exercise (M) | 8K | $0 |
| May 1, 2026 | Caballero Jorge A. | Director | Grant (A) | 8K | $0 |
| May 1, 2026 | FOLETTA MARK G | Director | Option exercise (M) | 8K | $0 |
| May 1, 2026 | FOLETTA MARK G | Director | Option exercise (M) | 8K | $0 |
| May 1, 2026 | FOLETTA MARK G | Director | Grant (A) | 8K | $0 |
| May 1, 2026 | Trent-Adams Sylvia | Director | Option exercise (M) | 8K | $0 |
| May 1, 2026 | Trent-Adams Sylvia | Director | Option exercise (M) | 8K | $0 |
| May 1, 2026 | Trent-Adams Sylvia | Director | Grant (A) | 8K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 68 funds | $28.8B |
| AMAZON.COM INCAMZN | 67 funds | $22.5B |
| MICRON TECHNOLOGY INCMU | 67 funds | $6.1B |
| BANK OF AMERICA CORPBAC | 67 funds | $3.2B |
| APPLE INCAAPL | 66 funds | $33.5B |
| BROADCOM INCAVGO | 66 funds | $15.2B |
| META PLATFORMS INC-CLASS AMETA | 66 funds | $13.5B |
| ELI LILLY & COLLY | 66 funds | $8.3B |
| ALPHABET INC-CL AGOOGL | 65 funds | $17.7B |
| COSTCO WHOLESALE CORPCOST | 65 funds | $5.3B |
| LAM RESEARCH CORPLRCX | 65 funds | $3.3B |
| BOSTON SCIENTIFIC CORPBSX | 65 funds | $2.2B |
Ranked by how many of AMN'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 AMN. 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.