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/AMRX/capital-change-brief"
Use Arkolith's capital_change_brief for AMRX. 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. | $304.8M | 24.5M | ▲+71% Added · +10.2M sh | Q1 2026 | |
| 2 | TPG GP A, LLC | $153.2M | 12.3M | —Held | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $140.8M | 11.3M | ▲New +11.3M sh | Q1 2026 | |
| 4 | Rubric Capital Management LP | $137.2M | 11.0M | ▼−11% Reduced · −1.3M sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $94.3M | 7.6M | ▲New +7.6M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $84.5M | 6.8M | ▲+65% Added · +2.7M sh | Q1 2026 | |
| 7 | DIMENSIONAL FUND ADVISORS LP | $70.7M | 5.7M | ▲+1.4% Added · +82K sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $57.6M | 4.6M | ▼−3.8% Reduced · −181K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $56.5M | 4.5M | ▲+14% Added · +559K sh | Q1 2026 | |
| 10 | Neuberger Berman Group LLC | $45.7M | 3.7M | ▲+0.7% Added · +27K sh | Q1 2026 | |
| 11 | Nuveen, LLC | $40.3M | 3.2M | ▲+0.7% Added · +22K sh | Q1 2026 | |
| 12 | GOLDMAN SACHS GROUP INC | $35.6M | 2.9M | ▲+11% Added · +283K sh | Q1 2026 | |
| 13 | Nantahala Capital Management, LLC | $35.4M | 2.8M | ▲+16% Added · +397K sh | Q1 2026 | |
| 14 | Allspring Global Investments Holdings, LLC | $32.4M | 2.5M | ▲+72% Added · +1.1M sh | Q1 2026 | |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $27.1M | 2.2M | ▲+1.9% Added · +40K sh | Q1 2026 | |
| 16 | AMERIPRISE FINANCIAL INC | $23.2M | 1.9M | ▲+45% Added · +582K sh | Q1 2026 | |
| 17 | D. E. Shaw & Co., Inc. | $21.4M | 1.7M | ▼−35% Reduced · −942K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $21.2M | 1.7M | ▲+10% Added · +160K sh | Q1 2026 | |
| 19 | BlackBarn Capital Partners LP | $20.5M | 1.6M | ▲+5.1% Added · +80K sh | Q1 2026 | |
| 20 | Westshore Wealth, LLC | $17.1M | 1.4M | ▼−0.6% Reduced · −8K sh | Q1 2026 | |
| 21 | VANGUARD FIDUCIARY TRUST CO | $14.3M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 22 | JPMORGAN CHASE & CO | $11.7M | 982K | ▲+48% Added · +320K sh | Q1 2026 | |
| 23 | PRINCIPAL FINANCIAL GROUP INC | $12.1M | 973K | ▲+528% Added · +818K sh | Q1 2026 | |
| 24 | NEW YORK STATE COMMON RETIREMENT FUND | $11.9M | 955K | ▲+14% Added · +114K sh | Q1 2026 | |
| 25 | PFM Health Sciences, LP | $11.6M | 930K | ▼−37% Reduced · −535K 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 |
|---|---|---|---|---|---|
| May 11, 2026 | Autor Deborah M. | Director | Sell (S) | 35K | $451K |
| May 7, 2026 | MEISTER PAUL M | Director | Option exercise (M) | 49K | — |
| May 7, 2026 | BUCHI J KEVIN | Director | Option exercise (M) | 35K | — |
| May 7, 2026 | BUCHI J KEVIN | Director | Option exercise (M) | 35K | $0 |
| May 7, 2026 | Yanai Shlomo | Director | Option exercise (M) | 35K | — |
| May 7, 2026 | Yanai Shlomo | Director | Option exercise (M) | 35K | $0 |
| May 7, 2026 | Kiely John | Director | Option exercise (M) | 35K | — |
| May 7, 2026 | Kiely John | Director | Option exercise (M) | 35K | $0 |
| May 7, 2026 | Patel Gautam | Director | Option exercise (M) | 35K | — |
| May 7, 2026 | Patel Gautam | Director | Option exercise (M) | 35K | $0 |
| May 7, 2026 | George Jeffrey P. | Director | Option exercise (M) | 35K | — |
| May 7, 2026 | George Jeffrey P. | Director | Option exercise (M) | 35K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 91 funds | $46.0B |
| AMAZON.COM INCAMZN | 91 funds | $33.8B |
| NVIDIA CORPNVDA | 90 funds | $67.4B |
| APPLE INCAAPL | 90 funds | $53.7B |
| ALPHABET INC-CL AGOOGL | 90 funds | $30.0B |
| META PLATFORMS INC-CLASS AMETA | 90 funds | $20.9B |
| ELI LILLY & COLLY | 90 funds | $11.4B |
| BOSTON SCIENTIFIC CORPBSX | 90 funds | $2.6B |
| COSTCO WHOLESALE CORPCOST | 89 funds | $7.6B |
| VISA INC-CLASS A SHARESV | 88 funds | $8.7B |
| NETFLIX INCNFLX | 88 funds | $7.4B |
| ADVANCED MICRO DEVICESAMD | 88 funds | $6.3B |
Ranked by how many of AMRX'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 AMRX. 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.