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/ESPR/capital-change-brief"
Use Arkolith's capital_change_brief for ESPR. 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. | $48.9M | 17.9M | ▲+1.0% Added · +170K sh | Q1 2026 | |
| 2 | Two Seas Capital LP | $31.2M | 11.4M | ▼−4.3% Reduced · −508K sh | Q1 2026 | |
| 3 | Trium Capital LLP | $35.3M | 11.2M | ▲New +11.2M sh | Q2 2026 | |
| 4 | ORBIMED ADVISORS LLC | $29.0M | 10.6M | ▲+77% Added · +4.6M sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $28.6M | 10.4M | ▲New +10.4M sh | Q1 2026 | |
| 6 | TWO SIGMA INVESTMENTS, LP | $25.9M | 9.5M | ▲+99% Added · +4.7M sh | Q1 2026 | |
| 7 | MARSHALL WACE, LLP | $19.4M | 7.1M | ▲+29% Added · +1.6M sh | Q1 2026 | |
| 8 | STATE STREET CORP | $19.3M | 7.1M | ▲+19% Added · +1.1M sh | Q1 2026 | |
| 9 | D. E. Shaw & Co., Inc. | $17.9M | 6.5M | ▼−5.3% Reduced · −363K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $16.3M | 6.0M | ▲+3.8% Added · +218K sh | Q1 2026 | |
| 11 | UBS Group AG | $11.8M | 4.3M | ▲14× Added · +4.0M sh | Q1 2026 | |
| 12 | ARMISTICE CAPITAL, LLC | $10.8M | 3.9M | ▲New +3.9M sh | Q1 2026 | |
| 13 | PenderFund Capital Management Ltd. | $10.7M | 3.9M | ▼−11% Reduced · −500K sh | Q1 2026 | |
| 14 | Nuveen, LLC | $9.9M | 3.6M | ▲~0% Added · +2K sh | Q1 2026 | |
| 15 | VANGUARD PORTFOLIO MANAGEMENT LLC | $9.7M | 3.5M | ▲New +3.5M sh | Q1 2026 | |
| 16 | MORGAN STANLEY | $7.5M | 2.7M | ▼−22% Reduced · −779K sh | Q1 2026 | |
| 17 | GOLDMAN SACHS GROUP INC | $6.6M | 2.4M | ▼−15% Reduced · −438K sh | Q1 2026 | |
| 18 | JONES FINANCIAL COMPANIES LLLP | $5.9M | 2.1M | ▲+2.0% Added · +41K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $5.8M | 2.1M | ▲+5.4% Added · +108K sh | Q1 2026 | |
| 20 | WASATCH ADVISORS LP | $6.1M | 1.9M | ▼−88% Reduced · −13.8M sh | Q2 2026 | |
| 21 | Eversept Partners, LP | $4.8M | 1.7M | ▼−55% Reduced · −2.1M sh | Q1 2026 | |
| 22 | Velan Capital Investment Management LP | $4.7M | 1.7M | ▲+42% Added · +510K sh | Q1 2026 | |
| 23 | Point72 Asset Management, L.P. | $4.6M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 24 | RENAISSANCE TECHNOLOGIES LLC | $4.4M | 1.6M | ▼−26% Reduced · −575K sh | Q1 2026 | |
| 25 | VANGUARD FIDUCIARY TRUST CO | $4.3M | 1.6M | ▲New +1.6M 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 |
|---|---|---|---|---|---|
| Jul 13, 2026 | Koenig Sheldon L. | President and CEO, Director | Disposed to issuer (D) | 647K | — |
| Jul 13, 2026 | Koenig Sheldon L. | President and CEO, Director | Disposed to issuer (D) | 753K | — |
| Jul 13, 2026 | Koenig Sheldon L. | President and CEO, Director | Disposed to issuer (D) | 642K | — |
| Jul 13, 2026 | Koenig Sheldon L. | President and CEO, Director | Disposed to issuer (D) | 2.1M | — |
| Jul 13, 2026 | Halladay Benjamin | Chief Financial Officer | Disposed to issuer (D) | 221K | — |
| Jul 13, 2026 | Halladay Benjamin | Chief Financial Officer | Disposed to issuer (D) | 213K | — |
| Jul 13, 2026 | Halladay Benjamin | Chief Financial Officer | Disposed to issuer (D) | 200K | — |
| Jul 13, 2026 | Halladay Benjamin | Chief Financial Officer | Disposed to issuer (D) | 705K | — |
| Jul 13, 2026 | Looker Benjamin | Chief Legal Officer | Disposed to issuer (D) | 269K | — |
| Jul 13, 2026 | Looker Benjamin | Chief Legal Officer | Disposed to issuer (D) | 201K | — |
| Jul 13, 2026 | Looker Benjamin | Chief Legal Officer | Disposed to issuer (D) | 150K | — |
| Jul 13, 2026 | Looker Benjamin | Chief Legal Officer | Disposed to issuer (D) | 668K | — |
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 59 funds | $6.4B |
| INTUITIVE SURGICAL INCISRG | 59 funds | $2.4B |
| NVIDIA CORPNVDA | 57 funds | $33.1B |
| APPLE INCAAPL | 57 funds | $26.1B |
| MICROSOFT CORPMSFT | 57 funds | $22.2B |
| AMAZON.COM INCAMZN | 57 funds | $18.6B |
| BROADCOM INCAVGO | 57 funds | $13.5B |
| NETFLIX INCNFLX | 57 funds | $3.9B |
| ORACLE CORPORCL | 57 funds | $3.4B |
| UNITEDHEALTH GROUP INCUNH | 57 funds | $2.7B |
| BOSTON SCIENTIFIC CORPBSX | 57 funds | $1.7B |
| REGENERON PHARMACEUTICALSREGN | 57 funds | $996.3M |
Ranked by how many of ESPR'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 ESPR. 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.