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/SRPT/capital-change-brief"
Use Arkolith's capital_change_brief for SRPT. 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. | $321.1M | 14.8M | ▲+3.3% Added · +472K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $144.5M | 6.6M | ▲New +6.6M sh | Q1 2026 | |
| 3 | STATE STREET CORP | $143.9M | 6.6M | ▲+0.2% Added · +14K sh | Q1 2026 | |
| 4 | AQR CAPITAL MANAGEMENT LLC | $138.6M | 6.4M | ▼−17% Reduced · −1.4M sh | Q1 2026 | |
| 5 | TWO SIGMA INVESTMENTS, LP | $99.9M | 4.6M | ▲+88% Added · +2.2M sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $99.6M | 4.6M | ▲New +4.6M sh | Q1 2026 | |
| 7 | FIRST TRUST ADVISORS LP | $90.0M | 4.1M | ▲+108% Added · +2.1M sh | Q1 2026 | |
| 8 | RA CAPITAL MANAGEMENT, L.P. | $84.9M | 3.9M | ▲New +3.9M sh | Q1 2026 | |
| 9 | Erste Asset Management GmbH | $61.3M | 3.0M | ▲+8.8% Added · +240K sh | Q1 2026 | |
| 10 | MORGAN STANLEY | $56.5M | 2.6M | ▲+36% Added · +684K sh | Q1 2026 | |
| 11 | Aberdeen Group plc | $50.5M | 2.3M | ▲+3.0% Added · +67K sh | Q1 2026 | |
| 12 | UBS Group AG | $48.6M | 2.2M | ▲+8.4% Added · +174K sh | Q1 2026 | |
| 13 | BANK OF AMERICA CORP /DE/ | $46.7M | 2.1M | ▲+27% Added · +451K sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $43.3M | 2.0M | ▲+4.4% Added · +84K sh | Q1 2026 | |
| 15 | FEDERATED HERMES, INC. | $38.9M | 1.8M | ▲+36% Added · +473K sh | Q1 2026 | |
| 16 | RENAISSANCE TECHNOLOGIES LLC | $36.2M | 1.7M | ▲+44% Added · +506K sh | Q1 2026 | |
| 17 | CANADA PENSION PLAN INVESTMENT BOARD | $27.0M | 1.2M | ▲+258% Added · +896K sh | Q1 2026 | |
| 18 | MILLENNIUM MANAGEMENT LLC | $26.6M | 1.2M | ▲+22% Added · +222K sh | Q1 2026 | |
| 19 | CITIGROUP INC | $25.0M | 1.1M | ▲+0.1% Added · +1K sh | Q1 2026 | |
| 20 | T. Rowe Price Investment Management, Inc. | Withheld | 1.1M | ▲+27% Added · +241K sh | Q1 2026 | |
| 21 | GOLDMAN SACHS GROUP INC | $23.5M | 1.1M | ▲+91% Added · +515K sh | Q1 2026 | |
| 22 | Connor, Clark & Lunn Investment Management Ltd. | $22.2M | 1.0M | ▼−5.8% Reduced · −63K sh | Q1 2026 | |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $19.5M | 898K | ▲+110% Added · +470K sh | Q1 2026 | |
| 24 | Legal & General Group Plc | $18.9M | 867K | ▲+228% Added · +602K sh | Q1 2026 | |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $17.2M | 791K | ▲+3.4% Added · +26K 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 4, 2026 | Wigzell Hans Lennart Rudolf | Director | Grant (A) | 17K | — |
| Jun 4, 2026 | BEHRENS M KATHLEEN | Director | Grant (A) | 17K | — |
| Jun 4, 2026 | Connelly Deirdre P | Director | Grant (A) | 17K | — |
| Jun 4, 2026 | Nicaise Claude | Director | Grant (A) | 17K | — |
| Jun 4, 2026 | Chambers Michael Andrew | Director | Grant (A) | 17K | — |
| Jun 4, 2026 | Barry Richard | Director | Grant (A) | 17K | — |
| Jun 4, 2026 | Boor Kathryn Jean | Director | Grant (A) | 17K | — |
| Jun 4, 2026 | Mayo Stephen | Director | Grant (A) | 17K | — |
| Mar 12, 2026 | Mayo Stephen | Director | Sell (S) | 7K | $123K |
| Mar 11, 2026 | Rothfuss Cristin | EVP, General Counsel | Tax withholding (F) | 974 | $17K |
| Mar 11, 2026 | Rodino-Klapac Louise | President, R&D and Tech Ops | Tax withholding (F) | 948 | $16K |
| Mar 11, 2026 | Wong Ryan Ho-Yan | Chief Financial Officer | Tax withholding (F) | 256 | $4K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 120 funds | $49.7B |
| ELI LILLY & COLLY | 119 funds | $12.4B |
| NVIDIA CORPNVDA | 118 funds | $76.3B |
| META PLATFORMS INC-CLASS AMETA | 118 funds | $22.2B |
| UNITEDHEALTH GROUP INCUNH | 118 funds | $4.8B |
| AMAZON.COM INCAMZN | 117 funds | $36.6B |
| TESLA INCTSLA | 117 funds | $14.9B |
| COSTCO WHOLESALE CORPCOST | 117 funds | $8.7B |
| APPLE INCAAPL | 116 funds | $60.0B |
| ALPHABET INC-CL AGOOGL | 116 funds | $32.4B |
| BROADCOM INCAVGO | 115 funds | $26.4B |
| MICRON TECHNOLOGY INCMU | 115 funds | $10.9B |
Ranked by how many of SRPT'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 SRPT. 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.