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/SUPN/capital-change-brief"
Use Arkolith's capital_change_brief for SUPN. 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. | $454.7M | 8.8M | ▲+0.7% Added · +61K sh | Q1 2026 | |
| 2 | MILLENNIUM MANAGEMENT LLC | $171.4M | 3.3M | ▲+26% Added · +676K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $167.4M | 3.2M | ▲New +3.2M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $127.5M | 2.5M | ▲New +2.5M sh | Q1 2026 | |
| 5 | DIMENSIONAL FUND ADVISORS LP | $119.2M | 2.3M | ▼−15% Reduced · −405K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $118.3M | 2.3M | ▲+3.1% Added · +69K sh | Q1 2026 | |
| 7 | ARMISTICE CAPITAL, LLC | $98.0M | 1.9M | ▼−31% Reduced · −869K sh | Q1 2026 | |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $88.1M | 1.7M | ▼−1.6% Reduced · −27K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $83.9M | 1.6M | ▲+10% Added · +151K sh | Q1 2026 | |
| 10 | CITADEL ADVISORS LLC | $77.2M | 1.5M | ▲+230% Added · +1.0M sh | Q1 2026 | |
| 11 | LOOMIS SAYLES & CO L P | $73.7M | 1.4M | ▼−1.6% Reduced · −23K sh | Q1 2026 | |
| 12 | Stephens Investment Management Group LLC | $69.9M | 1.4M | ▼−3.9% Reduced · −55K sh | Q1 2026 | |
| 13 | Point72 Asset Management, L.P. | $68.2M | 1.3M | ▼−42% Reduced · −946K sh | Q1 2026 | |
| 14 | Sofinnova Investments, Inc. | $49.3M | 954K | ▲+73% Added · +401K sh | Q1 2026 | |
| 15 | MORGAN STANLEY | $47.2M | 914K | ▼−15% Reduced · −166K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $44.3M | 856K | ▲+30% Added · +196K sh | Q1 2026 | |
| 17 | BANK OF AMERICA CORP /DE/ | $36.9M | 714K | ▲+37% Added · +193K sh | Q1 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $36.5M | 706K | ▲+0.3% Added · +2K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $36.2M | 699K | ▲+4.3% Added · +29K sh | Q1 2026 | |
| 20 | ASHFORD CAPITAL MANAGEMENT INC | $33.4M | 645K | ▲+5.4% Added · +33K sh | Q1 2026 | |
| 21 | Freestone Grove Partners LP | $33.1M | 641K | ▲+227% Added · +445K sh | Q1 2026 | |
| 22 | D. E. Shaw & Co., Inc. | $32.2M | 622K | ▼−12% Reduced · −86K sh | Q1 2026 | |
| 23 | VICTORY CAPITAL MANAGEMENT INC | $26.0M | 502K | ▼−4.5% Reduced · −24K sh | Q1 2026 | |
| 24 | Qube Research & Technologies Ltd | $25.8M | 498K | ▲+60% Added · +186K sh | Q1 2026 | |
| 25 | RICE HALL JAMES & ASSOCIATES, LLC | $24.7M | 477K | ▲+2.0% Added · +10K 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 |
|---|---|---|---|---|---|
| Mar 18, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Sell (S) | 412 | $21K |
| Mar 18, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 7K | $286K |
| Mar 18, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Sell (S) | 7K | $339K |
| Mar 18, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 7K | $0 |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 23K | $896K |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 12K | $450K |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 15K | $579K |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Sell (S) | 28K | $1.4M |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Sell (S) | 22K | $1.1M |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 23K | $0 |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 12K | $0 |
| Mar 17, 2026 | Bhatt Padmanabh P. | Sr. VP of IP, CSO | Option exercise (M) | 15K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 103 funds | $49.9B |
| AMAZON.COM INCAMZN | 100 funds | $36.6B |
| JPMORGAN CHASE & COJPM | 100 funds | $14.6B |
| META PLATFORMS INC-CLASS AMETA | 99 funds | $23.5B |
| ELI LILLY & COLLY | 99 funds | $12.8B |
| ALPHABET INC-CL AGOOGL | 98 funds | $32.0B |
| MICRON TECHNOLOGY INCMU | 97 funds | $9.9B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 97 funds | $9.7B |
| MASTERCARD INC - AMA | 97 funds | $8.5B |
| COSTCO WHOLESALE CORPCOST | 97 funds | $7.5B |
| NVIDIA CORPNVDA | 96 funds | $69.3B |
| APPLE INCAAPL | 96 funds | $56.3B |
Ranked by how many of SUPN'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 SUPN. 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.