Filing Flows › Supernus Pharmaceuticals (SUPN) › Who owns the stock
Who owns Supernus Pharmaceuticals (SUPN) stock
313 funds reported Supernus Pharmaceuticals (SUPN) shares in their latest 13F filings, worth $3.0B in all. The largest holder is BlackRock ($435M). Last quarter 150 funds added to their stakes and 132 cut them. Members of Congress and other officials disclosed 2 trades (2 buys, 0 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 9,350,046 | $435M | increase | 2026-06-30 |
| Vanguard Group | 6,048,496 | $301M | increase | 2025-12-31 |
| Millennium Management LLC | 3,853,212 | $179M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 3,305,429 | $154M | increase | 2026-06-30 |
| Armistice Capital, LLC | 2,646,201 | $123M | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 2,516,721 | $117M | increase | 2026-06-30 |
| State Street | 2,459,828 | $114M | increase | 2026-06-30 |
| Nomura Asset Management International | 2,378,329 | $111M | increase | 2026-06-30 |
| Dimensional Fund Advisors LP | 2,078,090 | $96.7M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 1,570,088 | $73.0M | decrease | 2026-06-30 |
| Stephens Investment Management Group LLC | 1,485,821 | $69.1M | increase | 2026-06-30 |
| Renaissance Technologies LLC | 1,478,180 | $68.8M | decrease | 2026-06-30 |
| Loomis Sayles & Co L P | 1,475,192 | $68.6M | increase | 2026-06-30 |
| Citadel Advisors LLC | 1,373,982 | $63.9M | decrease | 2026-06-30 |
| Two Sigma Investments, LP | 1,184,378 | $55.1M | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-03-03 | Gilbert Cisneros | purchase | $1K–$15K |
| 2025-12-11 | Gilbert Cisneros | purchase | $1K–$15K |
Supernus Pharmaceuticals' latest quarter
Supernus Pharmaceuticals, Q3 2026: revenue $227M (+18% year over year), operating margin 9.3%, net earnings $20.9M, operating cash flow $6.6M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most SUPN stock?
By the latest 13F filings: BlackRock ($435M); Vanguard Group ($301M); Millennium Management LLC ($179M); Vanguard Portfolio Management LLC ($154M); Armistice Capital, LLC ($123M).
Has Congress traded SUPN stock?
Officials disclosed 2 trades on file: 2 buys and 0 sales. The latest: Gilbert Cisneros, purchase on 2026-03-03.
What is the short interest in SUPN?
4,043,677 shares were sold short at the 2026-10-15 settlement, -18.9% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.