Bluejay Diagnostics, Inc. (BJDX) ownership: Top institutional holder: SABBY MANAGEMENT, LLC ($52856.00). Insider activity: Neutral (10 buys, 10 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | 28726.00 | $52856.00 | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 28127.00 | $51753.00 | 2026-03-31 |
| ARMISTICE CAPITAL, LLC | 65000.00 | $43368.00 | 2025-12-31 |
| CITADEL ADVISORS LLC | 41794.00 | $27885.00 | 2025-12-31 |
| RENAISSANCE TECHNOLOGIES LLC | 32100.00 | $21417.00 | 2025-12-31 |
| TWO SIGMA SECURITIES, LLC | 14351.00 | $9575.00 | 2025-12-31 |
| Tower Research Capital LLC (TRC) | 1729.00 | $3181.00 | 2026-03-31 |
| METEORA CAPITAL, LLC | 1.00 | $1000.00 | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-03-14 | |
| Buy | null | 2026-03-14 | |
| Buy | null | 2026-03-14 | |
| Buy | null | 2026-03-14 | |
| Buy | null | 2026-03-14 | |
| Buy | null | 2023-12-13 | |
| Buy | null | 2023-12-13 | |
| Buy | null | 2023-03-27 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.