Lucid Diagnostics Inc. (LUCD) ownership: Top institutional holder: VANGUARD GROUP INC ($5.42M). Insider activity: Net Seller (0 buys, 12 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 4968608.00 | $5.42M | 2025-12-31 |
| BlackRock, Inc. | 4638243.00 | $5.33M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4154770.00 | $4.78M | 2026-03-31 |
| MASTERS CAPITAL MANAGEMENT LLC | 4000000.00 | $4.60M | 2026-03-31 |
| Aberdeen Group plc | 3644277.00 | $4.19M | 2026-03-31 |
| Two Seas Capital LP | 3000000.00 | $3.45M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 2245350.00 | $2.58M | 2026-03-31 |
| Russell Investments Group, Ltd. | 1583608.00 | $1.82M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-02-20 | |
| Sell | null | 2026-02-20 | |
| Sell | null | 2026-02-20 | |
| Sell | null | 2026-02-20 | |
| Sell | null | 2026-02-20 | |
| Sell | null | 2026-02-20 | |
| Sell | null | 2026-02-20 |
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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.