Latest Period
Q4 2025
Security Snapshot
Lucid Diagnostics Inc. - Common Stock, par value $0.001 per share (LUCD) Institutional Ownership
CUSIP: 54948X109
13F Institutional Holders and Ownership History from Q4 2021 to Q1 2026
Institutions Reporting
88
Shares (Excl. Options)
32,168,240
Price
$1.09
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- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- LUCD on Nasdaq
- Shares outstanding
- 141,152,375
- Price per share
- $1.28
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 32,168,240
- Total reported value
- $35,033,761
- % of total 13F portfolios
- 0%
- Share change
- -2,995,950
- Value change
- -$2,670,617
- Number of holders
- 88
- Price from insider filings
- $1.28
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- LUCD - Lucid Diagnostics Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 54948X109.
- 88 institutions reported positions in Q4 2025.
- 2 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 88 to 29 between Q4 2025 and Q1 2026.
- Reported value moved from $35,033,761 to $7,236,355.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 88 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 54948X109?
CUSIP 54948X109 identifies LUCD - Lucid Diagnostics Inc. - Common Stock, par value $0.001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 54948X109:
Significant Owners of Lucid Diagnostics Inc. - Common Stock, par value $0.001 per share (LUCD) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| PAVmed Inc. | 28% | -2.9% | $46,192,115 | 38,816,903 | 0% | PAVmed Inc. | 03 Feb 2026 | |
| Ayrton Capital LLC | 2% | $1,596,645 | 1,200,485 | Ayrton Capital LLC | 31 Dec 2024 |
As of 31 Dec 2025, 88 institutional investors reported holding 32,168,240 shares of Lucid Diagnostics Inc. - Common Stock, par value $0.001 per share (LUCD). This represents 23% of the company’s total 141,152,375 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Lucid Diagnostics Inc. - Common Stock, par value $0.001 per share (LUCD) together control 22% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 3.5% | 4,968,608 | +9.8% | 0% | $5,415,782 |
| BlackRock, Inc. | 3.1% | 4,312,638 | +18% | 0% | $4,700,775 |
| MASTERS CAPITAL MANAGEMENT LLC | 2.8% | 4,000,000 | +0.02% | 0.6% | $4,360,000 |
| Aberdeen Group plc | 2.4% | 3,457,894 | +38% | 0.01% | $3,769,104 |
| Two Seas Capital LP | 2.1% | 3,000,000 | 0% | 0.19% | $3,270,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4% | 2,026,827 | +21% | 0% | $2,209,465 |
| STATE STREET CORP | 0.96% | 1,352,955 | +33% | 0% | $1,474,721 |
| PERKINS CAPITAL MANAGEMENT INC | 0.8% | 1,126,000 | -0.09% | 0.97% | $1,227,340 |
| WELLS FARGO & COMPANY/MN | 0.65% | 919,479 | +29% | 0% | $1,002,232 |
| RENAISSANCE TECHNOLOGIES LLC | 0.59% | 826,527 | +181% | 0% | $900,914 |
| NORTHERN TRUST CORP | 0.45% | 637,014 | +26% | 0% | $694,346 |
| Sunbelt Securities, Inc. | 0.27% | 383,999 | 0% | 0.03% | $418,559 |
| Lido Advisors, LLC | 0.27% | 383,082 | 0% | 0% | $386,913 |
| LUMINUS MANAGEMENT LLC | 0.26% | 370,969 | -59% | 0.37% | $404,356 |
| JANE STREET GROUP, LLC | 0.26% | 362,615 | +1123% | 0% | $395,250 |
| Squarepoint Ops LLC | 0.24% | 342,883 | +1872% | 0% | $373,742 |
| FIRST MANHATTAN CO. LLC. | 0.23% | 323,450 | 0% | 0% | $352,561 |
| UBS Group AG | 0.22% | 309,494 | +113% | 0% | $337,348 |
| GOLDMAN SACHS GROUP INC | 0.2% | 289,275 | -48% | 0% | $315,310 |
| XTX Topco Ltd | 0.16% | 225,460 | 0.01% | $245,751 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.16% | 224,921 | +29% | 0% | $245,164 |
| Bank of New York Mellon Corp | 0.14% | 202,799 | -1.5% | 0% | $221,051 |
| XML Financial, LLC | 0.13% | 178,795 | 0% | 0.02% | $194,887 |
| MILLENNIUM MANAGEMENT LLC | 0.11% | 153,918 | 0% | $167,771 | |
| LPL Financial LLC | 0.1% | 141,391 | +0.15% | 0% | $154,116 |
Institutional Holders of Lucid Diagnostics Inc. - Common Stock, par value $0.001 per share (LUCD) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 6,292,481 | $7,236,355 | +$501,909 | $1.15 | 29 |
| 2025 Q4 | 32,168,240 | $35,033,761 | -$2,670,617 | $1.09 | 88 |
| 2025 Q3 | 35,169,477 | $35,524,166 | +$16,345,920 | $1.01 | 84 |
| 2025 Q2 | 18,928,571 | $21,732,070 | +$10,810,145 | $1.15 | 70 |
| 2025 Q1 | 9,361,697 | $13,942,565 | +$9,083,709 | $1.49 | 47 |
| 2024 Q4 | 3,301,334 | $2,700,118 | +$681,674 | $0.82 | 31 |
| 2024 Q3 | 2,453,404 | $1,999,216 | +$373,764 | $0.82 | 27 |
| 2024 Q2 | 1,993,582 | $1,635,840 | -$60,859 | $0.82 | 31 |
| 2024 Q1 | 2,071,200 | $1,687,992 | +$173,028 | $0.81 | 26 |
| 2023 Q4 | 1,747,190 | $2,463,380 | -$132,319 | $1.41 | 23 |
| 2023 Q3 | 1,915,159 | $2,240,076 | +$59,719 | $1.17 | 23 |
| 2023 Q2 | 1,863,743 | $2,590,935 | +$131,895 | $1.39 | 16 |
| 2023 Q1 | 1,768,504 | $2,486,590 | -$200,456 | $1.40 | 18 |
| 2022 Q4 | 1,914,916 | $2,603,465 | -$579,811 | $1.36 | 21 |
| 2022 Q3 | 2,303,350 | $3,522,489 | -$263,904 | $1.53 | 20 |
| 2022 Q2 | 2,455,369 | $5,552,000 | -$914,258 | $2.26 | 23 |
| 2022 Q1 | 2,705,630 | $9,090,000 | -$2,655,787 | $3.36 | 30 |
| 2021 Q4 | 3,308,904 | $17,765,000 | +$14,803,000 | $5.37 | 35 |