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Lucid Diagnostics Inc.

LUCD
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001799011

No open-market purchases or sales by Lucid Diagnostics Inc. insiders were filed in the last 90 days; 115 institutions reported holding it in 13F filings for Q2 2026, worth $65.7M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Lucid Diagnostics Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of LUCD: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders86189+4
Shares35.2M2532.2M−2.99M (−8.5%)
Value$35.5M$25$35.0M−$490.4K (−1.4%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (18)

Institutions that held Lucid Diagnostics Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to LUCD in Q4 2025
InstitutionSharesValue% of portfolio
XTX Topco Ltd225,460$245.8K0.01%
Millennium Management LLC153,918$167.8K0.00%
Deutsche Bank AG80,355$87.6K0.00%
Citadel Advisors LLC56,210$61.3K0.00%
Abel Hall, LLC30,621$33.4K0.01%
Gabelli Funds LLC19,500$21.3K0.00%
R Squared Ltd18,439$20.1K0.01%
Quadrature Capital Ltd15,801$17.2K0.00%
Pathstone Holdings, LLC14,958$16.3K0.00%
Mariner, LLC13,860$15.1K0.00%
Two Sigma Securities, LLC11,601$12.6K0.00%
Victory Capital Management Inc10,835$11.8K0.00%
Flagship Harbor Advisors, LLC3,000$3.27K0.00%
Winch Advisory Services, LLC800$8720.00%
The PNC Financial Services Group, Inc.170$1850.00%
GAMMA Investing LLC142$1550.00%
Larson Financial Group LLC4$40.00%
True Wealth Design, LLC2$30.00%

Sold out (14)

Institutions that held Lucid Diagnostics Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Not filed for Q4 2025 yet (1)

Institutions that held Lucid Diagnostics Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding LUCD in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Binnacle Investments Inc25$25