LUCD

Lucid Diagnostics Inc$0.97 2.01%
Health CareUSCUSIP 54948X109· EOD Jul 20, 2026◍ Confluence graph
Tracked 13F Holders
94
+11 QoQ
13F Value (tracked)
$38.3M
Insider Net · 180d
$245K
1↑ 0↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)21 adding · 8 trimming
Insider net (180d)+$245K

Price & smart-money activity

$0.97 2.01%5Y -91.8%
$0.63$3.63$6.64$9.64$12.6520212022202320242025202674433232523472232424354923126217171618145
Hover for who · click for detailEnd-of-day closing prices52w $0.95 – $1.47

Who owns LUCD?

94 tracked 13F filers

94 tracked 13F filers disclose a position in LUCD as of the latest SEC 13F filings, a combined $38.3M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$5.3M
4.6M
+7.5%
Added · +326K sh
Q1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$4.8M
4.2M
First observed position
No prior filed position
Q1 2026
3MASTERS CAPITAL MANAGEMENT LLC
$4.6M
4.0M
Held
Q1 2026
4Aberdeen Group plc
$4.2M
3.6M
+5.4%
Added · +186K sh
Q1 2026
5Two Seas Capital LP
$3.5M
3.0M
Held
Q1 2026
6GEODE CAPITAL MANAGEMENT, LLC
$2.6M
2.2M
+11%
Added · +219K sh
Q1 2026
7Russell Investments Group, Ltd.
$1.8M
1.6M
156×
Added · +1.6M sh
Q1 2026
8STATE STREET CORP
$1.8M
1.6M
+15%
Added · +202K sh
Q1 2026
9WELLS FARGO & COMPANY/MN
$1.5M
1.3M
+39%
Added · +355K sh
Q1 2026
10NORTHERN TRUST CORP
$771K
671K
+5.3%
Added · +34K sh
Q1 2026
11VANGUARD FIDUCIARY TRUST CO
$717K
624K
First observed position
No prior filed position
Q1 2026
12VANGUARD PORTFOLIO MANAGEMENT LLC
$608K
529K
First observed position
No prior filed position
Q1 2026
13RAYMOND JAMES FINANCIAL INC
$604K
525K
New
+525K sh
Q1 2026
14RENAISSANCE TECHNOLOGIES LLC
$575K
500K
−40%
Reduced · −327K sh
Q1 2026
15UBS Group AG
$512K
445K
+44%
Added · +136K sh
Q1 2026
16Lido Advisors, LLC
$441K
383K
Held
Q1 2026
17FIRST MANHATTAN CO. LLC.
$372K
323K
Held
Q1 2026
18BANK OF MONTREAL /CAN/
$328K
285K
20×
Added · +271K sh
Q1 2026
19GOLDMAN SACHS GROUP INC
$279K
243K
−16%
Reduced · −47K sh
Q1 2026
20AQR CAPITAL MANAGEMENT LLC
$270K
235K
+188%
Added · +153K sh
Q1 2026
21Bank of New York Mellon Corp
$237K
206K
+1.7%
Added · +4K sh
Q1 2026
22CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$227K
197K
−12%
Reduced · −27K sh
Q1 2026
23LPL Financial LLC
$198K
172K
+22%
Added · +31K sh
Q1 2026
24FMR LLC
$139K
121K
+289%
Added · +90K sh
Q1 2026
25XTX Topco Ltd
$137K
120K
−47%
Reduced · −106K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is LUCD being bought or sold by institutions?

Last quarter, 13 funds opened a new position in LUCD and 8 added to an existing one, while 8 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
13
funds
Added
8
funds
Reduced
8
funds
Exited
0
funds

Funds that own LUCD also own

CompanyCo-held byCombined value
APPLE INCAAPL33 funds$15.0B
AMAZON.COM INCAMZN33 funds$10.0B
ALPHABET INC-CL CGOOG33 funds$6.1B
TESLA INCTSLA33 funds$3.4B
EXXON MOBIL CORPXOM33 funds$1.7B
CHEVRON CORPCVX33 funds$1.4B
HONEYWELL INTERNATIONAL INCHON33 funds$1.0B
LAM RESEARCH CORPLRCX33 funds$1.0B
LOCKHEED MARTIN CORPLMT33 funds$1.0B
CONOCOPHILLIPSCOP33 funds$404.7M
UNITED PARCEL SERVICE-CL BUPS33 funds$381.0M
NVIDIA CORPNVDA32 funds$16.2B

Ranked by how many of LUCD's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$245K
1 insiders
Sells · 180d
$0
0 insiders
Net
$245K
1 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
May 20, 2026Matheis DennisDirectorBuy (P)245K$245K
Aug 20, 2025Matheis DennisDirectorBuy (P)100K$102K
May 22, 2025Matheis DennisDirectorBuy (P)33K$44K
May 21, 2025Matheis DennisDirectorBuy (P)130K$171K
May 20, 2025Matheis DennisDirectorBuy (P)187K$243K
Sep 26, 2023Lapidus StanleyDirectorSell (S)10K$14K
Sep 26, 2023Lapidus StanleyDirectorSell (S)10K$14K
Sep 26, 2023Lapidus StanleyDirectorSell (S)10K$15K
Sep 25, 2023Lapidus StanleyDirectorSell (S)200$286
Sep 21, 2023Lapidus StanleyDirectorSell (S)100$144
Sep 20, 2023Lapidus StanleyDirectorSell (S)3K$5K
Sep 20, 2023Lapidus StanleyDirectorSell (S)412$593

Institutional ownership over time

89 funds+64 since Q3 2024
04589Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $38.1M

Recent filings

15 shown

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Ask your agent what changed in LUCD

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/LUCD/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for LUCD.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for LUCD. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.