Vault-13

LUCID DIAGNOSTICS INC LUCD

COM · Common Stock · CUSIP 54948X109

116 institutional holders +13 vs Q1 2026
61,398,27761.4m shares reported held*
30.2% of all shares outstanding*
$65.7mreported value*
25 new 59 added 13 reduced 10 sold out net bought ≈ $28.6m (+26.7m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($10.3k this quarter). Holder counts are more reliable. Shares outstanding: 203.2m as of 2026-08-10, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.07. Options: 0 managers hold calls (— notional), 1 hold puts ($693.8k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 24Q4 22: 24Q1 23: 20Q2 23: 19Q3 23: 25Q4 23: 26Q1 24: 31Q2 24: 35Q3 24: 30Q4 24: 34Q1 25: 50Q2 25: 73Q3 25: 86Q4 25: 89Q1 26: 103Q2 26: 116116Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202224
Q4 202224
Q1 202320
Q2 202319
Q3 202325
Q4 202326
Q1 202431
Q2 202435
Q3 202430
Q4 202434
Q1 202550
Q2 202573
Q3 202586
Q4 202589
Q1 2026103
Q2 2026116

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 10 bought or addedQ3 24: 17 cut or sold outQ4 24: 18 bought or addedQ4 24: 13 cut or sold outQ4 24Q1 25: 31 bought or addedQ1 25: 12 cut or sold outQ2 25: 51 bought or addedQ2 25: 15 cut or sold outQ2 25Q3 25: 56 bought or addedQ3 25: 22 cut or sold outQ4 25: 48 bought or addedQ4 25: 30 cut or sold outQ4 25Q1 26: 54 bought or addedQ1 26: 30 cut or sold outQ2 26: 84 bought or addedQ2 26: 23 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20241017
Q4 20241813
Q1 20253112
Q2 20255115
Q3 20255622
Q4 20254830
Q1 20265430
Q2 20268423

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$200k$400k$600k$800kQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $0Q2 26 puts: $693.8kQ2 26P/C —
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$0$0—
Q1 2026$0$0—
Q2 2026$0$693.8k—

Biggest buyers

Alyeska Investment Group, L.P. New +8,856,844+8.9m
BlackRock, Inc. Added +3,734,874+3.7m
Two Seas Capital LP Added +3,000,000+3.0m
VANGUARD CAPITAL MANAGEMENT LLC Added +2,401,574+2.4m
FIRST MANHATTAN CO. LLC. Added +1,865,100+1.9m
GEODE CAPITAL MANAGEMENT, LLC Added +1,544,598+1.5m
STATE STREET CORP Added +882,756+882.8k
WELLS FARGO & COMPANY/MN Added +792,656+792.7k
NORTHERN TRUST CORP Added +549,294+549.3k
VANGUARD PORTFOLIO MANAGEMENT LLC Added +493,493+493.5k

Biggest sellers

RENAISSANCE TECHNOLOGIES LLC Reduced -428,361-428.4k
GOLDMAN SACHS GROUP INC Reduced -172,047-172.0k
XTX Topco Ltd Sold out -119,529-119.5k
FMR LLC Reduced -116,354-116.4k
Squarepoint Ops LLC Sold out -115,022-115.0k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -87,056-87.1k
LPL Financial LLC Reduced -39,221-39.2k
Virtu Financial LLC Sold out -27,096-27.1k
Abel Hall, LLC Sold out -25,728-25.7k
CREATIVE FINANCIAL DESIGNS INC /ADV Sold out -15,000-15.0k

Biggest calls

None

Biggest puts

Verition Fund Management LLC New $693.8k103.7k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
PAVmed Inc. 13D · may seek influence -0.8 pts · filed 2026-02-09
Stated purposeThe Reporting Person is the parent company of the Issuer. As a result of its ability to vote 27.5% of the Common Stock (and an estimated 26.3% of all the capital stock of the Issuer), the Reporting Person has the power to significantly influence the election of directors and all other matters that would require the vote of the outstanding shares of capital stock of the Issuer. Subject to the restrictions on transfer described in Item 6, the Reporting Person or any of the Principals, respectively, may acquire additional securities of the Issuer and may sell all or a portion of the securities then held in the open market or in privately negotiated transactions, although none of the Reporting Person or the Principals has any present intention to acquire or sell any securities of the Issuer ex… Full filing
27.5% -0.8 pts 38.8m≈ $41.5m 2026-02-09

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 1 buyingQ2 25: 0 sellingQ3 25: 1 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 1 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20251$458.3k0——
Q3 20251$102.0k0——
Q4 20250—0——
Q1 20260—0——
Q2 20261$245.0k0——
Q3 20260—0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-05-20 Matheis Dennis Director Bought 245,000 $1.00 $245.0k245.0k shares +31%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Alyeska Investment Group, L.P. 0.02% of their portfolio CHICAGO, IL 8,856,8448.9m $9.5m $9.5m 0.02% New
2 BlackRock, Inc. 0.00% of their portfolio New York, NY 8,373,1178.4m $9.0m $9.0m 0.00% Added +3.7m +3,734,874
3 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 6,556,3446.6m $7.0m $7.0m 0.00% Added +2.4m +2,401,574
4 Two Seas Capital LP 0.25% of their portfolio RYE, NY 6,000,0006.0m $6.4m $6.4m 0.25% Added +3.0m +3,000,000
5 MASTERS CAPITAL MANAGEMENT LLC 0.60% of their portfolio ATLANTA, GA 4,000,0004.0m $4.3m $4.3m 0.60% Unchanged
6 Aberdeen Group plc 0.01% of their portfolio EDINBURGH, X0 3,822,9973.8m $4.1m $4.1m 0.01% Added +178.7k +178,720
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 3,789,9483.8m $4.1m $4.1m 0.00% Added +1.5m +1,544,598
8 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 2,437,3372.4m $2.6m $2.6m 0.00% Added +882.8k +882,756
9 FIRST MANHATTAN CO. LLC. 0.01% of their portfolio NEW YORK, NY 2,188,5502.2m $2.3m $2.3m 0.01% Added +1.9m +1,865,100
10 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 2,067,0462.1m $2.2m $2.2m 0.00% Added +792.7k +792,656
11 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 1,651,7881.7m $1.8m $1.8m 0.00% Added +68.2k +68,180
12 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 1,219,8791.2m $1.3m $1.3m 0.00% Added +549.3k +549,294
13 PERKINS CAPITAL MANAGEMENT INC 0.91% of their portfolio WAYZATA, MN 1,125,0001.1m $1.2m $1.2m 0.91% Reduced -1.0k -1,000
14 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 1,068,1091.1m $1.1m $1.1m 0.00% Added +444.6k +444,552
15 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,022,2621.0m $1.1m $1.1m 0.00% Added +493.5k +493,493
16 UBS Group AG 0.00% of their portfolio ZURICH, V8 845,314845.3k $904.5k $904.5k 0.00% Added +399.8k +399,835
17 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 723,200723.2k $773.8k $773.8k 0.00% Added +488.4k +488,431
18 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 577,381577.4k $617.8k $617.8k 0.00% Added +52.4k +52,445
19 Lido Advisors, LLC 0.00% of their portfolio Los Angeles, CA 446,739446.7k $478.0k $478.0k 0.00% Added +63.7k +63,657
20 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 325,312325.3k $348.1k $348.1k 0.00% Added +127.9k +127,888
21 XML Financial, LLC 0.03% of their portfolio BETHESDA, MD 323,195323.2k $345.8k $345.8k 0.03% Added +100.0k +100,000
22 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 301,703301.7k $322.8k $322.8k 0.00% Added +95.4k +95,397
23 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 289,936289.9k $310.2k $310.2k 0.00% Added +4.7k +4,700
24 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 195,065195.1k $208.7k $208.7k 0.00% Added +104.8k +104,831
25 Tripletail Wealth Management, LLC 0.23% of their portfolio ORLANDO, FL 183,417183.4k $196.3k $196.3k 0.23% New
26 Focus Partners Wealth 0.00% of their portfolio ST LOUIS, MO 148,705148.7k $159.1k $159.1k 0.00% New
27 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 148,061148.1k $158.4k $158.4k 0.00% Added +67.7k +67,706
28 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 133,155133.2k $142.5k $142.5k 0.00% Reduced -39.2k -39,221
29 Jefferies Financial Group Inc. 0.00% of their portfolio NEW YORK, NY 130,000130.0k $139.1k $139.1k 0.00% New
30 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 121,952122.0k $131.0k $131.0k 0.00% Added +47.6k +47,575
31 Centiva Capital, LP 0.00% of their portfolio New York, NY 109,440109.4k $117.1k $117.1k 0.00% Added +40.4k +40,377
32 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 96,77696.8k $103.5k $103.5k 0.00% Added +8.2k +8,249
33 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 95,54395.5k $102.2k $102.2k 0.00% Added +80.8k +80,833
34 State of Wyoming 0.01% of their portfolio CHEYENNE, WY 93,92793.9k $100.5k $100.5k 0.01% New
35 Sequoia Financial Advisors, LLC 0.00% of their portfolio Akron, OH 92,15092.2k $98.6k $98.6k 0.00% New
36 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 84,08384.1k $90.0k $90.0k 0.00% Added +35.5k +35,453
37 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 82,75482.8k $88.5k $88.5k 0.00% Added +44.8k +44,828
38 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 71,30071.3k $76.3k $76.3k 0.00% Reduced -428.4k -428,361
39 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 70,61170.6k $75.6k $75.6k 0.00% Reduced -172.0k -172,047
40 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 69,79369.8k $74.7k $74.7k 0.00% Added +65.4k +65,376
41 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 68,47168.5k $73.3k $73.3k 0.00% Added +25.6k +25,591
42 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 65,74365.7k $70.3k $70.3k 0.00% Added +19.7k +19,706
43 Sargent Investment Group, LLC 0.01% of their portfolio BETHESDA, MD 65,00065.0k $69.5k $69.5k 0.01% Added +11.0k +10,970
44 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 62,77562.8k $65.9k $65.9k 0.00% Added +7.1k +7,127
45 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 58,70058.7k $62.8k $62.8k 0.00% Unchanged
46 TRAPHAGEN INVESTMENT ADVISORS LLC 0.00% of their portfolio ORADELL, NJ 58,59058.6k $62.7k $62.7k 0.00% Added +29.3k +29,295
47 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 57,89357.9k $61.9k $61.9k 0.00% New
48 Magnus Financial Group LLC 0.00% of their portfolio NEW YORK, NY 55,40055.4k $59.3k $59.3k 0.00% New
49 MML INVESTORS SERVICES, LLC 0.00% of their portfolio SPRINGFIELD, MA 50,00050.0k $53.5k $53.5k 0.00% Unchanged
50 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 47,20047.2k $54.3k $54.3k 0.00% Added +25.0k +25,000
51 Mariner, LLC 0.00% of their portfolio Overland Park, KS 43,14643.1k $46.2k $46.2k 0.00% Added +22.0k +21,993
52 TWO SIGMA SECURITIES, LLC 0.00% of their portfolio NEW YORK, NY 39,92139.9k $42.7k $42.7k 0.00% New
53 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 36,52636.5k $39.1k $39.1k 0.00% Added +13.2k +13,245
54 Pine Valley Investments Ltd Liability Co 0.00% of their portfolio MARLTON, NJ 36,48336.5k $39.0k $39.0k 0.00% Added +2.2k +2,200
55 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 36,36236.4k $38.9k $38.9k 0.00% New
56 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 30,73930.7k $32.9k $32.9k 0.00% Unchanged
57 R Squared Ltd 0.02% of their portfolio HONG KONG, K3 30,58730.6k $32.7k $32.7k 0.02% Added +9.1k +9,071
58 OPPENHEIMER & CO INC 0.00% of their portfolio NEW YORK, NY 30,00030.0k $32.1k $32.1k 0.00% Unchanged
59 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 28,85928.9k $30.9k $30.9k 0.00% New
60 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 26,59026.6k $28.5k $28.5k 0.00% Added +10.1k +10,137
61 Americana Partners, LLC 0.00% of their portfolio Houston, TX 26,42726.4k $28.3k $28.3k 0.00% Unchanged
62 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 26,39326.4k $26.4k $26.4k 0.00% New
63 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 24,90024.9k $26.6k $26.6k 0.00% Unchanged
64 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 24,43724.4k $26.0k $26.0k 0.00% Added +16.5k +16,530
65 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 22,62522.6k $24.2k $24.2k 0.00% Added +3.5k +3,451
66 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 22,43522.4k $24.0k $24.0k 0.00% Added +10.5k +10,495
67 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 22,29222.3k $23.9k $23.9k 0.00% Reduced -478 -478
68 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 21,06821.1k $22.5k $22.5k 0.00% Added +6.6k +6,648
69 SCRATCH CAPITAL LLC 0.01% of their portfolio BOISE, ID 20,99421.0k $22.5k $22.5k 0.01% Unchanged
70 SPROTT INC. 0.00% of their portfolio TORONTO, A6 20,00020.0k $21.4k $21.4k 0.00% Unchanged
71 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 19,78419.8k $21.2k $21.2k 0.00% New
72 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 19,71119.7k $21.1k $21.1k 0.00% Added +584 +584
73 GABELLI FUNDS LLC 0.00% of their portfolio Rye, NY 19,50019.5k $20.9k $20.9k 0.00% Unchanged
74 ProShare Advisors LLC 0.00% of their portfolio BETHESDA, MD 19,46819.5k $20.8k $20.8k 0.00% Added +6.4k +6,400
75 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 17,74717.7k $19.0k $19.0k 0.00% Added +7.6k +7,634
76 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 16,11816.1k $17.2k $17.2k 0.00% Reduced -87.1k -87,056
77 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 15,44015.4k $16.5k $16.5k 0.00% New
78 Legal & General Group Plc 0.00% of their portfolio London, X0 14,58014.6k $15.6k $15.6k 0.00% Added +8.3k +8,265
79 Accordant Advisory Group Inc 0.01% of their portfolio ANNAPOLIS, MD 14,30014.3k $15.3k $15.3k 0.01% Unchanged
80 XPONANCE LLC 0.00% of their portfolio PHILADELPHIA, PA 14,15914.2k $15.2k $15.2k 0.00% New
81 KESTRA PRIVATE WEALTH SERVICES, LLC 0.00% of their portfolio AUSTIN, TX 14,00014.0k $15.0k $15.0k 0.00% Added +900 +900
82 Obermeyer Wealth Partners 0.00% of their portfolio ASPEN, CO 13,00013.0k $13.9k $13.9k 0.00% Unchanged
83 Ausdal Financial Partners, Inc. 0.00% of their portfolio Davenport, IA 12,07512.1k $12.9k $12.9k 0.00% Unchanged
84 Pallas Capital Advisors LLC 0.00% of their portfolio BRAINTREE, MA 11,87411.9k $12.7k $12.7k 0.00% New
85 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 11,38511.4k $12.2k $12.2k 0.00% New
86 AlphaCore Capital LLC 0.00% of their portfolio LA JOLLA, CA 10,17510.2k $10.9k $10.9k 0.00% Added +175 +175
87 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 10,02810.0k $10.7k $10.7k 0.00% New
88 Merit Financial Group, LLC 0.00% of their portfolio ALPHARETTA, GA 10,01510.0k $10.7k $10.7k 0.00% New
89 Beacon Pointe Advisors, LLC 0.00% of their portfolio NEWPORT BEACH, CA 10,00010.0k $10.7k $10.7k 0.00% New
90 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 9,99310.0k $10.7k $10.7k 0.00% Added +9.9k +9,876
91 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 7,0677.1k $7.6k $7.6k 0.00% Unchanged
92 FMR LLC 0.00% of their portfolio BOSTON, MA 4,2154.2k $4.5k $4.5k 0.00% Reduced -116.4k -116,354
93 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 3,6993.7k $4.0k $4.0k 0.00% New
94 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 2,0582.1k $2.2k $2.2k 0.00% Added +1.7k +1,745
95 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 1,7381.7k $1.9k $1.9k 0.00% Added +1.3k +1,339
96 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,2631.3k $1.4k $1.4k 0.00% Reduced -3.6k -3,613
97 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 1,0101.0k $1.1k $1.1k 0.00% Unchanged
98 Winch Advisory Services, LLC 0.00% of their portfolio Appleton, WI 800800 $856 $856 0.00% Unchanged
99 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 567567 $607 $607 0.00% Reduced -2.3k -2,271
100 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 522522 $559 $559 0.00% Reduced -1.4k -1,378