Delisting risk
QNRX · NASDAQ · Biotechnology

Quoin Pharmaceuticals (ADR) (QNRX)

Developing topical therapies for rare genetic skin diseases.

$6.57
Pre-market−0.24 (−3.50%)
At close$6.81(+4.53%)

Breakdown13F · 13D/G · Form 4

Institutions20 holders · as of Mar 31, 202649.16%2.37M ADS
Insiders6 holders · as of Sep 1, 20265.81%279.8K ADS
Otherremainder45.03%2.17M ADS

4.82M ADS (1 ADS = 15 ordinary shares) as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Two share counts disagree (4.82M in the company's Sep 3, 2026 report, 2.01M elsewhere); stakes use the report.

This company has 2 share classes; every stake here is a share of the whole company.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Ikarian Capital, LLCInstitution
8.78%211,538 ADS · 211,538 ADS13Fas of Mar 31, 2026
Dauntless Investment Group, LLCInstitution
8.16%196,592 ADS · 196,592 ADS13Fas of Mar 31, 2026
Summittx Capital, L.P.Institution
4.16%100,300 ADS · 100,300 ADS13Fas of Mar 31, 2026
Velan Capital Investment Management LPInstitution
3.52%84,849 ADS · 84,849 ADS13Fas of Mar 31, 2026
Woodline Partners LPInstitution
3.30%79,582 ADS · 79,582 ADS13Fas of Mar 31, 2026
Millennium Management LLCInstitution
3.16%76,247 ADS · 76,247 ADS13Fas of Mar 31, 2026
Abrdn PLCInstitution
3.11%75,000 ADS · 75,000 ADS13Fas of Mar 31, 2026
Soleus Capital Management, L.P.Institution
3.02%72,730 ADS · 72,730 ADS13Fas of Mar 31, 2026
Centiva Capital, LPInstitution
2.49%60,000 ADS · 60,000 ADS13Fas of Mar 31, 2026
Boothbay Fund Management, LLCInstitution
2.48%59,838 ADS · 59,838 ADS13Fas of Mar 31, 2026
Stonepine Capital Management, LLCInstitution
2.22%53,460 ADS · 53,460 ADS13Fas of Mar 31, 2026
Aigh Capital Management LLCInstitution
2.12%51,000 ADS · 51,000 ADS13Fas of Mar 31, 2026
Michael Myers1Insiderdirector, officer: Chief Executive Officer
1.62%37,713 ADS · 602,808 ordinaryForm 4filed Sep 1, 2026
Denise P. Carter1Insiderdirector, officer: Chief Operating Officer
1.62%37,709 ADS · 602,648 ordinaryForm 4filed Sep 1, 2026
Citadel Advisors LLCInstitution
1.35%32,519 ADS · 32,519 ADS13Fas of Mar 31, 2026
Dennis LangerInsiderdirector
1.17%56,243 ADSForm 4filed Aug 28, 2026
Anthony James CulverwellInsiderdirector
0.98%40,364 ADS · 100,317 ordinaryForm 4filed Sep 1, 2026
Birchview Capital, LPInstitution
0.83%20,000 ADS · 20,000 ADS13Fas of Mar 31, 2026
Sally Bridget LawlorInsiderofficer: Chief Financial Officer
0.22%10,684 ADSForm 4filed Sep 1, 2026
Gordon DunnInsiderofficer: Chief Financial Officer
0.21%151,077 ordinaryForm 4filed Dec 27, 2024
Morgan StanleyInstitution
0.17%4,000 ADS · 4,000 ADS13Fas of Mar 31, 2026
UBS Group AGInstitution
0.10%2,512 ADS · 2,512 ADS13Fas of Mar 31, 2026
Gamma Investing LLCInstitution
0.07%1,720 ADS · 1,720 ADS13Fas of Mar 31, 2026
Rhumbline AdvisersInstitution
0.06%1,521 ADS · 1,521 ADS13Fas of Mar 31, 2026
Barclays PLCInstitution
0.05%1,300 ADS · 1,300 ADS13Fas of Mar 31, 2026
  1. Reported at 4.90% on Jan 28, 2025, under the 5% line, so no further filing is required.

13F — a manager's quarterly holdings · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

20 holders · 1.18M shares · 5 new positions · 12 increased · 4 reduced · 3 closed

HolderShares% of companyChg q/qFiled
Ikarian Capital, LLC211.5K4.39%0May 15, 2026
Dauntless Investment Group, LLC196.6K4.08%+196.6KnewMay 14, 2026
Summittx Capital, L.P.100.3K2.08%+35.5KMay 15, 2026
Velan Capital Investment Management LP84.8K1.76%+84.8KnewMay 15, 2026
Woodline Partners LP79.6K1.65%0May 15, 2026
Millennium Management LLC76.2K1.58%+1.4KMay 15, 2026
Abrdn PLC75.0K1.56%0Apr 29, 2026
Soleus Capital Management, L.P.72.7K1.51%+47.7KMay 14, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Ikarian Capital, LLC12.60%211.5K13GFeb 6, 2026
Stonepine Capital Management, LLC9.99%13GMay 15, 2026
Armistice Capital, LLC9.99%934.3K13GFeb 14, 2025
Resolute Capital Asset Partners LLC8.50%50.0K13GDec 11, 2025
Integrated Core Strategies (US) LLC5.50%13GJun 2, 2026

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 31, 2026
Michael Myersdirector, officer: Chief Executive Officer
Purchase · 2 lots30,735$5.2947,958
Aug 31, 2026
Denise P. Carterdirector, officer: Chief Operating Officer
Purchase · 2 lots30,735$5.2947,954
Aug 31, 2026
Anthony James Culverwelldirector
Purchase · 2 lots9,219$5.2943,437
Aug 31, 2026
Sally Bridget Lawlorofficer: Chief Financial Officer
Purchase · 2 lots15,366$5.2915,806
Oct 14, 2025
Dennis Langerdirector
Purchase · 5 lots75,760$10.5375,761

CongressHouse and Senate disclosures

Not reported.