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LIQT · NASDAQ · Industrial - Pollution & Treatment Controls

LiqTech International (LIQT)

Silicon-carbide filtration systems and components for demanding water and diesel exhaust applications.

$0.6820
vs last close+0.01 (+1.79%)

13F · 13D/G · Form 4

Institutions117.40%11.67M shares
27 holders · as of Jun 30, 2026
Insiders21.28%2.11M shares
8 holders · as of Aug 19, 2026
Adds to138.68%

9.94M company shares as of Sep 9, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

Two share counts disagree (32.95M in the company's Sep 23, 2026 report, 9.94M elsewhere); stakes use the report.

These groups come from separate filings that can overlap, so they add to 138.68%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
Bleichroeder LPInstitution
69.26%6.88Mas of Jun 30, 2026
Marathon Micro Fund, LPInstitution
30.19%3.00Mfiled Jun 17, 2026
Alyeska Investment Group, L.P.Institution
20.13%2.00Mas of Jun 30, 2026
Cable Car Capital LLCInstitution
10.06%1.00Mas of Jun 30, 2026
Andrews BenInsider
8.58%852,600filed Feb 11, 2025
Sequoia Financial Advisors, LLCInstitution
5.03%500,000as of Jun 30, 2026
Alexander J. BuehlerInsiderdirector
4.71%467,623filed Jan 13, 2025
Morgan StanleyInstitution
4.57%454,303as of Jun 30, 2026
Fei ChenInsiderdirector, officer: Chief Executive Officer
4.21%417,898filed Jan 13, 2026
Corsair Capital Management, L.P.Institution
2.52%250,000as of Jun 30, 2026
Peyton BoswellInsiderdirector
1.22%121,305filed Jan 13, 2025
Warberg Asset Management LLCInstitution
0.92%91,746as of Jun 30, 2026
David KowalczykInsiderofficer: CFO and COO
0.89%88,779filed Jan 13, 2026
Richard A. MeeusenInsiderdirector
0.68%67,281filed Jan 13, 2025
Clear Harbor Asset Management, LLCInstitution
0.61%60,756as of Jun 30, 2026
Hightower Advisors, LLCInstitution
0.61%60,432as of Jun 30, 2026
Hohimer Wealth Management, LLCInstitution
0.50%50,000as of Jun 30, 2026
Robert WowkInsiderdirector
0.50%50,000filed Aug 19, 2026
Vanguard Capital Management LLCInstitution
0.49%49,175as of Jun 30, 2026
Martin KunzInsiderdirector
0.49%48,918filed Jan 13, 2025
Geode Capital Management, LLCInstitution
0.42%41,574as of Jun 30, 2026
Wealthtrust Axiom LLCInstitution
0.41%40,389as of Jun 30, 2026
HRT Financial LPInstitution
0.35%34,923as of Jun 30, 2026
Mesirow Financial Investment Management, Inc.Institution
0.26%25,737as of Jun 30, 2026
Vanguard Fiduciary Trust CoInstitution
0.22%21,970as of Jun 30, 2026

13F, as of Jun 30, 2026

27 holders · 11.67M shares · 14 new positions · 17 increased · 2 reduced · 2 closed

HolderShares% outstandingChg q/qFiled
Bleichroeder LP6.88M69.26%+3.70MAug 13, 2026
Alyeska Investment Group, L.P.2.00M20.13%+2.00MnewAug 14, 2026
Cable Car Capital LLC1.00M10.06%+1.00MnewAug 14, 2026
Sequoia Financial Advisors, LLC500.0K5.03%+500.0KnewJul 17, 2026
Morgan Stanley454.3K4.57%+145.0KAug 13, 2026
Corsair Capital Management, L.P.250.0K2.52%+250.0KnewAug 14, 2026
Warberg Asset Management LLC91.7K0.92%+91.7KnewAug 11, 2026
Clear Harbor Asset Management, LLC60.8K0.61%0Aug 12, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Bleichroeder LPincl. Bleichroeder Holdings LLC33.70%3.18MNov 19, 2024
Lytton Laurence W9.99%999.4K13GNov 14, 2025
Marathon Micro Fund, LP9.10%3.00M13GJun 17, 2026
Andrews Ben9.00%852.6K13GFeb 11, 2025
Alyeska Investment Group, L.P.6.68%2.00M13GAug 14, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 5, 2026
Robert Wowkdirector
Purchase50,000$1.0050,000
Jun 5, 2026
Bleichroeder LP10 percent owner
Purchase700,000$1.003,882,239

House and Senate disclosures

Not reported.