SEC ownership of LIQTECH INTERNATIONAL INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001307579.

Comparable stake leader

Bleichroeder LP

Disclosed value leader

Laurence W. Lytton

Comparable rows

33/41

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
33 of 41
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Bleichroeder LP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001307579
Issuer location
Ballerup, Denmark

Ownership snapshot

Top shareholders of LIQTECH INTERNATIONAL INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Bleichroeder LP
Disclosed value leader
Laurence W. Lytton
Comparable rows
33/41
Latest evidence
30 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 21% 8 rows are not safely comparable across share classes. 13D/G row: Bleichroeder LP Showing 1-8 of 41 holder rows.

Quick read

Bleichroeder LP leads the comparable SEC ownership view at 21%.

33 of 41 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Bleichroeder LP's linked filing trail.
Comparable ownership Top 5
Bleichroeder LP 21%
Laurence W. Lytton 10%
Marathon Micro Fund, LP 9.1%
Andrews Ben 9%
Alyeska Investment Group, L.P. 6.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 41 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Bleichroeder LP
13D/G 3/4/5 13F
10%+ Owner · Company
21%
$15,072,103
6,882,239 shares
+$8,103,000 05 Jun 2026
Laurence W. Lytton
3/4/5 13D/G
10%+ Owner · LYTTON LAURENCE W
10%
from 13D/G
$16,589,051
13,284,848 shares
mixed-class rows
13 May 2022
Marathon Micro Fund, LP
13D/G
9.1%
$3,270,000
3,000,000 shares
$0 10 Jun 2026
Andrews Ben
13D/G
9%
$1,372,686
852,600 shares
$0 31 Dec 2024
Alyeska Investment Group, L.P.
13F 13D/G
Company
6.7%
from 13D/G
$1,698,000
2,000,000 shares
30 Jun 2026
Fei Chen
3/4/5
Chief Executive Officer, Director
1.4%
$622,668
417,898 shares
03 Jan 2026
David Kowalczyk
3/4/5
CFO and COO
0.3%
$132,280
88,779 shares
19 Dec 2025
Robert Wowk
3/4/5
Director
0.17%
$50,000
50,000 shares
+$50,000 05 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$750,000.

Buys
$750,000
Insiders: 2
Sells
$0
Insiders: 0
Net
+$750,000
Shares: +750,000
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 750,000 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 750,000 0 $750,000 $0 +$750,000
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-13 of 13 reporting-owner rows connected to LIQTECH INTERNATIONAL INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
13
Largest Forms 3/4/5 holder
Laurence W. Lytton
Net 12M change
+$750,000
Latest report
05 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Laurence W. Lytton 10%+ Owner $16,589,051 Mixed 13 May 2022
Bleichroeder LP 10%+ Owner $13,145,076 +$700,000 +5.6% Mixed 05 Jun 2026
Mark Vernon Director $2,963,678 Mixed 03 Jan 2023
Alexander J. Buehler Director $874,455 Mixed 07 Jan 2025
Fei Chen Chief Executive Officer, Director $622,668 Mixed 03 Jan 2026
Simon Seidelin Stadil Chief Financial Officer $497,521 Mixed 03 Jan 2024
Peyton Boswell Director $226,840 Mixed 07 Jan 2025
David Kowalczyk CFO and COO $132,280 Mixed 19 Dec 2025
Richard A. Meeusen Director $125,815 Mixed 07 Jan 2025
Martin Kunz Director $91,477 Mixed 07 Jan 2025
Robert Wowk Director $50,000 +$50,000 +100% Filing P/S 05 Jun 2026
Phillip Massie Price Interim CFO $48,255 Mixed 06 May 2024
Mathiesen Sune Chief Executive Officer, Director Mixed 03 Jan 2022

Recent insider transactions for LIQTECH INTERNATIONAL INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Bleichroeder LP LIQT Common Stock Other 77.3% 3,000,000 6,882,239 08 Jun 2026 See footnote
Robert Wowk LIQT Common Stock Purchase $50,000 $1.00 50,000 50,000 05 Jun 2026 Direct
Bleichroeder LP LIQT Common Stock Purchase 22% $700,000 $1.00 700,000 3,882,239 05 Jun 2026 See footnote
Fei Chen LIQT Common Stock Tax liability -14% -67,860 417,898 03 Jan 2026 Direct
David Kowalczyk LIQT Common Stock Tax liability -5.92% -5,589 88,779 03 Jan 2026 Direct
David Kowalczyk LIQT Common Stock Award 94,368 94,368 19 Dec 2025 Direct
Fei Chen LIQT Common Stock Tax liability -2.55% -13,021 498,593 12 Sep 2025 Direct
* marks a reported price that did not pass the local price check.
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