Comparable stake leader
Bleichroeder LP
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
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.
Quick read
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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| 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 |
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
Net insider flow leans to buying over the last 12 months. Net value: +$750,000.
| 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
Showing 1-13 of 13 reporting-owner rows connected to LIQTECH INTERNATIONAL INC. Open a relationship link for the CIK-to-CIK filing trail.
| 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 |
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 |