As of November 6, 2026, one holder's latest Schedule 13D or 13G filing report owning 5% or more of Aduro Clean Technologies Inc. The largest reported stake is Avshalom Ofer Vicus', at 24.9%. 2 filings are on record since September 25, 2026 (Schedule 13D/A, September 28, 2026).
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Aduro Clean Technologies Inc. has 2 Schedule 13D or 13G filings on record since 2026-09-25. 1 holder's latest filing reports 5% or more of common shares without par value. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| 24.9% | 8,932,568 | SCHEDULE 13D/A, 2026-09-28 | 2026-09-28 |
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Avshalom Ofer Vicus | 8,932,568 | 0 | 8,932,568 | 0 | SCHEDULE 13D/A, 2026-09-28 |
The latest filing identifies Aduro Clean Technologies Inc. by CUSIP 007408206 and gives its principal executive office as 542 Newbold Street, London (SCHEDULE 13D/A, 2026-09-28).
Source of funds (Item 3)
The Reporting Person entered into a securities account pledge and control agreement pursuant to which 500,000 Shares were pledged as collateral (the "Pledge Arrangement"). The Reporting Person did not sell, transfer or otherwise dispose of any Shares.Avshalom Ofer Vicus, SCHEDULE 13D/A, 2026-09-28
Purpose of Transaction (Item 4)
Avshalom Ofer Vicus
As described in Item 3 above, the Reporting Person entered into the Pledge Arrangement. The Pledge Arrangement does not constitute a sale, transfer or disposition of Shares and does not change the Reporting Person's investment intent with respect to the Issuer. The securities described in this Statement are being held by the Reporting Person for investment purposes. The Reporting Person may acquire additional securities through compensatory grants by the Issuer or through public or private purchases of Shares. In the ordinary course of his duties as Chief Executive Officer, Chairman and director of the Issuer, the Reporting Person has and expects in the future to discuss and to make decisions regarding plans or proposals with respect to the matters specified in clauses (a) through (j) of this Item 4 with the Issuer. Except as described in this Statement or in his capacity as Chief Executive Officer, Chairman or director of the Issuer, the Reporting Person has no plans or proposals which relate to or would result in: (a) The acquisition by any person of additional securities of the issuer, or the disposition of securities of the issuer. (b) An extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the issuer or any of its subsidiaries. (c) A sale or transfer of a material amount of assets of the issuer or any of its subsidiaries. (d) Any change in the present board of directors or management of the issuer, including any plans or …The first part of Item 4 of the SCHEDULE 13D/A filed 2026-09-28; the filing has the rest
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2026-09-25 | Avshalom Ofer Vicus | 24.9% | SCHEDULE 13D/A |
| 2026-09-28 | Avshalom Ofer Vicus | 24.9% | SCHEDULE 13D/A |
Questions about who owns Aduro Clean Technologies Inc.
Who owns Aduro Clean Technologies Inc.?
On this page, one holder's latest ownership filing reports 5% or more of Aduro Clean Technologies Inc.: Avshalom Ofer Vicus (24.9%, Schedule 13D/A, filed 2026-09-28).
When did Avshalom Ofer Vicus buy into Aduro Clean Technologies Inc.?
The filings give report dates, not purchase dates. The earliest filing from Avshalom Ofer Vicus on this page is the Schedule 13D/A, filed 2026-09-25, reporting 24.9%; its latest, Schedule 13D/A filed 2026-09-28, reports 24.9%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 2 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.