SmartKem, Inc.
SMTK- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001817760
No open-market purchases or sales by SmartKem, Inc. insiders were filed in the last 90 days; 11 institutions reported holding it in 13F filings for Q2 2026, worth $365.8K in total; no superinvestor holds it.
Holders of 5% or more of SMTK
Holders whose latest Schedule 13D or 13G filing reports 5% or more of SmartKem, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Hirschman Orin | 13G/A | 9.90%362.8K shares | 0.00 ppfrom 9.90% | Feb 3, 20252 filings | Feb 4, 2025 | SEC |
| Lizzio Joseph Christopher | 13G | 7.65%419.0K shares | New | Sep 24, 20251 filing | Sep 24, 2025 | SEC |
| Five Narrow Lane LP | 13G/A | 7.49%410.6K shares | – | Nov 12, 20251 filing | Nov 12, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on SmartKem, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 202510:46 AM ET | Bleichroeder LPand 2 others | 13G/A | 4.10%231.7K shares | −0.94 ppfrom 5.04%Below 5% | Sep 30, 2025 | SEC |
| Nov 12, 202512:32 PM ET | Five Narrow Lane LP | 13G/A | 7.49%410.6K shares | – | Sep 30, 2025 | SEC |
| Sep 24, 20256:52 PM ET | Lizzio Joseph Christopher | 13G | 7.65%419.0K shares | New | Sep 4, 2025 | SEC |
| Aug 14, 202511:16 AM ET | Bleichroeder LPand 2 others | 13G/A | 5.04%231.7K shares | −3.90 ppfrom 8.94% | Jun 30, 2025 | SEC |
| Jul 1, 202510:12 AM ET | MYDA Advisors LLCand 3 others | 13G/A | 4.90%217.1K shares | −4.50 ppfrom 9.40%Below 5% | Jun 30, 2025 | SEC |
| May 15, 20253:50 PM ET | Lytton Laurence W | 13G/A | 4.90%222.7K shares | −4.50 ppfrom 9.40%Below 5% | Mar 31, 2025 | SEC |
| May 12, 20251:47 PM ET | Octopus Investments Ltd.and 1 other | 13D/A | 4.80%213.6K shares | −1.20 ppfrom 6.00%Below 5% | May 8, 2025 | SEC |
| Mar 31, 20256:43 PM ET | Bleichroeder LPand 2 others | 13G | 8.94%333.3K shares | New | Feb 15, 2025 | SEC |
| Feb 4, 20258:53 AM ET | Hirschman Orinand 1 other | 13G/A | 9.90%362.8K shares | 0.00 ppfrom 9.90% | Dec 31, 2024 | SEC |
| Feb 3, 20258:07 PM ET | Hirschman Orinand 1 other | 13G/A | 9.90%380.2K shares | – | Dec 31, 2024 | SEC |
| Jan 21, 20259:40 AM ET | Octopus Investments Ltd.and 1 other | 13D/A | 6.00%213.6K shares | – | Jan 26, 2024 | SEC |
| Dec 27, 20245:14 PM ET | MYDA Advisors LLCand 3 others | 13G | 9.40%333.3K shares | New | Dec 20, 2024 | SEC |
| Dec 23, 20246:52 PM ET | Lytton Laurence W | 13G | 9.40%333.3K shares | New | Dec 20, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell SmartKem, Inc. shares.
No Form 144 notices for SmartKem, Inc. are on file.