Psyence Biomedical Ltd.
PBM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001985062
No open-market purchases or sales by Psyence Biomedical Ltd. insiders were filed in the last 90 days; 9 institutions reported holding it in 13F filings for Q2 2026, worth $1.24M in total; no superinvestor holds it.
Other share classesPBMWW
Holders of 5% or more of PBM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Psyence Biomedical Ltd., largest stake first. The change is against the holder's previous filing.
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 Psyence Biomedical Ltd., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 10, 20263:09 PM ET | Weiner Jeffrey David | 13G/A | 2.61%59.8K shares | −2.46 ppfrom 5.07%Below 5% | Feb 25, 2026 | SEC |
| Jun 3, 20269:28 AM ET | Psyence Labs Ltd | 13D | 30.05%1.15M shares | New | Feb 25, 2026 | SEC |
| Feb 19, 202611:19 AM ET | Weiner Jeffrey David | 13G | 5.07%51.9K shares | New | Feb 13, 2026 | SEC |
| Jan 13, 20266:17 PM ET | Kaos Capital Ltdand 1 other | 13D/A | 4.91%313.9K shares | −11.86 ppfrom 16.77%Below 5% | Jan 8, 2026 | SEC |
| Dec 10, 20256:09 PM ET | Kaos Capital Ltdand 1 other | 13D | 16.77%313.9K shares | New | Nov 25, 2025 | SEC |
| May 15, 202512:02 PM ET | Harraden Circle Investments, LLCand 5 others | 13G/A | 0.00%0 shares | −5.32 ppfrom 5.32%Below 5% | Mar 31, 2025 | SEC |
| May 14, 20253:52 PM ET | Hudson Bay Capital Management LPand 1 other | 13G/A | 4.99%237.8K shares | −4.99 ppfrom 9.98%Below 5% | Mar 31, 2025 | SEC |
| May 12, 20254:08 PM ET | Psyence Group Inc. | 13D/A | 0.00%0 shares | –Below 5% | May 2, 2025 | SEC |
| Mar 25, 20255:27 PM ET | Psyence Group Inc. | 13D/A | 14.99%678.7K shares | – | Mar 25, 2025 | SEC |
| Feb 14, 20257:00 AM ET | Harraden Circle Investments, LLCand 5 others | 13G/A | 5.32%182.3K shares | – | Dec 31, 2024 | SEC |
| Feb 10, 20258:00 PM ET | Hudson Bay Capital Management LPand 1 other | 13G/A | 9.98%380.0K shares | 0.00 ppfrom 9.98% | Dec 31, 2024 | SEC |
| Feb 10, 20255:22 PM ET | Hudson Bay Capital Management LP | 13G | 9.98%380.0K shares | New | Dec 31, 2024 | SEC |
| Jan 6, 20255:05 PM ET | AdvisorShares Trust | 13G/A | 0.79%26.9K shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Psyence Biomedical Ltd. shares.
No Form 144 notices for Psyence Biomedical Ltd. are on file.