Pasithea Therapeutics Corp.
KTTA- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001841330
No open-market purchases or sales by Pasithea Therapeutics Corp. insiders were filed in the last 90 days; 25 institutions reported holding it in 13F filings for Q2 2026, worth $8.66M in total; no superinvestor holds it.
Other share classesKTTAW
Holders of 5% or more of KTTA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Pasithea Therapeutics Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vivo Opportunity Fund Holdings, L.P. | 13G | 9.99%17.6M shares | New | Dec 5, 20251 filing | Dec 5, 2025 | SEC |
| Janus Henderson Group PLC | 13G | 9.99%10.2M shares | New | Dec 8, 20251 filing | Dec 8, 2025 | SEC |
| Squadron Capital Management LLC | 13G | 9.90%2.25M shares | New | Dec 5, 20251 filing | Dec 5, 2025 | SEC |
| CVI Investments, Inc. | 13G/A | 9.90%826.1K shares | 0.00 ppfrom 9.90% | May 12, 20252 filings | Aug 14, 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
11 Schedule 13D and 13G filings on Pasithea Therapeutics Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Dec 8, 202511:46 AM ET | Janus Henderson Group PLC | 13G | 9.99%10.2M shares | New | Nov 28, 2025 | SEC |
| Dec 5, 20254:10 PM ET | Squadron Capital Management LLCand 3 others | 13G | 9.90%2.25M shares | New | Nov 28, 2025 | SEC |
| Dec 5, 20254:00 PM ET | Vivo Opportunity Fund Holdings, L.P.and 3 others | 13G | 9.99%17.6M shares | New | Dec 1, 2025 | SEC |
| Aug 14, 20252:01 PM ET | CVI Investments, Inc.and 1 other | 13G/A | 9.90%826.1K shares | 0.00 ppfrom 9.90% | Jun 30, 2025 | SEC |
| May 15, 20253:36 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 4.99%142.1K shares | −5.00 ppfrom 9.99%Below 5% | Mar 31, 2025 | SEC |
| May 12, 20254:08 PM ET | Intracoastal Capital, LLCand 2 others | 13G | 4.99%317.9K shares | NewBelow 5% | May 6, 2025 | SEC |
| May 12, 202510:07 AM ET | CVI Investments, Inc.and 1 other | 13G | 9.90%627.3K shares | New | May 6, 2025 | SEC |
| May 9, 20254:36 PM ET | Orca Capital AG | 13G/A | 4.90%362.9K shares | −0.80 ppfrom 5.70%Below 5% | May 7, 2025 | SEC |
| May 9, 20254:31 PM ET | Orca Capital AG | 13G | 5.70%371.1K shares | New | May 6, 2025 | SEC |
| Mar 6, 20259:55 PM ET | Steinman Lawrence | 13D/A | 3.10%83.9K shares | –Below 5% | Mar 1, 2025 | SEC |
| Feb 14, 20255:50 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.99%133.8K shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Pasithea Therapeutics Corp. shares.
No Form 144 notices for Pasithea Therapeutics Corp. are on file.