Pasithea TherapeuticsKTTA
13F holders, Q1 2026 (March 31)21holders −4
1new positions
6sold out
1famous investor
$0.74avg. 13F price*
At the end of Q1 2026, 21 institutions reported holding Pasithea Therapeutics Corp. (KTTA) in their 13F filings, down 4 from Q4 2025. 1 opened new positions and 6 sold out. The largest holders were Janus Henderson Group PLC ($1.6M), Squadron Capital Management LLC ($1.6M) and Vivo Capital, LLC ($1.6M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Pasithea Therapeutics Corp.
- CUSIP
- 70261F202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $69K |
| Exits | 6 | $1.2M |
All 13F filers, Q4 2025 → Q1 2026: 1,464,148 shares bought and 1,537,712 shares sold, net −73,564 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 21 holders
| Janus Henderson Group PLC | 0.00% | No change | 2,100,000 | $1.6M |
| Squadron Capital Management LLC | 0.62% | No change | 2,100,000 | $1.6M |
| Vivo Capital, LLC | 0.13% | No change | 2,100,000 | $1.6M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | No change | 2,100,000 | $1.6M |
| Ameriprise Financial Inc. | 0.00% | Reduce -30.0% | 1,350,896 | $1.0M |
| Cable Car Capital, LP | 0.38% | Add +141.3% | 1,206,379 | $895K |
| Stonepine Capital Management, LLC | 0.54% | Add +202.2% | 831,301 | $617K |
| AdvisorShares Investments LLC | 0.05% | Add +10.8% | 337,508 | $250K |
| Persistent Asset Partners Ltd | 0.08% | No change | 290,555 | $216K |
| Geode Capital Management, LLC | 0.00% | Add +90.8% | 103,985 | $77K |
| Renaissance Technologies | 0.00% | New | 93,399 | $69K |
| Vanguard Capital Management LLC | 0.00% | — | 53,815 | $40K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 43,860 | $33K |
| XTX Topco Ltd | 0.00% | Add +62.4% | 33,751 | $25K |
| UBS Group AG | 0.00% | Add +97.2% | 26,149 | $19K |
| Two Sigma Investments, LP | 0.00% | Reduce -56.8% | 21,054 | $16K |
| Northern Trust Corp. | 0.00% | Reduce -31.0% | 19,372 | $14K |
| Hurley Capital, LLC | 0.00% | No change | 3,689 | $3K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -37.1% | 1,854 | $1K |
| SBI Securities Co., Ltd. | 0.00% | No change | 1,051 | $780 |
| JPMorgan Chase & Co. | 0.00% | No change | 150 | $107 |
"% of holder's portfolio" is KTTA's weight in each manager's 13F, not the share of Pasithea Therapeutics Corp. the manager owns.