28 institutions reported holding $9.5M of PASITHEA THERAPEUTICS CORP (KTTA) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANUS HENDERSON GROUP PLC ($1.6M), ADAGE CAPITAL PARTNERS GP, L.L.C. ($1.6M), Squadron Capital Management LLC ($1.6M), Vivo Capital, LLC ($1.6M), AMERIPRISE FINANCIAL INC ($1.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANUS HENDERSON GROUP PLC | $1.6M | 2.1M | Hold |
| 2 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $1.6M | 2.1M | Hold |
| 3 | Squadron Capital Management LLC | $1.6M | 2.1M | Hold |
| 4 | Vivo Capital, LLC | $1.6M | 2.1M | Hold |
| 5 | AMERIPRISE FINANCIAL INC | $1.0M | 1.4M | Trimmed |
| 6 | Cable Car Capital, LP | $894,892 | 1.2M | Added |
| 7 | Stonepine Capital Management, LLC | $616,659 | 831,301 | Added |
| 8 | AdvisorShares Investments LLC | $250,363 | 337,508 | Added |
| 9 | Persistent Asset Partners Ltd | $215,534 | 290,555 | Hold |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $77,138 | 103,985 | Added |
| 11 | RENAISSANCE TECHNOLOGIES LLC | $69,283 | 93,399 | New |
| 12 | VANGUARD CAPITAL MANAGEMENT LLC | $39,931 | 53,815 | New |
| 13 | VANGUARD FIDUCIARY TRUST CO | $32,544 | 43,860 | New |
| 14 | XTX Topco Ltd | $25,036 | 33,751 | Added |
| 15 | UBS Group AG | $19,402 | 26,149 | Added |
| 16 | TWO SIGMA INVESTMENTS, LP | $15,618 | 21,054 | Trimmed |
| 17 | NORTHERN TRUST CORP | $14,370 | 19,372 | Trimmed |
| 18 | Hurley Capital, LLC | $2,737 | 3,689 | Hold |
| 19 | Tower Research Capital LLC (TRC) | $1,375 | 1,854 | Trimmed |
| 20 | SBI Securities Co., Ltd. | $780 | 1,051 | Hold |
| 21 | JPMORGAN CHASE & CO | $107 | 150 | Hold |
| 22 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 23 | ACUTA CAPITAL PARTNERS, LLC | $0 | 0 | Exited |
| 24 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 25 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31