Pasithea TherapeuticsKTTA

13F holders, Q4 2025 (December 31)
25holders +6
10new positions
5sold out
1famous investor
$1.29avg. 13F price*

At the end of Q4 2025, 25 institutions reported holding Pasithea Therapeutics Corp. (KTTA) in their 13F filings, up 6 from Q3 2025. 10 opened new positions and 5 sold out. The largest holders were Janus Henderson Group PLC ($2.7M), Squadron Capital Management LLC ($2.7M) and Vivo Capital, LLC ($2.7M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Pasithea Therapeutics Corp.
CUSIP
70261F202
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q1 2024: 6Q1 2024Q2 2024: 7Q2 2024Q3 2024: 6Q3 2024Q4 2024: 7Q4 2024Q1 2025: 8Q1 2025Q2 2025: 11Q2 2025Q3 2025: 19Q3 2025Q4 2025: 25Q4 2025Q1 2026: 21Q1 2026Q2 2026: 25Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions10$13.1M
Exits5$63K

All 13F filers, Q3 2025 → Q4 2025: 10,297,889 shares bought and 117,811 shares sold, net +10,180,078 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 25 holders

Janus Henderson Group PLC 0.00% New 2,100,000 $2.7M
Squadron Capital Management LLC 1.21% — 2,100,000 $2.7M
Vivo Capital, LLC 0.18% New 2,100,000 $2.7M
Adage Capital Partners Gp, L.L.C. 0.00% New 2,100,000 $2.7M
Ameriprise Financial Inc. 0.00% New 1,930,128 $2.5M
Cable Car Capital, LP 0.04% New 500,000 $645K
Acuta Capital Partners, LLC 0.39% New 450,000 $581K
Stempoint Capital LP 0.08% New 355,082 $458K
AdvisorShares Investments LLC 0.07% Add +18.3% 304,721 $393K
Persistent Asset Partners Ltd 0.18% New 290,555 $375K
Stonepine Capital Management, LLC 0.28% New 275,062 $355K
Vanguard Group Inc. 0.00% Add +81.5% 97,675 $126K
Jane Street Group, LLC 0.00% Add +137.0% 59,372 $77K
Citadel Advisors 0.00% Reduce -16.6% 56,183 $72K
Geode Capital Management, LLC 0.00% Add +113.9% 54,495 $70K
Two Sigma Investments, LP 0.00% Add +36.4% 48,773 $63K
Northern Trust Corp. 0.00% New 28,090 $36K
XTX Topco Ltd 0.00% Reduce -39.5% 20,783 $27K
UBS Group AG 0.00% Reduce -27.8% 13,263 $17K
Hurley Capital, LLC 0.00% No change 3,689 $5K
Tower Research Capital LLC (TRC) 0.00% Add +142.2% 2,947 $4K
SBI Securities Co., Ltd. 0.00% No change 1,051 $1K
JPMorgan Chase & Co. 0.00% No change 150 $194
Bank of America Corp. 0.00% Add +8.6% 63 $81
Royal Bank of Canada 0.00% No change 250 $0

"% of holder's portfolio" is KTTA's weight in each manager's 13F, not the share of Pasithea Therapeutics Corp. the manager owns.