PASITHEA THERAPEUTICS CORP (KTTA) Institutional Ownership Changes & 13F Activity

PASITHEA THERAPEUTICS CORP (KTTA). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Adage Capital Partners Gp, L.L.C., Janus Henderson Group Plc, Squadron Capital Management Llc, Vivo Capital, Llc, and Ameriprise Financial Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Adage Capital Partners Gp, L.L.C.Buy+2,100,000—2,100,000$2.71MQ4 2025Feb 17, 2026
Janus Henderson Group PlcBuy+2,100,000—2,100,000$2.72MQ4 2025Feb 17, 2026
Squadron Capital Management LlcBuy+2,100,000—2,100,000$2.71MQ4 2025Feb 17, 2026
Ameriprise Financial IncBuy+1,930,128—1,930,128$2.49MQ4 2025Feb 17, 2026
Cable Car Capital, LpBuy+500,000—500,000$645.00KQ4 2025Feb 17, 2026
Acuta Capital Partners, LlcBuy+450,000—450,000$580.50KQ4 2025Feb 17, 2026
Stempoint Capital LpBuy+355,082—355,082$458.06KQ4 2025Feb 17, 2026
Persistent Asset Partners LtdBuy+290,555—290,555$374.82KQ4 2025Feb 17, 2026
Citadel Advisors LlcBuy+56,183—56,183$72.48KQ4 2025Feb 17, 2026
Two Sigma Investments, LpBuy+48,773—48,773$62.92KQ4 2025Feb 17, 2026
Northern Trust CorpBuy+28,090—28,090$36.24KQ4 2025Feb 17, 2026
Xtx Topco LtdBuy+20,783—20,783$26.81KQ4 2025Feb 17, 2026
Hurley Capital, LlcBuy+3,689—3,689$4.76KQ4 2025Feb 17, 2026
Tower Research Capital Llc (Trc)Buy+2,947—2,947$3.80KQ4 2025Feb 17, 2026
Royal Bank Of CanadaBuy+250—250$0.00Q4 2025Feb 17, 2026
Bank Of America CorpBuy+63—63$81.00Q4 2025Feb 17, 2026
Vivo Capital, LlcBuy+2,100,000—2,100,000$2.71MQ4 2025Feb 13, 2026
Stonepine Capital Management, LlcBuy+275,062—275,062$354.83KQ4 2025Feb 13, 2026
Jane Street Group, LlcBuy+59,372—59,372$76.59KQ4 2025Feb 12, 2026
Jpmorgan Chase & CoBuy+150—150$194.00Q4 2025Feb 11, 2026
Advisorshares Investments LlcBuy+304,721—304,721$393.09KQ4 2025Feb 10, 2026
Geode Capital Management, LlcBuy+54,495—54,495$70.30KQ4 2025Feb 09, 2026
Sbi Securities Co., Ltd.Buy+1,051—1,051$1.36KQ4 2025Feb 03, 2026
Ubs Group AgBuy+13,263—13,263$17.11KQ4 2025Jan 29, 2026
Renaissance Technologies LLCSell-30,700-100.0%0$0.00Q4 2025Nov 13, 2025
Showing 25 of 25

Frequently asked questions about KTTA activity

  • Which institutional owners are buying KTTA?

    Institutional owners buying KTTA include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in KTTA activity?

    "Buy" means an investor increased their reported position in KTTA compared to the prior reporting period. This reflects growing exposure to PASITHEA THERAPEUTICS CORP (KTTA) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in KTTA increasing?

    Institutional interest in KTTA can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

KTTA Institutional Ownership Changes and 13F Activity Q4 2025 | InsiderSet