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KTTA PASITHEA THERAPEUTICS CORP

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COM NEW (common), issuer CIK 1841330

20 managers (21 13F filers) reported a position in KTTA shares at 2026-03-31, 12,818,768 shares in all. 1 filer opened a position and 6 filers sold out during the quarter.

Managers
20
13F filers
21
New
1
Added
6
Reduced
4
Sold out
6
Shares held by filers
12,818,768

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
JANUS HENDERSON GROUP PLCin group Janus Henderson2,100,000$1.56M<0.01%013F-HR/ATimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…2,100,000$1.56M<0.01%013F-HRTimelineGroup
Vivo Capital, LLC2,100,000$1.56M0.13%013F-HR/ATimeline
Squadron Capital Management LLC2,100,000$1.56M0.62%013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC1,350,896$1M<0.01%-579,23213F-HR/ATimelineGroup
Cable Car Capital, LP1,206,379$895K0.31%+706,37913F-HRTimeline
Stonepine Capital Management, LLC831,301$617K0.54%+556,23913F-HRTimeline
AdvisorShares Investments LLC337,508$250K0.05%+32,78713F-HRTimeline
Persistent Asset Partners Ltd290,555$216K0.08%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC103,985$77.1K<0.01%+49,49013F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding97,675$72.5KnewTimeline
RENAISSANCE TECHNOLOGIES LLC93,399$69.3K<0.01%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd33,751$25K<0.01%+12,96813F-HRTimelineGroup
UBS Group AGin group UBS Group AG26,149$19.4K<0.01%+12,88613F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP21,054$15.6K<0.01%-27,71913F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP19,372$14.4K<0.01%-8,71813F-HRTimelineGroup
Hurley Capital, LLC3,689$2.74K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,854$1.38K<0.01%-1,09313F-HRTimelineGroup
SBI Securities Co., Ltd.1,051$780<0.01%013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO150$107<0.01%013F-HR/ATimelineGroup