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PCEliquiditysentimentbreakoutsdowngradesP/E 28.4threadsAAPLSPXvolatilityNDXflowscyclesliquidityestimatesEPS 4.12

Delisting risk

KTTA · NASDAQ · Biotechnology

Pasithea Therapeutics (KTTA)

Clinical-stage developer of an oral MEK inhibitor for NF1-related tumors and advanced cancers.

$0.5876

At close+0.02 (+4.37%)

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Breakdown13F · 13D/G · Form 4

Institutions21 holders · as of Mar 31, 2026	38.36%	12.82M shares
Insiders6 holders · as of Dec 1, 2025	1.32%	442.5K shares
Strategic holders2 holders · as of Jul 1, 2026	11.99%	4.01M shares
Otherremainder	48.33%	16.15M shares

33.41M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

Holder	Stake	Shares	Evidence
Coastlands Capital LPStrategic10 percent owner	11.48%	3.84M	13Gfiled Jul 1, 2026 ↗
Adage Capital Partners GP, L.L.C.Institution	6.28%	2.10M	13Fas of Mar 31, 2026
Janus Henderson Group PLCInstitution	6.28%	2.10M	13Fas of Mar 31, 2026
Squadron Capital Management LLCInstitution	6.28%	2.10M	13Fas of Mar 31, 2026
Vivo Capital, LLCInstitution	6.28%	2.10M	13Fas of Mar 31, 2026
Ameriprise Financial IncInstitution	4.04%	1.35M	13Fas of Mar 31, 2026
Cable Car Capital LLCInstitution	3.61%	1.21M	13Fas of Mar 31, 2026
Stonepine Capital Management, LLCInstitution	2.49%	831,301	13Fas of Mar 31, 2026
Advisorshares Investments LLCInstitution	1.01%	337,508	13Fas of Mar 31, 2026
Persistent Asset Partners LtdInstitution	0.87%	290,555	13Fas of Mar 31, 2026
Lawrence Steinman¹Insiderdirector	0.60%	199,691	Form 4filed Dec 1, 2025 ↗
PD Joint Holdings, LLC, Series 2016-AStrategic	0.51%	170,435	13Gfiled Jun 29, 2022 ↗
Geode Capital Management, LLCInstitution	0.31%	103,985	13Fas of Mar 31, 2026
Renaissance Technologies LLCInstitution	0.28%	93,399	13Fas of Mar 31, 2026
Uday KhireInsider	0.22%	73,633	13Gfiled Oct 20, 2022 ↗
Tiago MarquesInsiderdirector, officer: Chief Executive Officer	0.22%	73,334	Form 4filed Dec 1, 2025 ↗
Vanguard Capital Management LLCInstitution	0.16%	53,815	13Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution	0.13%	43,860	13Fas of Mar 31, 2026
Simon DumesnilInsiderdirector	0.11%	35,833	Form 4filed Dec 1, 2025 ↗
XTX Topco LtdInstitution	0.10%	33,751	13Fas of Mar 31, 2026
Emer LeahyInsiderdirector	0.10%	33,333	Form 4filed Dec 1, 2025 ↗
Daniel H. SchneidermanInsiderofficer: Chief Financial Officer	0.08%	26,667	Form 4filed Dec 1, 2025 ↗
UBS Group AGInstitution	0.08%	26,149	13Fas of Mar 31, 2026
Two Sigma Investments, LPInstitution	0.06%	21,054	13Fas of Mar 31, 2026
Northern Trust CorpInstitution	0.06%	19,372	13Fas of Mar 31, 2026

Reported at 3.10% on Mar 6, 2025, under the 5% line, so no further filing is required.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

21 holders · 12.82M shares · 3 new positions · 9 increased · 4 reduced · 7 closed

Holder	Shares	% outstanding	Chg q/q	Filed
Janus Henderson Group PLC	2.10M	6.28%	0	May 18, 2026
Vivo Capital, LLC	2.10M	6.28%	0	May 20, 2026
Adage Capital Partners GP, L.L.C.	2.10M	6.28%	0	May 15, 2026
Squadron Capital Management LLC	2.10M	6.28%	0	May 15, 2026
Ameriprise Financial Inc	1.35M	4.04%	−579.2K	Jul 17, 2026
Cable Car Capital LLC	1.21M	3.61%	+706.4K	May 15, 2026
Stonepine Capital Management, LLC	831.3K	2.49%	+556.2K	May 14, 2026
Advisorshares Investments LLC	337.5K	1.01%	+32.8K	Apr 28, 2026

Ownership statements13D/G · 5% or more, as filed

Holder	% of class	Shares	Form	Filed
Coastlands Capital LP	11.48%	3.84M	13G	Jul 1, 2026 ↗
Opaleye Management Inc.	9.99%	2.49M	13G	Apr 8, 2026 ↗
Adage Capital Management, L.P.	9.99%	2.33M	13G	Feb 12, 2026 ↗
Janus Henderson Group PLC	9.99%	10.23M	13G	Dec 8, 2025 ↗
Vivo Opportunity Fund Holdings, L.P.	9.99%	17.56M	13G	Dec 5, 2025 ↗
Steven Boydincl. Armistice Capital, LLC	9.99%			Nov 14, 2024 ↗
Squadron Master Fund LP	9.90%	2.33M	13G	Feb 17, 2026 ↗
Funicular Funds, LP	7.40%	1.84M	13G	Apr 22, 2026 ↗
Stonepine Capital Management, LLC	5.80%	1.95M	13G	Jun 23, 2026 ↗
Orca Capital AG	5.70%	371.1K	13G	May 9, 2025 ↗
Ameriprise Financial, Inc.	5.40%	1.35M	13G	May 15, 2026 ↗

Insider tradesForm 4

Latest trades

Date	Insider	Type	Shares	Avg price	Owned after
Jun 17, 2026	Coastlands Capital LP10 percent owner	Purchase	100,000	$0.5300	3,835,035
Nov 28, 2025	Simon Dumesnildirector	Purchase	33,333	$0.7500	35,833
Nov 28, 2025	Tiago Marquesdirector, officer: Chief Executive Officer	Purchase	33,333	$0.7500	73,334
Nov 28, 2025	Lawrence Steinmandirector	Purchase	133,333	$0.7500	199,691

CongressHouse and Senate disclosures

Not reported.