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PPBT · NASDAQ · Biotechnology

Purple Biotech (ADR) (PPBT)

Develops CAPTN-3 tri-specific cancer antibodies and other oncology drug candidates.

$1.81

Pre-market−0.17 (−8.35%)

At close$1.98(+18.98%)

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Breakdown13F · 13D/G · Form 4

	Institutions14 holders · as of Mar 31, 2026	54.79%	75.7K ADS
	Otherremainder	45.21%	62.4K ADS

138.1K ADS as of Aug 21, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

The share count has not been confirmed by a second filing; stakes use it as it stands.

Some positions are filed in underlying shares, not receipts; the ratio is unknown, so no percentage.

A stock split fell inside the quarter, so quarter-on-quarter changes are not shown.

Top shareholders13F · 13D/G · Form 4

Holder	Stake	Shares	Evidence
Susquehanna International Group, LLPInstitution	38.67%	53,403 ADS	13Fas of Mar 31, 2026
Smartharvest Portfolios, LLCInstitution	13.13%	18,127 ADS	13Fas of Mar 31, 2026
BNP Paribas Arbitrage, SNCInstitution	1.42%	1,957 ADS	13Fas of Mar 31, 2026
Rhumbline AdvisersInstitution	0.51%	710 ADS	13Fas of Mar 31, 2026
Simplex Trading, LLCInstitution	0.43%	597 ADS	13Fas of Mar 31, 2026
Morgan StanleyInstitution	0.42%	578 ADS	13Fas of Mar 31, 2026
Gamma Investing LLCInstitution	0.08%	108 ADS	13Fas of Mar 31, 2026
UBS Group AGInstitution	0.07%	99 ADS	13Fas of Mar 31, 2026
Sbi Securities Co., Ltd.Institution	0.02%	31 ADS	13Fas of Mar 31, 2026
Group One Trading, L.P.Institution	0.01%	20 ADS	13Fas of Mar 31, 2026
Advisory Services Network, LLCInstitution	0.01%	9 ADS	13Fas of Mar 31, 2026
Northwestern Mutual Wealth Management CoInstitution	0.01%	8 ADS	13Fas of Mar 31, 2026
Jones Financial Companies LLLPInstitution	0.00%	5 ADS	13Fas of Mar 31, 2026
Danske Bank A/SInstitution	0.00%	4 ADS	13Fas of Mar 31, 2026
Ido Agmon¹Insiderdirector	—	—	Form 4filed Apr 6, 2026 ↗
CVI Investments, Inc.Strategic	—9.90% of class, as filed	—	13Gfiled Mar 20, 2020 ↗
Gil Efron¹Insiderofficer: Chief Executive Officer	—	—	Form 4filed Mar 31, 2026 ↗
Empery Asset Management, LPInstitution	—4.99% of class, as filed	—	13G/Afiled Jan 15, 2020 ↗
Robert E. Gagnon²Insiderdirector	0.00%	0	Form 4filed Mar 18, 2026 ↗
Heights Capital Management, Inc.Strategic	—0.80% of class, as filed	—	13G/Afiled Feb 16, 2021 ↗
Shai S. Lankry¹Insiderdirector	—	—	Form 4filed Mar 27, 2026 ↗
Lincoln Alternative Strategies LLCStrategic	—9.90% of class, as filed	—	13Gfiled Sep 9, 2025 ↗
Mitchell P. KopinInsider	—9.99% of class, as filed	—	13Gfiled May 13, 2026 ↗
Pontifax Management II L.P.Institution	—0.50% of class, as filed	—	13G/Afiled Feb 5, 2021 ↗
Simcha Rock¹Insiderdirector	—	—	Form 4filed Apr 17, 2026 ↗

This position is filed in underlying shares, not receipts; the ratio is unknown, so no percentage.
Robert E. Gagnon reports a block also reported by another filer; it is counted once, under that filer.

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

14 holders · 75.7K shares

Holder	Shares	% outstanding	Filed
Susquehanna International Group, LLP	53.4K	38.67%	May 15, 2026
Smartharvest Portfolios, LLC	18.1K	13.13%	Apr 21, 2026
BNP Paribas Arbitrage, SNC	2.0K	1.42%	May 12, 2026
Rhumbline Advisers	710	0.51%	May 12, 2026
Simplex Trading, LLC	597	0.43%	May 14, 2026
Morgan Stanley	578	0.42%	May 15, 2026
Gamma Investing LLC	108	0.08%	Apr 6, 2026
UBS Group AG	99	0.07%	May 5, 2026

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

Holder	% of class	Form	Filed
Mitchell P. Kopin	9.99%	13G	May 13, 2026 ↗
Lincoln Alternative Strategies LLC	9.90%	13G	Sep 9, 2025 ↗
Susquehanna Securities, LLC	5.20%	13G	Feb 13, 2026 ↗

Purple Biotech (ADR) (PPBT)

Breakdown13F · 13D/G · Form 4

Top shareholders13F · 13D/G · Form 4

Institutions13F, as of Mar 31, 2026

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

Insider tradesForm 4

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