JBF Capital, Inc.

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1483864 Aspen, CO

Position in PRTA

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$100,690

+$720 QoQ

Shares Held

10,285

0.0% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#117

of 188 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Healthcare · as of Jun 30, 2026

JBF Capital, Inc. holds $4,237,552 across 5 Biotechnology names. PRTA ranks #4 (2.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	5,000	$3,117,700
2	COYA	Coya Therapeutics, Inc.	100,006	$585,035
3	ABUS	Arbutus Biopharma Corp	80,281	$385,348
4	PRTA	Prothena Corp Public Ltd Co This page	10,285	$100,690
5	LSTA	Lisata Therapeutics, Inc.	14,347	$48,779

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$100,690	10,285	0.0%	Shares	Other	2026-08-13
2026-03-31	$99,970	10,285	—	Shares	Other	2026-05-08
No filing history on record for this holder in this stock.