Coston, McIsaac & Partners

Position in GTBP — GT Biopharma, Inc.

CIK 1945037 BAR HARBOR, ME

Position in GTBP

as of Mar 31, 2026 · filed Apr 22, 2026 Compact

Position Value

-$7 QoQ

Shares Held

17,092

0.0% QoQ

Ownership

0.047%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Healthcare · as of Mar 31, 2026

Coston, McIsaac & Partners holds $996 across 6 Biotechnology names. GTBP ranks #5 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AVXL	Anavex Life Sciences Corp.	200	$614
2	NWBO	Northwest Biotherapeutics Inc	1,000	$210
3	RXRX	Recursion Pharmaceuticals, Inc.	48	$147
4	MRNA	Moderna, Inc.	359	$18
5	GTBP	GT Biopharma, Inc. This page	17,092	$6
6	BNTX	BioNTech SE	20	$1

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6	17,092	0.0%	Shares	Sole	2026-04-22
2025-12-31	$13	17,092	—	Shares	Sole	2026-02-03
No filing history on record for this holder in this stock.