PERKINS CAPITAL MANAGEMENT INC

Position in PBYI — Puma Biotechnology, Inc.

CIK 884300 WAYZATA, MN

Position in PBYI

as of Jun 30, 2026 · filed Jul 24, 2026 Compact

Position Value

$108,674

+$28,799 QoQ

Shares Held

13,400

+7.2% QoQ

Ownership

0.026%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#16

of 42 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 82% Shared 0% None 18%

Healthcare · as of Jun 30, 2026

PERKINS CAPITAL MANAGEMENT INC holds $2,091,815 across 5 Biotechnology names. PBYI ranks #4 (5.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CDXS	Codexis, Inc.	526,100	$1,188,986
2	CELC	Celcuity Inc.	4,500	$470,790
3	MRNA	Moderna, Inc.	4,000	$280,120
4	PBYI	Puma Biotechnology, Inc. This page	13,400	$108,674
5	DYAI	Dyadic International Inc	48,050	$43,245

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$108,674	13,400	+7.2%	Shares	Sole	2026-07-24
2026-03-31	$79,875	12,500	0.0%	Shares	Sole	2026-04-23
2025-12-31	$74,375	12,500	+2.5%	Shares	Sole	2026-02-04
2025-09-30	$64,782	12,200	—	Shares	Sole	2025-10-31
No filing history on record for this holder in this stock.