OBERWEIS ASSET MANAGEMENT INC/

Position in HALO — Halozyme Therapeutics, Inc.

CIK 937886 LISLE, IL

Position in HALO

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$14,214,075

+$6,300,941 QoQ

Shares Held

219,930

+87.0% QoQ

Ownership

0.185%

of shares outstanding

% of Portfolio

0.42%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

15 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $73,946,027 across 4 Biotechnology names. HALO ranks #3 (19.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARQT	Arcutis Biotherapeutics, Inc.	1,365,941	$32,181,569
2	CPRX	Catalyst Pharmaceuticals, Inc.	780,570	$19,326,913
3	HALO	Halozyme Therapeutics, Inc. This page	219,930	$14,214,075
4	CRMD	CorMedix Inc.	1,211,115	$8,223,470

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$14,214,075	219,930	+87.0%	Shares	Sole	2026-05-15
2025-12-31	$7,913,134	117,580	0.0%	Shares	Sole	2026-02-17
2025-09-30	$8,623,317	117,580	-35.5%	Shares	Sole	2025-11-17
2025-06-30	$9,478,044	182,200	+89.2%	Shares	Sole	2025-08-14
2023-12-31	$3,559,248	96,300	+90.7%	Shares	Sole	2024-02-14
2023-09-30	$1,929,100	50,500	-69.2%	Shares	Sole	2023-11-14
2023-03-31	$6,264,687	164,040	+14.4%	Shares	Sole	2023-05-15
2022-12-31	$8,158,891	143,390	+23.0%	Shares	Sole	2023-02-14
2022-09-30	$4,607,991	116,540	+13.1%	Shares	Sole	2022-11-14
2022-06-30	$4,534,200	103,050	-4.1%	Shares	Sole	2022-08-15
2022-03-31	$4,285,106	107,450	+1.7%	Shares	Sole	2022-05-16
2021-12-31	$4,248,186	105,650	+51.0%	Shares	Sole	2022-02-14
2021-09-30	$2,846,786	69,980	+1.1%	Shares	Sole	2021-11-15
2021-06-30	$3,142,372	69,200	+0.4%	Shares	Sole	2021-08-16
2021-03-31	$2,872,441	68,900	—	Shares	Sole	2021-05-17
No filing history on record for this holder in this stock.