OBERWEIS ASSET MANAGEMENT INC/

Position in AORT — Artivion, Inc.

CIK 937886 LISLE, IL

Position in AORT

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

Position Value

$8,097,487

-$1,802,619 QoQ

Shares Held

221,122

+1.9% QoQ

Ownership

0.456%

of shares outstanding

% of Portfolio

0.24%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

12 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 $123,901,598 across 8 Medical Devices names. AORT ranks #6 (6.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GMED	Globus Medical Inc	392,200	$33,791,952
2	ATEC	Alphatec Holdings, Inc.	1,908,293	$20,762,227
3	LIVN	LivaNova PLC	321,900	$20,459,964
4	IRTC	iRhythm Holdings, Inc.	156,004	$18,411,592
5	AXGN	Axogen, Inc.	342,394	$11,343,513
6	AORT	Artivion, Inc. This page	221,122	$8,097,487
7	BVS	Bioventus Inc.	628,114	$5,734,680
8	TCMD	Tactile Systems Technology Inc	202,839	$5,300,183

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,097,487	221,122	+1.9%	Shares	Sole	2026-05-15
2025-12-31	$9,900,106	217,060	+2.5%	Shares	Sole	2026-02-17
2025-09-30	$8,967,612	211,800	0.0%	Shares	Sole	2025-11-17
2025-06-30	$6,586,980	211,800	+11.2%	Shares	Sole	2025-08-14
2025-03-31	$4,680,032	190,400	-39.1%	Shares	Sole	2025-05-15
2024-12-31	$8,945,811	312,900	+10.8%	Shares	Sole	2025-02-14
2024-09-30	$7,517,488	282,400	0.0%	Shares	Sole	2024-11-14
2024-06-30	$7,243,560	282,400	0.0%	Shares	Sole	2024-08-14
2024-03-31	$5,975,584	282,400	+9.5%	Shares	Sole	2024-05-15
2023-12-31	$4,613,040	258,000	+3.9%	Shares	Sole	2024-02-14
2023-09-30	$3,762,712	248,200	+17.5%	Shares	Sole	2023-11-14
2023-06-30	$3,632,247	211,300	—	Shares	Sole	2023-08-14
No filing history on record for this holder in this stock.