$AORT

$22.98 +$0.00 (0.0%) After hours

$AORT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 48.8M shares outstanding

Who owns AORT?

By type of holder

Institutions 94.0% Insiders 5.1% Everyone else 0.9%

Concentration Top 10 holders own 52.1%

BlackRock, Inc. 13.7% · Nomura Asset Management International Inc. 6.5%

Institutional ownership

94.0%

+2.9 pts vs last qtr

Institutional holders

205

-34 vs last qtr

Net shares bought

+1.4M

by institutions in Q2 2026

New / sold out

36 / 70

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Ophir Asset Management Pty Ltd +849.2K
Juniper Investment Company, LLC +830.7K

Biggest sellers in Q2 2026

Next Century Growth Investors LLC SOLD OUT −1.0M
Loomis Sayles & Co L P SOLD OUT −980.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$20.9M

57 notices from 9 people

Shares covered

545.7K

1.12% of the company

Arranged in advance

23%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Mackin James P Officer $9.77M
Stanton Marshall S. Officer $3.63M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+43.7%

+4.11% a year

Each share's claim on the business

−30.4%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $111M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years60% 3–5 years8% 1–3 years9% Under 1 year23%

Quarterly turnover

18.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting AORT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.7M	13.69%	+199.2K (+3.1%)	≤2021	0.0%
Shares held by quarter Peak holding6.7M (Q2'26) Change over 8 quarters+159.3K Share of the company13.690% BlackRock, Inc.'s full portfolio →
NA Nomura Asset Management International Inc.	3.2M	6.53%	+728.8K (+29.7%)	Q4 '25	0.1%
Shares held by quarter Peak holding3.2M (Q2'26) Change over 8 quarters+3.2M Share of the company6.530% Nomura Asset Management International Inc.'s full portfolio →

BlackRock, Inc.

6.7M

% of company

13.69%

Change vs last qtr

+199.2K (+3.1%)

Held since

≤2021

Nomura Asset Management International Inc.

3.2M

% of company

6.53%

Change vs last qtr

+728.8K (+29.7%)

Held since

Q4 '25

28 more super investors behind a free account

See every manager holding Artivion, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting AORT on Form N-PORT; together they hold 43.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$57.8M	2.6M	5.28%	0.05%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$32.9M	1.5M	3.00%	0.00%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$57.8M

% of company

5.28%

% of the fund

0.05%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$32.9M

% of company

3.00%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Artivion, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MJ Mackin James P Insider	877.3K	1.80%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.800% Mackin James P's insider activity →
DJ Davis John E Insider	230.8K	0.47%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.470% Davis John E's insider activity →

Mackin James P

Insider

877.3K

% of company

1.80%

Change vs last qtr

—

Held since

—

Davis John E

Insider

230.8K

% of company

0.47%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Artivion, Inc..

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