$ARCT

$11.23 +$1.32 (13.32%) Close

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

Ownership

13F as of Q2 2026 · 28.4M shares outstanding

Who owns ARCT?

By type of holder

Institutions 87.7% Insiders 0.8% Everyone else 11.5%

Concentration Top 10 holders own 60.8%

Federated Hermes, Inc. 11.6% · ARK Investment Management LLC 10.2%

Institutional ownership

87.7%

+2.2 pts vs last qtr

Institutional holders

133

+9 vs last qtr

Net shares bought

+629.3K

by institutions in Q2 2026

New / sold out

20 / 11

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Aqr Capital Management LLC +513.7K
Jacobs Levy Equity Management, Inc +448.8K

Biggest sellers in Q2 2026

Amova Asset Management Americas, Inc. −328.5K
Sumitomo Mitsui Trust Group, Inc. −325.8K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Arcturus Therapeutics Holdings Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2021–FY2025

+4.1%

+1.00% a year

Each share's claim on the business

−3.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $158M

over 5 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+ years76% 3–5 years8% 1–3 years5% Under 1 year10%

Quarterly turnover

9.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ARCT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
FH Federated Hermes, Inc.	3.3M	11.62%	Unchanged	≤2021	0.0%
Shares held by quarter Peak holding4.7M (Q3'24) Change over 8 quarters−1.4M Share of the company11.620% Federated Hermes, Inc.'s full portfolio →
AI ARK Investment Management LLC	2.9M	10.21%	+132.1K (+4.8%)	≤2021	0.1%
Shares held by quarter Peak holding2.9M (Q2'26) Change over 8 quarters+800.6K Share of the company10.210% ARK Investment Management LLC's full portfolio →

Federated Hermes, Inc.

3.3M

% of company

11.62%

Change vs last qtr

Unchanged

Held since

≤2021

ARK Investment Management LLC

2.9M

% of company

10.21%

Change vs last qtr

+132.1K (+4.8%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting ARCT on Form N-PORT; together they hold 40.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
AG ARK Genomic Revolution ETF ARK ETF Trust	$15.8M	2.7M	9.64%	1.01%	July 31, 2026
FH Federated Hermes Kaufmann Fund Federated Hermes Equity Funds	$11.3M	2.0M	6.90%	0.23%	July 31, 2026

ARK Genomic Revolution ETF

ARK ETF Trust

Position value

$15.8M

% of company

9.64%

% of the fund

1.01%

As of

July 31, 2026

Federated Hermes Kaufmann Fund

Federated Hermes Equity Funds

Position value

$11.3M

% of company

6.90%

% of the fund

0.23%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding Arcturus Therapeutics Holdings 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
SA Sassine Andy Insider	221.8K	0.78%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.780% Sassine Andy's insider activity →
RJ Roberts Joseph Insider	2.2K	0.01%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.010% Roberts Joseph's insider activity →

Sassine Andy

Insider

221.8K

% of company

0.78%

Change vs last qtr

—

Held since

—

Roberts Joseph

Insider

2.2K

% of company

0.01%

Change vs last qtr

—

Held since

—

Comments