Arcturus Therapeutics Holdings ARCT Institutional Ownership

NASDAQ ARCT

$11.06 +0.08 (+0.73%)

As of: Oct 21, 2026 · 3:59 PM EDT

Institutions by Trading Activity

134 Institutions

Increased 75 56.0%

Unchanged 18 13.4%

Reduced 41 30.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

87.78%

▲+2.33 pp QoQ

Shares Held by Institutions

24.95Mn

of 28.42Mn outstanding

▲+2.72% QoQ

Shares Outstanding

28.42Mn

3.47Mn held outside 13F filers

Institutional Investors

134

filed 13F for Jun 2026

▲+9 vs prior quarter

Net Shares Added (QoQ)

+661.37K

accumulated since last quarter

Value of Holdings

$273.96Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Arcturus Therapeutics Holdings Inc. (NASDAQ:ARCT) appeared in the 13F filings of 134 institutional investors for the quarter ended June 30, 2026.

Collectively, these holders controlled 87.78% of Arcturus Therapeutics Holdings' outstanding shares in Q2 2026, up from 85.46% in Q1 2026.
Total holdings of ARCT shares rose 2.72% from Q1 2026, and the holder count fell 4.96% from Q2 2025.
Of these 134 holders, 75 added to their positions, 41 reduced their stakes and 18 left their positions unchanged.
The aggregate institutional position in Arcturus Therapeutics Holdings was 24.95Mn shares at the end of Q2 2026, up 661.37K from the prior quarter and down 182.56K from a year earlier.
Federated Hermes, Inc. led 13F holders of ARCT with 3.3Mn shares as of June 30, 2026, or 11.62% of shares outstanding.
The biggest increases in ARCT positions during Q2 2026 came from AQR Capital Management LLC (+513.74K shares), Jacobs Levy Equity Management, Inc (+448.78K shares), Point72 Asset Management, L.P. (+167.74K shares), D. E. Shaw & Co., Inc. (+140.32K shares) and ARK Investment Management LLC (+132.12K shares).
On the other side, among holders that kept a position in Arcturus Therapeutics Holdings, the largest reductions in Q2 2026 came from Amova Asset Management Americas, Inc. (-328.48K shares), Sumitomo Mitsui Trust Group, Inc. (-325.81K shares), Renaissance Technologies LLC (-156.9K shares), Susquehanna International Group, LLP (-156.46K shares) and Acadian Asset Management LLC (-149.05K shares).
Per Business Quant data, the 10 largest holders of Arcturus Therapeutics Holdings at the end of Q2 2026 were Federated Hermes, Inc. (3.3Mn shares), ARK Investment Management LLC (2.9Mn shares), BlackRock, Inc. (2.61Mn shares), Sumitomo Mitsui Trust Group, Inc. (1.96Mn shares), Amova Asset Management Americas, Inc. (1.96Mn shares), Vanguard Capital Management LLC (1.11Mn shares), Two Sigma Investments, LP (1.09Mn shares), Vanguard Portfolio Management LLC (951.58K shares), Geode Capital Management, LLC (693.66K shares) and AQR Capital Management LLC (675.01K shares).

Form 13F Holdings

134 Institutional Holders

Report period 30 Jun, 2026

Total shares held 24.95Mn

Of outstanding 87.78%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Federated Hermes, Inc.	0001056288	3,303,640	11.62%	0	0.00%	$22.20Mn
2	ARK Investment Management LLC	0001697748	2,901,635	10.21%	▲132,117	+4.77%	$19.50Mn
3	BlackRock, Inc.	0002012383	2,614,012	9.20%	▲731	+0.03%	$17.57Mn
4	Sumitomo Mitsui Trust Group, Inc.	0001475365	1,963,123	6.91%	▼325,812	-14.23%	$13.19Mn
5	Amova Asset Management Americas, Inc.	0001480751	1,960,458	6.90%	▼328,477	-14.35%	$13.14Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,114,956	3.92%	▲7,936	+0.72%	$7.49Mn
7	TWO SIGMA INVESTMENTS, LP	0001179392	1,091,137	3.84%	▲9,353	+0.86%	$7.33Mn
8	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	951,575	3.35%	▼26,347	-2.69%	$6.39Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	693,660	2.44%	▲32,732	+4.95%	$4.66Mn
10	AQR CAPITAL MANAGEMENT LLC	0001167557	675,013	2.37%	▲513,735	+318.54%	$4.54Mn
11	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	647,511	2.28%	▲448,783	+225.83%	$4.35Mn
12	State Street Corp	0000093751	569,598	2.00%	▲25,735	+4.73%	$3.83Mn
13	UBS Group AG	0001610520	490,632	1.73%	▲32,355	+7.06%	$3.30Mn
14	D. E. Shaw & Co., Inc.	0001009207	392,358	1.38%	▲140,324	+55.68%	$2.64Mn
15	Empire Life Investments Inc.	0001640951	366,217	1.29%	▼17,276	-4.50%	$2.46Mn
16	Hennion & Walsh Asset Management, Inc.	0001861642	346,207	1.22%	▲66,528	+23.79%	$2.33Mn
17	MILLENNIUM MANAGEMENT LLC	0001273087	336,996	1.19%	▼141,561	-29.58%	$2.26Mn
18	Goldman Sachs Group Inc	0000886982	309,863	1.09%	▲111,182	+55.96%	$2.08Mn
19	BNP PARIBAS FINANCIAL MARKETS	0001166588	261,789	0.92%	▲66,929	+34.35%	$1.76Mn
20	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	231,628	0.81%	▲15,128	+6.99%	$1.56Mn

Showing 1 to 20 of 134 holders