Ticker · CUSIP 03969T109

ARCT

ARCTURUS THERAPEUTICS HLDGS

Healthcare·Biotechnology

···Share

Holders (tracked)

Combined shares

4,178,870

Combined value

$25.62M

Last close

$8.85

Quarter

2025Q4

Price is +44.4% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$8.85-1.68 (-15.95%)H $23.16 · L $5.90 · Avg Vol 713K

Position opened

Tracked holders · last 8 quarters

Flat over the last 8 quarters.

SEC event timeline

18 events

Wellington Management exited2026-02-17
−85,483 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+37,610 shares · 2025Q4
Position
AQR Capital Management opened position2026-02-17
+43,403 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) exited2026-02-17
−42,120 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+457,467 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+264,977 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+222,163 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−1,838 shares · 2025Q4
Position
Renaissance Technologies opened position2026-02-12
+119,905 shares · 2025Q4
Position
Cathie Wood (ARK Invest) added2026-02-11
+738,378 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) opened position2025-11-14
+39,800 shares · 2025Q3
Position
Steve Cohen (Point72) exited2025-11-14
−6,154 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+2,857 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+49,776 shares · 2025Q3
Position
AQR Capital Management exited2025-11-14
−11,218 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+4,679 shares · 2025Q3
Position
Wellington Management trimmed2025-11-14
−26,424 shares · 2025Q3
Position
Cathie Wood (ARK Invest) added2025-11-12
+157,681 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for ARCT →

Follow-the-investor returns

If you'd copied each holder of ARCT…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Steve Cohen (Point72)	2020Q2	$6.88	+28.6%	$2.0M
Ken Griffin (Citadel Advisors)	2019Q4	$7.39	+19.7%	$763K
Ken Griffin (Citadel Advisors)	2019Q4	$7.39	+19.7%	$763K
Izzy Englander (Millennium Mgmt)	2020Q1	$7.71	+14.7%	$2.7M
Two Sigma Investments	2019Q3	$7.85	+12.7%	$4.8M
Renaissance Technologies	2019Q3	$8.11	+9.1%	$1.1M
AQR Capital Management	2020Q3	$11.61	-23.8%	$384K
D.E. Shaw & Co.	2020Q2	$15.60	-43.3%	$866K
Cathie Wood (ARK Invest)	2019Q2	$21.62	-59.1%	$23.1M
T. Rowe Price	2020Q2	$29.41	-69.9%	$231K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions3

Steve Cohen (Point72)
+222,163
$1.4M
Renaissance Technologies
+119,905
$735K
AQR Capital Management
+43,403
$266K

Added to4

Cathie Wood (ARK Invest)
+738,378
$4.5M
Two Sigma Investments
+457,467
$2.8M
Izzy Englander (Millennium Mgmt)
+264,977
$1.6M
D.E. Shaw & Co.
+37,610
$231K

Trimmed1

T. Rowe Price
−1,838
$11

Exited2

Wellington Management
−85,483
$1.6M
Ken Griffin (Citadel Advisors)
−42,120
$776K

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	8	4,796,507	$129.3M	—
2022Q2	9	5,568,788	$97.2M	+1
2022Q3	8	5,133,851	$76.1M	-1
2022Q4	9	4,519,551	$76.7M	+1
2023Q1	10	4,412,120	$105.8M	+1
2023Q2	13	4,603,241	$132.0M	+3
2023Q3	12	5,087,373	$130.0M	-1
2023Q4	11	4,868,905	$153.5M	-1
2024Q1	11	5,516,146	$186.3M	—
2024Q2	11	5,895,496	$143.6M	—
2024Q3	9	2,605,706	$60.5M	-2
2024Q4	6	2,072,206	$35.2M	-3
2025Q1	10	2,724,164	$28.8M	+4
2025Q2	10	2,096,371	$27.3M	—
2025Q3	10	2,390,608	$44.1M	—
2025Q4	10	4,178,870	$25.6M	—

Who owns ARCT

10 super-investors · 2025Q4

Tracked stake

4.18M

Combined value

$26M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added4Trim1Sold2

#	Manager	Shares	Value	% of book	Last action
1	Cathie Wood ARK Invest	2.61M	$16M	0.1%	Added+738.4K
2	Two Sigma Investments	546.7K	$3M	0.0%	Added+457.5K
3	Izzy Englander Millennium Mgmt	304.8K	$2M	0.0%	Added+265.0K
4	Steve Cohen Point72	222.2K	$1M	0.0%	New+222.2K
5	Ken Griffin Citadel Advisors	120.7K	$740K	0.0%	Sold−42.1K
6	Renaissance Technologies	119.9K	$735K	0.0%	New+119.9K
7	D.E. Shaw & Co.	97.8K	$600K	0.0%	Added+37.6K
8	Ken Griffin Citadel Advisors	86.2K	$528K	0.0%	Sold−42.1K
9	AQR Capital Management	43.4K	$266K	0.0%	New+43.4K
10	T. Rowe Price	26.1K	$161K	0.0%	Trim−1.8K

Recent moves

20 transactions

NEWAQR Capital Management
+43,403 · 2025Q4
ADDTwo Sigma Investments
+457,467 · 2025Q4
NEWSteve Cohen (Point72)
+222,163 · 2025Q4
SOLDKen Griffin (Citadel Advisors)
−42,120 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+264,977 · 2025Q4
SOLDWellington Management
−85,483 · 2025Q4
ADDD.E. Shaw & Co.
+37,610 · 2025Q4
TRIMT. Rowe Price
−1,838 · 2025Q4
NEWRenaissance Technologies
+119,905 · 2025Q4
ADDCathie Wood (ARK Invest)
+738,378 · 2025Q4
SOLDAQR Capital Management
−11,218 · 2025Q3
NEWIzzy Englander (Millennium Mgmt)
+39,800 · 2025Q3
ADDT. Rowe Price
+4,679 · 2025Q3
SOLDSteve Cohen (Point72)
−6,154 · 2025Q3
ADDTwo Sigma Investments
+2,857 · 2025Q3
ADDD.E. Shaw & Co.
+49,776 · 2025Q3
TRIMWellington Management
−26,424 · 2025Q3
ADDCathie Wood (ARK Invest)
+157,681 · 2025Q3
ADDTwo Sigma Investments
+49,007 · 2025Q2
TRIMSteve Cohen (Point72)
−4,163 · 2025Q2

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