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Arcturus Therapeutics
ARCT

120 hedge funds and large institutions have $146M invested in Arcturus Therapeutics in 2025 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 36 increasing their positions, 37 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

71% more call options, than puts

Call options by funds: $1.95M | Put options by funds: $1.14M

3% less repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 37

12% less funds holding

Funds holding: 136 → 120 (-16)

11.82% less ownership

Funds ownership: 95.22% → 83.4% (-12%)

33% less first-time investments, than exits

New positions opened: 28 | Existing positions closed: 42

69% less capital invested

Capital invested by funds: $477M → $146M (-$330M)

Holders
120
Holders Change
-16
Holders Change %
-11.76%
% of All Funds
1.46%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
28
Increased
36
Reduced
37
Closed
42
Calls
$1.95M
Puts
$1.14M
Net Calls
+$810K
Net Calls Change
-$19.8M

Top Buyers

1
AIM
ARK Investment Management
Florida
+$7.97M
2
Two Sigma Advisers
Two Sigma Advisers
New York
+$5.1M
3
Two Sigma Investments
Two Sigma Investments
New York
+$4.94M
4
Jane Street
Jane Street
New York
+$3.09M
5
Millennium Management
Millennium Management
New York
+$2.86M

Top Sellers

1
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$17.8M
2
Federated Hermes
Federated Hermes
Pennsylvania
-$15M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$10.2M
4
SSA
Schonfeld Strategic Advisors
New York
-$6.46M
5
Bank of America
Bank of America
North Carolina
-$6.33M
Name Holding Trade Value Shares
Change 		Change in
Stake
US Bancorp
101
US Bancorp
Minnesota
$2.59K – – –
MCM
102
MAI Capital Management
Ohio
$2.34K – – –
Fifth Third Bancorp
103
Fifth Third Bancorp
Ohio
$2.26K -$1.43K -132 -26%
FFA
104
Farther Finance Advisors
California
$1.78K -$1.03K -95 -25%
VCM
105
Versant Capital Management
Arizona
$1.62K +$2.2K +204 +334%
FDCDDQ
106
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.44K – – –
SS
107
SBI Securities
Japan
$1.22K -$4.62K -428 -68%
Daiwa Securities Group
108
Daiwa Securities Group
Japan
$1K – – –
Carson Wealth (CWM LLC)
109
Carson Wealth (CWM LLC)
Nebraska
$1K +$270 +25 +12%
TRCT
110
Tower Research Capital (TRC)
New York
$766 -$37.7K -3,492 -97%
Optiver Holding
111
Optiver Holding
Netherlands
$748 -$907 -84 -41%
SPIA
112
Steward Partners Investment Advisory
New York
$625 – – –
PWMG
113
Private Wealth Management Group
New Jersey
$534 +$940 +87 New
N
114
Natixis
France
$368 +$648 +60 New
RFP
115
Root Financial Partners
California
$55 +$97 +9 New
TWD
116
True Wealth Design
Ohio
$31 +$54 +5 New
IA
117
IFP Advisors
Florida
$25 +$43 +4 New
EP
118
Essential Partners
California
$18 +$32 +3 New
Walleye Capital
119
Walleye Capital
New York
$6 +$11 +1 New
Balyasny Asset Management
120
Balyasny Asset Management
Illinois
– -$17.8M -964,985 Closed
Arrowstreet Capital
121
Arrowstreet Capital
Massachusetts
– -$10.2M -552,179 Closed
HF
122
HRT Financial
New York
– -$2.3M -124,989 Closed
Wellington Management Group
123
Wellington Management Group
Massachusetts
– -$1.58M -85,483 Closed
CM
124
Caption Management
Oklahoma
– -$1.08M -58,464 Closed
Franklin Resources
125
Franklin Resources
California
– -$910K -49,384 Closed
3 4
5
6 7

ARCT Hedge Fund Activity: Q4 2025 in Review

120 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Arcturus Therapeutics (ARCT) for Q4 2025, worth a combined $146M — down 69% from $477M a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of ARCT and 28 opened new positions — a net loss of 14 holders — while 37 trimmed existing stakes and 36 added.

The largest buyer was ARK Investment Management, adding an estimated $7.97M. The largest seller was Balyasny Asset Management, exiting entirely with an estimated $17.8M sold.

  • 120 institutional investors held Arcturus Therapeutics (ARCT) as of Q4 2025, down from 136 in Q3 2025.
  • Funds reported $146M of Arcturus Therapeutics stock for Q4 2025, down 69% quarter-over-quarter.
  • 28 funds opened new Arcturus Therapeutics positions in Q4 2025 and 42 closed out, a net change of -14 holders.
  • The largest Arcturus Therapeutics buyer in Q4 2025 was ARK Investment Management, an estimated $7.97M added.
  • The largest Arcturus Therapeutics seller in Q4 2025 was Balyasny Asset Management, an estimated $17.8M sold.

Based on aggregated 13F filings for Q4 2025.