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ARCT ARCTURUS THERAPEUTICS HLDGS

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COM (common), issuer CIK 1768224

128 managers (135 13F filers) reported a position in ARCT shares at 2026-06-30, 24,982,028 shares in all. 19 filers opened a position and 8 filers sold out during the quarter.

Managers
128
13F filers
135
New
19
Added
56
Reduced
40
Sold out
8
Shares held by filers
24,982,028

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.3,303,640$22.2M0.03%013F-HRTimelineGroup
ARK Investment Management LLCin group ARK Investment Management LLC2,901,635$19.5M0.13%+132,11713F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.2,614,012$17.6M<0.01%+73113F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding2,249,086$15.1M-14,175Timeline
Sumitomo Mitsui Trust Group, Inc.in group Sumitomo Mitsui Trust Group, …1,963,123$13.2M0.01%-325,81213F-HRTimelineGroup
Amova Asset Management Americas, Inc.in group Amova Asset Management Americ…1,960,458$13.1M0.17%-328,47713F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP1,091,137$7.33M0.01%+9,35313F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC693,660$4.66M<0.01%+32,73213F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC675,014$4.54M<0.01%+513,73613F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC647,511$4.35M0.02%+448,78313F-HRTimeline
STATE STREET CORPin group STATE STREET CORP569,598$3.83M<0.01%+25,73513F-HR/ATimelineGroup
UBS Group AGgroup of 2 filers holding492,419$3.31M+32,355Timeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.392,358$2.64M<0.01%+140,32413F-HRTimelineGroup
Empire Life Investments Inc.366,217$2.46M0.14%-17,27613F-HRTimeline
Hennion & Walsh Asset Management, Inc.346,207$2.33M0.07%+66,52813F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC336,996$2.26M<0.01%-141,56113F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC309,863$2.08M<0.01%+111,18213F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS261,789$1.76M<0.01%+66,92913F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co231,628$1.56M<0.01%+15,12813F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.231,582$1.56M<0.01%+167,73713F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP221,322$1.49M<0.01%-67,03313F-HRTimelineGroup
HEARTLAND ADVISORS INC219,300$1.47M0.07%-36,70013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP204,578$1.37M<0.01%-15,03513F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO195,704$1.33M<0.01%-2,11113F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC138,209$929K0.01%+69,91613F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC131,451$880K<0.01%-149,04913F-HRTimelineGroup
IQ EQ FUND MANAGEMENT (IRELAND) Ltd126,390$849K0.05%+12,13513F-HRTimeline
Invesco Ltd.in group Invesco Ltd.104,188$700K<0.01%-9,38213F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY97,406$655K<0.01%-28,72913F-HRTimelineGroup
Quantinno Capital Management LP85,875$577K<0.01%+14,52213F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp80,314$540K<0.01%+5,31713F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP77,269$519K<0.01%new13F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…75,903$510K<0.01%+44,19913F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC65,361$439K<0.01%-65113F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC65,282$439K<0.01%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding63,287$425K-205,123Timeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC56,895$394K<0.01%+4,07013F-HRTimelineGroup
MASSACHUSETTS FINANCIAL SERVICES CO /MA/in group MASSACHUSETTS FINANCIAL SERVI…57,480$386K<0.01%-2,29013F-HRTimelineGroup
Nuveen, LLCin group TIAA52,542$353K<0.01%013F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC50,253$338K<0.01%+36,47913F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP49,145$330K0.02%-84,56513F-HRTimeline
Y-Intercept (Hong Kong) Ltd43,291$291K0.01%new13F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC40,946$275K<0.01%+6,16413F-HR/ATimelineGroup
ALLIANCEBERNSTEIN L.P.35,280$272K<0.01%+7,56013F-HRTimeline
nVerses Capital, LLC38,950$262K0.4%+71413F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/36,887$248K<0.01%+7,09413F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC36,500$245K<0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…34,050$229K<0.01%+26,39913F-HRTimeline
RHUMBLINE ADVISERS31,887$214K<0.01%+1,01113F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN29,892$201K<0.01%+10,88813F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd29,282$197K<0.01%new13F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\28,994$195K<0.01%-2,37013F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC28,845$194K<0.01%+5,70513F-HRTimelineGroup
Engineers Gate Manager LP28,768$193K<0.01%-17,06513F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…28,762$193K<0.01%-3,98213F-HRTimelineGroup
TritonPoint Partners, LLCin group TritonPoint Partners, LLC28,186$189K0.02%+11413F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …27,651$186K<0.01%+78113F-HRTimelineGroup
Green Alpha Advisors, LLC27,091$182K0.12%-1,04713F-HRTimeline
Diversify Advisory Services, LLCgroup of 2 filers holding31,570$182K+15,785Timeline
Schonfeld Strategic Advisors LLC26,315$177K<0.01%new13F-HRTimeline
MGO ONE SEVEN LLC24,788$167K<0.01%-2,02913F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV24,006$161K<0.01%+13,11813F-HR/ATimeline
Apollon Wealth Management, LLCin group Apollon Wealth Management, LLC23,433$157K<0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/22,501$151K<0.01%-6,25013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC21,400$144K<0.01%-156,90013F-HRTimeline
Mariner, LLCin group Mariner, LLC20,555$138K<0.01%new13F-HRTimelineGroup
FMR LLCin group FMR LLC19,542$131K<0.01%+14,92113F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC19,323$130K<0.01%new13F-HRTimelineGroup
Freestone Capital Holdings, LLCin group Freestone Capital Holdings, L…18,655$125K<0.01%013F-HRTimelineGroup
AXQ CAPITAL, LP18,277$123K0.01%-4,70513F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC17,741$119K<0.01%-42613F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP17,354$117K<0.01%new13F-HR/ATimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co17,353$116K<0.01%+4,55913F-HRTimelineGroup
Abel Hall, LLC16,142$108K0.02%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…15,366$103K<0.01%+8,54113F-HRTimelineGroup
Dynamic Technology Lab Private Ltd15,177$102K0.02%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC15,010$101K<0.01%-8,07313F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC14,323$96.3K<0.01%new13F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…13,282$92.6K<0.01%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC13,775$92.6K<0.01%+14513F-HRTimelineGroup
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding13,612$91.5K-22,172Timeline
Formidable Asset Management, LLC11,700$90.3K0.01%+1,10013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd13,075$87.9K<0.01%-17,00313F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC13,027$87.5K<0.01%+10,70013F-HRTimelineGroup
TWO SIGMA SECURITIES, LLC11,864$79.7K0.01%new13F-HRTimeline
Inscription Capital, LLC11,774$79.1K0.01%013F-HRTimeline
Arax Advisory Partners11,711$78.7K<0.01%+11,64913F-HRTimeline
Jain Global LLC10,085$67.8K<0.01%-11,10313F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND8,497$57.1K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…6,957$46.8K<0.01%013F-HRTimeline
China Universal Asset Management Co., L…4,524$30.4K<0.01%-51813F-HRTimeline
NISA INVESTMENT ADVISORS, LLC3,300$22.2K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,317$15.6K<0.01%013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc2,304$15.5K<0.01%013F-HRTimelineGroup
SIGNATUREFD, LLC2,188$14.7K<0.01%013F-HRTimeline
GAMMA Investing LLC1,750$11.8K<0.01%+24413F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,637$11K<0.01%+67013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,550$10.4K<0.01%-2,87313F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.1,451$9.75K<0.01%-94913F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,045$7.02K<0.01%-1313F-HRTimelineGroup
SBI Securities Co., Ltd.921$6.19K<0.01%+52413F-HRTimeline
Essential Partners LLC824$5.54K<0.01%+48813F-HRTimeline
Bank Julius Baer & Co. Ltd, Zurich800$5.38K<0.01%013F-HRTimeline
Allworth Financial LP789$5.3K<0.01%+59313F-HRTimeline
Global Retirement Partners, LLC672$4.52K<0.01%13F-HRTimeline
GF FUND MANAGEMENT CO. LTD.611$4.11K<0.01%-4213F-HRTimeline
SIMPLEX TRADING, LLC607$4.08K<0.01%-17,55913F-HRTimeline
IFP Advisors, Inc584$3.92K<0.01%+55513F-HRTimeline
Farther Finance Advisors, LLC555$3.76K<0.01%+22613F-HRTimeline
Sterling Capital Management LLC540$3.63K<0.01%-7113F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…436$2.93K<0.01%+32513F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\423$2.84K<0.01%013F-HRTimelineGroup
Versant Capital Management, Inc405$2.72K<0.01%+9013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…369$2.48K<0.01%-1,00113F-HR/ATimeline
ROTHSCHILD INVESTMENT LLC323$2.17K<0.01%+25613F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC257$1.73K<0.01%013F-HRTimeline
True Wealth Design, LLC253$1.7K<0.01%+19213F-HRTimeline
Federation des caisses Desjardins du Qu…235$1.58K<0.01%013F-HRTimeline
SJS Investment Consulting Inc.172$1.16K<0.01%+17013F-HRTimeline
Fortitude Family Office, LLC134$900<0.01%new13F-HRTimeline
Steward Partners Investment Advisory, L…105$706<0.01%+313F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.92$618<0.01%013F-HRTimelineGroup
Parkside Financial Bank & Trust80$538<0.01%new13F-HRTimeline
Caitong International Asset Management …68$457<0.01%-95513F-HRTimeline
Clearstead Advisors, LLC55$370<0.01%new13F-HRTimeline
NFSG Corp40$269<0.01%013F-HRTimeline
HARBOUR INVESTMENTS, INC.31$211<0.01%+1813F-HRTimeline
Covestor Ltd42$00%+3013F-HRTimelineValue filed as zero, left out of ratios.

Events

  • FEDERATED HERMES, INC. and 4 other reporting persons reported 1,678,069 ARCT shares, 5.9% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-07. 0001623632-26-001546

    Accepted , ingested