13F

Stock

Arqit Quantum Inc

Ticker not mapped · held by 55 managers

Reported value

$33.7M

Holders

55

+10 new · −14 exited

Holders’ est. mark

−$18.7M

Price effect on 45 books still in the name

Largest holder

$19.2M

Defiance ETFs, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Defiance ETFs, LLC1.45M$19.2M−$12MCut−$11M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.324.3K$4.29M−$2.61MCut−$2.31M
Kessler Investment Group, LLC157.6K$2.09M−$412.9KAdded$1.04M
UBS Group AG85.4K$1.13M−$737.3KCut−$2.09M
RAYMOND JAMES FINANCIAL INC63.8K$845.8K−$545.9KCut−$538.1K
MILLENNIUM MANAGEMENT LLC54K$715.8KNew
Legal & General Group Plc52.6K$699K−$452.6KCut−$750.2K
Renaissance Technologies41.4K$548.5KNew
TUDOR INVESTMENT CORP ET AL38.1K$504.4KNew
BANQUE PICTET & CIE SA36K$477K−$310.7KCut−$310.7K
JANE STREET GROUP, LLC33.2K$439.9K−$286.5KCut−$999.3K
SBI Securities Co., Ltd.27.1K$359.2K−$234KCut−$320.8K
Advisory Services Network, LLC21.7K$288.1K−$172.1KCut−$148.2K
BANK OF AMERICA CORP /DE/19.2K$254.3K−$165.6KCut−$172.5K
WELLS FARGO & COMPANY/MN15.1K$200K−$88KCut−$23.1K
True Vision MN LLC14.8K$196.7KNew
GROUP ONE TRADING LLC13.5K$178.3K−$116.1KCut−$167.4K
Headlands Technologies LLC12.3K$163.3KNew
Bank of New York Mellon Corp11.9K$157.8K−$102.8KCut−$257.4K
Stonehage Fleming Financial Services Holdings Ltd11.5K$152.7K−$99.5KCut−$99.5K
Zurcher Kantonalbank (Zurich Cantonalbank)9.98K$132.2K−$60.7KCut−$21.8K
CITIGROUP INC9.85K$130.5K−$85KCut−$282.2K
MORGAN STANLEY9.38K$124.3K−$80.9KCut−$95.5K
ROYAL BANK OF CANADA7.01K$92K−$26.6KAdded$26K
Mirae Asset Global Investments Co., Ltd.5.85K$77.5K−$43.3KCut−$32.4K
JONES FINANCIAL COMPANIES LLLP3.4K$40K−$33KCut−$31.5K
BlackRock, Inc.2.23K$29.6K−$5.29KAdded$16.2K
OSAIC HOLDINGS, INC.1.85K$24.5K−$15.9KCut−$41.3K
Leonteq Securities AG1.73K$22.9K−$14.9KCut−$75.6K
Penserra Capital Management LLC1.45M$19.2K−$11.9KCut−$10.9K
IFP Advisors, Inc1.13K$14.9K−$4.65KAdded$3.11K
NATIONAL BANK OF CANADA /FI/1.09K$14.5K−$9.44KCut−$649.2K
EFG International AG1K$13.3K−$8.63KCut−$8.63K
Allworth Financial LP1K$13.3K−$8.63KCut−$8.63K
HARBOUR INVESTMENTS, INC.800$10.6K−$1.73KAdded$6.22K
Federation des caisses Desjardins du Quebec696$9.22KNew
Steward Partners Investment Advisory, LLC600$7.95KNew
SIGNATUREFD, LLC600$7.95K−$5.18KCut−$5.18K
WOLVERINE ASSET MANAGEMENT LLC489$6.48K−$4.22KCut−$4.22K
Quantbot Technologies LP444$5.88K−$3.25KCut−$2.34K
Parallel Advisors, LLC262$3.48K−$578Added$2.02K
Sunbelt Securities, Inc.250$3.31K−$2.16KCut−$2.16K
MAI Capital Management200$2.65K−$1.73KCut−$1.73K
US BANCORP \DE\135$1.79K−$863Cut−$399
Heritage Wealth Advisors130$1.72K−$1.12KCut−$1.12K
West Financial Advisors, LLC100$1.32K−$863Cut−$863
Cornerstone Financial Management LLC39$517−$336Cut−$336
Investors Portfolio Services LLC28$397New
VAN ECK ASSOCIATES CORP20.2K$267−$114Cut−$22
Parkside Financial Bank & Trust16$212−$139Cut−$139
CoreCap Advisors, LLC16$212−$138Cut−$138
MCF Advisors LLC10$133−$86Cut−$86
TD Waterhouse Canada Inc.2$27New
Vermillion Wealth Management, Inc.1$13New
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND1$13−$9Cut−$9

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.