Arqit Quantum Inc.

ARQQNASDAQ

$23.68-0.94 (-3.82%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Arqit Quantum Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-56.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Defiance ETFs, LLC	44.17%	$147M	2.00%	Add 251.10%
Penserra Capital Management LLC	44.01%	$151M	1.16%	Not reported
UBS Group AG	4.53%	$15.5M	0.00%	Not reported
Legal & General Group Plc	2.39%	$8.15M	0.00%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	1.63%	$5.59M	0.01%	Not reported
Kessler Investment Group, LLC	1.33%	$4.55M	1.94%	Reduce 2.83%
Bank of New York Mellon Corp	0.86%	$2.95M	0.00%	Not reported
Raymond James Financial Inc	0.83%	$2.83M	0.00%	Not reported
Millennium Management LLC	0.68%	$2.34M	0.00%	Not reported
Bank of America Corp	0.47%	$1.61M	0.00%	Not reported
Van Eck Associates Corp	0.43%	$1.47M	0.00%	Add 145.56%
Cetera Investment Advisers	0.33%	$1.14M	0.00%	Not reported
Banque Pictet & Cie SA	0.31%	$1.07M	0.01%	Not reported
KKM Financial LLC	0.27%	$538K	0.07%	New Not reported
Man Group plc	0.23%	$779K	0.00%	Not reported
SBI Securities Co., Ltd.	0.23%	$777K	0.02%	Not reported
Advisory Services Network, LLC	0.19%	$646K	0.01%	Not reported
Zurcher Kantonalbank (Zurich Cantonalbank)	0.18%	$633K	0.00%	Not reported
Wells Fargo & Company	0.18%	$633K	0.00%	Not reported
LPL Financial LLC	0.15%	$508K	0.00%	Not reported
Morgan Stanley	0.14%	$484K	0.00%	Not reported
Tidal Investments LLC	0.14%	$476K	0.00%	New Not reported
Citigroup Inc	0.13%	$433K	0.00%	Not reported
Simplex Trading, LLC	0.10%	$341K	0.00%	Not reported
Royal Bank of Canada	0.08%	$283K	0.00%	Not reported
Geode Capital Management, LLC	0.08%	$276K	0.00%	Not reported
Y.D. More Investments Ltd	0.08%	$886	0.00%	New Not reported
Heck Capital Advisors, LLC	0.07%	$234K	0.01%	New Not reported
Goldman Sachs Group Inc	0.06%	$217K	0.00%	Not reported
McGuire Investment Group, LLC	0.06%	$206K	0.02%	New Not reported
BlackRock, Inc.	0.06%	$196K	0.00%	Not reported
Jones Financial Companies LLLP	0.04%	$98.8K	0.00%	Not reported
Mirae Asset Global Investments Co., Ltd.	0.03%	$102K	0.00%	Not reported
Osaic Holdings, Inc.	0.03%	$95.5K	0.00%	Not reported
Center for Financial Planning, Inc.	0.02%	$83.8K	0.01%	Not reported
Leonteq Securities AG	0.01%	$44.6K	0.00%	Reduce 13.04%
Tower Research Capital LLC (TRC)	0.01%	$37.3K	0.00%	Not reported
Rockefeller Capital Management L.P.	0.01%	$29.7K	0.00%	Not reported
EFG International AG	0.01%	$29.8K	0.00%	Not reported
Harbour Investments, Inc.	0.01%	$26.7K	0.00%	Not reported
Integrated Wealth Concepts LLC	0.01%	$18.5K	0.00%	Not reported
Signaturefd, LLC	0.01%	$17.8K	0.00%	Not reported
Steward Partners Investment Advisory, LLC	0.01%	$17.8K	0.00%	Not reported
Ameritas Advisory Services, LLC	0.00%	$16.8K	0.00%	Not reported
BNP Paribas Financial Markets	0.00%	$16.7K	0.00%	Not reported
Wolverine Asset Management LLC	0.00%	$14.5K	0.00%	Not reported
IFP Advisors, Inc	0.00%	$5.5K	0.00%	Not reported
Farther Finance Advisors, LLC	0.00%	$5.11K	0.00%	Not reported
Heritage Wealth Advisors	0.00%	$3.86K	0.00%	Not reported
Parallel Advisors, LLC	0.00%	$3.64K	0.00%	Not reported

50 of 60 holders

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