Arqit Quantum Ownership | Who Owns Arqit Quantum?

Arqit Quantum Ownership Summary

Arqit Quantum is owned by 74.23% institutional investors, 69.26% insiders. Penserra capital management is the largest institutional shareholder, holding 30.65% of ARQQ shares. Defiance Quantum ETF is the top mutual fund, with 9.75% of its assets in Arqit Quantum shares.

ARQQ Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Arqit Quantum	74.23%	69.26%	-43.49%
Sector	Technology Stocks	78.07%	14.90%	7.03%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Penserra capital management	5.08M	30.65%	$151.01M
Ubs group	522.87K	3.15%	$15.54M
Legal & general group	275.94K	1.66%	$8.15M
National bank of canada /fi/	212.00K	1.28%	$6.30M
Mirae asset global etfs	188.18K	1.13%	$5.59M
Kessler investment group	153.10K	0.92%	$4.55M
Bank of new york mellon	99.15K	0.60%	$2.95M
Raymond james financial	95.25K	0.57%	$2.83M
Millennium management	78.72K	0.47%	$2.34M
Bank of america corp /de/	54.19K	0.33%	$1.61M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kessler investment group	153.10K	1.94%	$4.55M
Penserra capital management	5.08M	1.16%	$151.01M
Maso capital partners	2.84K	0.18%	$110.05K
True vision mn	14.85K	0.10%	$196.74K
Kkm financial	31.39K	0.07%	$537.78K
Mcguire investment group	6.93K	0.02%	$205.90K
Sbi securities	26.14K	0.02%	$776.73K
Heck capital advisors	7.88K	0.01%	$234.25K
Virtu financial	6.31K	0.01%	$244.00K
Center for financial planning	2.82K	0.01%	$83.75K

Top Buyers

Holder	Shares	% Assets	Change
Penserra capital management	5.08M	1.16%	3.63M
Ubs group	522.87K	0.00%	437.44K
Legal & general group	275.94K	0.00%	223.31K
National bank of canada /fi/	212.00K	0.00%	210.91K
Bank of new york mellon	99.15K	0.00%	87.23K

Top Sellers

Holder	Shares	% Assets	Change
Migdal insurance & financial	-	-	-154.44K
Mirae asset global etfs	188.18K	0.01%	-136.13K
Cowen and company	-	-	-100.00K
Vontobel	-	-	-79.00K
Xtx topco	-	-	-67.88K

New Positions

Holder	Shares	% Assets	Change	Value
Cetera investment advisers	38.20K	0.00%	38.20K	$1.14M
Kkm financial	31.39K	0.07%	31.39K	$537.78K
Man group	26.21K	0.00%	26.21K	$778.96K
Lpl financial	17.11K	0.00%	17.11K	$508.48K
Toroso investments	16.02K	0.00%	16.02K	$476.11K

Sold Out

Holder	Change
Vermillion wealth management	-1.00
Natixis	-1.00
Northwestern mutual wealth management	-2.00
Turning point benefit group	-18.00
Root financial partners	-24.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	74	19.35%	12,308,231	206.28%	74	12.64%	46	53.33%	12	-7.69%
Mar 31, 2026	22	-67.16%	1,873,569	-50.15%	12	2.03%	9	-75.68%	6	-40.00%
Dec 31, 2025	43	-36.76%	1,900,414	2.76%	12	5.92%	23	-43.90%	6	-33.33%
Sep 30, 2025	38	-17.39%	1,453,296	22.93%	11	13.27%	23	-14.81%	5	-28.57%
Jun 30, 2025	49	28.95%	1,202,047	141.85%	9	9.76%	28	-	8	166.67%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Defiance Quantum ETF	1.70M	9.75%	7.13K
Undly L&G Future World UK Eq Idx Fd	250.17K	1.44%	204.51K
Global X Cybersecurity ETF	195.29K	1.12%	-
WisdomTree Quantum Computing ETF USD Acc	123.69K	0.71%	2.20K
WisdomTree Quantum Computing Fund	108.13K	0.62%	2.72K
Undrly Fid DC L&G Fut Wld Mlt Asst MAGJ	62.79K	0.36%	51.27K
Undrly Future World Global Equity Idx Lf	52.06K	0.30%	42.51K
VanEck Quantum Cmptg ETF A USD Acc	51.91K	0.30%	89.00
Optimix Wereld Aandelen Fonds	35.00K	0.20%	-
Mango Growth ETF	31.39K	0.18%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 09, 2026	Lefebvre d'Ovidio Manfredi	-	Sell	-
Jul 10, 2026	Lefebvre d'Ovidio Manfredi	-	Sell	-
Jul 07, 2026	Lefebvre d'Ovidio Manfredi	-	Sell	-
Jul 08, 2026	Lefebvre d'Ovidio Manfredi	-	Sell	-
Jul 02, 2026	Lefebvre d'Ovidio Manfredi	-	Sell	-

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	13
2026 Q2	-	61
2026 Q1	-	-

ARQQ Ownership FAQ

Who owns the most shares of Arqit Quantum?

Arqit Quantum’s largest shareholders are Penserra capital management (5.08M shares, 30.65%), Ubs group (522.87K shares, 3.15%), and Legal & general group (275.94K shares, 1.66%). Together, they hold 35.46% of Arqit Quantum’s total shares outstanding.

Does Blackrock own Arqit Quantum?

BlackRock is not among the top 10 institutional shareholders of Arqit Quantum.

Who is Arqit Quantum’s biggest shareholder by percentage of total assets invested?

Kessler investment group is Arqit Quantum’s biggest shareholder by percentage of total assets invested, with 1.94% of its assets in 153.1K Arqit Quantum shares, valued at 4.55M$.

Who is the top mutual fund holder of Arqit Quantum shares?

Defiance Quantum ETF is the top mutual fund holder of Arqit Quantum shares, with 9.75% of its total shares outstanding invested in 1.7M Arqit Quantum shares.

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