Arqit Quantum Ownership | Who Owns Arqit Quantum?

Arqit Quantum Ownership Summary

Arqit Quantum is owned by 12.25% institutional investors, 75.87% insiders, and 11.88% retail investors. Penserra capital management is the largest institutional shareholder, holding 9.50% 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	12.25%	75.87%	11.88%
Sector	Technology Stocks	35.93%	15.14%	48.93%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Penserra capital management	1.45M	9.50%	$19.24M
Mirae asset global etfs	324.31K	2.12%	$4.29M
Kessler investment group	153.10K	0.92%	$4.55M
Ubs group	85.44K	0.56%	$1.13M
Raymond james financial	63.84K	0.42%	$845.84K
Millennium management	54.03K	0.35%	$715.84K
Legal & general group	52.63K	0.34%	$698.95K
Renaissance	41.40K	0.27%	$548.55K
Tudor investment corp et al	38.07K	0.25%	$504.41K
Banque pictet & cie sa	36.00K	0.22%	$1.07M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kessler investment group	153.10K	1.94%	$4.55M
Penserra capital management	1.45M	0.23%	$19.24M
Maso capital partners	2.84K	0.18%	$110.05K
True vision mn	14.85K	0.10%	$196.74K
Headlands	12.32K	0.02%	$163.25K
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	1.45M	0.23%	73.66K
Alyeska investment group	62.50K	0.00%	62.50K
Millennium management	54.03K	0.00%	54.03K
Renaissance	41.40K	0.00%	41.40K
Tudor investment corp et al	38.07K	0.00%	38.07K

Top Sellers

Holder	Shares	% Assets	Change
Migdal insurance & financial	-	-	-154.44K
Cowen and company	-	-	-100.00K
Vontobel	-	-	-79.00K
Xtx topco	-	-	-67.88K
Old mission capital	-	-	-65.50K

New Positions

Holder	Shares	% Assets	Change	Value
Renaissance	41.40K	0.00%	41.40K	$548.55K
True vision mn	14.85K	0.10%	14.85K	$196.74K
Headlands	12.32K	0.02%	12.32K	$163.25K
Heck capital advisors	7.88K	0.01%	7.88K	$234.25K
Cresset asset management	7.33K	0.00%	7.33K	$283.92K

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 %
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%
Mar 31, 2025	38	5.56%	508,010	58.35%	10	24.98%	28	-6.67%	3	-

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	174.52K	1.00%	-3.86K
WisdomTree Quantum Computing ETF USD Acc	114.82K	0.66%	-
WisdomTree Quantum Computing Fund	99.14K	0.57%	-
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	50.31K	0.29%	-
Optimix Wereld Aandelen Fonds	35.00K	0.20%	35.00K
Mango Growth ETF	30.89K	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 (1.45M shares, 9.50%), Mirae asset global etfs (324.31K shares, 2.12%), and Kessler investment group (153.1K shares, 0.92%). Together, they hold 12.54% 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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