ARQQ
Arqit Quantum Inc.After hours16.84+0.18 +1.11%USD
NasdaqCM · as of Oct 13, 16:00 ET · 15m delayAfter hours 16.86 +0.12%
Open
16.47
Prev close
16.66
Day range
16.2117.19
52-week range
11.5261.11
Volume
231.80K0.70×
Mkt cap
293.06M
P/E ttm
—
Fwd P/E
-15.89
EPS ttm
-3.21
Div yield
0.00%
Earnings
—
From 52w high
−72.44%
ARQQ shareholders
ARQQ Ownership
13F / N-PORT filings via Yahoo
Institutions
82.6%
84.9% of the float
Insiders
2.6%
officers and directors
Institutional holders
95
filing positions
Top 10 institutions
75.3%
8 adding · 2 trimming
Top Institutions
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| Defiance Etfs, LLC | 32.58% | 5.10M | $85.87M | +251.1% | Jun 30, 2026 |
| Penserra Capital Management LLC | 32.46% | 5.08M | $85.57M | +249.9% | Jun 30, 2026 |
| UBS Group AG | 3.34% | 522.87K | $8.81M | +512.0% | Jun 30, 2026 |
| Legal & General Group PLC | 1.76% | 275.94K | $4.65M | +424.3% | Jun 30, 2026 |
| National Bank of Canada/FI/ | 1.35% | 212.00K | $3.57M | +19296.2% | Jun 30, 2026 |
| Mirae Asset Global ETFs Holdings Ltd. | 1.20% | 188.18K | $3.17M | −42.0% | Jun 30, 2026 |
| Kessler Investment Group, LLC | 0.89% | 138.54K | $2.33M | −9.5% | Sep 30, 2026 |
| Bank Of New York Mellon Corporation | 0.63% | 99.15K | $1.67M | +732.3% | Jun 30, 2026 |
| Raymond James Financial, Inc. | 0.61% | 95.25K | $1.60M | +49.2% | Jun 30, 2026 |
| Millennium Management Llc | 0.50% | 78.72K | $1.33M | +45.7% | Jun 30, 2026 |
Top Funds
| Holder | % held | Shares | Value | Change | As of |
|---|---|---|---|---|---|
| ETF Series Solutions-Defiance Quantum ETF | 32.46% | 5.08M | $85.57M | +249.9% | Jun 30, 2026 |
| GLOBAL X FUNDS-Global X Cybersecurity ETF | 1.43% | 223.15K | $3.76M | +14.3% | Aug 31, 2026 |
| ADVISORS' INNER CIRCLE FUND II-Mango Growth ETF | 0.20% | 31.39K | $528.67K | +2.1% | Jul 31, 2026 |
| Corgi ETF Trust I-Corgi Quantum Computing ETF | 0.17% | 26.73K | $450.15K | +100.0% | Jun 30, 2026 |
| Tidal Trust II-Defiance Pure Quantum ETF | 0.10% | 15.08K | $253.88K | +100.0% | Jun 30, 2026 |
| Fidelity Concord Street Trust-Fidelity Nasdaq Composite Index Fund | 0.06% | 9.29K | $156.51K | 0.0% | Aug 31, 2026 |
| Invesco Exch-Trd Fd. TRT II-Invesco NASDAQ Future Gen 200 ETF | 0.04% | 6.76K | $113.92K | −0.1% | Aug 31, 2026 |
| SPDR INDEX SHARES Fd.S-State Street SPDR S&P Intl Small Cap ETF | 0.03% | 4.25K | $71.55K | +0.5% | Jul 31, 2026 |
| Corgi ETF Trust I-Corgi AI Cybersecurity ETF | 0.01% | 1.71K | $28.83K | +100.0% | Jun 30, 2026 |
Institutions report quarterly, up to 45 days after the quarter ends, so these positions can be months old. Change compares the share count with the holder's previous filing. Insider transactions are on the overview page (INSD).