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Arqit Quantum Inc. · 13F filings

ARQQ Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Arqit Quantum Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 75 funds reported holding ARQQ at Jun 30, 2026.

← ARQQ stock page

Fund sentiment
Bullish
Strongly bearishNeutralStrongly bullish
  • ▲43 buying vs 27 selling
  • ▲Shares held by funds +78.3%
  • ▲Funds holding +8
  • ●Superinvestors: 1 added, 1 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding75+8 vs Q1 2026
Held by funds–of shares outstanding
Value held$361M18.5M shares
Put/call ratio10.63down from 27.07

Funds holding and ownership

8 quarters
Q3 2024: 26 fundsQ3 '24Q4 2024: 40 fundsQ4 '24Q1 2025: 38 fundsQ1 '25Q2 2025: 52 fundsQ2 '25Q3 2025: 68 fundsQ3 '25Q4 2025: 71 fundsQ4 '25Q1 2026: 67 fundsQ1 '26Q2 2026: 75 fundsQ2 '26
Funds holding

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding7567+11.9%
In funds' top 1020–
13F shares18.5M10.4M+78.3%
Held by funds–––
New positions2311+109.1%
Increased2021−4.8%
Reduced1512+25.0%
Sold out1215−20.0%
Calls (shares)229K195K+17.2%
Puts (shares)154K60K+156.0%
Put/call ratio10.6327.07−60.7%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 30 buyingQ4 2024: 13 sellingQ4 '24Q1 2025: 28 buyingQ1 2025: 20 sellingQ1 '25Q2 2025: 31 buyingQ2 2025: 17 sellingQ2 '25Q3 2025: 43 buyingQ3 2025: 21 sellingQ3 '25Q4 2025: 37 buyingQ4 2025: 31 sellingQ4 '25Q1 2026: 32 buyingQ1 2026: 27 sellingQ1 '26Q2 2026: 43 buyingQ2 2026: 27 sellingQ2 '26
Buying 43Selling 27latest quarter

Superinvestors in ARQQ

All superinvestors →

Who owns ARQQ

share of fund held shares
  • Index and passive funds1.8%
  • Active managers and hedge funds75.4%
  • Banks and brokers6.4%
  • Pensions, insurers and other16.3%

The top 10 holders own 94.6% of all ARQQ shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q3 2024: 0.00Q3 '24Q4 2024: 0.00Q4 '24Q1 2025: 0.00Q1 '25Q2 2025: 0.00Q2 '25Q3 2025: 1.08Q3 '25Q4 2025: 72.98Q4 '25Q1 2026: 27.07Q1 '26Q2 2026: 10.63Q2 '2610.63

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

17 funds changed their position

🔒 Free account: see all 17.

Top holders

Q2 2026
#FundOf companySharesValueChange
1Defiance ETFs, LLC–5.1M$147M+3.6M
2Penserra Capital Management LLC–5.1M$151M+3.6M
3SLT Holdings LLC–3M$211K−85K
4Foundations Investment Advisors, LLC–3M$211K−85K
5UBS Group AG–523K$15.5M+437K
6Legal & General Group Plc–276K$8.1M+223K
7National Bank of Canada /fi/–212K$6.3M+211K
8MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.–188K$5.6M−136K
9Kessler Investment Group, LLC–153K$4.6M−4,464
10Bank of New York Mellon Corp–99K$2.9M+87K
🔒 15 more top holders. Create a free account or sign in to see them.

ARQQ institutional ownership FAQ

Who owns the most ARQQ stock?

In Q2 2026 13F filings the largest holder of ARQQ was Defiance ETFs, LLC, followed by Penserra Capital Management LLC and SLT Holdings LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of ARQQ is owned by institutions?

75 funds reported holding 18.5M ARQQ shares at Jun 30, 2026.

Are hedge funds buying ARQQ?

In Q2 2026, 43 funds bought ARQQ (23 of them new positions) and 27 sold (12 sold out completely). Among well known investors, 1 added and 1 cut. Our fund sentiment for ARQQ is bullish.

What is ARQQ's institutional put/call ratio?

Funds reported $10.8M of ARQQ puts against $1M of calls, a put/call ratio of 10.63 (27.07 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this ARQQ ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.