Comparable stake leader
Radical Ventures Fund II (International), L.P.
SEC ownership of Xanadu Quantum Technologies Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002097163.
Disclosed value leader
Radical Ventures Fund II (International), L.P.
Comparable rows
43/43
Latest evidence
31 Mar 2026
- Public ticker
- XNDU on Nasdaq
- Parsed ownership sources
- 13D/G and 13F
- Largest SEC-reported holder
- Radical Ventures Fund II (International), L.P.
- Latest 13D/G holder
- Radical Ventures Fund II (International), L.P.
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0002097163
- Issuer location
- Toronto
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Xanadu Quantum Technologies Ltd (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Radical Ventures Fund II ...
Disclosed value leader
Radical Ventures Fund II ...
Comparable rows
43/43
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 22%
13D/G row: Radical Ventures Fund II (International), L.P.
Showing 1-8 of 43 holder rows.
Quick read
Radical Ventures Fund II (International), L.P. leads the comparable SEC ownership view at 22%.
43 of 43 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Radical Ventures Fund II (International), L.P.'s linked filing trail.
Comparable ownership
Top 5
Radical Ventures Fund II (Interna...
22%
LOCKHEED MARTIN INVESTMENT MANAGE...
5.1%
Polar Asset Management Partners Inc.
4.6%
MMCAP International Inc. SPC
15%
StepStone Group LP
7.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 43 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Radical Ventures Fund II (International), L.P. |
13D/G
Radical Ventures II GP Inc.
|
22%
|
$331,967,815
11,898,488 shares
|
$0 | 26 Mar 2026 |
| LOCKHEED MARTIN INVESTMENT MANAGEMENT CO |
13D/G
|
5.1%
|
$64,418,087
2,308,892 shares
|
$0 | 26 Mar 2026 |
| Polar Asset Management Partners Inc. |
13D/G
13F
Company
|
4.6%
|
$22,980,000
2,000,000 shares
|
$0 | 31 Mar 2026 |
| MMCAP International Inc. SPC |
13F
Company
|
15%
|
$48,125,000
6,875,000 shares
|
— | 31 Mar 2026 |
| StepStone Group LP |
13F
Company
|
7.5%
|
$26,180,762
3,417,854 shares
|
— | 31 Mar 2026 |
| Alyeska Investment Group, L.P. |
13F
Company
|
2.2%
|
$7,624,760
1,000,000 shares
|
— | 31 Mar 2026 |
| Burkehill Global Management, LP |
13F
Company
|
2.2%
|
$6,917,000
1,000,000 shares
|
— | 31 Mar 2026 |
| Weiss Asset Management LP |
13F
Company
|
1.7%
|
$5,936,500
775,000 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 04 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Recent insider transactions for Xanadu Quantum Technologies Ltd
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.