Institutional Ownership
Newbury Str II Acquisition C
CUSIP G6439S109ORD SHS CL AQ1 2026
13D / 13G Filings
9
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
27.4%
Max % of class reported
Institutional Holders
41
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
9 filings · latest Aug 13, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Aug 13, 2025 | Healthcare Of Ontario Pension Plan Trust Fund | 13G/A | 1.1% | 200.0K | SEC |
| 2 | Jul 21, 2025 | Wolverine Asset Management LLC | 13G | 5.0% | 904.0K | SEC |
| 3 | May 14, 2025 | Aqr Capital Management, LLC | 13G/A | 5.7% | 1.02M | SEC |
| 4 | May 13, 2025 | Barclays PLC | 13G | 6.8% | 1.23M | SEC |
| 5 | Feb 14, 2025 | Aqr Capital Management, LLC | 13G | 8.1% | 145.47T | SEC |
| 6 | Feb 14, 2025 | Lmr Partners LLP | 13G | 8.1% | 1.45M | SEC |
| 7 | Feb 14, 2025 | Healthcare Of Ontario Pension Plan Trust Fund | 13G | 6.7% | 1.20M | SEC |
| 8 | Feb 11, 2025 | The K2 Principal Fund, L.P. | 13G/A | — | — | SEC |
| 9 | Nov 7, 2024 | Newbury Street II Acquisition Sponsor LLC | 13D | 27.4% | 6.60M | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Magnetar Financial LLC | 1.45M | $15.27M |
| 2 | Lmr Partners LLP | 1.45M | $15.24M |
| 3 | Wolverine Asset Management LLC | 1.08M | $11.31M |
| 4 | Aqr Arbitrage LLC | 1.02M | $10.74M |
| 5 | Ghisallo Capital Management LLC | 950.0K | $10.00M |
| 6 | Linden Advisors LP | 900.0K | $9.48M |
| 7 | Westchester Capital Management, LLC | 898.1K | $9.44M |
| 8 | Hudson Bay Capital Management LP | 874.1K | $9.21M |
| 9 | D. E. Shaw & Co., Inc. | 853.9K | $9.00M |
| 10 | Picton Mahoney Asset Management | 625.0K | $6.57M |