Who owns Newbury Street II Acquisition Corp?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of NTWO from SEC Form 13F filings across 43 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 43 institutions disclosed 16.9M shares of Newbury Street II Acquisition Corp worth $179.2M — about 97.7% of shares outstanding; the largest disclosed holder is Magnetar Financial LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
43
13F holders
$179.2M
value, 2026 filers
97.7%
of shares outstanding (16.9M sh)
2
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of NTWO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | 1.4M | $15.4M | 0.1% | 8.4% | 0.0% |
| 2 | LMR Partners LLP | 1.4M | $15.4M | 0.1% | 8.4% | 0.0% |
| 3 | WOLVERINE ASSET MANAGEMENT LLC | 1.1M | $11.4M | 0.1% | 6.2% | 0.0% |
| 4 | AQR Arbitrage LLC | 998,383 | $10.6M | 0.2% | 5.8% | -2.3% |
| 5 | Ghisallo Capital Management LLC | 950,000 | $10.1M | 0.2% | 5.5% | 0.0% |
| 6 | Linden Advisors LP | 900,000 | $9.6M | 0.0% | 5.2% | 0.0% |
| 7 | Westchester Capital Management, LLC | 898,111 | $9.5M | 0.5% | 5.2% | 0.0% |
| 8 | Hudson Bay Capital Management LP | 874,149 | $9.3M | 0.0% | 5.1% | 0.0% |
| 9 | D. E. Shaw & Co., Inc. | 853,875 | $9.1M | 0.0% | 5% | 0.0% |
| 10 | PICTON MAHONEY ASSET MANAGEMENT | 625,000 | $6.7M | 0.0% | 3.6% | 0.0% |
| 11 | Wealthspring Capital LLC | 547,054 | $5.8M | 1.3% | 3.2% | -1.5% |
| 12 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 499,329 | $5.3M | 0.3% | 2.9% | 0.0% |
| 13 | GLAZER CAPITAL, LLC | 481,769 | $5.1M | 0.1% | 2.8% | -0.5% |
| 14 | Karpus Management, Inc. | 461,231 | $4.9M | 0.1% | 2.7% | -19.6% |
| 15 | MMCAP International Inc. SPC | 450,000 | $4.8M | 0.4% | 2.6% | 0.0% |
| 16 | GOLDMAN SACHS GROUP INC | 436,997 | $4.7M | 0.0% | 2.5% | 0.0% |
| 17 | Radcliffe Capital Management, L.P. | 414,804 | $4.4M | 0.3% | 2.4% | 0.0% |
| 18 | MIZUHO SECURITIES USA LLC | 393,726 | $4.1M | 0.1% | 2.3% | 0.0% |
| 19 | TWO SIGMA INVESTMENTS, LP | 375,000 | $4.0M | 0.0% | 2.2% | 0.0% |
| 20 | WHITEBOX ADVISORS LLC | 375,000 | $4.0M | 0.1% | 2.2% | 0.0% |
| 21 | Governors Lane LP | 350,000 | $3.7M | 0.3% | 2% | 0.0% |
| 22 | Periscope Capital Inc. | 327,300 | $3.5M | 0.3% | 1.9% | 0.0% |
| 23 | TENOR CAPITAL MANAGEMENT Co., L.P. | 249,418 | $2.7M | 0.0% | 1.4% | 0.0% |
| 24 | Verition Fund Management LLC | 245,815 | $2.6M | 0.0% | 1.4% | -1.4% |
| 25 | Jain Global LLC | 200,034 | $2.1M | 0.0% | 1.2% | -20.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.