Newbury Street II Acq - 29NTWOWPreferred / convertible

13F holders, Q3 2025 (September 30)
28holders +1
2new positions
1sold out
$0.25avg. 13F price*

At the end of Q3 2025, 28 institutions reported holding Newbury Street II Acq - 29 (NTWOW) in their 13F filings, up 1 from Q2 2025. 2 opened new positions and 1 sold out. The largest holders were LMR Partners LLP ($185K), AQR Arbitrage LLC ($183K) and Magnetar Financial LLC ($181K).

Company
Newbury Street II Acq - 29
CUSIP
G6439S117
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q4 2024: 8Q4 2024Q1 2025: 20Q1 2025Q2 2025: 27Q2 2025Q3 2025: 28Q3 2025Q4 2025: 28Q4 2025Q1 2026: 27Q1 2026Q2 2026: 27Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions2$58K
Exits1$5K

All 13F filers, Q2 2025 → Q3 2025: 250,110 shares bought and 55,492 shares sold, net +194,618 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 28 holders
LMR Partners LLP — No change 725,000 $185K
AQR Arbitrage LLC — No change 727,364 $183K
Magnetar Financial LLC — No change 725,000 $181K
Healthcare of Ontario Pension Plan Trust Fund — No change 600,000 $151K
Linden Advisors LP — No change 525,000 $131K
CSS LLC — No change 443,780 $113K
Hudson Bay Capital Management LP — No change 387,074 $99K
Kepos Capital LP — No change 373,000 $93K
Toronto Dominion Bank — Reduce -3.8% 335,730 $86K
Shaolin Capital Management LLC — No change 330,000 $84K
Picton Mahoney Asset Management — No change 312,500 $78K
Wealthspring Capital LLC — Reduce -1.0% 284,292 $66K
Clear Street Group Inc. — — 246,951 $63K
Rivernorth Capital Management, LLC — New 249,872 $58K
MMCAP International Inc. SPC — No change 225,000 $57K
Westchester Capital Management, LLC — No change 225,000 $52K
Whitebox Advisors LLC — No change 187,500 $48K
Periscope Capital Inc. — No change 187,400 $47K
K2 Principal Fund, L.P. — Reduce -0.3% 198,260 $46K
Verition Fund Management LLC — Reduce -4.4% 146,102 $37K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 124,709 $32K
Moore Capital Management, LP — No change 100,000 $25K
Wolverine Asset Management LLC — No change 36,581 $9K
Susquehanna International Group, LLP — Reduce -20.1% 27,093 $7K
Heights Capital Management, Inc. — No change 22,500 $6K
Meteora Capital, LLC — Reduce -1.3% 23,699 $5K
UBS Group AG — Reduce -7.4% 1,245 $288
Longfellow Investment Management Co. LLC — New 238 $61

"% of holder's portfolio" is NTWOW's weight in each manager's 13F, not the share of Newbury Street II Acq - 29 the manager owns.