Newbury Street II Acquisition C

Historical 13F Holders

Symbol: NTWOU
CUSIP: G6439S125
All holders as of: Q2 2026
Type: Equity
Class: UNIT 10/23/2029

Reported Value, Excluding Options

Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for G6439S125 since 12/18/2024, largest first.

Filer	% of Class	Shares	Form	Filed
Magnetar Financial LLC 13G	8.1%	1,450,000	13G	1/29/2025 Event 12/31/2024
Magnetar Financial LLC	8.1%	1,450,000
Magnetar Capital Partners LP	8.1%	1,450,000
Supernova Management LLC	8.1%	1,450,000
David J. Snyderman	8.1%	1,450,000
Ghisallo Capital Management LLC 13G	5.3%	950,000	13G	2/12/2025 Event 12/31/2024
Ghisallo Capital Management LLC	5.3%	950,000
Michael Germino	5.3%	950,000

13F Holders by Quarter

Period	Filings	Shares, Excl. Options	Value, Excl. Options	Options Value
2026 Q2	4	50.6 k	$539 k	$0
2026 Q1	5	393 k	$976 k	$0
2025 Q4	4	62.4 k	$656 k	$0
2025 Q3	6	399 k	$980 k	$0
2025 Q2	8	569 k	$5.89 M	$0
2025 Q1	15	3.81 M	$38.5 M	$0
2024 Q4	27	12.8 M	$128 M	$0