Hall Chadwick Acquisition Corp - Class A Ordinary Shares, par value $0.0001 per share (HCACU)

Q: What does CUSIP G42386121 represent in this 13F holders report?

CUSIP G42386121 is the security identifier for HCACU - Hall Chadwick Acquisition Corp - Class A Ordinary Shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held HCACU - Hall Chadwick Acquisition Corp - Class A Ordinary Shares, par value $0.0001 per share in Q1 2026?

10 institutional investors reported HCACU - Hall Chadwick Acquisition Corp - Class A Ordinary Shares, par value $0.0001 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G42386121

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A Ordinary Shares, par value $0.0001 per share
Total 13F shares: 2,446,238
Total 13F value: $24,953,015
Share change: -17,359,037
SEC-reported price per share: $10.25
Number of holders: 10
Value change: -$173,909,944
Number of buys: 3
Number of sells: 46
Shares outstanding: 21,315,789

Security key

G42386121

Report period

Q1 2026

Institutions

Top holders

HCACU full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 Hall Chadwick Acquisition Corp SEC filings Hall Chadwick Acquisition Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G42386121

Previous quarter: Q4 2025

Recent filing periods:

Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of HCACU - Hall Chadwick Acquisition Corp - Class A Ordinary Shares, par value $0.0001 per share (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

Adage Capital Management,...

Disclosed value leader

Adage Capital Management,...

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F 3/4/5 Lead comparable stake: 7.6% 13D/G row: Adage Capital Management, L.P. Showing 1-6 of 15 holder rows.

Quick read

Adage Capital Management, L.P. leads the comparable SEC ownership view at 7.6%.

15 of 15 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 Adage Capital Management, L.P.'s linked filing trail.

Comparable ownership Top 5

Adage Capital Management, L.P. 7.6%

Saba Capital Management, L.P. 4.2%

Hall Chadwick Capital LLC 1.8%

ADAGE CAPITAL PARTNERS GP, L.L.C. 7.6%

METEORA CAPITAL, LLC 5.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Adage Capital Management, L.P.	13D/G 13D/G	7.6%	$16,248,600 1,620,000 shares	$0	31 Dec 2025
Saba Capital Management, L.P.	13F 13D/G Company 13F 13D/G	4.2% from 13D/G	$8,720,556 870,315 shares	—	31 Dec 2025
Hall Chadwick Capital LLC	3/4/5 10%+ Owner 3/4/5	1.8%	$3,788,600 380,000 shares	—	20 Nov 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	7.6%	$16,232,400 1,620,000 shares	—	31 Dec 2025
METEORA CAPITAL, LLC	13F Company 13F	5.4%	$11,560,154 1,153,708 shares	—	31 Dec 2025
Verition Fund Management LLC	13F Company 13F	3.8%	$8,186,275 816,586 shares	—	31 Dec 2025

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.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

2,446,238

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-48

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend