Comparable stake leader
Adage Capital Management, L.P.
SEC ownership of Hall Chadwick Acquisition Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002079013.
Disclosed value leader
METEORA CAPITAL, LLC
Comparable rows
23/50
Latest evidence
31 Mar 2026
- Public ticker
- HCAC, HCACU, HCACR on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Adage Capital Management, L.P.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
23 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Adage Capital Management, L.P.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002079013
- Issuer location
- Grand Cayman
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Hall Chadwick Acquisition Corp (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
METEORA CAPITAL, LLC
Comparable rows
23/50
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.6%
27 rows are not safely comparable across share classes.
13D/G row: Adage Capital Management, L.P.
Showing 1-8 of 50 holder rows.
Quick read
Adage Capital Management, L.P. leads the comparable SEC ownership view at 7.6%.
23 of 50 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%
Alberta Investment Management Corp
2.8%
HEALTHCARE OF ONTARIO PENSION PLA...
2.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Adage Capital Management, L.P. |
13D/G
|
7.6%
|
$16,248,600
1,620,000 shares
|
$0 | 31 Dec 2025 |
| Saba Capital Management, L.P. |
13F
13D/G
Company
|
4.2%
from 13D/G
|
$3,877,444
1,240,630 shares
mixed-class rows
|
— | 31 Mar 2026 |
| Hall Chadwick Capital LLC |
3/4/5
10%+ Owner
|
1.8%
|
$3,788,600
380,000 shares
|
— | 20 Nov 2025 |
| Alberta Investment Management Corp |
13F
Company
|
2.8%
|
$5,958,000
600,000 shares
|
— | 31 Mar 2026 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
Company
|
2.3%
|
$5,125,000
500,000 shares
|
— | 31 Mar 2026 |
| First Trust Capital Management L.P. |
13F
Company
|
2.3%
|
$4,965,000
500,000 shares
|
— | 31 Mar 2026 |
| LMR Partners LLP |
13F
Company
|
2.1%
|
$4,612,500
450,000 shares
|
— | 31 Mar 2026 |
| OMERS ADMINISTRATION Corp |
13F
Company
|
1.7%
|
$3,689,836
359,984 shares
|
— | 31 Mar 2026 |
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.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 01 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-5 of 5 reporting-owner rows connected to Hall Chadwick Acquisition Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Hall Chadwick Capital LLC
Net 12M change
$0
Latest report
20 Nov 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Hall Chadwick Capital LLC | 10%+ Owner | $3,788,600 | Mixed | 20 Nov 2025 | ||
| Alejandro Lopez Bono | Chief Executive Officer, Director, 10%+ Owner | Mixed | 20 Nov 2025 | |||
| Aaron Joseph Dominish | Chief Financial Officer, Director, 10%+ Owner | Mixed | 20 Nov 2025 | |||
| Christopher Richard Dirckze | Director | Mixed | 20 Nov 2025 | |||
| Gregory Woszczalski | Director | Mixed | 20 Nov 2025 |
Recent insider transactions for Hall Chadwick Acquisition Corp
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Hall Chadwick Capital LLC | HCAC | Class A Ordinary Shares | 0 | 380,000 | 20 Nov 2025 | Direct | ||||
| Aaron Joseph Dominish | HCAC | Class A Ordinary Shares | 0 | 380,000 | 20 Nov 2025 | By Hall Chadwick Capital LLC | ||||
| Alejandro Lopez Bono | HCAC | Class A Ordinary Shares | 0 | 380,000 | 20 Nov 2025 | By Hall Chadwick Capital LLC |
* marks a reported price that did not pass the local price check.