Comparable stake leader
Copley Acquisition Sponsors, LLC
SEC ownership of Copley Acquisition Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002045473.
Disclosed value leader
Copley Acquisition Sponsors, LLC
Comparable rows
42/43
Latest evidence
31 Mar 2026
- Public ticker
- COPL, COPL-UN, COPL-WT on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Copley Acquisition Sponsors, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
42 of 43
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Copley Acquisition Sponsors, LLC
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
- 0002045473
- Issuer location
- George Town, Cayman Islands
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 Copley 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
Copley Acquisition Sponso...
Disclosed value leader
Copley Acquisition Sponso...
Comparable rows
42/43
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 27%
1 rows are not safely comparable across share classes.
13D/G row: Copley Acquisition Sponsors, LLC
Showing 1-8 of 43 holder rows.
Quick read
Copley Acquisition Sponsors, LLC leads the comparable SEC ownership view at 27%.
42 of 43 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 Copley Acquisition Sponsors, LLC's linked filing trail.
Comparable ownership
Top 5
Copley Acquisition Sponsors, LLC
27%
ARISTEIA CAPITAL, L.L.C.
6.2%
Karpus Management, Inc.
5.7%
BERKLEY W R CORP
5.7%
Westchester Capital Management, LLC
4.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 43 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Copley Acquisition Sponsors, LLC |
13D/G
3/4/5
10%+ Owner
|
27%
|
$64,761,521
6,305,893 shares
|
$0 | 30 Jun 2025 |
| ARISTEIA CAPITAL, L.L.C. |
13F
13D/G
Company
|
6.2%
from 13D/G
|
$11,201,638
1,085,430 shares
|
— | 31 Mar 2026 |
| Karpus Management, Inc. |
13F
13D/G
Company
|
5.7%
from 13D/G
|
$15,726,318
1,526,827 shares
|
— | 31 Mar 2026 |
| BERKLEY W R CORP |
13D/G
13F
W.R. Berkley Corporation · Company
|
5.7%
|
$10,605,080
1,027,624 shares
|
+$1,025,860 | 31 Mar 2026 |
| Westchester Capital Management, LLC |
13F
Company
|
4.8%
|
$8,855,574
860,600 shares
|
— | 31 Mar 2026 |
| Polar Asset Management Partners Inc. |
13F
Company
|
4.2%
|
$7,740,000
750,000 shares
|
— | 31 Mar 2026 |
| TENOR CAPITAL MANAGEMENT Co., L.P. |
13F
Company
|
4.2%
|
$7,740,000
750,000 shares
|
— | 31 Mar 2026 |
| D. E. Shaw & Co., Inc. |
13F
Company
|
3.3%
|
$6,192,000
600,000 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 09 Jul 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 1-11 of 11 reporting-owner rows connected to Copley Acquisition Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Bob Whitsitt
Net 12M change
$0
Latest report
02 May 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Bob Whitsitt | Director | Mixed | 30 Apr 2025 | |||
| Chibo Tang | Co-Chief Executive Officer, Director | Mixed | 30 Apr 2025 | |||
| Chun Kit Chu | Chief Marketing Officer | Mixed | 30 Apr 2025 | |||
| Copley Acquisition Sponsors, LLC | 10%+ Owner | Mixed | 02 May 2025 | |||
| Francis Chi Yin Ng | Co-Chief Executive Officer, Director | Mixed | 30 Apr 2025 | |||
| Jean-Baptiste Djebbari | Director | Mixed | 30 Apr 2025 | |||
| Menghan Zhang | CFO and President, Director | Mixed | 30 Apr 2025 | |||
| Rebecca A. Fannin | Director | Mixed | 30 Apr 2025 | |||
| Ying Shirley Meng | Director | Mixed | 30 Apr 2025 | |||
| Tok Li | Chief Legal Officer, 10%+ Owner | Mixed | 02 May 2025 | |||
| Tsz Chiu Guan | Chief Operating Officer | Mixed | 30 Apr 2025 |
Recent insider transactions for Copley 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.