Security key
G5225W126
Karbon Capital Partners Corp. - Class A Ordinary Shares, $0.0001 par value (KBONU)
CUSIP: G5225W126
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Class A Ordinary Shares, $0.0001 par value
- Total 13F shares
- 33,878,167
- Total 13F value
- $341,034,235
- Share change
- +33,496,335
- SEC-reported price per share
- $10.06
- Number of holders
- 57
- Value change
- +$337,190,312
- Number of buys
- 55
- Shares outstanding
- 35,387,288
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
57
Top holders
10
KBONU full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Karbon Capital Partners Corp. SEC filings
Karbon Capital Partners Corp. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G5225W126
Recent filing periods:
Ownership snapshot
Top reported holders of KBONU - Karbon Capital Partners Corp. - Class A Ordinary Shares, $0.0001 par value (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
Karbon Capital Partners C...
Disclosed value leader
Karbon Capital Partners C...
Comparable rows
2/4
Latest evidence
31 Dec 2025
13D/G
3/4/5
Lead comparable stake: 22%
2 rows are not safely comparable across share classes.
13D/G row: Karbon Capital Partners Core Holdings, LLC
Quick read
Karbon Capital Partners Core Holdings, LLC leads the comparable SEC ownership view at 22%.
2 of 4 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 Karbon Capital Partners Core Holdings, LLC's linked filing trail.
Comparable ownership
Top 2
Karbon Capital Partners Core Hold...
22%
Adage Capital Management, L.P.
7.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-4 of 4 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Karbon Capital Partners Core Holdings, LLC |
13D/G
|
22%
|
$96,006,350
9,515,000 shares
|
$0 | 31 Dec 2025 |
| Adage Capital Management, L.P. |
13D/G
|
7.6%
|
$27,243,000
2,700,000 shares
|
$0 | 31 Dec 2025 |
| Jeffrey J. Zajkowski |
3/4/5
Chief Financial Officer, Director, 10%+ Owner
|
—
mixed-class rows
|
$11,125,000
1,112,500 shares
mixed-class rows
|
— | 12 Dec 2025 |
| Thomas F. Karam |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
—
mixed-class rows
|
$11,125,000
1,112,500 shares
mixed-class rows
|
— | 12 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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
57
Shares
33,878,167
Rows available
57
| 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 Q4 2025 vs Q1 2026 Across Filers
Q1 2026 holders
18
Q4 2025 holders
57
Holder diff
39
| Investor | Q1 2026 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend