Karbon Capital Partners Corp. - Class A Ordinary Shares, $0.0001 par value (KBONU) Institutional Ownership

13F Institutional Holders and Ownership History for Q4 2025

Type / Class
Equity / Class A Ordinary Shares, $0.0001 par value
Symbol
KBONU on Nasdaq
Shares outstanding
44,050,926
Price per share
$10.19
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
33,848,514
Total reported value
$340,735,235
% of total 13F portfolios
0%
Share change
+33,466,682
Value change
+$336,891,312
Number of holders
56
Price from insider filings
$10.19
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Karbon Capital Partners Corp. - Class A Ordinary Shares, $0.0001 par value (KBONU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Karbon Capital Partners Core Holdings, LLC 22% $96,006,350 9,515,000 Karbon Capital Partners Core Holdings, LLC 31 Dec 2025
Adage Capital Management, L.P. 7.6% $27,243,000 2,700,000 Adage Capital Management, L.P. 31 Dec 2025
Empyrean Capital Partners, LP 7.4% $26,564,468 2,632,752 Empyrean Capital Partners, LP 31 Dec 2025
MILLENNIUM MANAGEMENT LLC 6.4% 2,267,431 Millennium Management LLC 11 Dec 2025

As of 31 Dec 2025, 56 institutional investors reported holding 33,848,514 shares of Karbon Capital Partners Corp. - Class A Ordinary Shares, $0.0001 par value (KBONU). This represents 77% of the company’s total 44,050,926 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Karbon Capital Partners Corp. - Class A Ordinary Shares, $0.0001 par value (KBONU) together control 61% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ADAGE CAPITAL PARTNERS GP, L.L.C. 6.1% 2,700,000 0.04% $27,175,500
Empyrean Capital Partners, LP 6% 2,632,752 0.92% $26,498,649
MILLENNIUM MANAGEMENT LLC 5.2% 2,277,370 0.02% $22,921,729
Alberta Investment Management Corp 4.5% 2,000,000 0.06% $20,140,000
Fort Baker Capital Management LP 3.4% 1,499,756 1.7% $15,095,044
Yaupon Capital Management LP 3.3% 1,470,000 0.73% $14,802,900
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 2.9% 1,275,000 0.02% $12,839,250
Governors Lane LP 2.5% 1,100,000 1% $11,071,500
Blackstone Inc. 2.3% 1,000,000 0.04% $10,060,000
Allianz Asset Management GmbH 2.3% 1,000,000 0.01% $10,070,000
Magnetar Financial LLC 2.3% 1,000,000 0.1% $10,070,000
Ghisallo Capital Management LLC 2.3% 1,000,000 0.45% $10,070,000
Zimmer Partners, LP 1.8% 800,000 0.21% $8,052,000
Davidson Kempner Capital Management LP 1.7% 750,000 0.17% $7,548,750
Polar Asset Management Partners Inc. 1.7% 750,000 0.15% $7,548,750
PICTON MAHONEY ASSET MANAGEMENT 1.6% 700,000 0.08% $7,045,500
Linden Advisors LP 1.4% 600,000 0.04% $6,042,000
Schonfeld Strategic Advisors LLC 1.2% 545,511 0.03% $5,490,568
TWO SIGMA INVESTMENTS, LP 1.2% 539,186 0.01% $5,426,907
Decagon Asset Management LLP 1.2% 524,380 2.2% $5,277,884
LMR Partners LLP 1.1% 500,000 0.05% $5,032,500
HGC Investment Management Inc. 1.1% 500,000 1.1% $5,032,500
Clear Street Group Inc. 1.1% 500,000 0.03% $5,032,500
MOORE CAPITAL MANAGEMENT, LP 1.1% 500,000 0.1% $5,032,500
BlueCrest Capital Management Ltd 1.1% 500,000 0.2% $5,035,000

Institutional Holders of Karbon Capital Partners Corp. - Class A Ordinary Shares, $0.0001 par value (KBONU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 33,848,514 $340,735,235 +$336,891,312 $10.06 56