Security key
G53157106
KPET Ultra Paceline Corp - Class A Ordinary Shares, par value $0.0001 per share (KPET)
CUSIP: G53157106
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Class A Ordinary Shares, par value $0.0001 per share
- Total 13F shares
- 17,648,925
- Total 13F value
- $176,131,410
- Share change
- +17,214,621
- SEC-reported price per share
- $9.98
- Number of holders
- 37
- Value change
- +$171,797,056
- Number of buys
- 36
- Shares outstanding
- 23,225,806
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
37
Top holders
10
KPET full security history
Ownership snapshot
Full 13F holder table
KPET Ultra Paceline Corp SEC filings
KPET Ultra Paceline Corp company facts
Broader feeds
Reporting periods
Holder history for CUSIP G53157106
Recent filing periods:
Ownership snapshot
Top reported holders of KPET - KPET Ultra Paceline 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
1/3
Latest evidence
30 Jun 2026
13D/G
3/4/5
Lead comparable stake: 7.8%
2 rows are not safely comparable across share classes.
13D/G row: Adage Capital Management, L.P.
Quick read
Adage Capital Management, L.P. leads the comparable SEC ownership view at 7.8%.
1 of 3 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 1
Adage Capital Management, L.P.
7.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-3 of 3 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Adage Capital Management, L.P. |
13D/G
|
7.8%
|
$17,964,000
1,800,000 shares
|
$0 | 30 Jun 2026 |
| Karl Mr. Peterson |
3/4/5
Chairman and CEO, Director, 10%+ Owner
|
—
class O/S missing
|
—
235,000 shares
|
— | 01 Apr 2026 |
| KPThree Capital LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
235,000 shares
|
— | 01 Apr 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.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
37
Shares
17,648,925
Rows available
37
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
0
Q2 2026 holders
37
Holder diff
37
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend