Largest positions
| Issuer | Class | Value | Share |
|---|---|---|---|
| X-energy Inc.COM CL A | COM CL A | $266M | 53.6% |
| Vistra Corp.COM | COM | $46.9M | 9.5% |
| Amentum Holdings Inc.COM | COM | $42.1M | 8.5% |
| Constellation Energy Corp.COM | COM | $31.8M | 6.4% |
| Duke Energy Corp. New (put option)COM NEW | COM NEW | $31.6M | 6.4% |
| Constellation Energy Corp. (call option)COM | COM | $24.8M | 5.0% |
| NRG Energy Inc.COM NEW | COM NEW | $19M | 3.8% |
| Flowserve Corp.COM | COM | $16.5M | 3.3% |
| Terra Innovatum Global NVORD SHS | ORD SHS | $12.9M | 2.6% |
| Amentum Holdings Inc. (call option)COM | COM | $4.13M | 0.8% |
- Class
- COM CL A
- Share
- 53.6%
- Class
- COM
- Share
- 9.5%
- Class
- COM
- Share
- 8.5%
- Class
- COM
- Share
- 6.4%
- Class
- COM NEW
- Share
- 6.4%
- Class
- COM
- Share
- 5.0%
- Class
- COM NEW
- Share
- 3.8%
- Class
- COM
- Share
- 3.3%
- Class
- ORD SHS
- Share
- 2.6%
- Class
- COM
- Share
- 0.8%
The share class is shown on a wider screen.
The 10 largest of 10 positions by value, with holdings of the same security combined. Share counts and quarter-on-quarter changes for each position are on EDGAR. View the full information table on EDGAR
This filing
- Form
- 13F-HR
- CIK
- 1607512
- File number
- 028-21767
- Options
- 2 call, 1 put
- In the 25 largest
- 100.0%
Common questions
What are Segra Capital Management’s 13F holdings worth?
$496 million across 10 positions for the quarter ended 30 June 2026.
What is Segra Capital Management’s largest 13F holding?
X-ENERGY INC (COM CL A) was the largest position at $266 million, or 53.6% of reported 13F value, as of 30 June 2026.
How concentrated is Segra Capital Management’s 13F portfolio?
The ten largest positions accounted for 100.0% of reported value and the twenty-five largest for 100.0%, across 10 positions as of 30 June 2026.
Does Form 13F show everything Segra Capital Management manages?
No. Form 13F covers only long positions in exchange-traded securities over which the manager has investment discretion, valued at quarter end. It excludes cash, most bonds, private funds, and any assets the firm does not have discretion over, so it is neither the firm's total assets nor any individual client's portfolio.
How often does Segra Capital Management file its 13F?
Every quarter. Managers file within 45 days of each quarter's end, so the figures are a snapshot that changes between filings. This page shows the quarter ended 30 June 2026.
Answered from this filing and the prior quarter's.