Vault-13

Teilinger Capital Ltd.

HOUSTON, TX · CIK 1531879 · 13F filing filed 2026-08-14

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

$151.4m reported value -2.5% vs Q1 2026
6positions
100.0%in top 10
0 new 4 added 1 reduced 1 sold out vs Q1 2026

Options: 2 call positions ($96.4m notional), 3 put positions ($466.4m notional) – listed below, not included above.

This report includes the holdings of 3 other managers that share the investment decisions:

Shares in two reports are counted once in each security's totals.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 XCEL ENERGY INC COM XEL XEL 670,000 $53.8m35.53% 35.53% AddedShares held: Q3 2025 205.0k, Q4 2025 355.0k, Q1 2026 660.0k, Q2 2026 670.0k +10.0k +10,000 1.5%
2 DTE ENERGY CO COM DTE DTE 340,000 $51.8m34.21% 34.21% AddedShares held: Q3 2025 0, Q4 2025 240.0k, Q1 2026 330.0k, Q2 2026 340.0k +10.0k +10,000 3.0%
3 PG&E CORP COM PCG PCG 1,750,000 $29.4m19.44% 19.44% AddedShares held: Q3 2025 300.0k, Q4 2025 0, Q1 2026 1.6m, Q2 2026 1.8m +150.0k +150,000 9.4%
4 NRG ENERGY INC COM NEW NRG NRG 70,000 $10.2m6.75% 6.75% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 35.0k, Q2 2026 70.0k +35.0k +35,000 100.0%
5 ALIBABA GROUP HLDG LTD SPONSORED ADS BABA BABA 64,300 $6.2m4.08% 4.08% ReducedShares held: Q3 2025 0, Q4 2025 15.0k, Q1 2026 118.3k, Q2 2026 64.3k -54.0k -54,004 -45.6%
6 NET POWER INC *W EXP 06/08/202 NPWR.WS NPWR.WS 25,000 $7.2k0.00% 0.00% UnchangedShares held: Q3 2025 25.0k, Q4 2025 25.0k, Q1 2026 25.0k, Q2 2026 25.0k

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
PPL CORP PPL PPL 170,000 $6.5m170.0k shares

Options (notional value)

UnderlyingTickerTypeShares controlled NotionalChange
SANDISK CORP SNDK · Put SNDKPut 95,900 $218.1m95.9k shares Reduced
ALIBABA GROUP HLDG LTD BABA · Put BABAPut 1,534,400 $147.3m1.5m shares Reduced
BLOOM ENERGY CORP BE · Put BEPut 334,000 $101.1m334.0k shares Reduced
ALIBABA GROUP HLDG LTD BABA · Call BABACall 985,100 $94.5m985.1k shares Reduced
BLOOM ENERGY CORP BE · Call BECall 6,000 $1.8m6.0k shares Reduced