Attestor Capital Ltd

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 4, 2026), Attestor Capital Ltd reported 4 stock positions worth $350.1 million. Its top holding was Talen Energy (TLN) at 64.5% of the portfolio, followed by Echostar Class A (ECHO, 30.0%) and Amazon.com (AMZN, 3.3%). Compared with Q1 2026, it opened 1 new position, sold out of 5, added to 1 and reduced 1. The biggest buy was Talen Energy (TLN, shares +22%) and the biggest sale an exit from Global Business Travel (GBTG).

Most Recent 13F
Q2 2026
Location
Grand Cayman, E9
CIK
0001830731
Portfolio Value
$350.1M (Q2 2026)
SEC Filing
0000947871-26-000741 ↗ filed Aug 4, 2026

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q4 2025: $211.8M Q4 2025 Q1 2026: $379.5M Q1 2026 Q2 2026: $350.1M $350.1M Q2 2026

Holdings 4 stocks · $350.1M

TLN Talen Energy Corp. 64.48% 587,470 $225.7M Add +22.4%
ECHO Echostar Corp. Class A 29.98% 1,034,294 $105.0M Reduce -11.0%
AMZN Amazon.com Inc. 3.29% 48,300 $11.5M New
RXO Rxo Inc. 2.25% 285,600 $7.9M No change

Portfolio Sells Q1 2026 → Q2 2026

GBTG Global Business Travel Group Sold out 0.00% −12.80
ECHO Echostar Corp. Class A Reduce -11.0% 29.98% −5.85
STX Seagate Technology Holdings Sold out 0.00% −4.05
WDC Western Digital Corp. Sold out 0.00% −3.77
VOO Vanguard S&P 500 ETF Sold out 0.00% −1.29
QQQ Invesco QQQ Trust Series 1 Sold out 0.00% −0.79

Portfolio Buys Q1 2026 → Q2 2026

TLN Talen Energy Corp. Add +22.4% 64.48% +24.11
AMZN Amazon.com Inc. New 3.29% +3.29

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 4$350.1MTLN, ECHO, AMZN, RXO
Q1 2026 8$379.5MTLN, ECHO, GBTG, STX, WDC
Q4 2025 9$211.8MGBTG, TLN, ECHO, V, GOOGL