Attestor Capital Ltd
Long book
$379.5M
Q1 2026
Positions
8
Top-10 weight
100%
concentration
Last quarter
+15.4%
SPY +14.8%
Turnover
30%
of book per quarter
Strategy in plain words
auto-generated from filingsAttestor Capital Ltd is a concentrated fundamental stock-picker, running a $379.5M US long book across 8 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: TALEN ENERGY CORP, ECHOSTAR CORP-A, GLOBAL BUSINESS TRAVEL GROUP, SEAGATE TECHNOLOGY HOLDINGS, WESTERN DIGITAL CORP.
We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q4 2025
-11.0%
Q1 2026
+15.4%
Sector allocation
Utilities 41%
Communications 37%
Industrials 14%
Other 4%
Technology 4%
Long book by quarter
What does Attestor Capital own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| TLN TALEN ENERGY CORP | Utilities | 479.9K | $153.2M | 40.4% | +233.7% |
| ECHO ECHOSTAR CORP-A | Communications | 1.2M | $136.0M | 35.8% | +158.7% |
| GBTG GLOBAL BUSINESS TRAVEL GROUP | Industrials | 8.9M | $48.6M | 12.8% | Held |
| STXN SEAGATE TECHNOLOGY HOLDINGS | — | 39.2K | $15.4M | 4.0% | New |
| WDC WESTERN DIGITAL CORP | Technology | 52.9K | $14.3M | 3.8% | +139.8% |
| RXO RXO INC | Industrials | 285.6K | $4.2M | 1.1% | Held |
13F filing history
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