Attestor Capital Ltd — 13F Holdings & Portfolio
CIK 1830731 · latest 13F-HR filed 2026-04-24
Attestor Capital Ltd manages $379.5M in 13F-reported U.S. long-equity assets across 9 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are TLN (38.88%), SATS (35.83%), GBTG (12.80%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 2, added to 4, and trimmed 3.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$379.5M
Long-equity book
9
Distinct positions
2026-03-31
Filed 2026-04-24
+1 / −2 / ↑4 / ↓3
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- TALEN ENERGY CORP$99.3M +184.2%
- ECHOSTAR CORP$87.2M +178.7%
- WESTERN DIGITAL CORP$10.5M +276.6%
- RXO INC$565.5K +15.7%
Top Trims
- GLOBAL BUSINESS TRAVEL GROUP-$19.4M -28.5%
- INVESCO QQQ TR-$327.4K -9.9%
- VANGUARD INDEX FDS-$280.8K -5.4%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | TALEN ENERGY CORP | TLN | 87422Q109 | $147.6M | 38.88% | 462,298 | SH |
| 2 | ECHOSTAR CORP | SATS | 278768106 | $136.0M | 35.83% | 1,161,754 | SH |
| 3 | GLOBAL BUSINESS TRAVEL GROUP | GBTG | 37890B100 | $48.6M | 12.80% | 8,878,004 | SH |
| 4 | SEAGATE TECHNOLOGY HLDNGS PL | STX | G7997R103 | $15.4M | 4.05% | 39,222 | SH |
| 5 | WESTERN DIGITAL CORP | WDC | 958102105 | $14.3M | 3.77% | 52,927 | SH |
| 6 | TALEN ENERGY CORP | TLN | 87422Q109 | $5.6M | 1.48% | 17,638 | SH |
| 7 | VANGUARD INDEX FDS | VOO | 922908363 | $4.9M | 1.29% | 8,218 | SH |
| 8 | RXO INC | RXO | 74982T103 | $4.2M | 1.10% | 285,600 | SH |
| 9 | INVESCO QQQ TR | QQQ | 46090E103 | $3.0M | 0.79% | 5,354 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-24 | $379.5M | 9 | 0000947871-26-000465 |
| 2025-12-31 | 2026-02-20 | $211.8M | 10 | 0000947871-26-000198 |