Q1 2026 13F · SEC CIK 1830731
Attestor Capital Ltd
Asset managerFiled 2026-04-24 for Q1 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $379.5M
- Reported positions
- 8
- Holdings vs S&P 500, 3 yrs
- —
- Average holding period
- 2 qtrs
Attestor Capital Ltd is an asset manager that reported 8 positions worth $379.5M in its Q1 2026 13F, filed 2026-04-24. Its largest holdings were Talen Energy Corp (TLN, 40.4%), EchoStar Corp (ECHO, 35.8%), Global Business Travel Group (GBTG, 12.8%).
Attestor Capital Ltd holdings all 8 positions.
Weights are shares of the filer's total reported 13F value, compared with Q4 2025. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| TLNTalen Energy Corp | 40.4% | +233.7% | $153.2M |
| ECHOEchoStar Corp | 35.8% | +158.7% | $136.0M |
| GBTGGlobal Business Travel Group | 12.8% | +0.0% | $48.6M |
| STXSeagate Technology Hldngs Pl | 4.0% | — | $15.4M |
| WDCWestern Digital Corp Com | 3.8% | +139.8% | $14.3M |
| VOOVanguard Index Fds | 1.3% | +0.0% | $4.9M |
| RXORxo Inc | 1.1% | +0.0% | $4.2M |
| QQQInvesco Qqq Tr | 0.8% | +0.0% | $3.0M |
What Attestor Capital Ltd bought and sold in Q1 2026, against Q4 2025.
New positions
- STX Seagate Technology Hldngs Pl4.0% of 13F
Added to
- TLN Talen Energy Corp+233.7% shares
- ECHO EchoStar Corp+158.7% shares
- WDC Western Digital Corp Com+139.8% shares
Reduced
No position shrank by more than 5%.
Sold out
- V Visa Incwas 8.9%
- GOOGL Alphabet Incwas 3.0%
Share counts compared with the Q4 2025 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- —
- 3 years
- —
- 5 years
- —
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q1 2026 | $379.5M | 8 |
| Q4 2025 | $211.8M | 9 |
Questions about Attestor Capital Ltd's portfolio
What stocks does Attestor Capital Ltd own?
Attestor Capital Ltd's latest 13F, for Q1 2026 and filed Apr 24, 2026, lists 8 positions worth $379.5M. The largest are Talen Energy Corp (TLN) at 40.4%, EchoStar Corp (ECHO) at 35.8%, Global Business Travel Group (GBTG) at 12.8%, Seagate Technology Hldngs Pl (STX) at 4.0% and Western Digital Corp Com (WDC) at 3.8%.
What did Attestor Capital Ltd buy last quarter?
In Q1 2026, Attestor Capital Ltd added a new position in Seagate Technology Hldngs Pl (STX), Talen Energy Corp (TLN) (+233.7% shares), EchoStar Corp (ECHO) (+158.7% shares) and Western Digital Corp Com (WDC) (+139.8% shares), compared with its Q4 2025 filing.
What did Attestor Capital Ltd sell last quarter?
In Q1 2026, Attestor Capital Ltd sold all of Visa Inc (V) and sold all of Alphabet Inc (GOOGL), compared with its Q4 2025 filing.
When is Attestor Capital Ltd's next 13F filing due?
13F filings are due 45 days after each quarter ends. Attestor Capital Ltd's filing for the quarter ending Jun 30, 2026 was due by Aug 14, 2026; this page updates once it is processed.