Endurance Services Ltd
Long book
$593.8M
Q1 2026
Positions
8
Top-10 weight
100%
concentration
Last quarter
+9.8%
SPY +14.8%
Turnover
25%
of book per quarter
Strategy in plain words
auto-generated from filingsEndurance Services Ltd is a wealth-management firm allocating client money, running a $593.8M US long book across 8 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: ISHARES CORE S&P 500 ETF, ISHR IBX USD HIYLD CB ETF-UI, INVESCO S&P 500 EQUAL WEIGHT, DIRX NASDAQ-100EQ WI ETF-USD, JANUS HENDERSON AAA CLO ETF.
Over the last 9 quarters its long book ran on average 1.5pp per quarter behind the S&P 500, beating the index in 2 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+1.1%
Q2 2024
+5.6%
Q3 2024
+1.1%
Q4 2024
-1.5%
Q1 2025
+7.2%
Q2 2025
+4.6%
Q3 2025
+1.8%
Q4 2025
-2.4%
Q1 2026
+9.8%
Sector allocation
No sector data
Long book by quarter
What does Endurance Services own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 13, 2026 | 8 | $593.8M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 11, 2026 | 6 | $565.0M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 12, 2025 | 14 | $597.1M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 14 | $574.3M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 14, 2025 | 14 | $539.6M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 11, 2025 | 17 | $596.9M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 17 | $597.0M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR/ANEW HOLDINGS | Nov 14, 2024 | 2 | $64.6M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 12, 2024 | 9 | $470.5M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR/ANEW HOLDINGS | Nov 14, 2024 | 2 | $65.0M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 9 | $452.4M | canonical | SEC ↗ |