Endurance Services Ltd

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 14, 2025), Endurance Services Ltd reported 14 stock positions worth $539.6 million. Its top holding was Ste STR SPDR PT S&P 500 ETF (SPYM) at 34.5% of the portfolio, followed by Ishr Ibx Usd Hiyld CB ETF-Ui (HYG, 28.9%) and Goldman Sachs Eql WGHT Large (GSEW, 16.0%). Compared with Q4 2024, it opened 1 new position, sold out of 4 and added to 3. The biggest buy was Ste STR SPDR PT S&P 500 ETF (SPYM, shares +1257%) and the biggest sale an exit from iShares Core S&P 500 ETF (IVV).

Most Recent 13F
Q2 2026
Location
PURCHASE, NY
CIK
0002011025
Portfolio Value
$539.6M (Q1 2025)
SEC Filing
0002011025-25-000002 ↗ filed May 14, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $517.4M Q1 2024 Q2 2024: $535.2M Q2 2024 Q3 2024: $597.0M Q3 2024 Q4 2024: $596.9M Q4 2024 Q1 2025: $539.6M $539.6M Q1 2025 Q2 2025: $574.3M Q2 2025 Q3 2025: $597.1M Q3 2025 Q4 2025: $565.0M Q4 2025 Q1 2026: $593.8M Q1 2026 Q2 2026: $653.0M Q2 2026

Holdings 14 stocks · $539.6M
SPYM Ste STR SPDR PT S&P 500 ETF 34.50% 2,831,385 $186.2M Add +1256.7%
HYG Ishr Ibx Usd Hiyld CB ETF-Ui 28.93% 1,979,000 $156.1M Add +0.3%
GSEW Goldman Sachs Eql WGHT Large 16.04% 1,140,000 $86.5M New
JAAA Janus Henderson Aaa Clo ETF 5.64% 600,000 $30.4M Add +193.4%
QQQE Dirx Nasdaq-100EQ Wi ETF-Usd 5.61% 347,500 $30.3M No change
JPST JPMorgan Ultra-Short Income 3.89% 415,000 $21.0M No change
WCLD Wisdomtree Cloud Computing 2.13% 354,500 $11.5M No change
MBB iShares MBS ETF 1.00% 57,544 $5.4M No change
IGSB iShares 1-5Y Inv Grade Corp. 0.98% 100,582 $5.3M No change
IGIB iShares 5-10Y Inv Grade Corp. 0.30% 30,492 $1.6M No change
DCRE DBL Comm Real Est Debt 0.30% 30,750 $1.6M No change
ICLO Invesco Aaa Clo F/R Note ETF 0.24% 50,000 $1.3M No change
XTRE Bondbloxx BBG 3Y US TSY ETF 0.22% 24,250 $1.2M No change
XFIV Bondbloxx BBG 5 YR US Treas 0.22% 24,400 $1.2M No change

Portfolio Sells Q4 2024 → Q1 2025
IVV iShares Core S&P 500 ETF Sold out 0.00% −30.28
RSP Invesco S&P 500 Equal Weight Sold out 0.00% −14.90
BKLN Invesco Senior Loan ETF Sold out 0.00% −5.42
SRLN SS Blackstone Sr Loan ETF Sold out 0.00% −5.41

Portfolio Buys Q4 2024 → Q1 2025
SPYM Ste STR SPDR PT S&P 500 ETF Add +1256.7% 34.50% +32.09
GSEW Goldman Sachs Eql WGHT Large New 16.04% +16.04
JAAA Janus Henderson Aaa Clo ETF Add +193.4% 5.64% +3.90
HYG Ishr Ibx Usd Hiyld CB ETF-Ui Add +0.3% 28.93% +2.94

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 8$653.0MIVV, HYG, RSP, QQQE, JAAA
Q1 2026 8$593.8MIVV, HYG, RSP, QQQE, JAAA
Q4 2025 6$565.0MIVV, HYG, RSP, QQQE, JAAA
Q3 2025 14$597.1MIVV, HYG, RSP, QQQE, JAAA
Q2 2025 14$574.3MSPYM, HYG, GSEW, QQQE, JAAA
Q1 2025 14$539.6MSPYM, HYG, GSEW, JAAA, QQQE
Q4 2024 17$596.9MIVV, HYG, RSP, BKLN, SRLN
Q3 2024 17$597.0MIVV, HYG, RSP, SRLN, BKLN
Q2 2024Amended 11$535.2MIVV, HYG, RSP, BKLN, SRLN
Q1 2024Amended 11$517.4MIVV, HYG, RSP, USHY, SRLN