---
ticker: "LFAI"
name: "Stone Ridge Trust - LifeX 2050 Longevity Income ETF"
url: "https://etf.net/etf/LFAI"
grade: "D"
score: 28
graded_at: "2026-10-12"
category: "Defined-Maturity Treasury"
category_rank: "26 of 31"
methodology: "https://etf.net/methodology"
---

# LFAI: Stone Ridge Trust - LifeX 2050 Longevity Income ETF

Grade **D**, Score 28 of 100. Rank 26 of 31 in Defined-Maturity Treasury.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 10 | 25 of 31 |
| Mission | 20 | 14 of 23 |
| Risk | 44 | 15 of 29 |
| Tradability | 40 | 22 of 31 |
| Holdings | 60 | 17 of 31 |
| Durability | 35 | 22 of 31 |

## Top holdings

The fund holds 23 positions. These are the largest 23, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | — | United States Treasury Note/Bond 4.5% 02/15/2044 | 18.55% |
| 2 | — | United States Treasury Note/Bond 4.75% 02/15/2037 | 15.97% |
| 3 | — | United States Treasury Note/Bond 2.375% 11/15/2049 | 15.70% |
| 4 | — | United States Treasury Note/Bond 4.125% 08/15/2044 | 15.66% |
| 5 | — | United States Treasury Note/Bond 3.125% 08/31/2029 | 4.86% |
| 6 | — | United States Treasury Note/Bond 3.75% 08/31/2031 | 4.32% |
| 7 | — | United States Treasury Note/Bond 3.625% 08/31/2030 | 3.85% |
| 8 | — | United States Treasury Note/Bond 4.25% 03/31/2033 | 3.53% |
| 9 | — | United States Treasury Note/Bond 2.75% 08/15/2032 | 3.42% |
| 10 | — | United States Treasury Note/Bond 3.875% 08/15/2034 | 3.35% |
| 11 | — | United States Treasury Note/Bond 1.375% 11/15/2040 | 2.10% |
| 12 | — | United States Treasury Note/Bond 1.25% 05/31/2028 | 1.75% |
| 13 | — | United States Treasury Note/Bond 4.25% 08/15/2035 | 1.73% |
| 14 | — | United States Treasury Note/Bond 3.375% 09/15/2028 | 1.31% |
| 15 | — | Cash & Other | 0.81% |
| 16 | — | MSILF Government Portfolio 12/31/2031 | 0.62% |
| 17 | — | First American Government Obligations Fund 12/01/2031 | 0.62% |
| 18 | — | United States Treasury Note/Bond 3.875% 03/31/2028 | 0.59% |
| 19 | — | United States Treasury Note/Bond 4% 02/15/2034 | 0.40% |
| 20 | — | United States Treasury Note/Bond 4.625% 05/15/2054 | 0.39% |
| 21 | — | United States Treasury Note/Bond 4.75% 08/15/2055 | 0.19% |
| 22 | — | United States Treasury Note/Bond 4.5% 11/15/2033 | 0.16% |
| 23 | — | United States Treasury Note/Bond 3.5% 10/15/2028 | 0.12% |

Source: etf.net, https://etf.net/etf/LFAI. Please cite the page URL.