Data as of Oct 28, 2026.
TLT vs VGLT: Differences, Returns & Fees
TLT's duration was 15.1 years on Aug 31, 2026 and VGLT's 13.5 on May 31, 2026; VGLT charges 0.03% to TLT's 0.15%.
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Net assets: $47.4bn on Oct 27, 2026 for iShares 20+ Year Treasury Bond ETF, and $10.4bn on Sep 30, 2026 for Vanguard Long-Term Treasury ETF.
Pair scorecard
VGLT costs 0.12 points a year less; their one-year returns differ by 1.2 points; TLT is 4.4 times larger.
| Measure | TLT | VGLT |
|---|---|---|
| Return | ||
| Total return, 1 year | −7.9% | −6.7% |
| Drawdown | ||
| Below its high | 42.6%, high on Aug 4, 2020 | 38.8%, high on Aug 4, 2020 |
| Benchmark | ||
| What it tracks | ICE U.S. Treasury 20+ Year Bond Index | Bloomberg U.S. Long Treasury Index |
| Cost and size | ||
| Expense ratio | 0.15% | 0.03% |
| Net assets, as of Sep 30, 2026 | $46.2bn | $10.4bn |
| Holdings | ||
| Holdings in common | 51% | |
Holdings in common uses holdings dated May 31, 2026 and Aug 31, 2026. Method
Risk and return
Dec 4, 2009 to Oct 23, 2026 · 881 weekly returnsEach against its own benchmark: TLT against BBLB, Apr 28, 2023 to Oct 23, 2026; VGLT against SCHQ, Oct 18, 2019 to Oct 23, 2026.
VGLT returned slightly more: +46.2% to +43.5%. VGLT swung slightly less: 12.7% to 13.9%. VGLT fell slightly less at its worst: −45.6% to −47.8%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | TLT | VGLT | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +43.5% | +46.2% | VGLT (slight) | Price change plus distributions, reinvested. |
| Annualized | +2.2% | +2.3% | VGLT (slight) | Total return as a yearly rate. |
| Price return | −12.9% | −13.0% | Tie | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 13.9% | 12.7% | VGLT (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 9.9% | 9.1% | VGLT (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −47.8% | −45.6% | VGLT (slight) | Deepest fall from a high to the low after it. |
| Upside capture | 102.4% | 99.5% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 101.2% | 99.8% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 1.01 | 1.00 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 1.00 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.11 | 0.12 | VGLT (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 0.16 | 0.17 | VGLT (slight) | Return above Treasury bills per unit of downside deviation. |
| Treynor | −0.072 | −0.058 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.05 | 0.05 | VGLT (slight) | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | BBLB | SCHQ | The ETF each fund is measured against. | |
| Alpha | 0.0% a year | 0.0% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | −0.01 | −0.24 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −0.8% to +0.8% | −0.4% to +0.3% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | −0.10 | −0.04 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 0.7% | 0.5% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 881 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, TLT and VGLT hold 51% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Aug 31, 2026.
half
51% in common
Only in one fund ↓
Side by side
TLT and VGLT on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
TLT and VGLT are built for the same job. How do they differ in cost, holdings and results?
- What each follows. TLT follows ICE U.S. Treasury 20+ Year Bond Index and VGLT follows Bloomberg U.S. Long Treasury Index.
- Cost. TLT charges 0.15% of assets a year and VGLT 0.03%, a gap of 0.12 points.
- Size. TLT has $46.2bn in net assets and VGLT $10.4bn (net assets, as of Sep 30, 2026); TLT is 4.4 times larger.
Data as of Oct 28, 2026.
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TLT
TLT tracks an index of 20+ year Treasuries. Over the year to Oct 28, 2026 it returned −7.9% with distributions reinvested, against −7.8% for its benchmark, the ICE U.S. Treasury 20+ Year Bond Index. The prospectus expense ratio is 0.15% a year. It sat 42.6% below its high of Aug 4, 2020 on Oct 28, 2026.
VGLT
VGLT tracks an index of Long-term Treasury. Over the year to Oct 28, 2026 it returned −6.7% with distributions reinvested, against −6.7% for its benchmark, the Bloomberg U.S. Long Treasury Index. The prospectus expense ratio is 0.03% a year. It sat 38.8% below its high of Aug 4, 2020 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, TLT or VGLT?
- In the year to Oct 28, 2026, with distributions reinvested, TLT returned −7.9% and VGLT −6.7%.
- Which is cheaper, TLT or VGLT?
- VGLT is cheaper, by 0.12 percentage points a year. That is about $12 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, TLT against VGLT, data as of Oct 28, 2026. https://etfiq.com/compare/any/tlt-vs-vglt
ETFIQ. (Oct 28, 2026). TLT against VGLT. Retrieved from https://etfiq.com/compare/any/tlt-vs-vglt
[TLT against VGLT (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/tlt-vs-vglt)
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