ZROZvsTLTETF Comparison
ETF 1
ZROZ
PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF
This fund is part of
US Government Bonds
-0.2%
VS
PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF (ZROZ) and iShares 20+ Year Treasury Bond ETF (TLT) belong to the same industry segment: US Government Bonds. ZROZ's top 1 sector exposures are Sovereign. In contrast, TLT's top sector exposures are Sovereign and Non-Corporate. Both ZROZ and TLT have the same Total Expense Ratio (TER) of 0.15%. ZROZ is down -14.94% year-to-date (YTD) with +$642M in YTD flows. TLT performs better with -8.12% YTD performance, and +$4.91B in YTD flows. Run a side-by-side ETF comparison of ZROZ and TLT below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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ZROZ vs TLT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ZROZ TLT | -9.10%-5.11% | -14.96%-8.42% | -14.94%-8.12% | -18.26%-9.46% | -14.16%+1.19% | -56.48%-36.13% |
| Flows | ZROZ TLT | +$444M+$2.78B | +$832M+$10.45B | +$642M+$4.91B | +$561M+$4.67B | +$1.50B+$14.53B | +$2.40B+$50.97B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ZROZ TLT | +17.07%+9.87% | +15.60%+9.32% | +21.49%+13.16% | +23.77%+15.44% |
| Max drawdown | ZROZ TLT | -14.96%-8.42% | -22.07%-12.02% | -32.48%-16.17% | -60.90%-43.68% |
| Max drawdown duration | ZROZ TLT | 89d89d | 345d215d | 746d746d | 1762d1762d |
Trading data
ZROZ | TLT | |
Last sale 10/5/2026 at 1:30 PM | $52.91 | $77.11 |
| Previous close 10/02/2026 | $53.42 | $77.48 |
| Consolidated volume 10/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 5, 2026
1-year trailing difference
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ZROZ | TLT | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/5/2026 at 1:30 PM
Live
Closed
ZROZ | TLT | |
|---|---|---|
| Last price | $52.91 | $77.11 |
| 1D performance | -0.95% | -0.48% |
| AuM | $1.92 B | $47.20 B |
| E/R | 0.15% | 0.15% |
Characteristics
ZROZ | TLT | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | PIMCO | iShares |
| Benchmark | ICE BofA Long US Treasury Principal STRIPS Index | ICE U.S. Treasury 20+ Year Bond Index |
| N° of holdings | 21 | 48 |
| Asset class | Bonds | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 30, 2009 | July 22, 2002 |
| ESG | No | No |
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Exposure
Countries
ZROZ
USA
95.56%
Other
4.44%
TLT
USA
99.66%
Other
0.34%
Sectors
ZROZ
Sovereign
95.56%
Other
4.44%
TLT
Sovereign
98.58%
Other
1.42%
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Diversification
ZROZ
Total weight of top 15 holdings out of 15
78.28%
TLT
Total weight of top 15 holdings out of 15
58.22%
Top 15 holdings
Data as of August 31, 2026
ZROZ
USA, STRIPS 0% 15feb2052, USD (10957D)
5.67%
USA, STRIPS 0% 15may2052, USD (10958D)
5.52%
USA, STRIPS 0% 15nov2051, USD (10957D)
5.42%
USA, STRIPS 0% 15aug2052, USD (10958D)
5.37%
USA, STRIPS 0% 15feb2053, USD (10958D)
5.35%
USA, STRIPS 0% 15nov2052, USD (10958D)
5.32%
USA, STRIPS 0% 15nov2053, USD (10958D)
5.32%
USA, STRIPS 0% 15aug2051, USD (10956D)
5.25%
USA, STRIPS 0% 15aug2053, USD (10958D)
5.23%
USA, STRIPS 0% 15may2053, USD (10958D)
5.23%
USA, STRIPS 0% 15feb2055, USD (10954D)
5.09%
USA, STRIPS 0% 15feb2056, USD (10955D)
4.99%
USA, STRIPS 0% 15nov2054, USD (10957D)
4.94%
USA, STRIPS 0% 15may2054, USD (10957D)
4.85%
USA, STRIPS 0% 15aug2055, USD (10957D)
4.73%
TLT
USA, Bonds 4.75% 15may2055, USD
4.51%
USA, Bonds 4.625% 15may2054, USD
4.28%
USA, Bonds 4.125% 15aug2053, USD
4.19%
USA, Bonds 4.75% 15feb2056, USD
4.14%
USA, Bonds 4.25% 15feb2054, USD
4.04%
USA, Bonds 5% 15may2056, USD
4.03%
USA, Bonds 4.75% 15nov2053, USD
3.98%
USA, Bonds 4.25% 15aug2054, USD
3.95%
USA, Bonds 4.625% 15nov2055, USD
3.85%
USA, Bonds 4.625% 15feb2055, USD
3.81%
USA, Bonds 4.5% 15nov2054, USD
3.80%
USA, Bonds 1.875% 15nov2051, USD
3.80%
USA, Bonds 2% 15aug2051, USD
3.35%
USA, Bonds 4.75% 15aug2055, USD
3.31%
USA, Bonds 3.625% 15may2053, USD
3.16%
Frequently asked questions about ZROZ and TLT
How have the ZROZ and TLT ETFs performed in 2026?
As of October 2, 2026, ZROZ is down -14.94% year-to-date (YTD), while TLT has lost -8.12%. That puts TLT better performer ahead so far this year.
Which ETF is attracting more investor money: ZROZ or TLT?
Year-to-date, the ZROZ ETF saw +$642M in flows, compared to +$4.91B for TLT.
Which ETF is more volatile: ZROZ or TLT?
Over the past year, ZROZ had a volatility of 15.6%, while TLT experienced 9.32%.
Which ETF is bigger: ZROZ or TLT?
As of October 2, 2026, ZROZ holds $1.92 B in assets under management (AUM), while TLT manages $47.20 B.
What sectors do the ZROZ and TLT ETFs invest in?
ZROZ leans toward sectors like Sovereign. Meanwhile, TLT focuses on Sovereign.
What are the top holdings of the ZROZ ETF and TLT ETF?
ZROZ top holdings include USA, STRIPS 0% 15feb2052, USD (10957D), USA, STRIPS 0% 15may2052, USD (10958D) and USA, STRIPS 0% 15nov2051, USD (10957D). TLT holds in its top three: USA, Bonds 4.75% 15may2055, USD, USA, Bonds 4.625% 15may2054, USD and USA, Bonds 4.125% 15aug2053, USD.
Which ETF is more diversified: ZROZ or TLT?
ZROZ holds 21 securities with 78.28% of its assets in the top 15. TLT has 48 securities and a top 15 weight of 58.22%.
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