TLT Performance — iShares 20+ Year Treasury Bond ETF

Data updated: 2026-07-24

TLT returned −0.25% year to date and +3.89% over one year to May 2026. Annualised returns are −1.98% over 3 years and −6.08% over 5 years. The fund trailed its Long-Term Government Bond category average: $100 invested three years ago grew to $94, against $104 for the category, and to $104 over one year, against $106. Volatility over the past three years was 13.72% a year. In the 12 months to May 2026 the fund lost a net $7.9B, and assets reached $42.91B.

TLT Growth of $100

What $100 invested in iShares 20+ Year Treasury Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Long-Term Government Bond category average over the same months.

PeriodTLTCategory average
1 year (Jun 2025 – May 2026)$104$106
3 years (Jun 2023 – May 2026)$94$104
5 years (Jun 2021 – May 2026)$73$86
Since data start (Sep 2019 – May 2026)$71$89

TLT Trailing Returns

Total returns to May 2026, from SEC N-PORT.

PeriodTotal return
YTD−0.25%
1 year+3.89%
3 years (annualised)−1.98%
5 years (annualised)−6.08%

TLT Annual Returns

Calendar-year total returns of iShares 20+ Year Treasury Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–May)−0.25%
2025+4.17%
2024−7.84%
2023+2.97%
2022−31.41%
2021−4.76%
2020+17.93%
2019 (Sep–Dec)−6.80%

TLT Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026−0.1%+4.5%−4.1%−0.9%+0.5%———————
2025+0.5%+5.6%−1.3%−1.4%−3.1%+2.6%−1.0%−0.1%+3.6%+1.4%+0.2%−2.5%
2024−2.3%−2.2%+0.9%−6.4%+2.9%+1.7%+3.6%+2.2%+1.9%−5.4%+1.9%−6.2%
2023+7.8%−4.9%+4.8%+0.4%−3.0%+0.2%−2.5%−3.1%−8.0%−5.4%+9.9%+8.6%
2022−3.9%−1.6%−5.4%−9.5%−2.2%−1.4%+2.6%−4.6%−8.2%−6.3%+7.3%−2.8%
2021−3.7%−5.8%−5.2%+2.4%+0.1%+4.4%+3.7%−0.3%−2.9%+2.4%+2.9%−2.1%
2020+7.0%+6.9%+7.1%+1.1%−2.1%+0.2%+4.4%−4.6%+0.5%−3.1%+1.3%−1.2%
2019————————−2.7%−0.9%−0.5%−2.9%

TLT Risk

Risk measures from monthly returns over Jun 2023 – May 2026.

  • 3-year volatility (annualised): 13.72%
  • 3-year Sharpe ratio: -0.47 (vs 4.5% risk-free rate)
  • Best month: +9.88% (Nov 2023)
  • Worst month: −7.97% (Sep 2023)

TLT Fund Flows

Monthly money in and out of iShares 20+ Year Treasury Bond ETF, from SEC Form N-PORT.

  • 12-month net flow: −$7.9B
  • 12-month gross sales (incl. reinvestments): $47.3B
  • Sales ÷ redemptions: 0.86×
MonthSalesRedemptionsNet flow
May 2026$4.1B$4.2B−$91.4M
Apr 2026$3.5B$2.7B$823.8M
Mar 2026$5.6B$6.4B−$775.8M
Feb 2026$2.5B$4.1B−$1.6B
Jan 2026$2.3B$4.5B−$2.2B
Dec 2025$4.6B$5.2B−$627.8M
Nov 2025$3.4B$3.3B$107.8M
Oct 2025$4.2B$3.8B$331.8M
Sep 2025$5.6B$5.8B−$195.5M
Aug 2025$3.9B$4.6B−$749.2M
Jul 2025$4.7B$4.5B$170.1M
Jun 2025$3.0B$6.1B−$3.0B

TLT Assets Under Management

Net assets of iShares 20+ Year Treasury Bond ETF by report date, from SEC N-PORT filings.

Report dateNet assets
2026-05-31$42.91B
2026-02-28$45.43B
2025-11-30$49.72B
2025-08-31$47.48B
2025-05-31$50.90B
2025-02-28$53.27B
2024-11-30$59.70B
2024-08-31$62.04B
2024-05-31$47.68B
2024-02-29$49.84B
2023-11-30$45.87B
2023-08-31$40.73B

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.