BTIAX Performance — U.S. Treasury Index Fund

Data updated: 2025-05-27

BTIAX returned +4.08% over one year to Mar 2025. Annualised returns are −0.29% over 3 years and −1.91% over 5 years. The fund trailed its Alternative category average: $100 invested three years ago grew to $99, against $144 for the category, and to $104 over one year, against $129. Volatility over the past three years was 6.56% a year. In the 12 months to Mar 2025 the fund lost a net $7.4M, and assets reached $64.08M.

BTIAX Growth of $100

What $100 invested in U.S. Treasury Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Alternative category average over the same months.

PeriodBTIAXCategory average
1 year (Apr 2024 – Mar 2025)$104$129
3 years (Apr 2022 – Mar 2025)$99$144
5 years (Apr 2020 – Mar 2025)$91$177
Since data start (Jul 2019 – Mar 2025)$100$165

BTIAX Trailing Returns

Total returns to Mar 2025, from SEC N-PORT.

PeriodTotal return
1 year+4.08%
3 years (annualised)−0.29%
5 years (annualised)−1.91%

BTIAX Annual Returns

Calendar-year total returns of U.S. Treasury Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2025 (Jan–Mar)+2.65%
2024+0.40%
2023+3.90%
2022−12.59%
2021−2.43%
2020+7.80%
2019 (Jul–Dec)+1.50%

BTIAX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2025+0.5%+2.1%0.0%—————————
2024−0.3%−1.3%+0.7%−2.4%+1.5%+1.0%+2.2%+1.3%+1.2%−2.4%+0.8%−1.6%
2023+2.5%−2.3%+2.9%+0.5%−1.2%−0.7%−0.4%−0.5%−2.3%−1.2%+3.5%+3.4%
2022−1.9%−0.7%−3.1%−3.1%+0.1%−0.9%+1.6%−2.5%−3.4%−1.5%+2.7%−0.5%
2021−1.0%−2.2%−1.2%+0.8%+0.2%+0.8%+1.3%−0.1%−1.1%−0.1%+0.8%−0.5%
2020+2.4%+2.6%+3.1%+0.4%−0.2%+0.1%+1.1%−1.1%+0.1%−1.0%+0.4%−0.3%
2019——————−0.1%+3.4%−0.9%0.0%−0.3%−0.5%

BTIAX Risk

Risk measures from monthly returns over Apr 2022 – Mar 2025.

  • 3-year volatility (annualised): 6.56%
  • 3-year Sharpe ratio: -0.73 (vs 4.5% risk-free rate)
  • Best month: +3.45% (Nov 2023)
  • Worst month: −3.42% (Sep 2022)

BTIAX Fund Flows

Monthly money in and out of U.S. Treasury Index Fund, from SEC Form N-PORT.

  • 12-month net flow: −$7.4M
  • 12-month gross sales (incl. reinvestments): $27.4M
  • Sales ÷ redemptions: 0.79×
MonthSalesRedemptionsNet flow
Mar 2025$1.8M$1.4M$356K
Feb 2025$2.0M$7.1M−$5.1M
Jan 2025$2.3M$2.5M−$145K
Dec 2024$1.1M$7.4M−$6.3M
Nov 2024$2.3M$2.4M−$21K
Oct 2024$1.6M$2.6M−$970K
Sep 2024$2.4M$1.8M$564K
Aug 2024$8.3M$3.8M$4.5M
Jul 2024$1.8M$1.4M$443K
Jun 2024$769K$1.5M−$715K
May 2024$1.8M$2.2M−$396K
Apr 2024$1.1M$797K$348K

BTIAX Assets Under Management

Net assets of U.S. Treasury Index Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2025-03-31$64.08M
2024-12-31$67.73M
2024-09-30$78.01M
2024-06-28$69.67M
2024-03-28$71.03M
2023-12-29$73.71M
2023-09-29$71.10M
2023-06-30$80.32M
2023-03-31$81.13M
2022-12-30$76.44M
2022-09-30$77.65M
2022-06-30$82.49M

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.