SSFCX Performance — State Street Aggregate Bond Index Fund, Class A

Data updated: 2026-08-28

SSFCX returned −20.14% year to date and −34.72% over one year to Jun 2026. Over one year the fund trailed its Core Bond category average: $100 grew to $65, against $107 for the category. Volatility over the past 12 months was 2.91% a year. In the 12 months to Jun 2026 the fund took in a net $1.1B, and assets reached $3.37B.

SSFCX Growth of $100

What $100 invested in State Street Aggregate Bond Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Core Bond category average over the same months.

PeriodSSFCXCategory average
1 year (Jul 2025 – Jun 2026)$65$107
3 years (Jul 2023 – Jun 2026)$29$120
5 years (Jul 2021 – Jun 2026)$10$112
Since data start (Jul 2019 – Jun 2026)$4$126

SSFCX Trailing Returns

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

PeriodTotal return
YTD−20.14%
1 year−34.72%

3- and 5-year figures withheld: returns differ from sibling classes.

SSFCX Annual Returns

Calendar-year total returns of State Street Aggregate Bond Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)−20.14%
2025−29.92%
2024−36.14%
2023−33.53%
2022−45.37%
2021−38.18%
2020−32.17%
2019 (Jul–Dec)−18.88%

SSFCX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026−3.6%−2.2%−5.5%−3.7%−3.5%−3.6%——————
2025−3.3%−1.7%0.0%−3.4%−4.5%−2.3%−4.0%−2.6%−2.7%−3.2%−3.2%−4.0%
2024−4.0%−5.1%−3.0%−6.2%−2.1%−2.9%−1.5%−2.4%−2.5%−6.2%−2.7%−5.4%
2023−0.7%−6.3%−1.3%−3.2%−4.8%−4.1%−3.9%−4.4%−6.2%−5.3%+0.5%−0.2%
2022−5.9%−4.9%−6.5%−7.5%−3.1%−5.3%−1.4%−6.5%−8.0%−5.1%−0.2%−4.4%
2021−4.5%−5.2%−5.0%−3.0%−3.5%−3.1%−2.7%−4.0%−4.6%−3.8%−3.5%−4.0%
2020−1.9%−2.1%−4.3%−1.9%−3.3%−3.2%−2.4%−4.6%−3.8%−4.2%−2.9%−3.7%
2019——————−3.6%−1.3%−4.3%−3.5%−4.0%−3.9%

SSFCX Risk

Risk measures from monthly returns over Jul 2025 – Jun 2026.

  • 1-year volatility (annualised): 2.91%
  • Best month: −2.21% (Feb 2026)
  • Worst month: −5.49% (Mar 2026)

SSFCX Fund Flows

Monthly money in and out of State Street Aggregate Bond Index Fund, from SEC Form N-PORT.

  • 12-month net flow: $1.1B
  • 12-month gross sales (incl. reinvestments): $1.9B
  • Sales ÷ redemptions: 2.46×
MonthSalesRedemptionsNet flow
Jun 2026$304.6M$393.9M−$89.4M
May 2026$224.0M$55.4M$168.6M
Apr 2026$94.0M$41.8M$52.2M
Mar 2026$247.6M$31.2M$216.4M
Feb 2026$73.3M$18.6M$54.7M
Jan 2026$85.7M$64.8M$20.9M
Dec 2025$178.1M$20.9M$157.2M
Nov 2025$76.8M$22.0M$54.8M
Oct 2025$133.0M$35.9M$97.1M
Sep 2025$313.0M$17.8M$295.1M
Aug 2025$74.1M$25.7M$48.5M
Jul 2025$90.0M$42.7M$47.3M

SSFCX Assets Under Management

Net assets of State Street Aggregate Bond Index Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$3.37B
2026-03-31$3.25B
2025-12-31$2.98B
2025-09-30$2.68B
2025-06-30$2.26B
2025-03-31$1.66B
2024-12-31$1.56B
2024-09-30$1.01B
2024-06-30$867.69M
2024-03-31$840.30M
2023-12-31$815.84M
2023-09-30$760.36M

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.