GWSBX Performance — AMG GW&K Securitized Bond SMA Shares

Data updated: 2026-08-28

GWSBX returned +1.19% year to date and +5.29% over one year to Jun 2026. Over one year the fund beat its Intermediate Securitized Bond category average: $100 grew to $105, against $105 for the category. Volatility over the past 12 months was 3.15% a year. In the 12 months to Jun 2026 the fund took in a net $11.9M, and assets reached $122.60M.

GWSBX Growth of $100

What $100 invested in AMG GW&K Securitized Bond SMA Shares grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Securitized Bond category average over the same months.

PeriodGWSBXCategory average
1 year (Jul 2025 – Jun 2026)$105$105
Since data start (Jun 2025 – Jun 2026)$106$106

GWSBX Trailing Returns

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

PeriodTotal return
YTD+1.19%
1 year+5.29%

GWSBX Annual Returns

Calendar-year total returns of AMG GW&K Securitized Bond SMA Shares, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+1.19%
2025 (Jun–Dec)+4.88%

GWSBX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.5%+1.7%−1.7%+0.1%+0.2%+0.3%——————
2025—————+0.8%−0.3%+1.6%+1.2%+0.8%+0.6%+0.1%

GWSBX Risk

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

  • 1-year volatility (annualised): 3.15%
  • Best month: +1.70% (Feb 2026)
  • Worst month: −1.71% (Mar 2026)

GWSBX Fund Flows

Monthly money in and out of AMG GW&K Securitized Bond SMA Shares, from SEC Form N-PORT.

  • 12-month net flow: $11.9M
  • 12-month gross sales (incl. reinvestments): $33.5M
  • Sales ÷ redemptions: 1.55×
MonthSalesRedemptionsNet flow
Jun 2026$4.8M$1.4M$3.4M
May 2026$1.4M$987K$443K
Apr 2026$2.1M$1.0M$1.1M
Mar 2026$866K$1.3M−$443K
Feb 2026$2.6M$412K$2.2M
Jan 2026$1.8M$4.5M−$2.7M
Dec 2025$1.4M$1.5M−$90K
Nov 2025$1.5M$3.8M−$2.2M
Oct 2025$1.6M$430K$1.2M
Sep 2025$5.1M$5.2M−$104K
Aug 2025$1.7M$678K$992K
Jul 2025$8.5M$458K$8.1M

GWSBX Assets Under Management

Net assets of AMG GW&K Securitized Bond SMA Shares by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$122.60M
2026-03-31$118.34M
2025-12-31$120.15M
2025-09-30$121.41M
2025-06-30$111.11M

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 Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date.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.