ALTBX Performance — AB National Portfolio, Class B
Data updated: 2026-09-25
In the 12 months to Jul 2026 the fund took in a net $96.5M, and assets reached $1.98B.
ALTBX Growth of $100
What $100 invested in AB National Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Municipal Bond category average over the same months.
| Period | ALTBX | Category average |
|---|---|---|
| Since data start (Sep 2019 – Oct 2019) | $99 | $99 |
ALTBX Annual Returns
Calendar-year total returns of AB National Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2019 (Sep–Oct) | −0.76% |
ALTBX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | — | — | — | — | — | — | — | — | −0.7% | −0.1% | — | — |
ALTBX Risk
Risk measures from monthly returns over Sep 2019 – Oct 2019.
- Best month: −0.05% (Oct 2019)
- Worst month: −0.71% (Sep 2019)
ALTBX Fund Flows
Monthly money in and out of AB National Portfolio, from SEC Form N-PORT.
- 12-month net flow: $96.5M
- 12-month gross sales (incl. reinvestments): $593.4M
- Sales ÷ redemptions: 1.19×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $40.5M | $45.6M | −$5.0M |
| Jun 2026 | $40.4M | $35.7M | $4.7M |
| May 2026 | $52.3M | $34.6M | $17.8M |
| Apr 2026 | $47.2M | $45.1M | $2.1M |
| Mar 2026 | $53.3M | $35.2M | $18.1M |
| Feb 2026 | $49.4M | $39.6M | $9.8M |
| Jan 2026 | $59.3M | $36.4M | $22.9M |
| Dec 2025 | $62.9M | $49.2M | $13.7M |
| Nov 2025 | $37.3M | $27.4M | $9.9M |
| Oct 2025 | $58.9M | $42.5M | $16.4M |
| Sep 2025 | $46.7M | $43.3M | $3.4M |
| Aug 2025 | $45.2M | $62.3M | −$17.2M |
ALTBX Assets Under Management
Net assets of AB National Portfolio by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $1.98B |
| 2026-05-31 | $2.00B |
| 2026-02-28 | $2.00B |
| 2025-11-30 | $1.92B |
| 2025-08-31 | $1.84B |
| 2025-05-31 | $1.85B |
| 2025-02-28 | $2.01B |
| 2024-11-30 | $2.03B |
| 2024-08-31 | $1.93B |
| 2024-05-31 | $1.85B |
| 2024-02-29 | $1.86B |
| 2023-11-30 | $1.77B |
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 Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date.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.