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AllianceBernstein National Municipal Income Fund

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AllianceBernstein National Municipal Income Fund

AFB·NYSE·Unknown·CIK 0001162027

AllianceBernstein National Municipal Income Fund, Inc. is a closed-ended fixed income mutual fund managed by AllianceBernstein L.P. The fund invests in the fixed income markets of the United States, primarily focusing on investment-grade municipal securities. These securities pay interest that is exempt from federal income tax. The fund aims to invest in bonds rated Baa/BBB or higher. It utilizes both quantitative and fundamental analysis to construct its investment portfolio. AllianceBernstein National Municipal Income Fund, Inc. was established on November 9, 2001, and is based in the United States.

AllianceBernstein National Municipal Income Fund (NYSE:AFB) is a publicly traded company in the Unknown sector. Wiseek has independently scored 6 items for AFB at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-07-16, rated 7/10. Across its 6 most recent items scored 7 or higher, the top rating is 7/10. Recent SEC coverage for AFB spans SCHEDULE 13D, SCHEDULE 13D/A.

Recent high-impact activity:

  • Karpus Management Reveals 12.56% Stake in AllianceBernstein National Municipal Income Fund
  • Saba Capital Management Continues to Reduce Stake in AllianceBernstein National Municipal Income Fund
  • Saba Capital Reduces Stake to 5.54% with Over $3.3M in Recent Sales
  • Saba Capital Further Reduces Stake in AllianceBernstein National Municipal Income Fund
  • Saba Capital Further Reduces Stake in AllianceBernstein Fund by $4.3 Million

Short Interest & Short Volume

1.00 days to cover

FINRA reported short interest of 65,959 shares in AFB as of the September 15, 2026 settlement, a 23.2% decrease from the prior period — about 1.0 days to cover at its recent average daily volume. On October 2, 2026, 18.0% of AFB volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)65,959 shares as of September 15, 2026
Change vs prior period▼ 23.2%
Days to cover1.00 at avg daily volume of 91,469
Daily short volume (FINRA facilities)18.0% of 116,016 shares on October 2, 2026
5-day average short volume33.4%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

$9.59
52-week range · as of 2026-07-16 $9.59 – $11.5
Market cap
$275.66M
Volume
172.7K (1.5× avg)
3-mo avg 113.7K
Live data · 2026-10-05 03:36 UTC · Market closed

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feed AFB - Latest Insights

AFB
Jul 16, 2026, 2:45 PM EDT
Filing Type: SCHEDULE 13D
Importance Score:
7
Price at Filing: $11.21
Real-time Price: $9.59 info
Change: -$1.62 (-14%) info
Market Cap: $275.664M info
AFB
Feb 18, 2026, 1:28 PM EST
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $11.05
Real-time Price: $9.59 info
Change: -$1.46 (-13%) info
Market Cap: $275.664M info
AFB
Feb 11, 2026, 6:48 PM EST
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $11.04
Real-time Price: $9.59 info
Change: -$1.45 (-13%) info
Market Cap: $275.664M info
AFB
Jan 30, 2026, 7:35 PM EST
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $10.94
Real-time Price: $9.59 info
Change: -$1.35 (-12%) info
Market Cap: $275.664M info
AFB
Jan 28, 2026, 12:26 PM EST
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $10.91
Real-time Price: $9.59 info
Change: -$1.32 (-12%) info
Market Cap: $275.664M info
AFB
Jan 08, 2026, 4:41 PM EST
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $10.85
Real-time Price: $9.59 info
Change: -$1.26 (-12%) info
Market Cap: $275.664M info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets