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ISSUER PROFILE · CIK 0001162027 · CUSIP 01864U106

ALLIANCEBERNSTEIN NATIONAL MUNICIPAL INCOME FUNDAFB

5 13D/G filings 2 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
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Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
5
2 SCHEDULE · 3 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.32
as of 2026-05-29

13D/G Filings Timeline · 5 total

FiledFormFilerStakeSharesIntent
2026-01-28 SCHEDULE Saba Capital Management, L.P. 7.92% 2,277,251 view →
2026-01-08 SCHEDULE Saba Capital Management, L.P. 9.30% 2,674,609 view →
2024-01-11 SC Saba Capital Management, L.P. view →
2019-08-30 SC BANK OF AMERICA CORP /DE/ view →
2019-03-18 SC BANK OF AMERICA CORP /DE/ view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 133,635 1.32 +49.0%
2026-05-15 89,716 1.00 -22.5%
2026-04-30 115,816 1.00 +151.7%
2026-04-15 46,010 1.00 -38.4%
2026-03-31 74,743 1.00 -9.7%
2026-03-13 82,765 1.00 +168.4%
2026-02-27 30,832 1.00 +34.2%
2026-02-13 22,973 1.00 +20.5%
2026-01-30 19,071 1.00 +3.8%
2026-01-15 18,375 1.00 +2.8%
2025-12-31 17,875 1.00 +9.8%
2025-12-15 16,287 1.00 -83.0%

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