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SC 13G ·Filed Oct 2, 2026

DMB

BNY Mellon Municipal Bond Infrastructure Fund, Inc.
NEUTRAL
Impact 3/10
Horizonweeks Processed24d 1h ago SEC0000769317-26-000046
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any future conversion of this 13G to a 13D, which would signal activist intent. The stake is held across managed accounts, so flows could shift if SIT changes its allocation strategy.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+5d
DMB ▼ -0.85% at T+5d
NEUTRAL call -0.85% · α vs SPY -1.27% · entry $9.40 → $9.32
Next anchor: T+20d in 4d
Latest observation: T+14 +9.10% FF3 residual α
Entry = T+0 close
Oct 2, 2026
via day close
T+1d
+0.64%
call +0.64% · α +0.09%
$9.46
settled 21d ago
T+5d
-0.85%
call -0.85% · α -1.27%
$9.32
settled 17d ago
T+20d
Pending
in 4d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

SIT Investment Associates Inc. filed a Schedule 13G disclosing a passive 6.6% stake in BNY Mellon Municipal Bond Infrastructure Fund, Inc. (DMB) as of September 30, 2026. The filing indicates SIT Investment Associates and its subsidiary Sit Fixed Income Advisors II, LLC collectively hold 1,215,721 common shares. This is a new passive stake disclosure by this filer, replacing a prior passive filer (Allspring Global Investments Holdings, LLC) that had previously reported a stake.

Key Financial Metrics

Stake
6.6%
Investor
SIT INVESTMENT ASSOCIATES INC

Key Facts

  • SIT Investment Associates Inc. disclosed beneficial ownership of 1,215,721 shares of DMB common stock
  • The stake represents 6.6% of shares outstanding based on 18,405,973 shares outstanding as of 2/28/2006
  • Sit Fixed Income Advisors II, LLC, a subsidiary of SIT Investment Associates, also reports the same 1,215,721 shares
  • The filing is a passive Schedule 13G under Rule 13d-1(b), indicating no intent to influence management
  • The filer disclaims beneficial ownership of the securities held in client accounts

Financial Impact

Passive 6.6% stake in a closed-end municipal bond fund — no direct financial impact on the issuer's operations or NAV

Risk Factors

  • No material risks identified from this passive filing
  • The outstanding share count referenced (18,405,973) is from 2006 — actual current shares may differ, affecting the true percentage

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0000769317-26-000046
Document: 0000769317-26-000046-index.html0000769317-26-000046
Document: 0000769317-26-000046.txt0000769317-26-000046
8 reports for DMB
Performance horizon
Filters
Rows
Reports for DMB — sortable, filterable
TypeNow
Oct 14, 2026
12d ago
SC 13G/A
NEUTRAL ★ 2/10
$9.29awaiting T+20—$10.07 (+8.40%)
Oct 2, 2026
24d ago
SC 13G
NEUTRAL ★ 3/10
$9.40awaiting T+20—$10.07 (+7.13%)
Aug 21, 2026
9w ago
DEFA14A
NEUTRAL ★ 3/10
$10.48 $9.90▼ −5.53%▼ −5.01%$10.07 (−3.91%)
Aug 19, 2026
9w ago
DEFA14A
NEUTRAL ★ 2/10
$10.63 $9.93▼ −6.59%▼ −4.63%$10.07 (−5.27%)
Aug 11, 2026
10w ago
DEFA14A
NEUTRAL ★ 3/10
$10.61 $10.32▼ −2.73%▼ −1.67%$10.07 (−5.09%)
Aug 10, 2026
11w ago
DEFA14A
NEUTRAL ★ 2/10
$10.61 $10.32▼ −2.73%▼ −1.67%$10.07 (−5.09%)
Aug 10, 2026
11w ago
DEFA14A
NEUTRAL ★ 2/10
$10.62 $10.41▼ −1.98%▼ −1.06%$10.07 (−5.18%)
Jul 22, 2026
13w ago
DEFA14A
NEUTRAL ★ 2/10
$10.81 $10.63▼ −1.67%▼ −4.56%$10.07 (−6.85%)
Showing 8 of 8

US Market Status

Market Closed — Opens Tue (< 1m)

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Report published Oct 2, 2026