Colorado Bridge & Tunnel Enterprise COLORADO BRIDGE & TUNNEL ENTERPRISE CO

Colorado Bridge & Tunnel Enterprise COLORADO BRIDGE & TUNNEL ENTERPRISE CO is a security (CUSIP 19633TAZ4) tracked across SEC portfolio filings. 3 registered fund positions totaling $6.6M via N-PORT as of 2026-05-31.

Summary

Issuer: Colorado Bridge & Tunnel Enterprise
Class: COLORADO BRIDGE & TUNNEL ENTERPRISE CO
CUSIP: 19633TAZ4
Asset category: DBT
13F holders: 0
N-PORT fund positions: 3
N-PORT value: $6.6M
N-PORT report: 2026-05-31

Top fund holders (N-PORT)

Fund	Registrant	Value	% of fund
BlackRock Strategic Municipal Opportunities Fund	BlackRock Municipal Series Trust	$3.2M	9.51%
Nuveen AMT-Free Quality Municipal Income Fund	Nuveen AMT-Free Quality Municipal Income Fund	$2.5M	7.29%
Nuveen Dynamic Municipal Opportunities Fund	Nuveen Dynamic Municipal Opportunities Fund	$888K	14.19%

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