DOSSIER · 13F Holders · Q1 2026
MYI

BLACKROCK MUNIYIELD INSURED FUND

162 institutions still hold BLACKROCK MUNIYIELD INSURED FUND as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09254E103·162 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$385M
visible holders
Holders
162
filers reporting
Concentration
15.50%
Karpus Management, Inc. #1
top holder share
AI Holders Summary · Q1 2026

162 institutions reported MYI in Q1 2026. Karpus Management, Inc. leads at 15.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Karpus Management, Inc.
CIK 0001048703
$60M5.7M1.86%Q1 2026
02
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$55M5.3M2.76%Q1 2026
03
MORGAN STANLEY
CIK 0000895421
$51M4.6M0.00%Q2 2026
04
SIT INVESTMENT ASSOCIATES INC
CIK 0000769317
$28M2.7M0.58%Q1 2026
05
GUGGENHEIM CAPITAL LLC
CIK 0001283072
$24M2.2M0.15%Q2 2026
06
Hennion & Walsh Asset Management, Inc.
CIK 0001861642
$22M2.3M0.65%Q3 2026
07
ROBINSON CAPITAL MANAGEMENT, LLC
CIK 0001599795
$18M1.6M7.95%Q2 2026
08
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$17M1.5M0.00%Q2 2026
09
UBS Group AG
CIK 0001610520
$17M1.5M0.00%Q2 2026
10
STIFEL FINANCIAL CORP
CIK 0000720672
$13M1.2M0.01%Q2 2026
11
BANK OF AMERICA CORP /DE/
CIK 0000070858
$13M1.2M0.00%Q2 2026
12
VAN ECK ASSOCIATES CORP
CIK 0000869178
$11M973K0.01%Q2 2026
13
Advisors Asset Management, Inc.
CIK 0001297376
$10M981K0.17%Q1 2026
14
Pathstone Holdings, LLC
CIK 0002011612
$8M733K0.02%Q2 2026
15
WELLS FARGO & COMPANY/MN
CIK 0000072971
$8M682K0.00%Q2 2026
16
Allspring Global Investments Holdings, LLC
CIK 0001890906
$7M593K0.01%Q2 2026
17
LPL Financial LLC
CIK 0001403438
$6M583K0.00%Q2 2026
18
CITY OF LONDON INVESTMENT MANAGEMENT CO LTD
CIK 0001034546
$6M528K0.35%Q2 2026
19
Allianz Asset Management GmbH
CIK 0001535323
$5M491K0.00%Q2 2026
20
Rockefeller Capital Management L.P.
CIK 0001739439
$5M482K0.01%Q2 2026
Page 1 of 9
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Insiders at BLACKROCK MUNIYIELD INSURED FUND
Harris Stayce D. →Oconnor Walter →Kalinoski Michael →Romaglino Christian →