DOSSIER · 13F Holders · Q1 2026
MYI

BLACKROCK MUNIYIELD INSURED FUND

155 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 09254E103·155 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$347M
visible holders
Holders
155
filers reporting
Concentration
17.19%
Karpus Management, Inc. #1
top holder share
AI Holders Summary · Q1 2026

155 institutions reported MYI in Q1 2026. Karpus Management, Inc. leads at 17.2% 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
$45M4.2M0.00%Q1 2026
04
SIT INVESTMENT ASSOCIATES INC
CIK 0000769317
$28M2.7M0.58%Q1 2026
05
GUGGENHEIM CAPITAL LLC
CIK 0001283072
$24M2.3M0.18%Q1 2026
06
ROBINSON CAPITAL MANAGEMENT, LLC
CIK 0001599795
$17M1.6M7.32%Q1 2026
07
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$17M1.6M0.01%Q1 2026
08
BANK OF AMERICA CORP /DE/
CIK 0000070858
$12M1.2M0.00%Q1 2026
09
STIFEL FINANCIAL CORP
CIK 0000720672
$11M1.1M0.01%Q1 2026
10
Advisors Asset Management, Inc.
CIK 0001297376
$10M981K0.17%Q1 2026
11
VAN ECK ASSOCIATES CORP
CIK 0000869178
$10M949K0.01%Q1 2026
12
Pathstone Holdings, LLC
CIK 0002011612
$9M895K0.04%Q1 2026
13
UBS Group AG
CIK 0001610520
$9M859K0.00%Q1 2026
14
WELLS FARGO & COMPANY/MN
CIK 0000072971
$7M621K0.00%Q1 2026
15
Allspring Global Investments Holdings, LLC
CIK 0001890906
$6M538K0.01%Q1 2026
16
LPL Financial LLC
CIK 0001403438
$6M537K0.00%Q1 2026
17
CITY OF LONDON INVESTMENT MANAGEMENT CO LTD
CIK 0001034546
$6M528K0.40%Q1 2026
18
MACKAY SHIELDS LLC
CIK 0000061227
$6M526K0.20%Q1 2026
19
Allianz Asset Management GmbH
CIK 0001535323
$5M491K0.01%Q1 2026
20
Rareview Capital LLC
CIK 0002044533
$5M461K2.84%Q1 2026
Page 1 of 8
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Insiders at BLACKROCK MUNIYIELD INSURED FUND
Harris Stayce D.Oconnor WalterKalinoski MichaelRomaglino Christian