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BlackRock Taxable Municipal Bond Trust
BBN

117 hedge funds and large institutions have $409M invested in BlackRock Taxable Municipal Bond Trust in 2025 Q3 according to their latest regulatory filings, with 14 funds opening new positions, 36 increasing their positions, 36 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

27% more first-time investments, than exits

New positions opened: 14 | Existing positions closed: 11

11.4% more ownership

Funds ownership: 38.49% → 49.89% (+11%)

7% more capital invested

Capital invested by funds: $383M → $409M (+$26.2M)

0% more funds holding

Funds holding: 117 → 117 (0)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

0% more repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 36

Holders
117
Holders Change
–
Holders Change %
0%
% of All Funds
1.54%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
14
Increased
36
Reduced
36
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
GP
Gridiron Partners
Pennsylvania
+$100M
2
Bank of America
Bank of America
North Carolina
+$6.29M
3
SIA
Sit Investment Associates
Minnesota
+$5.6M
4
LPL Financial
LPL Financial
California
+$3.41M
5
EBWM
Eagle Bluffs Wealth Management
Missouri
+$2.6M

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$5.72M
2
KeyBank National Association
KeyBank National Association
Ohio
-$1.39M
3
RAM
Readystate Asset Management
Illinois
-$1.18M
4
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors
Iowa
-$795K
5
Osaic Holdings
Osaic Holdings
Arizona
-$588K
Name Holding Trade Value Shares
Change 		Change in
Stake
AFS
51
Access Financial Services
Minnesota
$572K -$78.6K -4,841 -12%
Calamos Advisors
52
Calamos Advisors
Illinois
$571K +$170K +10,496 +44%
GP
53
Gridiron Partners
Pennsylvania
$540K +$100M +6,170,320 +20,210%
IWA
54
IBEX Wealth Advisors
New Jersey
$453K +$2.14K +132 +0.5%
DADC
55
D.A. Davidson & Co
Montana
$416K – – –
CJ
56
Caitlin John
Michigan
$378K -$97.2K -5,990 -21%
IWM
57
IHT Wealth Management
Illinois
$374K -$9.9K -610 -3%
ICMP
58
Integrated Capital Management (Pennsylvania)
Pennsylvania
$357K -$60.3K -3,717 -15%
PAG
59
Private Advisor Group
New Jersey
$353K +$1.44K +89 +0.4%
OC
60
Oppenheimer & Co
New York
$352K +$131K +8,054 +61%
SCM
61
Schnieders Capital Management
California
$349K -$16.2K -1,000 -5%
IA
62
Intellus Advisors
Florida
$332K – – –
CMMS
63
Comprehensive Money Management Services
Florida
$329K – – –
Cambridge Investment Research Advisors
64
Cambridge Investment Research Advisors
Iowa
$326K -$795K -49,002 -71%
BOPW
65
Brandywine Oak Private Wealth
Pennsylvania
$299K – – –
IWC
66
Integrated Wealth Concepts
Massachusetts
$282K – – –
Koshinski Asset Management
67
Koshinski Asset Management
Illinois
$275K – – –
DFA
68
Delta Financial Advisors
Louisiana
$269K +$263K +16,230 New
USCWA
69
U.S. Capital Wealth Advisors
Texas
$259K -$48.7K -3,000 -16%
MWM
70
Melfa Wealth Management
Massachusetts
$250K – – –
LA
71
LexAurum Advisors
Kansas
$249K -$43.7K -2,694 -15%
SA
72
Sanctuary Advisors
Indiana
$244K +$239K +14,707 New
MA
73
Mezzasalma Advisors
New Jersey
$235K -$18.5K -1,137 -7%
MIC
74
Meridian Investment Counsel
California
$227K -$86K -5,300 -28%
BMCM
75
Bryn Mawr Capital Management
Pennsylvania
$217K +$909 +56 +0.4%
1 2
3
4 5

BBN Hedge Fund Activity: Q3 2025 in Review

117 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in BlackRock Taxable Municipal Bond Trust (BBN) for Q3 2025, worth a combined $409M — up 6.8% from $383M a quarter earlier.

Buyers outnumbered sellers: 14 funds opened new BBN positions and 11 closed out — a net gain of 3 holders — while 36 added to existing stakes and 36 trimmed.

The largest buyer was Gridiron Partners, adding an estimated $100M. The largest seller was UBS Group, cutting an estimated $5.72M.

  • 117 institutional investors held BlackRock Taxable Municipal Bond Trust (BBN) as of Q3 2025, unchanged from Q2 2025.
  • Funds reported $409M of BlackRock Taxable Municipal Bond Trust stock for Q3 2025, up 6.8% quarter-over-quarter.
  • 14 funds opened new BlackRock Taxable Municipal Bond Trust positions in Q3 2025 and 11 closed out, a net change of +3 holders.
  • The largest BlackRock Taxable Municipal Bond Trust buyer in Q3 2025 was Gridiron Partners, an estimated $100M added.
  • The largest BlackRock Taxable Municipal Bond Trust seller in Q3 2025 was UBS Group, an estimated $5.72M sold.

Based on aggregated 13F filings for Q3 2025.