BlackRock Taxable Municipal Bond Trust
BBN
121 hedge funds and large institutions have $408M invested in BlackRock Taxable Municipal Bond Trust in 2025 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 33 increasing their positions, 40 reducing their positions, and 15 closing their positions.
40% more first-time investments, than exits
New positions opened: 21 | Existing positions closed: 15
3% more funds holding
Funds holding: 117 → 121 (+4)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
0% less capital invested
Capital invested by funds: $409M → $408M (-$1.46M)
9.08% less ownership
Funds ownership: 49.89% → 40.81% (-9.1%)
18% less repeat investments, than reductions
Existing positions increased: 33 | Existing positions reduced: 40
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SIA
Sit Investment Associates
Minneapolis,
Minnesota
|
+$6.28M |
| 2 |
JWCA
J.W. Cole Advisors
Tampa,
Florida
|
+$3.87M |
| 3 |
Focus Partners Wealth
Boston,
Massachusetts
|
+$3M |
| 4 |
Morgan Stanley
New York
|
+$2.86M |
| 5 |
Jane Street
New York
|
+$1.87M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GP
Gridiron Partners
Wexford,
Pennsylvania
|
-$104M |
| 2 |
1CP
1607 Capital Partners
Richmond,
Virginia
|
-$3.84M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$3.45M |
| 4 |
Kovitz Investment Group Partners
Chicago,
Illinois
|
-$2.95M |
| 5 |
M&T Bank
Buffalo,
New York
|
-$2.47M |
BBN Hedge Fund Activity: Q4 2025 in Review
121 institutional investors reported a position in BlackRock Taxable Municipal Bond Trust (BBN) for Q4 2025, worth a combined $408M — down 0.36% from $409M a quarter earlier.
Buyers outnumbered sellers: 21 funds opened new BBN positions and 15 closed out — a net gain of 6 holders — while 33 added to existing stakes and 40 trimmed.
The largest buyer was Sit Investment Associates, adding an estimated $6.28M. The largest seller was Gridiron Partners, cutting an estimated $104M.
- 121 institutional investors held BlackRock Taxable Municipal Bond Trust (BBN) as of Q4 2025, up from 117 in Q3 2025.
- Funds reported $408M of BlackRock Taxable Municipal Bond Trust stock for Q4 2025, down 0.36% quarter-over-quarter.
- 21 funds opened new BlackRock Taxable Municipal Bond Trust positions in Q4 2025 and 15 closed out, a net change of +6 holders.
- The largest BlackRock Taxable Municipal Bond Trust buyer in Q4 2025 was Sit Investment Associates, an estimated $6.28M added.
- The largest BlackRock Taxable Municipal Bond Trust seller in Q4 2025 was Gridiron Partners, an estimated $104M sold.
Based on aggregated 13F filings for Q4 2025.