BondBloxx BB-Rated USD High Yield Corporate Bond ETF
XBB
24 hedge funds and large institutions have $394M invested in BondBloxx BB-Rated USD High Yield Corporate Bond ETF in 2025 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 11 increasing their positions, 2 reducing their positions, and 2 closing their positions.
450% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 2
150% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 2
13% more capital invested
Capital invested by funds: $350M → $394M (+$44.2M)
9% more funds holding
Funds holding: 22 → 24 (+2)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
13.42% less ownership
Funds ownership: 109.95% → 96.53% (-13%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MERSOM
Municipal Employees' Retirement System of Michigan
Lansing,
Michigan
|
+$47.1M |
| 2 |
PFM
Potomac Fund Management
Miami,
Florida
|
+$6.97M |
| 3 |
AP
Atwood & Palmer
Kansas City,
Missouri
|
+$458K |
| 4 |
MOS
MGO One Seven
Beachwood,
Ohio
|
+$294K |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$255K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SMM
Stadion Money Management
Watkinsville,
Georgia
|
-$4.38M |
| 2 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
-$2.57M |
| 3 |
Jane Street
New York
|
-$910K |
| 4 |
Lido Advisors
Los Angeles,
California
|
-$124K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
26
Jane Street
New York
| – | -$910K | -22,020 | Closed |
|
XBB Hedge Fund Activity: Q4 2025 in Review
24 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in BondBloxx BB-Rated USD High Yield Corporate Bond ETF (XBB) for Q4 2025, worth a combined $394M — up 13% from $350M a quarter earlier.
Buyers outnumbered sellers: 5 funds opened new XBB positions and 2 closed out — a net gain of 3 holders — while 11 added to existing stakes and 2 trimmed.
The largest buyer was Municipal Employees' Retirement System of Michigan, adding an estimated $47.1M. The largest seller was Stadion Money Management, exiting entirely with an estimated $4.38M sold.
- 24 institutional investors held BondBloxx BB-Rated USD High Yield Corporate Bond ETF (XBB) as of Q4 2025, up from 22 in Q3 2025.
- Funds reported $394M of BondBloxx BB-Rated USD High Yield Corporate Bond ETF stock for Q4 2025, up 13% quarter-over-quarter.
- 5 funds opened new BondBloxx BB-Rated USD High Yield Corporate Bond ETF positions in Q4 2025 and 2 closed out, a net change of +3 holders.
- The largest BondBloxx BB-Rated USD High Yield Corporate Bond ETF buyer in Q4 2025 was Municipal Employees' Retirement System of Michigan, an estimated $47.1M added.
- The largest BondBloxx BB-Rated USD High Yield Corporate Bond ETF seller in Q4 2025 was Stadion Money Management, an estimated $4.38M sold.
Based on aggregated 13F filings for Q4 2025.