iShares MBS ETF
MBB
922 hedge funds and large institutions have $33.4B invested in iShares MBS ETF in 2024 Q4 according to their latest regulatory filings, with 160 funds opening new positions, 414 increasing their positions, 274 reducing their positions, and 93 closing their positions.
520% more call options, than puts
Call options by funds: $16.5M | Put options by funds: $2.66M
72% more first-time investments, than exits
New positions opened: 160 | Existing positions closed: 93
51% more repeat investments, than reductions
Existing positions increased: 414 | Existing positions reduced: 274
8% more capital invested
Capital invested by funds: $31B → $33.4B (+$2.43B)
6% more funds holding
Funds holding: 873 → 922 (+49)
1.56% more ownership
Funds ownership: 90.26% → 91.82% (+1.6%)
3% less funds holding in top 10
Funds holding in top 10: 63 → 61 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$1.59B |
| 2 |
EP
Essential Planning
Portsmouth,
New Hampshire
|
+$304M |
| 3 |
LPL Financial
San Diego,
California
|
+$248M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$170M |
| 5 |
State of Tennessee, Department of Treasury
Nashville,
Tennessee
|
+$141M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$90M |
| 2 |
UBS AM
Chicago,
Illinois
|
-$77.1M |
| 3 |
BNP Paribas Financial Markets
Paris,
France
|
-$66.2M |
| 4 |
Jane Street
New York
|
-$56.3M |
| 5 |
HCM
Hilton Capital Management
Garden City,
New York
|
-$53.4M |
MBB Hedge Fund Activity: Q4 2024 in Review
922 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in iShares MBS ETF (MBB) for Q4 2024, worth a combined $33.4B — up 7.9% from $31B a quarter earlier.
Buyers outnumbered sellers: 160 funds opened new MBB positions and 93 closed out — a net gain of 67 holders — while 414 added to existing stakes and 274 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $1.59B. The largest seller was Goldman Sachs, cutting an estimated $90M.
- 922 institutional investors held iShares MBS ETF (MBB) as of Q4 2024, up from 873 in Q3 2024.
- Funds reported $33.4B of iShares MBS ETF stock for Q4 2024, up 7.9% quarter-over-quarter.
- 160 funds opened new iShares MBS ETF positions in Q4 2024 and 93 closed out, a net change of +67 holders.
- The largest iShares MBS ETF buyer in Q4 2024 was JP Morgan Chase, an estimated $1.59B added.
- The largest iShares MBS ETF seller in Q4 2024 was Goldman Sachs, an estimated $90M sold.
Based on aggregated 13F filings for Q4 2024.