iShares MBS ETF
MBB
760 hedge funds and large institutions have $24.2B invested in iShares MBS ETF in 2023 Q3 according to their latest regulatory filings, with 76 funds opening new positions, 261 increasing their positions, 352 reducing their positions, and 81 closing their positions.
446% more call options, than puts
Call options by funds: $192M | Put options by funds: $35.2M
0.93% more ownership
Funds ownership: 92.28% → 93.21% (+0.93%)
5% less capital invested
Capital invested by funds: $25.4B → $24.2B (-$1.16B)
6% less first-time investments, than exits
New positions opened: 76 | Existing positions closed: 81
1% less funds holding in top 10
Funds holding in top 10: 75 → 74 (-1)
2% less funds holding
Funds holding: 779 → 760 (-19)
26% less repeat investments, than reductions
Existing positions increased: 261 | Existing positions reduced: 352
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$360M |
| 2 |
State of Tennessee, Department of Treasury
Nashville,
Tennessee
|
+$271M |
| 3 |
JP Morgan Chase
New York
|
+$249M |
| 4 |
RWP
RWA Wealth Partners
Newton,
Massachusetts
|
+$164M |
| 5 |
Bank of New York Mellon
New York
|
+$154M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Envestnet Asset Management
Chicago,
Illinois
|
-$761M |
| 2 |
OPAM
Ocean Park Asset Management
Santa Monica,
California
|
-$182M |
| 3 |
Jane Street
New York
|
-$99.7M |
| 4 |
RJA
Raymond James & Associates
St Petersburg,
Florida
|
-$85.4M |
| 5 |
Carson Wealth (CWM LLC)
Omaha,
Nebraska
|
-$65.4M |
MBB Hedge Fund Activity: Q3 2023 in Review
760 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in iShares MBS ETF (MBB) for Q3 2023, worth a combined $24.2B — down 4.6% from $25.4B a quarter earlier.
Sellers outnumbered buyers: 81 funds closed out of MBB and 76 opened new positions — a net loss of 5 holders — while 352 trimmed existing stakes and 261 added.
The largest buyer was Bank of America, adding an estimated $360M. The largest seller was Envestnet Asset Management, cutting an estimated $761M.
- 760 institutional investors held iShares MBS ETF (MBB) as of Q3 2023, down from 779 in Q2 2023.
- Funds reported $24.2B of iShares MBS ETF stock for Q3 2023, down 4.6% quarter-over-quarter.
- 76 funds opened new iShares MBS ETF positions in Q3 2023 and 81 closed out, a net change of -5 holders.
- The largest iShares MBS ETF buyer in Q3 2023 was Bank of America, an estimated $360M added.
- The largest iShares MBS ETF seller in Q3 2023 was Envestnet Asset Management, an estimated $761M sold.
Based on aggregated 13F filings for Q3 2023.