iShares MBS ETF
842 hedge funds and large institutions have $26.7B invested in iShares MBS ETF in 2024 Q1 according to their latest regulatory filings, with 87 funds opening new positions, 395 increasing their positions, 274 reducing their positions, and 91 closing their positions.
320% more call options, than puts
Call options by funds: $80.3M | Put options by funds: $19.1M
44% more repeat investments, than reductions
Existing positions increased: 395 | Existing positions reduced: 274
33% more capital inflows, than outflows
Capital inflows: $2.38B | Capital outflows: $1.78B
0.21% more ownership
Funds ownership: 92.42% → 92.63% (+0.21%)
4% less first-time investments, than exits
New positions opened: 87 | Existing positions closed: 91
2% less funds holding
Funds holding: 861 → 842 (-19)
10% less funds holding in top 10
Funds holding in top 10: 80 → 72 (-8)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$658M |
| 2 |
Bank of Montreal
Toronto,
Ontario, Canada
|
+$141M |
| 3 |
State Street
Boston,
Massachusetts
|
+$110M |
| 4 |
State of Michigan Retirement System
Lansing,
Michigan
|
+$94.8M |
| 5 |
Bessemer Group
Woodbridge,
New Jersey
|
+$88M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$460M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$350M |
| 3 |
Osaic Holdings
Scottsdale,
Arizona
|
-$155M |
| 4 |
US Bancorp
Minneapolis,
Minnesota
|
-$135M |
| 5 |
Goldman Sachs
New York
|
-$126M |
MBB Hedge Fund Activity: Q1 2024 in Review
842 of the 6,965 institutional investors tracked by Wall St. Rank reported a position in iShares MBS ETF (MBB) for Q1 2024, worth a combined $26.7B — up 0.19% from $26.6B a quarter earlier.
Sellers outnumbered buyers: 91 funds closed out of MBB and 87 opened new positions — a net loss of 4 holders — while 274 trimmed existing stakes and 395 added.
The largest buyer was Jane Street, adding an estimated $658M. The largest seller was JP Morgan Chase, cutting an estimated $460M.
- 842 institutional investors held iShares MBS ETF (MBB) as of Q1 2024, down from 861 in Q4 2023.
- Funds reported $26.7B of iShares MBS ETF stock for Q1 2024, up 0.19% quarter-over-quarter.
- 87 funds opened new iShares MBS ETF positions in Q1 2024 and 91 closed out, a net change of -4 holders.
- The largest iShares MBS ETF buyer in Q1 2024 was Jane Street, an estimated $658M added.
- The largest iShares MBS ETF seller in Q1 2024 was JP Morgan Chase, an estimated $460M sold.
Based on aggregated 13F filings for Q1 2024.