iShares MBS ETF
MBB
672 hedge funds and large institutions have $23.1B invested in iShares MBS ETF in 2021 Q2 according to their latest regulatory filings, with 55 funds opening new positions, 278 increasing their positions, 254 reducing their positions, and 67 closing their positions.
2.55% more ownership
Funds ownership: 87.02% → 89.57% (+2.5%)
9% more repeat investments, than reductions
Existing positions increased: 278 | Existing positions reduced: 254
0% more capital invested
Capital invested by funds: $23.1B → $23.1B (+$81.5M)
3% less funds holding
Funds holding: 693 → 672 (-21)
6% less funds holding in top 10
Funds holding in top 10: 71 → 67 (-4)
18% less first-time investments, than exits
New positions opened: 55 | Existing positions closed: 67
83% less call options, than puts
Call options by funds: $1.86M | Put options by funds: $11.2M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$629M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$198M |
| 3 |
JP Morgan Chase
New York
|
+$101M |
| 4 |
Envestnet Asset Management
Chicago,
Illinois
|
+$88.3M |
| 5 |
Goldman Sachs
New York
|
+$79.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Charles Schwab
San Francisco,
California
|
-$561M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$461M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$61.9M |
| 4 |
MAM
Madison Asset Management
Madison,
Wisconsin
|
-$58.9M |
| 5 |
PWAG
Polaris Wealth Advisory Group
San Rafael,
California
|
-$46.2M |
MBB Hedge Fund Activity: Q2 2021 in Review
672 of the 5,745 institutional investors tracked by Wall St. Rank reported a position in iShares MBS ETF (MBB) for Q2 2021, worth a combined $23.1B — up 0.35% from $23.1B a quarter earlier.
Sellers outnumbered buyers: 67 funds closed out of MBB and 55 opened new positions — a net loss of 12 holders — while 254 trimmed existing stakes and 278 added.
The largest buyer was Jane Street, adding an estimated $629M. The largest seller was Charles Schwab, cutting an estimated $561M.
- 672 institutional investors held iShares MBS ETF (MBB) as of Q2 2021, down from 693 in Q1 2021.
- Funds reported $23.1B of iShares MBS ETF stock for Q2 2021, up 0.35% quarter-over-quarter.
- 55 funds opened new iShares MBS ETF positions in Q2 2021 and 67 closed out, a net change of -12 holders.
- The largest iShares MBS ETF buyer in Q2 2021 was Jane Street, an estimated $629M added.
- The largest iShares MBS ETF seller in Q2 2021 was Charles Schwab, an estimated $561M sold.
Based on aggregated 13F filings for Q2 2021.