iShares MBS ETF
MBB
693 hedge funds and large institutions have $23.1B invested in iShares MBS ETF in 2021 Q1 according to their latest regulatory filings, with 81 funds opening new positions, 303 increasing their positions, 228 reducing their positions, and 66 closing their positions.
33% more repeat investments, than reductions
Existing positions increased: 303 | Existing positions reduced: 228
23% more first-time investments, than exits
New positions opened: 81 | Existing positions closed: 66
3% more capital invested
Capital invested by funds: $22.4B → $23.1B (+$650M)
1% more funds holding
Funds holding: 688 → 693 (+5)
1.11% less ownership
Funds ownership: 88.13% → 87.02% (-1.1%)
5% less funds holding in top 10
Funds holding in top 10: 75 → 71 (-4)
82% less call options, than puts
Call options by funds: $1.32M | Put options by funds: $7.45M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$1.22B |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$492M |
| 3 |
Jane Street
New York
|
+$365M |
| 4 |
JP Morgan Chase
New York
|
+$153M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$97.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fisher Asset Management
Camas,
Washington
|
-$853M |
| 2 |
Envestnet Asset Management
Chicago,
Illinois
|
-$379M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
-$210M |
| 4 |
Wells Fargo
San Francisco,
California
|
-$121M |
| 5 |
HPC
HM Payson & Co
Portland,
Maine
|
-$60.5M |
MBB Hedge Fund Activity: Q1 2021 in Review
693 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in iShares MBS ETF (MBB) for Q1 2021, worth a combined $23.1B — up 2.9% from $22.4B a quarter earlier.
Buyers outnumbered sellers: 81 funds opened new MBB positions and 66 closed out — a net gain of 15 holders — while 303 added to existing stakes and 228 trimmed.
The largest buyer was Bank of America, adding an estimated $1.22B. The largest seller was Fisher Asset Management, cutting an estimated $853M.
- 693 institutional investors held iShares MBS ETF (MBB) as of Q1 2021, up from 688 in Q4 2020.
- Funds reported $23.1B of iShares MBS ETF stock for Q1 2021, up 2.9% quarter-over-quarter.
- 81 funds opened new iShares MBS ETF positions in Q1 2021 and 66 closed out, a net change of +15 holders.
- The largest iShares MBS ETF buyer in Q1 2021 was Bank of America, an estimated $1.22B added.
- The largest iShares MBS ETF seller in Q1 2021 was Fisher Asset Management, an estimated $853M sold.
Based on aggregated 13F filings for Q1 2021.