iShares MBS ETF
722 hedge funds and large institutions have $23B invested in iShares MBS ETF in 2021 Q4 according to their latest regulatory filings, with 124 funds opening new positions, 257 increasing their positions, 261 reducing their positions, and 71 closing their positions.
75% more first-time investments, than exits
New positions opened: 124 | Existing positions closed: 71
6% more funds holding
Funds holding: 681 → 722 (+41)
3% more capital invested
Capital invested by funds: $22.3B → $23B (+$734M)
0.99% more ownership
Funds ownership: 88.96% → 89.95% (+0.99%)
2% less repeat investments, than reductions
Existing positions increased: 257 | Existing positions reduced: 261
10% less funds holding in top 10
Funds holding in top 10: 61 → 55 (-6)
72% less call options, than puts
Call options by funds: $204K | Put options by funds: $731K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$345M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$200M |
| 3 |
TF
TIAA FSB
Jacksonville,
Florida
|
+$175M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$90.7M |
| 5 |
CSIA
Charles Schwab Investment Advisory
San Francisco,
California
|
+$89.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Stifel Financial
St. Louis,
Missouri
|
-$46.6M |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$37M |
| 3 |
State of Wisconsin Investment Board
Madison,
Wisconsin
|
-$35.4M |
| 4 |
DIP
DT Investment Partners
Chadds Ford,
Pennsylvania
|
-$32.6M |
| 5 |
AA
AlphaCentric Advisors
San Juan,
Puerto Rico
|
-$29.8M |
MBB Hedge Fund Activity: Q4 2021 in Review
722 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in iShares MBS ETF (MBB) for Q4 2021, worth a combined $23B — up 3.3% from $22.3B a quarter earlier.
Buyers outnumbered sellers: 124 funds opened new MBB positions and 71 closed out — a net gain of 53 holders — while 257 added to existing stakes and 261 trimmed.
The largest buyer was Jane Street, adding an estimated $345M. The largest seller was Stifel Financial, cutting an estimated $46.6M.
- 722 institutional investors held iShares MBS ETF (MBB) as of Q4 2021, up from 681 in Q3 2021.
- Funds reported $23B of iShares MBS ETF stock for Q4 2021, up 3.3% quarter-over-quarter.
- 124 funds opened new iShares MBS ETF positions in Q4 2021 and 71 closed out, a net change of +53 holders.
- The largest iShares MBS ETF buyer in Q4 2021 was Jane Street, an estimated $345M added.
- The largest iShares MBS ETF seller in Q4 2021 was Stifel Financial, an estimated $46.6M sold.
Based on aggregated 13F filings for Q4 2021.