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iShares MBS ETF

922 hedge funds and large institutions have $31.9B invested in iShares MBS ETF in 2025 Q1 according to their latest regulatory filings, with 108 funds opening new positions, 322 increasing their positions, 402 reducing their positions, and 72 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

4% less capital invested

Capital invested by funds: $33.4B → $31.9B (-$1.46B)

5.21% less ownership

Funds ownership: 91.8%86.59% (-5.2%)

20% less repeat investments, than reductions

Existing positions increased: 322 | Existing positions reduced: 402

Holders
922
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
67
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$57.7M
Puts
$4.38M
Net Calls
Net Calls Change

Top Buyers

1 +$268M
2 +$226M
3 +$126M
4
UBS AM
UBS AM
Illinois
+$98.7M
5
Jane Street
Jane Street
New York
+$85.1M
Name Holding Trade Value Shares
Change
Change in
Stake
576
$625K
577
$619K
578
$619K
579
$618K
580
$616K
581
$614K
582
$612K
583
$603K
584
$603K
585
$602K
586
$601K
587
$594K
588
$582K
589
$581K
590
$579K
591
$578K
592
$577K
593
$577K
594
$574K
595
$571K
596
$559K
597
$558K
598
$554K
599
$552K
600
$552K