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iShares MBS ETF

926 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, 404 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 (-$1.43B)

5.13% less ownership

Funds ownership: 91.8%86.67% (-5.1%)

20% less repeat investments, than reductions

Existing positions increased: 322 | Existing positions reduced: 404

Holders
926
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
301
$3.99M
302
$3.98M
303
$3.91M
304
$3.88M
305
$3.86M
306
$3.84M
307
$3.77M
308
$3.71M
309
$3.71M
310
$3.66M
311
$3.65M
312
$3.62M
313
$3.61M
314
$3.57M
315
$3.53M
316
$3.52M
317
$3.44M
318
$3.43M
319
$3.41M
320
$3.41M
321
$3.38M
322
$3.28M
323
$3.24M
324
$3.23M
325
$3.12M