We are live on ! Find out more
IUSB icon

iShares Core Universal USD Bond ETF

734 hedge funds and large institutions have $32.5B invested in iShares Core Universal USD Bond ETF in 2025 Q1 according to their latest regulatory filings, with 80 funds opening new positions, 271 increasing their positions, 323 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

51% more first-time investments, than exits

New positions opened: 80 | Existing positions closed: 53

2% more funds holding

Funds holding: 723734 (+11)

1% more capital invested

Capital invested by funds: $32B → $32.5B (+$467M)

2.62% less ownership

Funds ownership: 100.97%98.35% (-2.6%)

11% less funds holding in top 10

Funds holding in top 10: 133118 (-15)

16% less repeat investments, than reductions

Existing positions increased: 271 | Existing positions reduced: 323

72% less call options, than puts

Call options by funds: $5K | Put options by funds: $18K

Holders
734
Holders Change
+11
Holders Change %
+1.52%
% of All Funds
9.82%
Holding in Top 10
118
Holding in Top 10 Change
-15
Holding in Top 10 Change %
-11.28%
% of All Funds
1.58%
New
80
Increased
271
Reduced
323
Closed
53
Calls
$5K
Puts
$18K
Net Calls
-$13K
Net Calls Change
-$13K

IUSB Hedge Fund Activity: Q1 2025 in Review

734 of the 7,471 institutional investors tracked by Wall St. Rank reported a position in iShares Core Universal USD Bond ETF (IUSB) for Q1 2025, worth a combined $32.5B — up 1.5% from $32B a quarter earlier.

Buyers outnumbered sellers: 80 funds opened new IUSB positions and 53 closed out — a net gain of 27 holders — while 271 added to existing stakes and 323 trimmed.

The largest buyer was LPL Financial, adding an estimated $155M. The largest seller was Envestnet Portfolio Solutions, cutting an estimated $240M.

  • 734 institutional investors held iShares Core Universal USD Bond ETF (IUSB) as of Q1 2025, up from 723 in Q4 2024.
  • Funds reported $32.5B of iShares Core Universal USD Bond ETF stock for Q1 2025, up 1.5% quarter-over-quarter.
  • 80 funds opened new iShares Core Universal USD Bond ETF positions in Q1 2025 and 53 closed out, a net change of +27 holders.
  • The largest iShares Core Universal USD Bond ETF buyer in Q1 2025 was LPL Financial, an estimated $155M added.
  • The largest iShares Core Universal USD Bond ETF seller in Q1 2025 was Envestnet Portfolio Solutions, an estimated $240M sold.

Based on aggregated 13F filings for Q1 2025.