iShares Core Universal USD Bond ETF
IUSB
743 hedge funds and large institutions have $32.1B invested in iShares Core Universal USD Bond ETF in 2025 Q2 according to their latest regulatory filings, with 75 funds opening new positions, 230 increasing their positions, 374 reducing their positions, and 54 closing their positions.
39% more first-time investments, than exits
New positions opened: 75 | Existing positions closed: 54
1% more funds holding
Funds holding: 735 → 743 (+8)
1.28% less ownership
Funds ownership: 98.37% → 97.09% (-1.3%)
18% less funds holding in top 10
Funds holding in top 10: 119 → 97 (-22)
32% less capital inflows, than outflows
Capital inflows: $924M | Capital outflows: $1.37B
39% less repeat investments, than reductions
Existing positions increased: 230 | Existing positions reduced: 374
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jones Financial Companies
Des Peres,
Missouri
|
+$200M |
| 2 |
Spire Wealth Management
Mclean,
Virginia
|
+$79.9M |
| 3 |
Northwestern Mutual Wealth Management
Milwaukee,
Wisconsin
|
+$60.7M |
| 4 |
Mariner
Overland Park,
Kansas
|
+$51.2M |
| 5 |
Wells Fargo
San Francisco,
California
|
+$45.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Envestnet Asset Management
Chicago,
Illinois
|
-$322M |
| 2 |
BlackRock
New York
|
-$109M |
| 3 |
Envestnet Portfolio Solutions
Chicago,
Illinois
|
-$97.1M |
| 4 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
-$68.8M |
| 5 |
Atria Wealth Solutions
New York
|
-$45.4M |
IUSB Hedge Fund Activity: Q2 2025 in Review
743 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in iShares Core Universal USD Bond ETF (IUSB) for Q2 2025, worth a combined $32.1B — down 1.3% from $32.5B a quarter earlier.
Buyers outnumbered sellers: 75 funds opened new IUSB positions and 54 closed out — a net gain of 21 holders — while 230 added to existing stakes and 374 trimmed.
The largest buyer was Jones Financial Companies, adding an estimated $200M. The largest seller was Envestnet Asset Management, cutting an estimated $322M.
- 743 institutional investors held iShares Core Universal USD Bond ETF (IUSB) as of Q2 2025, up from 735 in Q1 2025.
- Funds reported $32.1B of iShares Core Universal USD Bond ETF stock for Q2 2025, down 1.3% quarter-over-quarter.
- 75 funds opened new iShares Core Universal USD Bond ETF positions in Q2 2025 and 54 closed out, a net change of +21 holders.
- The largest iShares Core Universal USD Bond ETF buyer in Q2 2025 was Jones Financial Companies, an estimated $200M added.
- The largest iShares Core Universal USD Bond ETF seller in Q2 2025 was Envestnet Asset Management, an estimated $322M sold.
Based on aggregated 13F filings for Q2 2025.