iShares Core 1-5 Year USD Bond ETF
ISTB
394 hedge funds and large institutions have $3.5B invested in iShares Core 1-5 Year USD Bond ETF in 2026 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 178 increasing their positions, 108 reducing their positions, and 31 closing their positions.
65% more repeat investments, than reductions
Existing positions increased: 178 | Existing positions reduced: 108
48% more first-time investments, than exits
New positions opened: 46 | Existing positions closed: 31
2.7% more ownership
Funds ownership: 70% → 72.7% (+2.7%)
2% more funds holding
Funds holding: 388 → 394 (+6)
5% more capital invested
Capital invested by funds: $3.34B → $3.5B (+$152M)
3% less funds holding in top 10
Funds holding in top 10: 39 → 38 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SSWG
Seven Springs Wealth Group
Brentwood,
Tennessee
|
+$66.1M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$18.2M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$18.1M |
| 4 |
Jones Financial Companies
Des Peres,
Missouri
|
+$16.2M |
| 5 |
AA
Acorns Advisers
Irvine,
California
|
+$13M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SWM
SHP Wealth Management
Plymouth,
Massachusetts
|
-$68.8M |
| 2 |
TPI
Trust Point Inc
La Crosse,
Wisconsin
|
-$33.9M |
| 3 |
DC
Dorval Corp
Maple Grove,
Minnesota
|
-$14.6M |
| 4 |
KOC
Koss-Olinger Consulting
Gainesville,
Florida
|
-$12.8M |
| 5 |
Goldman Sachs
New York
|
-$7.81M |
ISTB Hedge Fund Activity: Q1 2026 in Review
394 of the 8,173 institutional investors tracked by Wall St. Rank reported a position in iShares Core 1-5 Year USD Bond ETF (ISTB) for Q1 2026, worth a combined $3.5B — up 4.5% from $3.34B a quarter earlier.
Buyers outnumbered sellers: 46 funds opened new ISTB positions and 31 closed out — a net gain of 15 holders — while 178 added to existing stakes and 108 trimmed.
The largest buyer was Seven Springs Wealth Group, opening a new position worth an estimated $66.1M. The largest seller was SHP Wealth Management, cutting an estimated $68.8M.
- 394 institutional investors held iShares Core 1-5 Year USD Bond ETF (ISTB) as of Q1 2026, up from 388 in Q4 2025.
- Funds reported $3.5B of iShares Core 1-5 Year USD Bond ETF stock for Q1 2026, up 4.5% quarter-over-quarter.
- 46 funds opened new iShares Core 1-5 Year USD Bond ETF positions in Q1 2026 and 31 closed out, a net change of +15 holders.
- The largest iShares Core 1-5 Year USD Bond ETF buyer in Q1 2026 was Seven Springs Wealth Group, an estimated $66.1M added.
- The largest iShares Core 1-5 Year USD Bond ETF seller in Q1 2026 was SHP Wealth Management, an estimated $68.8M sold.
Based on aggregated 13F filings for Q1 2026.