iShares iBonds Dec 2045 Term Treasury ETF
IBGB
5 hedge funds and large institutions have $1.8M invested in iShares iBonds Dec 2045 Term Treasury ETF in 2026 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 2 closing their positions.
50% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 2
25% more funds holding
Funds holding: 4 → 5 (+1)
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
7.35% less ownership
Funds ownership: 28.37% → 21.02% (-7.4%)
14% less capital invested
Capital invested by funds: $2.1M → $1.8M (-$296K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$747K |
| 2 |
FTUS
Flow Traders U.S.
New York
|
+$260K |
| 3 |
TRCT
Tower Research Capital (TRC)
New York
|
+$152K |
| 4 |
Raymond James Financial
St Petersburg,
Florida
|
+$47.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$868K |
| 2 |
Jane Street
New York
|
-$407K |
| 3 |
LA
LVW Advisors
Pittsford,
New York
|
-$214K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $737K | +$747K | +30,096 | New |
|
|
2
BlackRock
New York
| $368K | -$868K | -35,000 | -70% |
|
|
3
Raymond James Financial
St Petersburg,
Florida
| $291K | +$47.9K | +1,931 | +19% |
|
|
FTUS
4
Flow Traders U.S.
New York
| $257K | +$260K | +10,484 | New |
|
|
TRCT
5
Tower Research Capital (TRC)
New York
| $150K | +$152K | +6,110 | New |
|
|
6
Jane Street
New York
| – | -$407K | -16,498 | Closed |
|
|
LA
7
LVW Advisors
Pittsford,
New York
| – | -$214K | -8,673 | Closed |
|
IBGB Hedge Fund Activity: Q1 2026 in Review
5 of the 8,136 institutional investors tracked by Wall St. Rank reported a position in iShares iBonds Dec 2045 Term Treasury ETF (IBGB) for Q1 2026, worth a combined $1.8M — down 14% from $2.1M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new IBGB positions and 2 closed out — a net gain of 1 holder — while 1 added to existing stakes and 1 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $747K. The largest seller was BlackRock, cutting an estimated $868K.
- 5 institutional investors held iShares iBonds Dec 2045 Term Treasury ETF (IBGB) as of Q1 2026, up from 4 in Q4 2025.
- Funds reported $1.8M of iShares iBonds Dec 2045 Term Treasury ETF stock for Q1 2026, down 14% quarter-over-quarter.
- 3 funds opened new iShares iBonds Dec 2045 Term Treasury ETF positions in Q1 2026 and 2 closed out, a net change of +1 holder.
- The largest iShares iBonds Dec 2045 Term Treasury ETF buyer in Q1 2026 was Citadel Advisors, an estimated $747K added.
- The largest iShares iBonds Dec 2045 Term Treasury ETF seller in Q1 2026 was BlackRock, an estimated $868K sold.
Based on aggregated 13F filings for Q1 2026.