iShares 10+ Year Investment Grade Corporate Bond ETF
IGLB
233 hedge funds and large institutions have $2.05B invested in iShares 10+ Year Investment Grade Corporate Bond ETF in 2025 Q4 according to their latest regulatory filings, with 39 funds opening new positions, 98 increasing their positions, 59 reducing their positions, and 18 closing their positions.
117% more first-time investments, than exits
New positions opened: 39 | Existing positions closed: 18
66% more repeat investments, than reductions
Existing positions increased: 98 | Existing positions reduced: 59
12% more capital invested
Capital invested by funds: $1.82B → $2.05B (+$226M)
9% more funds holding
Funds holding: 213 → 233 (+20)
3.72% more ownership
Funds ownership: 70.38% → 74.1% (+3.7%)
9% less funds holding in top 10
Funds holding in top 10: 11 → 10 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
A
Allianz
Munich,
Germany
|
+$83.2M |
| 2 |
Legal & General Group
London,
United Kingdom
|
+$63.8M |
| 3 |
GFA
Gallagher Fiduciary Advisors
Rolling Meadows,
Illinois
|
+$40.8M |
| 4 |
LMGAM
Liberty Mutual Group Asset Management
Boston,
Massachusetts
|
+$37M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$26.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AIMU
Allianz Investment Management US
Minneapolis,
Minnesota
|
-$83.6M |
| 2 |
Capstone Investment Advisors
New York
|
-$8.22M |
| 3 |
Ameriprise
Minneapolis,
Minnesota
|
-$6.81M |
| 4 |
Bank of New York Mellon
New York
|
-$5.76M |
| 5 |
Osaic Holdings
Scottsdale,
Arizona
|
-$5.42M |
IGLB Hedge Fund Activity: Q4 2025 in Review
233 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) for Q4 2025, worth a combined $2.05B — up 12% from $1.82B a quarter earlier.
Buyers outnumbered sellers: 39 funds opened new IGLB positions and 18 closed out — a net gain of 21 holders — while 98 added to existing stakes and 59 trimmed.
The largest buyer was Allianz, opening a new position worth an estimated $83.2M. The largest seller was Allianz Investment Management US, exiting entirely with an estimated $83.6M sold.
- 233 institutional investors held iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) as of Q4 2025, up from 213 in Q3 2025.
- Funds reported $2.05B of iShares 10+ Year Investment Grade Corporate Bond ETF stock for Q4 2025, up 12% quarter-over-quarter.
- 39 funds opened new iShares 10+ Year Investment Grade Corporate Bond ETF positions in Q4 2025 and 18 closed out, a net change of +21 holders.
- The largest iShares 10+ Year Investment Grade Corporate Bond ETF buyer in Q4 2025 was Allianz, an estimated $83.2M added.
- The largest iShares 10+ Year Investment Grade Corporate Bond ETF seller in Q4 2025 was Allianz Investment Management US, an estimated $83.6M sold.
Based on aggregated 13F filings for Q4 2025.