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iShares Core US Aggregate Bond ETF

2,092 hedge funds and large institutions have $122B invested in iShares Core US Aggregate Bond ETF in 2026 Q1 according to their latest regulatory filings, with 152 funds opening new positions, 1,006 increasing their positions, 701 reducing their positions, and 134 closing their positions.

New
Increased
Maintained
Reduced
Closed

44% more repeat investments, than reductions

Existing positions increased: 1,006 | Existing positions reduced: 701

13% more first-time investments, than exits

New positions opened: 152 | Existing positions closed: 134

2% more capital invested

Capital invested by funds: $120B → $122B (+$2.02B)

1% more funds holding in top 10

Funds holding in top 10: 385 → 387 (+2)

1% less funds holding

Funds holding: 2,112 → 2,092 (-20)

2.79% less ownership

Funds ownership: 90.89% → 88.1% (-2.8%)

95% less call options, than puts

Call options by funds: $5.47M | Put options by funds: $104M

Holders
2,092
Holders Change
-20
Holders Change %
-0.95%
% of All Funds
25.49%
Holding in Top 10
387
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+0.52%
% of All Funds
4.72%
New
152
Increased
1,006
Reduced
701
Closed
134
Calls
$5.47M
Puts
$104M
Net Calls
-$98.3M
Net Calls Change
-$105M

AGG Hedge Fund Activity: Q1 2026 in Review

2,092 of the 8,207 institutional investors tracked by Wall St. Rank reported a position in iShares Core US Aggregate Bond ETF (AGG) for Q1 2026, worth a combined $122B — up 1.7% from $120B a quarter earlier.

Buyers outnumbered sellers: 152 funds opened new AGG positions and 134 closed out — a net gain of 18 holders — while 1,006 added to existing stakes and 701 trimmed.

The largest buyer was Bank of America, adding an estimated $1.59B. The largest seller was Sagespring Wealth Partners, cutting an estimated $2.36B.

  • 2,092 institutional investors held iShares Core US Aggregate Bond ETF (AGG) as of Q1 2026, down from 2,112 in Q4 2025.
  • Funds reported $122B of iShares Core US Aggregate Bond ETF stock for Q1 2026, up 1.7% quarter-over-quarter.
  • 152 funds opened new iShares Core US Aggregate Bond ETF positions in Q1 2026 and 134 closed out, a net change of +18 holders.
  • The largest iShares Core US Aggregate Bond ETF buyer in Q1 2026 was Bank of America, an estimated $1.59B added.
  • The largest iShares Core US Aggregate Bond ETF seller in Q1 2026 was Sagespring Wealth Partners, an estimated $2.36B sold.

Based on aggregated 13F filings for Q1 2026.