BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF
IDEF
13 hedge funds and large institutions have $18.3M invested in BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 3 increasing their positions, 3 reducing their positions, and 0 closing their positions.
86% more funds holding
Funds holding: 7 → 13 (+6)
10% more capital invested
Capital invested by funds: $16.6M → $18.3M (+$1.73M)
0% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 3
0.49% less ownership
Funds ownership: 44.22% → 43.73% (-0.49%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
+$779K |
| 2 |
LPL Financial
San Diego,
California
|
+$732K |
| 3 |
USCWA
U.S. Capital Wealth Advisors
Austin,
Texas
|
+$233K |
| 4 |
Morgan Stanley
New York
|
+$112K |
| 5 |
AWM
AE Wealth Management
Topeka,
Kansas
|
+$3.78K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$468K |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$172K |
| 3 |
Jane Street
New York
|
-$67.3K |
IDEF Hedge Fund Activity: Q4 2025 in Review
13 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF (IDEF) for Q4 2025, worth a combined $18.3M — up 10% from $16.6M a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new IDEF positions and 0 closed out — a net gain of 6 holders — while 3 added to existing stakes and 3 trimmed.
The largest buyer was Cambridge Investment Research Advisors, adding an estimated $779K. The largest seller was Susquehanna International Group, cutting an estimated $468K.
- 13 institutional investors held BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF (IDEF) as of Q4 2025, up from 7 in Q3 2025.
- Funds reported $18.3M of BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF stock for Q4 2025, up 10% quarter-over-quarter.
- 6 funds opened new BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF positions in Q4 2025 and 0 closed out, a net change of +6 holders.
- The largest BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF buyer in Q4 2025 was Cambridge Investment Research Advisors, an estimated $779K added.
- The largest BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF seller in Q4 2025 was Susquehanna International Group, an estimated $468K sold.
Based on aggregated 13F filings for Q4 2025.