iShares Defense Industrials Active ETF
IDEF
7 hedge funds and large institutions have $16.6M invested in iShares Defense Industrials Active ETF in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, increasing their positions, reducing their positions, and 1 closing their positions.
300% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 1
40% more funds holding
Funds holding: 5 → 7 (+2)
16% more capital invested
Capital invested by funds: $14.3M → $16.6M (+$2.27M)
26.11% less ownership
Funds ownership: 70.33% → 44.22% (-26%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$1.27M |
| 2 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
+$1.05M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$809K |
| 4 |
Jane Street
New York
|
+$439K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
-$3.25K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
1
BlackRock
New York
| $12.7M | – | – | – |
|
|
2
Citadel Advisors
Miami,
Florida
| $1.37M | +$1.27M | +43,230 | New |
|
|
3
Cambridge Investment Research Advisors
Fairfield,
Iowa
| $1.14M | +$1.05M | +35,813 | New |
|
|
4
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| $878K | +$809K | +27,629 | New |
|
|
5
Jane Street
New York
| $477K | +$439K | +14,999 | New |
|
|
ACA
6
American Capital Advisory
Ketchum,
Idaho
| $2.16K | – | – | – |
|
|
CA
7
Clearstead Advisors
Cleveland,
Ohio
| $1.23K | – | – | – |
|
|
8
Bank of America
Charlotte,
North Carolina
| – | -$3.25K | -115 | Closed |
|
IDEF Hedge Fund Activity: Q3 2025 in Review
7 of the 7,631 institutional investors tracked by Wall St. Rank reported a position in iShares Defense Industrials Active ETF (IDEF) for Q3 2025, worth a combined $16.6M — up 16% from $14.3M a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new IDEF positions and 1 closed out — a net gain of 3 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $1.27M. The largest seller was Bank of America, exiting entirely with an estimated $3.25K sold.
- 7 institutional investors held iShares Defense Industrials Active ETF (IDEF) as of Q3 2025, up from 5 in Q2 2025.
- Funds reported $16.6M of iShares Defense Industrials Active ETF stock for Q3 2025, up 16% quarter-over-quarter.
- 4 funds opened new iShares Defense Industrials Active ETF positions in Q3 2025 and 1 closed out, a net change of +3 holders.
- The largest iShares Defense Industrials Active ETF buyer in Q3 2025 was Citadel Advisors, an estimated $1.27M added.
- The largest iShares Defense Industrials Active ETF seller in Q3 2025 was Bank of America, an estimated $3.25K sold.
Based on aggregated 13F filings for Q3 2025.