iShares Defense Industrials Active ETF

IDEF

Market cap $4.1B

2026 is more than halfway done, somehow, after a whirlwind start defined by volatility. Geopolitical risk and AI bubble risk were the headline drivers, even as portfolios were rewarded by strong tech earnings.

Record defense backlogs and rising military spending projections bolster the case for ETFs like IDEF as contractors scale production.

The U.S. military launched strikes against Iran Tuesday evening in direct retaliation for the downing of an American Apache helicopter on Monday.

Keystone Financial Services initiated a new position in IDEF by acquiring 235,248 shares during Q1 2026, with an estimated transaction value of approximately $8.2 million. The new position represents approximately 2.4% of Keystone's reportable U.S. equity assets under management (AUM) as of March 31, 2026, placing it outside the fund's top five holdings.

iShares Defense Industrials Active ETF (IDEF) is initiated with a buy rating due to its potential to capitalize on secular growth outlook. IDEF outperformed peer aerospace & defense ETFs since launch, driven by active management and global stock selection focused on high-growth, fundamentally sound companies. IDEF maintains at least 50% exposure to aerospace & defense, with top holdings like RTX, LMT, GD, NOC, and BA, and benefits from portfolio diversification.

True Vision MN bought 87,908 shares of IDEF in the first quarter. The quarter-end position value increased by $2.88 million, reflecting both the new holding and price movement.

Bay Harbor initiated a 140,090-share stake in IDEF during the first quarter; the shares were worth $4.58 million at quarter's end. The stake represents a 1.19% increase in 13F reportable AUM.

After an 11th hour ceasefire framework was agreed upon by the United States and Iran on April 7, the slow reopening of the Strait for Hormuz sent oil prices plummeting. But the energy sector, which fell by nearly 5% last Wednesday, April 8, won't be the only corner of the market to feel some pain if the ceasefire holds up and the war ultimately comes to a close.

SHJ acquired 311,318 shares in a new position; estimated trade size $10.19 million based on quarterly average price. Quarter-end position value increased by $10.19 million, reflecting both the stake purchase and relevant price changes.

With actively managed exchange-traded funds (ETFs) growing increasingly popular relative to traditional passive funds, investors may find that these ETFs can give an advantage when it comes to highly timely investment issues, such as those related to the ongoing Iran war. A key benefit of many active funds is that managers can make portfolio adjustments in real time and in response to developments in the market—many passively managed funds are linked to indices that may only be rebalanced periodically.