JY
IDEF

Jeff Yass’s iShares Defense Industrials Active ETF IDEF Stock Holding History

Jeff Yass’s Portfolio IDEF Stock Details IDEF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$24.7M Buy
776,896
+698,084
+886% +$23.1M ﹤0.01% 2228
2026
Q1 		$2.58M Buy
78,812
+66,312
+530% +$2.31M ﹤0.01% 5602
2025
Q4 		$385K Sell
12,500
-15,129
-55% -$468K ﹤0.01% 9392
2025
Q3 		$878K Buy
+27,629
New +$809K ﹤0.01% 7651

Other funds holding IDEF

Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
PAS
Park Avenue Securities New York $16B AUM 26.77% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $49B AUM 25.55% 1-Year Est. Return
Envestnet Portfolio Solutions
Envestnet Portfolio Solutions Chicago, Illinois $20.9B AUM 19.34% 1-Year Est. Return
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return
Janney Montgomery Scott
Janney Montgomery Scott Philadelphia, Pennsylvania $51.6B AUM 27.34% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Jeff Yass's IDEF Position: Q2 2026 in Review

Jeff Yass increased its iShares Defense Industrials Active ETF (IDEF) stake by 886% in Q2 2026, buying an estimated $23.1M and bringing the position to 776,896 shares worth $24.7M. The position accounts for ﹤0.01% of the portfolio, ranked #2228.

Jeff Yass first reported a position in IDEF in Q3 2025 and has held it in 4 quarters since. 276 funds tracked by Wall St. Rank hold IDEF as of Q2 2026.

  • Jeff Yass held 776,896 shares of iShares Defense Industrials Active ETF worth $24.7M as of Q2 2026.
  • Jeff Yass bought 698,084 iShares Defense Industrials Active ETF shares in Q2 2026, an estimated $23.1M.
  • iShares Defense Industrials Active ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #2228 holding.
  • Jeff Yass first reported a position in iShares Defense Industrials Active ETF in Q3 2025 and has held it in 4 quarters since.
  • 276 funds tracked by Wall St. Rank held iShares Defense Industrials Active ETF as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.