Jane Street’s BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF IDEF Stock Holding History

Jane Street’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	$16.2M	Buy	509,972 +467,066	+1,089%	+$15.4M	﹤0.01%	2345
2026 Q1	$1.4M	Buy	42,906 +30,081	+235%	+$1.05M	﹤0.01%	5767
2025 Q4	$395K	Sell	12,825 -2,174	-14%	-$67.3K	﹤0.01%	8214
2025 Q3	$477K	Buy	+14,999	New	+$439K	﹤0.01%	7972

Other funds holding IDEF

Envestnet Asset Management Chicago, Illinois $424B AUM 22.9% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

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 Springfield, Massachusetts $49B AUM 25.55% 1-Year Est. Return

Envestnet Portfolio Solutions Chicago, Illinois $20.9B AUM 19.28% 1-Year Est. Return

Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return

Janney Montgomery Scott Philadelphia, Pennsylvania $51.6B AUM 27.34% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Jane Street's IDEF Position: Q2 2026 in Review

Jane Street increased its BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF (IDEF) stake by 1,089% in Q2 2026, buying an estimated $15.4M and bringing the position to 509,972 shares worth $16.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2345.

Jane Street first reported a position in IDEF in Q3 2025 and has held it in 4 quarters since. 278 funds tracked by Wall St. Rank hold IDEF as of Q2 2026.

Jane Street held 509,972 shares of BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF worth $16.2M as of Q2 2026.
Jane Street bought 467,066 BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF shares in Q2 2026, an estimated $15.4M.
BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #2345 holding.
Jane Street first reported a position in BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF in Q3 2025 and has held it in 4 quarters since.
278 funds tracked by Wall St. Rank held BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.