Marshall Wace’s iShares Russell 1000 Growth ETF IWF Stock Holding History

Marshall Wace’s Portfolio IWF Stock Details IWF Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-20,208	Closed	-$2.14M	–	3131
2025 Q2	$2.14M	Buy	+20,208	New	+$1.93M	﹤0.01%	1522
2024 Q3	–	Sell	-92,400	Closed	-$8.42M	–	2735
2024 Q2	$8.42M	Sell	92,400 -243,472	-72%	-$20.8M	0.01%	812
2024 Q1	$28.3M	Buy	+335,872	New	+$27.1M	0.04%	396
2023 Q4	–	Sell	-8,400	Closed	-$559K	–	2383
2023 Q3	$559K	Buy	8,400 +5,052	+151%	+$349K	﹤0.01%	1683
2023 Q2	$230K	Buy	+3,348	New	+$213K	﹤0.01%	2212
2022 Q1	–	Sell	-22,744	Closed	-$1.74M	–	3665
2021 Q4	$1.74M	Buy	+22,744	New	+$1.69M	﹤0.01%	2134
2018 Q3	–	Sell	-7,556	Closed	-$272K	–	1218
2018 Q2	$272K	Buy	+7,556	New	+$267K	﹤0.01%	640

Other funds holding IWF

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return

Marshall Wace's IWF Position: Q3 2025 in Review

Marshall Wace sold out of iShares Russell 1000 Growth ETF (IWF) in Q3 2025, closing a stake of 20,208 shares — an estimated $2.14M sold.

Marshall Wace first reported a position in IWF in Q2 2018 and held it in 7 quarters. The position peaked at $28.3M in Q1 2024. 2,351 funds tracked by Wall St. Rank hold IWF as of Q3 2025.

Marshall Wace reported no remaining iShares Russell 1000 Growth ETF position as of Q3 2025 after selling out during the quarter.
Marshall Wace sold 20,208 iShares Russell 1000 Growth ETF shares in Q3 2025, an estimated $2.14M.
Marshall Wace first reported a position in iShares Russell 1000 Growth ETF in Q2 2018 and held it in 7 quarters.
Marshall Wace's iShares Russell 1000 Growth ETF position peaked at $28.3M in Q1 2024.
2,351 funds tracked by Wall St. Rank held iShares Russell 1000 Growth ETF as of Q3 2025.

Based on Marshall Wace's 13F filing for Q3 2025, filed 13 Nov 2025.