Castleark Management’s iShares Russell 1000 Growth ETF IWF Stock Holding History

Castleark Management’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
2026 Q1	$1.61M	Hold	15,080	–	–	0.05%	208
2025 Q4	$1.78M	Buy	+15,080	New	+$1.79M	0.05%	206
2019 Q4	–	Sell	-23,320	Closed	-$931K	–	376
2019 Q3	$931K	Hold	23,320	–	–	0.04%	243
2019 Q2	$917K	Sell	23,320 -42,960	-65%	-$1.66M	0.04%	252
2019 Q1	$2.51M	Sell	66,280 -40,000	-38%	-$1.44M	0.09%	211
2018 Q4	$3.48M	Buy	106,280 +27,400	+35%	+$966K	0.15%	179
2018 Q3	$3.08M	Hold	78,880	–	–	0.09%	226
2018 Q2	$2.84M	Hold	78,880	–	–	0.09%	230
2018 Q1	$2.68M	Hold	78,880	–	–	0.09%	235
2017 Q4	$2.66M	Sell	78,880 -8,000	-9%	-$262K	0.08%	242
2017 Q3	$2.72M	Hold	86,880	–	–	0.09%	235
2017 Q2	$2.58M	Hold	86,880	–	–	0.08%	229
2017 Q1	$2.47M	Sell	86,880 -27,520	-24%	-$763K	0.08%	259
2016 Q4	$3M	Hold	114,400	–	–	0.1%	237
2016 Q3	$2.98M	Hold	114,400	–	–	0.09%	236
2016 Q2	$2.87M	Hold	114,400	–	–	0.09%	242
2016 Q1	$2.85M	Hold	114,400	–	–	0.09%	234
2015 Q4	$2.85M	Hold	114,400	–	–	0.09%	236
2015 Q3	$2.66M	Hold	114,400	–	–	0.09%	235
2015 Q2	$2.83M	Hold	114,400	–	–	0.08%	250
2015 Q1	$2.83M	Hold	114,400	–	–	0.07%	249
2014 Q4	$2.73M	Buy	+114,400	New	+$2.68M	0.07%	212

Other funds holding IWF

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

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

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

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

JP Morgan Chase New York $1.56T AUM 27.86% 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

UBS Group Zurich, Switzerland $666B AUM 30.12% 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

Castleark Management's IWF Position: Q1 2026 in Review

Castleark Management held its iShares Russell 1000 Growth ETF (IWF) position steady in Q1 2026 at 15,080 shares worth $1.61M. The position accounts for 0.05% of the portfolio, ranked #208.

Castleark Management first reported a position in IWF in Q4 2014 and has held it in 22 quarters since. The position peaked at $3.48M in Q4 2018. 2,432 funds tracked by Wall St. Rank hold IWF as of Q1 2026.

Castleark Management held 15,080 shares of iShares Russell 1000 Growth ETF worth $1.61M as of Q1 2026.
Castleark Management left its iShares Russell 1000 Growth ETF share count unchanged in Q1 2026.
iShares Russell 1000 Growth ETF made up 0.05% of Castleark Management's portfolio in Q1 2026, its #208 holding.
Castleark Management first reported a position in iShares Russell 1000 Growth ETF in Q4 2014 and has held it in 22 quarters since.
Castleark Management's iShares Russell 1000 Growth ETF position peaked at $3.48M in Q4 2018.
2,432 funds tracked by Wall St. Rank held iShares Russell 1000 Growth ETF as of Q1 2026.

Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.