Marshall Wace’s VanEck Oil Services ETF OIH Stock Holding History

Marshall Wace’s Portfolio OIH Stock Details OIH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.29M	Sell	3,200 -1,900	-37%	-$695K	﹤0.01%	2010
2025 Q4	$1.45M	Sell	5,100 -1,500	-23%	-$420K	﹤0.01%	1751
2025 Q3	$1.72M	Buy	6,600 +5,200	+371%	+$1.29M	﹤0.01%	1693
2025 Q2	$322K	Sell	1,400 -200	-13%	-$44.9K	﹤0.01%	2309
2025 Q1	$419K	Sell	1,600 -86,600	-98%	-$23.6M	﹤0.01%	2142
2024 Q4	$23.9M	Buy	88,200 +88,100	+88,100%	+$25.3M	0.03%	482
2024 Q3	$28.4K	Buy	+100	New	+$30.2K	﹤0.01%	2425
2023 Q2	–	Sell	-55,800	Closed	-$15.5M	–	2821
2023 Q1	$15.5M	Buy	+55,800	New	+$17.1M	0.03%	557
2022 Q1	–	Sell	-18,300	Closed	-$3.38M	–	3824
2021 Q4	$3.38M	Sell	18,300 -57,800	-76%	-$11.7M	0.01%	1680
2021 Q3	$15M	Buy	+76,100	New	+$14.5M	0.06%	357

Other funds holding OIH

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

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

GJL

Gendell Jeffrey L $7.34B AUM 183.72% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

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

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

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

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

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Marshall Wace's OIH Position: Q1 2026 in Review

Marshall Wace increased its VanEck Oil Services ETF (OIH) stake by 167% in Q1 2026, buying an estimated $6.38M and bringing the position to 27,892 shares worth $11.3M. The position accounts for 0.01% of the portfolio, ranked #917.

Marshall Wace first reported a position in OIH in Q1 2019 and has held it in 20 quarters since. The position peaked at $29.4M in Q1 2024. 288 funds tracked by Wall St. Rank hold OIH as of Q1 2026.

Marshall Wace held 27,892 shares of VanEck Oil Services ETF worth $11.3M as of Q1 2026.
Marshall Wace bought 17,430 VanEck Oil Services ETF shares in Q1 2026, an estimated $6.38M.
VanEck Oil Services ETF made up 0.01% of Marshall Wace's portfolio in Q1 2026, its #917 holding.
Marshall Wace first reported a position in VanEck Oil Services ETF in Q1 2019 and has held it in 20 quarters since.
Marshall Wace's VanEck Oil Services ETF position peaked at $29.4M in Q1 2024.
288 funds tracked by Wall St. Rank held VanEck Oil Services ETF as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.