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	$6.79M	Buy	+16,800	New	+$6.15M	0.01%	1154
2025 Q4	–	Sell	-100	Closed	-$26K	–	3335
2025 Q3	$26K	Sell	100 -4,100	-98%	-$1.02M	﹤0.01%	2771
2025 Q2	$967K	Buy	+4,200	New	+$943K	﹤0.01%	1866
2024 Q2	–	Sell	-300	Closed	-$97.6K	–	2840
2024 Q1	$97.6K	Buy	+300	New	+$91K	﹤0.01%	2313
2023 Q2	–	Sell	-64,000	Closed	-$17.7M	–	2822
2023 Q1	$17.7M	Buy	+64,000	New	+$19.6M	0.04%	508
2022 Q4	–	Sell	-1,500	Closed	-$315K	–	3283
2022 Q3	$315K	Sell	1,500 -4,300	-74%	-$983K	﹤0.01%	2933
2022 Q2	$1.35M	Buy	5,800 +4,400	+314%	+$1.21M	﹤0.01%	2260
2022 Q1	$395K	Sell	1,400 -100	-7%	-$24.5K	﹤0.01%	2875
2021 Q4	$277K	Sell	1,500 -149,100	-99%	-$30.1M	﹤0.01%	3059
2021 Q3	$29.7M	Buy	+150,600	New	+$28.7M	0.12%	168
2021 Q1	–	Sell	-4,700	Closed	-$724K	–	2752
2020 Q4	$724K	Buy	+4,700	New	+$596K	﹤0.01%	1335

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.