Marshall Wace
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Marshall Wace’s Oceaneering OII Stock Holding History

Marshall Wace’s Portfolio OII Stock Details OII Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.25M Buy
+104,778
New +$3.95M ﹤0.01% 1458
2025
Q2 		– Sell
-177,983
Closed -$3.88M – 3029
2025
Q1 		$3.88M Buy
+177,983
New +$4.22M ﹤0.01% 1180
2024
Q4 		– Sell
-13,200
Closed -$328K – 2891
2024
Q3 		$328K Sell
13,200
-115,150
-90% -$2.97M ﹤0.01% 2096
2024
Q2 		$3.04M Buy
128,350
+87,688
+216% +$2.03M ﹤0.01% 1192
2024
Q1 		$951K Buy
+40,662
New +$853K ﹤0.01% 1673
2023
Q2 		– Sell
-10,413
Closed -$184K – 2823
2023
Q1 		$184K Buy
+10,413
New +$201K ﹤0.01% 2419
2022
Q4 		– Sell
-99,155
Closed -$790K – 3284
2022
Q3 		$790K Buy
+99,155
New +$932K ﹤0.01% 2523
2019
Q4 		– Sell
-2,318
Closed -$31K – 1963
2019
Q3 		$31K Buy
+2,318
New +$35.1K ﹤0.01% 1561
2017
Q1 		– Sell
-575,129
Closed -$16.2M – 618
2016
Q4 		$16.2M Buy
575,129
+428,815
+293% +$11.6M 0.11% 229
2016
Q3 		$4.03M Buy
+146,314
New +$4.05M 0.03% 450
2016
Q2 		– Sell
-61,319
Closed -$2.04M – 1111
2016
Q1 		$2.04M Buy
+61,319
New +$1.91M 0.02% 547
2015
Q3 		– Sell
-142,062
Closed -$6.62M – 1019
2015
Q2 		$6.62M Buy
142,062
+44,309
+45% +$2.33M 0.09% 254
2015
Q1 		$5.27M Sell
97,753
-51,338
-34% -$2.74M 0.07% 305
2014
Q4 		$8.77M Buy
+149,091
New +$9.57M 0.12% 212
2014
Q2 		– Sell
-274,430
Closed -$19.7M – 1031
2014
Q1 		$19.7M Buy
+274,430
New +$19.7M 0.36% 81

Other funds holding OII

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
MSIIA
Morgan Stanley Institutional Investment Advisors Greenwood Village, Colorado $1.07B AUM 29.17% 1-Year Est. Return

Marshall Wace's OII Position: Q2 2026 in Review

Marshall Wace opened a new position in Oceaneering (OII) in Q2 2026: 104,778 shares worth $4.25M. The stake represents ﹤0.01% of the portfolio and ranks #1458 among its holdings. This is a return to the name: Marshall Wace previously reported a position in OII as recently as Q1 2025.

Marshall Wace first reported a position in OII in Q1 2014 and has held it in 15 quarters since. The position peaked at $19.7M in Q1 2014. 376 funds tracked by Wall St. Rank hold OII as of Q2 2026.

  • Marshall Wace held 104,778 shares of Oceaneering worth $4.25M as of Q2 2026.
  • Oceaneering was a new Marshall Wace position in Q2 2026.
  • Oceaneering made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1458 holding.
  • Marshall Wace first reported a position in Oceaneering in Q1 2014 and has held it in 15 quarters since.
  • Marshall Wace's Oceaneering position peaked at $19.7M in Q1 2014.
  • 376 funds tracked by Wall St. Rank held Oceaneering as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.