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Essex Investment Management’s Oceaneering OII Stock Holding History

Essex Investment Management’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
Q1 		$5.62M Buy
158,374
+2,940
+2% +$95.1K 0.89% 30
2025
Q4 		$3.74M Sell
155,434
-3,827
-2% -$92.4K 0.57% 65
2025
Q3 		$3.95M Buy
159,261
+58,925
+59% +$1.35M 0.6% 51
2025
Q2 		$2.08M Buy
+100,336
New +$1.93M 0.38% 104
2023
Q4 		– Sell
-50,700
Closed -$1.3M – 358
2023
Q3 		$1.3M Buy
+50,700
New +$1.16M 0.21% 154
2018
Q4 		– Sell
-33,476
Closed -$924K – 511
2018
Q3 		$924K Buy
+33,476
New +$892K 0.11% 242

Other funds holding OII

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
MSIIA
Morgan Stanley Institutional Investment Advisors Greenwood Village, Colorado $1.04B AUM 22.76% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Essex Investment Management's OII Position: Q1 2026 in Review

Essex Investment Management increased its Oceaneering (OII) stake by 1.9% in Q1 2026, buying an estimated $95.1K and bringing the position to 158,374 shares worth $5.62M. The position accounts for 0.89% of the portfolio, ranked #30.

Essex Investment Management first reported a position in OII in Q3 2018 and has held it in 6 quarters since. 367 funds tracked by Wall St. Rank hold OII as of Q1 2026.

  • Essex Investment Management held 158,374 shares of Oceaneering worth $5.62M as of Q1 2026.
  • Essex Investment Management bought 2,940 Oceaneering shares in Q1 2026, an estimated $95.1K.
  • Oceaneering made up 0.89% of Essex Investment Management's portfolio in Q1 2026, its #30 holding.
  • Essex Investment Management first reported a position in Oceaneering in Q3 2018 and has held it in 6 quarters since.
  • 367 funds tracked by Wall St. Rank held Oceaneering as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.