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Harbor Capital Advisors’s Oceaneering OII Stock Holding History

Harbor Capital Advisors’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 		$2.9M Buy
71,652
+41,972
+141% +$1.58M 0.2% 132
2026
Q1 		$1.05M Sell
29,680
-1,030
-3% -$33.3K 0.09% 315
2025
Q4 		$738K Buy
30,710
+4,881
+19% +$118K 0.06% 385
2025
Q3 		$640K Buy
25,829
+1,863
+8% +$42.7K 0.05% 412
2025
Q2 		$497K Sell
23,966
-1,078
-4% -$20.8K 0.02% 524
2025
Q1 		$546K Buy
+25,044
New +$594K 0.02% 523

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 $3.38T AUM 44.17% 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

Harbor Capital Advisors's OII Position: Q2 2026 in Review

Harbor Capital Advisors increased its Oceaneering (OII) stake by 141% in Q2 2026, buying an estimated $1.58M and bringing the position to 71,652 shares worth $2.9M. The position accounts for 0.2% of the portfolio, ranked #132.

Harbor Capital Advisors first reported a position in OII in Q1 2025 and has held it in 6 quarters since. 376 funds tracked by Wall St. Rank hold OII as of Q2 2026.

  • Harbor Capital Advisors held 71,652 shares of Oceaneering worth $2.9M as of Q2 2026.
  • Harbor Capital Advisors bought 41,972 Oceaneering shares in Q2 2026, an estimated $1.58M.
  • Oceaneering made up 0.2% of Harbor Capital Advisors's portfolio in Q2 2026, its #132 holding.
  • Harbor Capital Advisors first reported a position in Oceaneering in Q1 2025 and has held it in 6 quarters since.
  • 376 funds tracked by Wall St. Rank held Oceaneering as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.