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Round Rock Advisors’s Oceaneering OII Stock Holding History

Round Rock 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 		$813K Buy
20,056
+2,744
+16% +$103K 0.1% 152
2026
Q1 		$614K Buy
17,312
+5,938
+52% +$192K 0.09% 173
2025
Q4 		$273K Hold
11,374
– – 0.04% 284
2025
Q3 		$282K Buy
+11,374
New +$261K 0.04% 252

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

Round Rock Advisors's OII Position: Q2 2026 in Review

Round Rock Advisors increased its Oceaneering (OII) stake by 16% in Q2 2026, buying an estimated $103K and bringing the position to 20,056 shares worth $813K. The position accounts for 0.1% of the portfolio, ranked #152.

Round Rock Advisors first reported a position in OII in Q3 2025 and has held it in 4 quarters since. 376 funds tracked by Wall St. Rank hold OII as of Q2 2026.

  • Round Rock Advisors held 20,056 shares of Oceaneering worth $813K as of Q2 2026.
  • Round Rock Advisors bought 2,744 Oceaneering shares in Q2 2026, an estimated $103K.
  • Oceaneering made up 0.1% of Round Rock Advisors's portfolio in Q2 2026, its #152 holding.
  • Round Rock Advisors first reported a position in Oceaneering in Q3 2025 and has held it in 4 quarters since.
  • 376 funds tracked by Wall St. Rank held Oceaneering as of Q2 2026.

Based on Round Rock Advisors's 13F filing for Q2 2026, filed 12 Aug 2026.