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Tannin Capital’s Oceaneering OII Stock Holding History

Tannin Capital’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 		$409K Sell
10,104
-442
-4% -$16.7K 0.27% 97
2026
Q1 		$374K Buy
10,546
+582
+6% +$18.8K 0.27% 94
2025
Q4 		$239K Buy
+9,964
New +$241K 0.21% 115

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

Tannin Capital's OII Position: Q2 2026 in Review

Tannin Capital reduced its Oceaneering (OII) stake by 4.2% in Q2 2026, selling an estimated $16.7K and leaving 10,104 shares worth $409K. The position accounts for 0.27% of the portfolio, ranked #97.

Tannin Capital first reported a position in OII in Q4 2025 and has held it in 3 quarters since. 376 funds tracked by Wall St. Rank hold OII as of Q2 2026.

  • Tannin Capital held 10,104 shares of Oceaneering worth $409K as of Q2 2026.
  • Tannin Capital sold 442 Oceaneering shares in Q2 2026, an estimated $16.7K.
  • Oceaneering made up 0.27% of Tannin Capital's portfolio in Q2 2026, its #97 holding.
  • Tannin Capital first reported a position in Oceaneering in Q4 2025 and has held it in 3 quarters since.
  • 376 funds tracked by Wall St. Rank held Oceaneering as of Q2 2026.

Based on Tannin Capital's 13F filing for Q2 2026, filed 4 Aug 2026.