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ION Fund Management’s Transocean RIG Stock Holding History

ION Fund Management’s Portfolio RIG Stock Details RIG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$33M Buy
6,750,000
+2,261,600
+50% +$14.1M 2.09% 14
2026
Q1 		$29.8M Buy
4,488,400
+92,277
+2% +$520K 4.21% 8
2025
Q4 		$18.2M Buy
+4,396,123
New +$17.1M 2.12% 19

Other funds holding RIG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
SPC
Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

ION Fund Management's RIG Position: Q2 2026 in Review

ION Fund Management increased its Transocean (RIG) stake by 50% in Q2 2026, buying an estimated $14.1M and bringing the position to 6,750,000 shares worth $33M. The position accounts for 2.09% of the portfolio, ranked #14.

ION Fund Management first reported a position in RIG in Q4 2025 and has held it in 3 quarters since. 534 funds tracked by Wall St. Rank hold RIG as of Q2 2026.

  • ION Fund Management held 6,750,000 shares of Transocean worth $33M as of Q2 2026.
  • ION Fund Management bought 2,261,600 Transocean shares in Q2 2026, an estimated $14.1M.
  • Transocean made up 2.09% of ION Fund Management's portfolio in Q2 2026, its #14 holding.
  • ION Fund Management first reported a position in Transocean in Q4 2025 and has held it in 3 quarters since.
  • 534 funds tracked by Wall St. Rank held Transocean as of Q2 2026.

Based on ION Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.