Optiver Holding B.V. increased its stake in Transocean by 53.6%, now owning 8,400 shares valued at $32,000. Other institutional investors, including Ballentine Partners LLC and Van Den Berg Management I Inc., also raised their holdings, contributing to a total institutional ownership of 67.73%. Transocean's stock has a consensus "Hold" rating, with a recent price target reduction by Barclays to $4.00, suggesting a potential upside of 20.19%.