William Blair & Company’s Oceaneering OII Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$247K Buy
2015
Q2
Sell
2015
Q1
$23.7M Buy
2014
Q4
$25.3M Buy
2014
Q3
$26.2M Sell
2014
Q2
$35.2M Sell
2014
Q1
$33.3M Sell
2013
Q4
$37.2M Sell
2013
Q3
$64.1M Sell
2013
Q2
$77.6M Buy