I don't think so, CS is the holder of the shares (even though...

I don't think so, CS is the holder of the shares (even though they have borrowed them but the rights and shares are at the hands of CS). CS clearly has the voting right, which is the most important right of a share holder and could have a direct impact on all other holders. I could be wrong though, but clearly CIMBS didn't have to report the additional purchase of 2+ million shares.

Maybe CIMBS is bullish about TTT and want to accumulate without pumping the SP, thus 'lend' all their holdings to a third party (CS). Since we don't know anything about the cost of borrowing by CS, and who pays the fee, we can only monitor the market and see what is happening. As I said, so far, CIMBS still accumulating, remember that 2+ mil shares is a lot of shares at current market volume of 100-200k shares traded daily.