Taiwan TDCC Shareholder Distribution — 15 brackets, mega-holder ratio
Are mega-holders accumulating or distributing? The TDCC publishes an official weekly 15-bracket shareholder distribution. We structure it into mega-holder ratio, retail ratio and week-over-week concentration change, snapshot-stamped.
Reading the 15 brackets
Brackets run from 1–999 shares up to 1M+. In practice the two tails matter: the 1,000-lot+ mega-holder ratio versus the retail tail. Rising mega share with falling retail share means chips are concentrating. We provide week-over-week deltas and the full history, not one static snapshot.
What we deliberately do not do
We do not read intent into the brackets. The distribution counts accounts, not people: one holder spread across several brokers, or an institution held under a custodian name, lands in the brackets in ways that look nothing like retail.
We also do not compress the fifteen brackets into a 'mega-holder direction' figure. All fifteen are preserved, because the compression step is exactly where the information disappears.