Once you own and control a big enough amount of something, you can manipulate the market by cheating the function of 'supply and demand'. No coin will go anywhere without the big players allowing it to do so.
The blockchains speaks for themselves: (provided by bitinfocharts.com)
Top richest from 1 – 10
Bitcoin: 5.57% of Total
Litecoin: 26.84% of Total
Dogecoin: 28.76% of Total
Dash: 7.91% of Total
Peercoin: 34.11% of Total
Namecoin: 50.75% of Total
Blackcoin: 38.76% of Total
Novacoin: 41.14% of Total
Vericoin: 32.99% of Total
Megacoin: 49.07% of Total
Worldcoin: 44.36% of Total
Auroracoin: 57.23% of Total
Vertcoin: 50.26% of Total
Paycoin: 28.60% of Total
Quarkcoin: 43.77% of Total
[…]
Top richest from 1 – 100
Bitcoin: 19.88% of Total
Litecoin: 49.53% of Total
Dogecoin: 45.19% of Total
Dash: 17.53% of Total
Peercoin: 58.92% of Total
Namecoin: 75.29% of Total
Blackcoin: 70.09% of Total
Novacoin: 67.17% of Total
Vericoin: 71.93% of Total
Megacoin: 76.90% of Total
Worldcoin: 73.52% of Total
Auroracoin: 78.26% of Total
Vertcoin: 73.67% of Total
Paycoin: 81.00% of Total
Quarkcoin: 70.58% of Total
[…]
Top richest from 1 – 1000
Bitcoin: 37.11% of Total
Litecoin: 77.21% of Total
Dogecoin: 67.88% of Total
Dash: 35.70% of Total
Peercoin: 89.36% of Total
Namecoin: 91.71% of Total
Blackcoin: 94.34% of Total
Novacoin: 92.06% of Total
Vericoin: 99.26% of Total
Megacoin: 86.14% of Total
Worldcoin: 95.18% of Total
Auroracoin: 89.36% of Total
Vertcoin: 92.42% of Total
Paycoin: 97.06% of Total
Quarkcoin: 90.56% of Total
[…]
It should be noted that Dash looks comparatively better but thats only because of the masternode incentive to split into multiple wallets.
Some interesting quotes from early Dash thread:
https://bitcointalk.org/index.php?topic=421615.msg5028975#msg5028975