These wallets clearly seem to be from the same person. All have 10,000 BTC each. All were created on Dec 23, 2013. That's over 200,000 BTC worth about $160 million USD!
1f1miYFQWTzdLiCBxtHHnNiW7WAWPUccr
1GaUYQmgfJXYJBcwhQjsDXxh5bqu8aWwYa
145YHsQU7HMzkRnD5SBSuFAzQgCYnAnLkN
1P1iThxBH542Gmk1kZNXyji4E4iwpvSbrt
1KbrSKrT3GeEruTuuYYUSQ35JwKbrAWJYm
12dUggmXPYsPVHaHr1DoW5J6bb6gvh4yZq
1Le6MkiTvkorvC1JwYXzQUSfqA3ebzGW7N
12tLs9c9RsALt4ockxa1hB4iTCTSmxj2me
1CPaziTqeEixPoSFtJxu74uDGbpEAotZom
1EyArywoLEhFto6uKWMxA9QKXJWLTNghsz
1Du2jAQsBQnkkVZkN4oqC46tS78k7WMkVq
1JtpgqCf3SSeCeYWEDJjkfYFH7Ruhy4Vp1
14YK4mzJGo5NKkNnmVJeuEAQftLt795Gec
18k9tin39LKegFzHe8rxSgvJXDpuMriGJq
1ucXXZQSEf4zny2HRwAQKtVpkLPTUKRtt
1BAFWQhH9pNkz3mZDQ1tWrtKkSHVCkc3fV
1AM5xJLHAenvTdzRDh6rv5TUFJm84W4uvT
1NN2bPz6gLYx7cquCscw918npUVBdD9Lmu
16qBQ6cs4R76gwAF85XF8tdxscz8fGjoJr
18BgWxZRdoCc21tdDPTNuEqREAofBnwG7M
All the above stemmed from newly mined blocks of 50 bitcoins, created back in early 2011, by the same miner that were either all sold to one entity or the owner opted to change the place where he stores the coins that he still holds.