| 1607 Capital Partners, LLC | 2,915,877 | 9.98% | |
| 1607 Capital Partners, LLC | 3,181,084 | 10.89% | |
| 1607 Capital Partners, LLC | 3,467,165 | 11.86% | |
| Dr Alasdair Gordon Mackenzie Nairn | 4,684,822 | 16.03% | |
| 1607 Capital Partners, LLC | 3,216,140 | 11.01% | |
| 1607 Capital Partners, LLC | 3,186,140 | 10.90% | |
| 1607 Capital Partners, LLC | 3,222,980 | 11.03% | |
| 1607 Capital Partners, LLC | 2,943,789 | 10.07% | |
| Dr Alasdair Gordon Mackenzie Nairn | 4,444,822 | 15.21% | |
| NOBLE GROSSART INVESTMENTS LIMITED | 2,373,676 | 8.12% | |
| NOBLE GROSSART INVESTMENTS LIMITED | 2,108,676 | 7.22% | |
| 1607 Capital Partners, LLC | 2,978,818 | 10.19% | |
| Dr Alasdair Gordon Mackenzie Nairn | 4,116,785 | 14.08% | |
| D C THOMSON & COMPANY LIMITED | 0 | 0.00% | |
| Dr Alasdair Gordon Mackenzie Nairn | 3,766,785 | 12.89% | |
| Rathbone Nominees Ltd | 1,106,209 | 3.79% | |
| 1607 Capital Partners, LLC | 2,505,866 | 8.58% | |
| NOBLE GROSSART INVESTMENTS LIMITED | 2,008,676 | 6.87% | |
| Dr Alasdair Gordon Mackenzie Nairn | 3,805,615 | 13.02% | |
| 1607 Capital Partners, LLC | 5,483,909 | 15.01% | |
| City | 2,506,166 | 4.88% | |
| 1607 Capital Partners, LLC | 5,472,909 | 14.98% | |
| 1607 Capital Partners, LLC | 5,492,909 | 15.04% | |
| Dr Alasdair Gordon Mackenzie Nairn | 3,805,615 | 10.43% | |
| Rathbone Nominees Ltd | 1,822,487 | 4.99% | |
| 1607 Capital Partners, LLC | 5,417,409 | 14.72% | |
| Dr Alasdair Gordon Mackenzie Nairn | 3,365,615 | 9.15% | |
| Dr Alasdair Gordon Mackenzie Nairn | 3,005,615 | 8.11% | |
| 1607 Capital Partners, LLC | 5,949,409 | 15.91% | |
| 1607 Capital Partners, LLC | 6,702,718 | 16.02% | |
| 1607 Capital Partners, LLC | 6,054,209 | 15.96% | |
| D C THOMSON & COMPANY LIMITED | 1,525,821 | 4.00% | |
| 1607 Capital Partners, LLC | 6,219,709 | 16.11% | |
| 1607 Capital Partners, LLC | 6,044,709 | 15.65% | |
| 1607 Capital Partners, LLC | 5,794,709 | 14.98% | |
| 1607 Capital Partners, LLC | 5,855,209 | 15.05% | |
| Charles Stanley Group plc | 1,593,077 | 4.07% | |
| 1607 Capital Partners, LLC | 5,555,209 | 14.18% | |
| Dr Sandy Nairn | 2,355,615 | 6.00% | |
| 1607 Capital Partners, LLC | 5,325,209 | 13.50% | |
| Dr Sandy Nairn | 2,085,615 | 5.29% | |
| 1607 Capital Partners, LLC | 4,880,509 | 12.10% | |
| 1607 Capital Partners, LLC | 4,776,509 | 11.84% | |
| 1607 Capital Partners, LLC | 4,278,509 | 10.31% | |
| 1607 Capital Partners, LLC | 2,382,309 | 5.70% | |
| Dr Sandy Nairn | 1,780,615 | 4.11% | |
| Dr Sandy Nairn | 1,305,615 | 3.01% | |
| Charles Stanley Group plc | 2,291,292 | 5.00% | |
| Charles Stanley & Co. Ltd. | 2,304,216 | 4.97% | |
| Charles Stanley Group plc | 2,335,847 | 5.04% | |