| Owner | A shares | B shares | Holding, % | Votes, % |
| Ångpanneföreningen’s Foundation | ||||
| for Research & Development | 801,438 | 1,916,288 | 15.96 | 40.92 |
| Swedbank Robur investment funds | 0 | 1,376,043 | 8.08 | 5.67 |
| JP Morgan Chase Bank | 0 | 1,091,309 | 6.41 | 4.50 |
| Nordea investment funds – Sweden | 0 | 836,704 | 4.91 | 3.45 |
| Åfond Foundation (ÅF Group Trust) | 0 | 704,839 | 4.14 | 2.90 |
| Handelsbanken investment funds – incl. XACT | 0 | 599,498 | 3.52 | 2.47 |
| Nordea investment funds – Finland | 0 | 527,559 | 3.10 | 2.17 |
| Fourth National Swedish Pension Fund (AP4) | 0 | 477,506 | 2.80 | 1.97 |
| SSB CL Omnibus AC OMO9 | 0 | 390,392 | 2.29 | 1.61 |
| JP Morgan Bank | 0 | 341,217 | 2.00 | 1.41 |
| Total, 10 largest owners | 801,438 | 8,261,355 | 53.22 | 67.06 |
| Total, other owners | 3,000 | 7,963,708 | 46.78 | 32.94 |
| Total 31 Dec 2009 | 804,438 | 16,225,063 | 100.00 | 100.00 |