 Over fifteen other runestones have been attributed to him.The other inscriptions listed in Rundata that are attributed to Halvdan based upon stylistic analysis include Sö 235 in Västerby, Sö 237 in Fors, Sö 239 in Häringe, Sö 244 in Tuna, Sö 245 in Tungelsta, the now-lost Sö 247 in Ålsta, Sö 252 in Säby, Sö 256 in Älby, Sö 262 in Blista, Sö 269 in Söderby Malm, Sö 272 in Upp-Norrby, Sö 274 in Södersluss, Sö 290 in Farsta, Sö 292 in Bröta, Sö 297 in Uppinge, and Sö 301 in Ågesta Bro.In this inscription, Halvdan used a + as a punctuation mark between each word of the runic text.