Why Are Palatin Technologies (PTN) Shares Spiking After-Hours? - Palatin Techs (AMEX:PTN)

Group 1 - Palatin Technologies Inc. shares surged 8.41% to $27.77 in after-hours trading, following a closing price of $25.62, which was down 6.84% on Wednesday [1] - Janus Henderson Group plc filed a Schedule 13G, indicating ownership of 170,097 shares, representing 9.99% of Palatin's common stock [2] - The Janus Henderson Biotech Innovation Master Fund Ltd holds 118,196 shares, accounting for 6.6% of the class, with shared voting and dispositive power over the holdings [3] Group 2 - The filing excludes additional warrants due to a 9.99% beneficial ownership limitation, including 8,562 pre-funded warrants and 182,000 Series J and K common warrants [4] - Palatin Technologies' stock has rebounded 388% over the past six months, despite a year-to-date decline of 60.58%, with a market capitalization of $45.77 million and a 52-week trading range of $7.25 to $72.50 [5]