Solar panel assembly for collecting sunlight, comprising an underframe, a first solar panel holder and a solar panel, wherein the first solar panel holder comprises a basis having a circumference onto which a drive engages for rotation of the first solar panel holder with respect to the underframe about a vertical rotation axis, wherein with respect to the first solar panel holder the solar panel is rotatable about a horizontal rotation axis, wherein the vertical rotation axis is perpendicular to the horizontal rotation axis and intersects the horizontal rotation axis in an intersection, wherein the solar panel assembly is provided with a second solar panel holder which, when viewed parallel to the vertical rotation axis, is situated fully within the circumference of the basis of the first solar panel holder, wherein the second solar panel holder is rotatable with respect to the underframe about a parallactic rotation axis, wherein the parallactic rotation axis intersects the intersection of the horizontal rotation axis and the vertical rotation axis.