1 Institute for Gravitation and the Cosmos, Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
2 Niels Bohr International Academy and Discovery Center, Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, DK-2100, Copenhagen Ø, Denmark.
3 Department of Physics, Brown University, Providence, Rhode Island 02912, USA.
4 Brown Theoretical Physics Center, Brown University, Providence, Rhode Island 02912, USA.
We derive closed formulas for the first examples of nonalgebraic, elliptic "leading singularities" in planar, maximally supersymmetric Yang-Mills theory and show that they are Yangian invariant.