[stacyjones (OP)]

Accepted at APS Physical Review D:

Massive gravitons as dark matter and gravitational waves
(https://journals.aps.org/prd/accepted/8b07dQ8dFbd1051b06704364802ee6ba42eea6f5e)

Precursor:

Bigravitons as dark matter and gravitational waves
(https://arxiv.org/abs/1604.06704)

the massive graviton is a viable candidate of dark matter ... We first derive the energy-momentum tensor of the massive graviton and show that it indeed behaves as that of dark matter fluid.