N.M. Stat. § 45-2-605
Increase in securities; accessions.
A. If a testator executes a will that devises securities and the testator then owned
securities that meet the description in the will, the devise includes additional securities
owned by the testator at death to the extent the additional securities were acquired by
the testator after the will was executed as a result of the testator's ownership of the
described securities and are securities of any of the following types:
(1)
securities of the same organization acquired by reason of action initiated
by the organization or any successor, related or acquiring organization, excluding any
acquired by exercise of purchase options;
(2)
securities of another organization acquired as a result of merger,
consolidation, reorganization or other distribution by the organization or any successor,
related or acquiring organization; or
(3)
securities of the same organization acquired as a result of a plan of
reinvestment.
B. Distributions in cash before death with respect to a described security are not
part of the devise.