An insurer may not acquire an investment in an investment pool if, as a result of and after making the investment, the aggregate amount of investments held by the insurer under this subchapter at the time of the investment:
(1) in a single investment pool would exceed 10 percent of the insurer's admitted assets;
(2) in all investment pools investing in investments authorized under Section 424.107 would exceed 25 percent of the insurer's admitted assets; or
(3) in all investment pools would exceed 35 percent of the insurer's admitted assets.