Pretty much everyone that invests in the public equity markets holds equity in Apple. In fact, Apple would be most public market investor’s biggest holding (or 2nd biggest due to Microsoft’s recent increases) via index funds.
Even if you are not invested in public equity markets, you can be exposed to them via local and state government’s pension fund investments, because if those do not perform as projected, then your taxes have to make up for it.
With the caveat that if you just invest in indexed funds, if Apple does worse than before, probably some competitor does better than before, and it might compensate. If you just own AAPL stocks on the other hand...
Even if you are not invested in public equity markets, you can be exposed to them via local and state government’s pension fund investments, because if those do not perform as projected, then your taxes have to make up for it.