No. Apple has a history of being extremely careful with personal data, and almost always goes out of its way to make sure it never even collects anything personalized. Of course, those could all be lies, I suppose.
They cover ads in Apple News, the App Store Search ads and promotions, and there's the results of Siri search I suppose too. But all of these are internal Apple products and marketplaces. They are not running advertising auctions to any bidder on the basis of guaranteed user groups or targeting strategies.
If you are in fact suggesting that they sell ads beyond their internal marketplaces I'd consider that motivation to move away from them myself, and I converted away from OSS when I got bored fixing my workstation more than my work.
