They're vultures and parasites. They get a friendly CEO into a company who then sells off useful assets and changes to renting/leasing.

Does your org own property/offices. Sell those of to another company under the hedge to show high numbers for the first numbers. Then the company needs to rent - often from those same funds and possibly that exact same property they're still in - which then makes the business less and less profitable as supply chain is also replaced with whatever profits the hedge most.

Finally, declare bankruptcy, fire-sale any remaining assets (probably to hedge-fund buddies), close up shop and let all the workers go