Fink sent a letter Tuesday to the CEOs of 500 companies, saying too many of them were trying to return money to shareholders.
He wrote that the move "sends a discouraging message about a company's ability to use its resources wisely and develop a coherent plan to create value over the long term."
Read MoreLarry Fink to CEOs: Stop being so nice to investors
Broussard concurred that long-term investing is important for short-term value as well as longer-term sustainability, especially in health care where there are so many ongoing changes.
While companies may be pressured by activist investors to buy back stocks or raise dividends, Broussard said it's important to have conversations with shareholders to lay out the firm's strategy.
"With the proper explanation and the proper view of the future, we find our investors are supportive of what we do," he said in an interview with "Power Lunch."
"We find that if you have the strategy, they usually will support you long term."
In his letter, Fink argued that "the effects of the short-termist phenomenon are troubling both to those seeking to save for long-term goals such as retirement and for our broader economy."
He went on to say that corporate leaders have responded to pressures to return capital, "while underinvesting in innovation, skilled workforces or essential capital expenditures necessary to sustain long-term growth."