Largest shareholders include BlackRock Inc., Vanguard Group Inc, Pentwater Capital Management LP, Pentwater Capital Management LP, Dimensional Fund Advisors Lp, State Street Corp, HAP Trading, LLC, Bluefin Capital Management, Llc, IJH - iShares Core S&P Mid-Cap ETF, and VTSMX - Vanguard Total Stock Market Index Fund
Notice the mutual funds in here? That person is right.