AQR Capital Management LLC grew its holdings in Principal Financial Group by 443.6% during the 1st quarter. AQR Capital Management LLC now owns 645,431 shares of the company's stock valued at $53,597,000 after buying an additional 526,701 shares in the last quarter. Finally, GAMMA Investing LLC grew its holdings in Principal Financial Group by 11,781.7% during the 1st quarter. GAMMA Investing LLC now owns 478,715 shares of the company's stock valued at $40,389,000 after buying an additional 474,686 shares in the last quarter. 75.08% of the stock is currently owned by institutional investors.