5. INVESTMENTS

As of December 31, 2021, the Company had interests in 140 partnership or joint venture entities. The limited liability companies and limited partnerships in which the Company is the general partner are generally engaged directly or indirectly in the acquisition, development, operation and ownership of real estate. The accounting principles of these entities are substantially the same as those of the Company. Additionally, the Company has direct investments in several funds, including certain Bridge-sponsored funds. The Company’s investments are summarized below:

(4) Other investments are accounted for using the measurement alternative to measure at cost adjusted for any impairment and observable price changes.

The Company recognized investment income of $339.0 million and $104.7 million for the years ended December 31, 2021 and 2020, respectively, of which $329.6 million and $104.2 million, respectively, related to accrued performance allocations recognized under the equity method.

Of the total accrued carried interest allocations balance as of December 31, 2021 and 2020, $41.0 million and $22.2 million, respectively, were payable to affiliates and is included in accrued carried interest-related compensation in the consolidated and combined balance sheets as of such date.

The Company evaluates each of its equity method investments, excluding Accrued Performance Allocations, to determine if any were significant as defined by the SEC. As of and for the years ended December 31, 2021, 2020 and 2019, no individual equity method investment held by the Company met the significance criteria. As a result, the Company is not required to provide separate financial statements for any of its equity method investments.