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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Cash flows from operating activities |  |
Net income | $ 764.8 | $ 166.6
Adjustments to reconcile net income to net cash provided by operating activities |  |
Depreciation and amortization of property and equipment | 49.0 | 46.1
Stock-based compensation expense | 57.5 | 58.3
Net (gains) losses recognized on investments | (59.5) | 167.3
Net change in T. Rowe Price investment products used to economically hedge supplemental savings plan liability | 22.0 | (8.9)
Net change in securities held by consolidated T. Rowe Price investment products | (120.9) | 234.6
Other changes in assets and liabilities | 281.8 | 123.7
Net cash provided by operating activities | 994.7 | 787.7
Cash flows from investing activities |  |
Purchases of T. Rowe Price investment products | (12.5) | (225.1)
Dispositions of T. Rowe Price investment products | 60.3 | 299.1
Net cash of T. Rowe Price investment products on deconsolidation | (27.3) | (0.8)
Additions to property and equipment | (58.8) | (46.0)
Other investing activity | 7.5 | 0.4
Net cash (used in) provided by investing activities | (30.8) | 27.6
Cash flows from financing activities |  |
Repurchases of common stock | (259.2) | (891.3)
Common share issuances under stock-based compensation plans | 20.9 | 38.1
Dividends paid to common stockholders of T. Rowe Price Group | (252.3) | (215.2)
Net subscriptions received from redeemable non-controlling interest holders | 183.1 | 76.1
Net cash used in financing activities | (307.5) | (992.3)
Effect of exchange rate changes on cash and cash equivalents of consolidated T. Rowe Price investment products | 0.9 | (1.2)
Net change in cash and cash equivalents during period | 657.3 | (178.2)
Cash and cash equivalents at beginning of period | 2,256.5 | 1,858.3
Cash and cash equivalents at ending of period | $ 2,913.8 | $ 1,680.1

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