Tandem Diabetes Care, Inc. (TNDM) has traversed a rocky path in 2020 and early 2021. The diabetes equipment supplier has seen both growth and setbacks along the way and yet managed to climb to the impressive ranking of two on the WhaleWisdom HeatMap in the fourth quarter.

Carvana Co. (CVNA) saw improved performance over the past ten months after a dip in February and March 2020 related to the coronavirus pandemic. Carvana outperformed the S&P 500, rising by approximately 221.6% compared to the S&P’s gain of about 21.8% since the end of 2019. This has helped to propel the stock up to number one on the Whale Wisdom Heat Map, from a previous rank of 24.

Sea Limited ADR (SE) saw impressive growth over the past year, substantially outperforming the S&P 500 and rising on the WhaleWisdom Heatmap to a ranking of nine. Hedge funds and institutions are actively buying the equity. Sea’s stock rose by approximately 582.82% since the start of 2020, a whopping gain compared to the S&P’s increase of about 21.2%.

PayPal Holdings, Inc. (PYPL) saw strong momentum over the past year, significantly outperforming the S&P 500 and rising by approximately 150.0% compared to the S&P’s gain of about 19.8%.

Apple Inc. (AAPL) saw strong performance over the past 12 months, outperforming the S&P 500 and rising by approximately 86.7% compared to the S&P’s gain of about 17.2%. Despite strong growth, hedge funds and institutions actively sold the stock in the third quarter, which explains the company’s recent slide in rating on the WhaleWisdom Heat Map to 40 from 4.