Enterprises track competitor influencer partnerships over time by employing various strategies that utilize the capabilities of influencer marketing platforms. Here are some typical approaches:

1) Social Listening: Enterprises keep an eye on social media trends, hashtags, and conversations related to competitors. Tools like Brandwatch or Hootsuite are excellent for monitoring social media chatter.

2) Analyzing Content: Skimming through the content posted by influencers affiliated with competitors can reveal valuable insights about their strategy. Brands can use platforms like Traackr or BuzzSumo for this purpose.

3) Influencer Identification Tools: Certain platforms provide features to spot influencers who’ve previously worked with rivals. An example is Flinque, which offers robust influencer discovery and audience analytics features.

4) Direct Competitor Analysis: Additionally, some platforms have features dedicated to competitor partnership analysis. They may even rank these partnerships based on reach, engagement, or other meaningful metrics.

5) Engagement and Performance Metrics: Brands use tools to track engagement metrics like Likes, Shares, and Comments, or performance metrics like click-through rates from influencers affiliated with competitors.

Each of these approaches vary in their emphasis and focus. Some may provide more robust data, while others serve different niche needs. For instance, Flinque’s strengths lay in its capabilities in audience analytics and campaign workflows, which could be more beneficial for certain brands. The most suitable platform and approach depend entirely on a brand’s specific requirements and strategies.