We analyzed 11.6k pieces of influencer content sponsored by HarperCollins over the last 12 months.
This report breaks down where & how HarperCollins invests in influencer marketing, which social platforms they prioritize, top geographical markets, and more.
The data in this report comes from Modash's Brand Collaborations API.
P.S. for a simple list of influencers who have collaborated with HarperCollins, see here: HarperCollins influencers.
HarperCollins's influencer campaigns are active year-round with notable month-to-month fluctuation. The chart below shows month-by-month data for total sponsored posts tracked.
Number of sponsored posts
HarperCollins's influencer output appears relatively consistent throughout the year, averaging about 964 sponsored posts per month. November recorded the highest volume at 1.4k posts (45% above average), while June was the quietest at 477 posts.
In our dataset (which only includes Instagram, YouTube, and TikTok), this is how the volume of HarperCollins's sponsored influencer collaborations break down by social platform:
Share of sponsored content by social network
Instagram influencer marketing is a clear focus for HarperCollins.
Here are 2 examples of HarperCollins's recent sponsored collaborations (one each for Instagram, TikTok).
Influencer bio
📚 streamer que gosta de gatos e livros 🫧 cupom na Creamy: CMCAROLZ contato: carol@mecinc.gg
Collaboration metrics
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Influencer bio
Books & Fashion✨ Lexygonzalesshops@gmail.com I Like Big Books & I Cannot Lie📚
Collaboration metrics
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If you break this down further by content type on Instagram, this is what it looks like:
💡 Related resource: How To Find Instagram Influencers.
For their top social platform (Instagram), here is a breakdown of the type of influencers HarperCollins are collaborating with, by audience size.
Note: this breakdown is based on each influencer's average views (not follower/subscriber count), because views typically correlate more closely with influencer pricing and impact.
Based on each influencer's average views per post
With 33.9% of partnerships featuring creators averaging 1K-5K views, HarperCollins's strategy suggests niche targeting and authenticity, likely leveraging collaboration models like gifting and affiliates to work with smaller creators.
Here is an example of a sponsored collaboration with a larger-audience creator on Instagram (257.0k avg views/post):
Influencer bio
Collaboration metrics
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And here is another example with a smaller creator on Instagram (6.5k avg views/post):
Influencer bio
recomendo livros e entrevisto pessoas 📩 contatolucasbarrosd@gmail.com podcast: "não que alguém se importe" saiba mais e me acompanhe:
Collaboration metrics
Get a free trial to find more data on influencer audiences, performance, and collaborations.
Out of 4.2k unique influencers in our dataset, 359 of them (9%) posted content for HarperCollins in 3 or more separate calendar months. The most consistent partner is @violet.hollow, who has collaborated across 13 months with 123 total posts.
Here are 3 examples of HarperCollins's repeat influencer partnerships, with links to the sponsored content.
💡 Related resource: Long-Term Influencer Partnerships: Pros, Cons & How The Pros Manage Them.
In our dataset, United States is where HarperCollins had the most influencer activity. 35.4% of their live influencer content in the last 12 months was posted by American influencers.
Based on the percentage of influencer content per market, other important markets include:
Here is another example of HarperCollins collaborating with an influencer in United States.
HarperCollins markets entertainment and storytelling franchises, similar to Universal Musiek’s creator-driven fandom activations and Harry Potter’s IP-led community reach. These are relevant benchmarks for influencer campaigns built around fandom, launches, and creator-led recommendations.
Total sponsored posts tracked (last 12 months)
HarperCollins leads with 11.6k sponsored posts, significantly outpacing Universal Musiek (7.7k posts) and Harry Potter (1.3k posts). Across all three brands, the average volume is 6.9k posts, indicating mature, scaled influencer programs. HarperCollins has more total posts than Universal Musiek and Harry Potter.
Sponsored posts by platform
HarperCollins leads on TikTok, while Universal Musiek has the most activity on Instagram and YouTube. The gap is most notable on TikTok, with HarperCollins at 5.3k, Universal Musiek at 465, Harry Potter at 0 posts. Universal Musiek's activity is particularly concentrated on Instagram. TikTok activity is much higher for HarperCollins than for Universal Musiek, while Harry Potter has no TikTok posts.
Estimated sponsored posts in HarperCollins's top markets
HarperCollins has the highest estimated sponsored-post volume in United States (4.1k posts, 35.4%), United Kingdom (1.7k posts, 14.3%), India (1.4k posts, 12%), while Universal Musiek has the highest estimated sponsored-post volume in Brazil (1.5k posts, 19.9%), Mexico (549 posts, 7.1%), while Harry Potter leads in Japan with 132 posts (10.1%). Looking at United States specifically, the split is HarperCollins at 4.1k posts (35.4%), Universal Musiek at 1.2k posts (14.9%), Harry Potter at 433 posts (33.1%). HarperCollins's strength in United States and United Kingdom may indicate a home-market focus, while Universal Musiek shows broader regional investment.
Looking for more like this? Here are 5 similar influencer marketing strategy breakdowns for other brands:
Or, if you want to access data like this for your own software or processes, take a look at Modash's API products:
When you outgrow your mishmash of spreadsheets & free tools, try Modash. Find & email influencers, track campaigns, ship products & more - all in one place.