ESPERION THERAPEUTICS INC (ESPR) Stock Institutional Trading Activity


ESPERION THERAPEUTICS INC (ESPR) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Polen Capital Management, and Viking Global Investors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Polen Capital ManagementBuy116,292116,292$430,280
Q4 2025Renaissance Technologies LLCBuy1,420,7002,194,600$8,120,020
Q3 2025Renaissance Technologies LLCBuy481,500773,900$2,050,835
Q2 2025Renaissance Technologies LLCSell-286,400292,400$287,839
Q4 2024Renaissance Technologies LLCSell-335,300578,800$1,273,360
Q3 2024Renaissance Technologies LLCSell-507,800914,100$1,508,265
Q2 2024Renaissance Technologies LLCSell-694,6001,421,900$3,156,618
Q1 2024Renaissance Technologies LLCBuy696,4002,116,500$5,672
Q4 2023Renaissance Technologies LLCBuy1,213,9441,420,100$4,246
Q3 2023Renaissance Technologies LLCBuy91,856206,156$202
Q2 2023Renaissance Technologies LLCSell-172,400114,300$159
Q3 2022Renaissance Technologies LLCSell-98,600286,700$1,921
Q2 2022Renaissance Technologies LLCSell-36,900385,300$2,451
Q1 2022Renaissance Technologies LLCBuy280,300422,200$1,959
Q3 2019Renaissance Technologies LLCSell-95,600141,900$5,202
Q2 2019Renaissance Technologies LLCBuy41,905237,500$11,049
Q1 2019Renaissance Technologies LLCBuy177,695195,595$7,853
Q4 2018Renaissance Technologies LLCBuy3,40017,900$823
Q3 2017Renaissance Technologies LLCSell-304,30014,500$727
Q3 2016Renaissance Technologies LLCBuy211,200318,800$4,415
Q1 2016Renaissance Technologies LLCSell-253,600107,600$1,820
Q4 2015Renaissance Technologies LLCBuy361,200361,200$8,040
Q2 2015Viking Global InvestorsBuy1,258,1881,395,107$114,064
Q1 2015Viking Global InvestorsBuy136,919136,919$12,679

Frequently asked questions about ESPR activity

  • Which institutional owners are buying ESPR?

    Institutional owners buying ESPR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ESPR activity?

    "Buy" means an investor increased their reported position in ESPR compared to the prior reporting period. This reflects growing exposure to ESPERION THERAPEUTICS INC (ESPR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ESPR increasing?

    Institutional interest in ESPR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.