(CMRX) Stock Institutional Trading Activity


(CMRX) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. 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
Q1 2025Renaissance Technologies LLCSell-131,100689,249$5,865,509
Q4 2024Renaissance Technologies LLCSell-518,941820,349$2,854,815
Q3 2024Renaissance Technologies LLCSell-143,8881,339,290$1,245,540
Q2 2024Renaissance Technologies LLCSell-370,6371,483,178$1,299,264
Q1 2024Renaissance Technologies LLCBuy291,8061,853,815$1,965
Q4 2023Renaissance Technologies LLCBuy520,9001,562,009$1,503
Q3 2023Renaissance Technologies LLCSell-1,030,2001,041,109$999
Q2 2023Renaissance Technologies LLCBuy705,5382,071,309$2,506
Q1 2023Renaissance Technologies LLCBuy708,9761,365,771$1,721
Q4 2022Renaissance Technologies LLCBuy193,686656,795$1,222
Q3 2022Renaissance Technologies LLCSell-573,840463,109$894
Q2 2022Renaissance Technologies LLCSell-420,8401,036,949$2,157
Q1 2022Renaissance Technologies LLCSell-152,2881,457,789$6,677
Q4 2021Renaissance Technologies LLCSell-622,8051,610,077$10,353
Q3 2021Renaissance Technologies LLCSell-266,7672,232,882$13,822
Q2 2021Renaissance Technologies LLCSell-338,9002,499,649$19,997
Q1 2021Renaissance Technologies LLCSell-98,0002,838,549$27,364
Q4 2020Renaissance Technologies LLCSell-9,2402,936,549$14,184
Q3 2020Renaissance Technologies LLCSell-12,5002,945,789$7,335
Q2 2020Renaissance Technologies LLCSell-291,7242,958,289$9,171
Q1 2020Renaissance Technologies LLCBuy295,8773,250,013$4,680
Q4 2019Renaissance Technologies LLCBuy654,5092,954,136$5,997
Q3 2019Renaissance Technologies LLCBuy539,4582,299,627$5,404
Q2 2019Renaissance Technologies LLCBuy435,3801,760,169$7,604
Q1 2019Renaissance Technologies LLCBuy762,5151,324,789$2,782
Q4 2018Renaissance Technologies LLCBuy174,464562,274$1,445
Q3 2018Renaissance Technologies LLCBuy40,189387,810$1,509
Q1 2018Renaissance Technologies LLCBuy88,469347,621$1,808
Q4 2017Renaissance Technologies LLCBuy65,192259,152$1,200
Q3 2017Renaissance Technologies LLCBuy151,000193,960$1,018

Frequently asked questions about CMRX activity

  • Which institutional owners are buying CMRX?

    Institutional owners buying CMRX 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 CMRX activity?

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

  • Is institutional interest in CMRX increasing?

    Institutional interest in CMRX 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.