MYRIAD GENETICS INC (MYGN) Stock Institutional Trading Activity


MYRIAD GENETICS INC (MYGN) 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, Disciplined Growth Investors, First Eagle U.S. Value, Tiger Global 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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2021Disciplined Growth InvestorsSell-249,9441,828,131$55,667
Q4 2020Renaissance Technologies LLCSell-58,48349,491$979
Q4 2020Disciplined Growth InvestorsSell-55,8022,078,075$41,094
Q3 2020Renaissance Technologies LLCBuy55,974107,974$1,408
Q3 2020Disciplined Growth InvestorsSell-60,3272,133,877$27,826
Q2 2020Renaissance Technologies LLCSell-43,90052,000$590
Q2 2020Disciplined Growth InvestorsSell-835,1412,194,204$24,882
Q1 2020Disciplined Growth InvestorsBuy171,3303,029,345$43,350
Q4 2019Renaissance Technologies LLCSell-119,37495,900$2,611
Q4 2019Disciplined Growth InvestorsBuy75,9882,858,015$77,824
Q3 2019Disciplined Growth InvestorsBuy74,6632,782,027$79,649
Q2 2019Disciplined Growth InvestorsSell-144,7002,707,364$75,211
Q1 2019Disciplined Growth InvestorsBuy1,511,9312,852,064$94,689
Q4 2018Disciplined Growth InvestorsSell-17,2181,340,133$38,958
Q3 2018Disciplined Growth InvestorsBuy55,8261,357,351$62,438
Q2 2018Disciplined Growth InvestorsSell-19,6461,301,525$48,638
Q1 2018Renaissance Technologies LLCSell-2,005215,274$6,361
Q1 2018Disciplined Growth InvestorsSell-26,6571,321,171$39,041
Q4 2017Renaissance Technologies LLCBuy57,105217,279$7,462
Q4 2017Disciplined Growth InvestorsSell-2791,347,828$46,291
Q3 2017Renaissance Technologies LLCSell-374,526160,174$5,795
Q3 2017Disciplined Growth InvestorsSell-13,4251,348,107$48,775
Q2 2017Disciplined Growth InvestorsBuy2,3351,361,532$35,182
Q1 2017Renaissance Technologies LLCSell-2,151,474534,700$10,266
Q1 2017Disciplined Growth InvestorsSell-9,4381,359,197$26,097
Q4 2016Renaissance Technologies LLCSell-245,5002,686,174$44,779
Q4 2016Disciplined Growth InvestorsBuy16,2781,368,635$22,815
Q3 2016Renaissance Technologies LLCBuy1,599,3742,931,674$60,334
Q3 2016Disciplined Growth InvestorsSell-4,8251,352,357$27,832
Q2 2016First Eagle U.S. ValueBuy84,154368,980$11,291

Frequently asked questions about MYGN activity

  • Which institutional owners are buying MYGN?

    Institutional owners buying MYGN 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 MYGN activity?

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

  • Is institutional interest in MYGN increasing?

    Institutional interest in MYGN 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.