MODERNA INC (MRNA) Stock Institutional Trading Activity


MODERNA INC (MRNA) 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, H&H International Investment, ARK Invest, Sequoia Financial Advisors, and Lone Pine Capital. 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 2020Viking Global InvestorsSell-2,326,869994,886$29,797
Q4 2019Viking Global InvestorsSell-1,356,0263,321,755$64,974
Q3 2019Viking Global InvestorsSell-3,519,6774,677,781$74,470
Q2 2019Renaissance Technologies LLCBuy281,800281,800$4,126
Q2 2019Viking Global InvestorsSell-8,470,4088,197,458$120,011
Q1 2019Viking Global InvestorsSell-413,29816,667,866$339,191
Q4 2018Viking Global InvestorsBuy17,081,16417,081,164$260,829

Frequently asked questions about MRNA activity

  • Which institutional owners are buying MRNA?

    Institutional owners buying MRNA 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 MRNA activity?

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

  • Is institutional interest in MRNA increasing?

    Institutional interest in MRNA 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.