SAREPTA THERAPEUTICS INC (SRPT) Stock Institutional Trading Activity


SAREPTA THERAPEUTICS INC (SRPT) 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, Thunderbird Partners, ARK Invest, 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 2025Renaissance Technologies LLCSell-1,490,6001,159,578$24,954,119
Q3 2025Renaissance Technologies LLCBuy2,025,7002,650,178$51,068,930
Q2 2025Renaissance Technologies LLCBuy394,000624,478$10,678,574
Q3 2024Renaissance Technologies LLCSell-121,522230,478$28,784,397
Q2 2024Renaissance Technologies LLCSell-38,278352,000$55,616,000
Q1 2024Renaissance Technologies LLCSell-172,700390,278$50,525
Q4 2023Renaissance Technologies LLCSell-119,900562,978$54,288
Q3 2023Renaissance Technologies LLCBuy40,800682,878$82,778
Q2 2023Renaissance Technologies LLCSell-164,400642,078$73,531
Q1 2023Renaissance Technologies LLCBuy87,600806,478$111,157
Q4 2022Renaissance Technologies LLCSell-165,300718,878$93,152
Q3 2022Renaissance Technologies LLCBuy490,900884,178$97,737
Q2 2022Renaissance Technologies LLCBuy244,478393,278$29,480
Q1 2022Renaissance Technologies LLCSell-86,778148,800$11,624
Q1 2022Thunderbird PartnersBuy224,883224,883$17,568
Q4 2021Renaissance Technologies LLCBuy227,078235,578$21,214
Q3 2021Renaissance Technologies LLCSell-119,4788,500$786
Q2 2021ARK InvestSell-1,355,851504,442$39,215
Q2 2021Renaissance Technologies LLCSell-28,600127,978$9,949
Q1 2021ARK InvestBuy1,617,3821,860,293$138,648
Q4 2020ARK InvestBuy242,911242,911$41,414
Q3 2020Renaissance Technologies LLCSell-299,900156,578$21,988
Q2 2020Renaissance Technologies LLCBuy376,800456,478$73,192
Q1 2020Renaissance Technologies LLCSell-268,40079,678$7,794
Q3 2019Renaissance Technologies LLCBuy255,200348,078$26,217
Q2 2019ARK InvestSell-2,5040$0
Q2 2019Renaissance Technologies LLCSell-15,10092,878$14,113
Q4 2018ARK InvestBuy2,5042,504$273
Q3 2018Renaissance Technologies LLCSell-147,800107,978$17,440
Q1 2018Renaissance Technologies LLCBuy169,700255,778$18,951

Frequently asked questions about SRPT activity

  • Which institutional owners are buying SRPT?

    Institutional owners buying SRPT 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 SRPT activity?

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

  • Is institutional interest in SRPT increasing?

    Institutional interest in SRPT 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.