BIOCRYST PHARMACEUTICALS INC (BCRX) Stock Institutional Trading Activity


BIOCRYST PHARMACEUTICALS INC (BCRX) 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. 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-11,7132,128,821$16,604,804
Q3 2025Renaissance Technologies LLCSell-386,2002,140,534$16,246,653
Q2 2025Renaissance Technologies LLCBuy1,921,5162,526,734$22,639,537
Q1 2025Renaissance Technologies LLCBuy60,197605,218$4,539,135
Q4 2024Renaissance Technologies LLCSell-44,059545,021$4,098,558
Q3 2024Renaissance Technologies LLCSell-371,100589,080$4,477,008
Q2 2024Renaissance Technologies LLCSell-630,200960,180$5,933,912
Q1 2024Renaissance Technologies LLCSell-164,6001,590,380$8,079
Q4 2023Renaissance Technologies LLCBuy1,553,1351,754,980$10,512
Q3 2023Renaissance Technologies LLCSell-363,535201,845$1,429
Q3 2022Renaissance Technologies LLCBuy438,900565,380$7,124
Q2 2022Renaissance Technologies LLCSell-125,000126,480$1,338
Q1 2022Renaissance Technologies LLCSell-156,700251,480$4,089
Q3 2021Renaissance Technologies LLCSell-624,300408,180$5,866
Q2 2021Renaissance Technologies LLCBuy965,0101,032,480$16,324
Q1 2021Renaissance Technologies LLCSell-1,212,91067,470$686
Q4 2020Renaissance Technologies LLCBuy439,6461,280,380$9,539
Q4 2019Renaissance Technologies LLCBuy629,919840,734$2,901
Q3 2019Renaissance Technologies LLCSell-6,388210,815$604
Q3 2018Renaissance Technologies LLCSell-550,600217,203$1,657
Q1 2018Renaissance Technologies LLCBuy371,600767,803$3,662
Q4 2017Renaissance Technologies LLCBuy169,700396,203$1,945
Q3 2017Renaissance Technologies LLCSell-178,000226,503$1,187
Q2 2017Renaissance Technologies LLCBuy185,300404,503$2,249
Q1 2017Renaissance Technologies LLCBuy169,300219,203$1,841
Q4 2016Renaissance Technologies LLCSell-242,31849,903$316
Q1 2016Renaissance Technologies LLCBuy149,318292,221$827
Q4 2015Renaissance Technologies LLCBuy110,500142,903$1,475
Q1 2015Renaissance Technologies LLCSell-58,11132,403$293
Q1 2014Renaissance Technologies LLCBuy90,51490,514$958

Frequently asked questions about BCRX activity

  • Which institutional owners are buying BCRX?

    Institutional owners buying BCRX 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 BCRX activity?

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

  • Is institutional interest in BCRX increasing?

    Institutional interest in BCRX 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.