ORASURE TECHNOLOGIES INC (OSUR) Stock Institutional Trading Activity


ORASURE TECHNOLOGIES INC (OSUR) 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 and Causeway Capital Management. 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-116,1002,145,003$5,190,907
Q3 2025Renaissance Technologies LLCSell-15,2002,261,103$7,258,141
Q2 2025Renaissance Technologies LLCSell-294,8402,276,303$6,828,909
Q1 2025Renaissance Technologies LLCSell-203,3002,571,143$8,664,752
Q4 2024Causeway Capital ManagementBuy10,09210,092$36,432
Q4 2024Renaissance Technologies LLCBuy521,4002,774,443$10,015,739
Q3 2024Renaissance Technologies LLCSell-35,4002,253,043$9,620,494
Q2 2024Renaissance Technologies LLCBuy391,1002,288,443$9,748,767
Q1 2024Renaissance Technologies LLCBuy240,0001,897,343$11,669
Q4 2023Renaissance Technologies LLCSell-119,3691,657,343$13,590
Q3 2023Renaissance Technologies LLCBuy144,9301,776,712$10,536
Q2 2023Renaissance Technologies LLCBuy60,9391,631,782$8,175
Q1 2023Renaissance Technologies LLCBuy23,1001,570,843$9,504
Q4 2022Renaissance Technologies LLCSell-268,3001,547,743$7,460
Q3 2022Renaissance Technologies LLCSell-592,4761,816,043$6,883
Q2 2022Renaissance Technologies LLCBuy1,496,1162,408,519$6,527
Q1 2022Renaissance Technologies LLCBuy91,900912,403$6,186
Q4 2021Renaissance Technologies LLCBuy24,600820,503$7,130
Q3 2021Renaissance Technologies LLCBuy76,400795,903$9,002
Q2 2021Renaissance Technologies LLCBuy70,000719,503$7,296
Q1 2021Renaissance Technologies LLCSell-509,200649,503$7,580
Q4 2020Renaissance Technologies LLCSell-1,189,3071,158,703$12,265
Q3 2020Renaissance Technologies LLCSell-1,536,1402,348,010$28,575
Q2 2020Renaissance Technologies LLCBuy81,3403,884,150$45,173
Q1 2020Renaissance Technologies LLCSell-387,0033,802,810$40,918
Q4 2019Renaissance Technologies LLCSell-426,2904,189,813$33,644
Q3 2019Renaissance Technologies LLCSell-349,7004,616,103$34,482
Q2 2019Renaissance Technologies LLCBuy610,3004,965,803$46,083
Q1 2019Renaissance Technologies LLCBuy205,7004,355,503$48,564
Q4 2018Renaissance Technologies LLCBuy283,5964,149,803$48,470

Frequently asked questions about OSUR activity

  • Which institutional owners are buying OSUR?

    Institutional owners buying OSUR 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 OSUR activity?

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

  • Is institutional interest in OSUR increasing?

    Institutional interest in OSUR 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.