BIO-TECHNE CORP (TECH) Institutional Ownership Changes & 13F Activity

BIO-TECHNE CORP (TECH) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Durable Capital Partners, Sequoia Fund, Mairs & Power Growth Fund, Sequoia Financial Advisors, and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2021Mairs & Power Growth FundSell-8,819653,815$338,244
Q4 2021Renaissance Technologies LLCBuy6,5009,200$4,760
Q4 2021ARK InvestBuy376376$195
Q4 2021Matrix Private Capital GroupSell-1578$299
Q3 2021Mairs & Power Growth FundSell-66,202662,634$321,092
Q3 2021Renaissance Technologies LLCSell-5,9002,700$1,308
Q3 2021Matrix Private Capital GroupSell-133579$280
Q2 2021Mairs & Power Growth FundSell-41,199728,836$328,166
Q2 2021Renaissance Technologies LLCSell-27,0528,600$3,872
Q1 2021Renaissance Technologies LLCSell-128,31135,652$13,617
Q1 2021Mairs & Power Growth FundSell-78,046770,035$294,099
Q1 2021Matrix Private Capital GroupSell-15712$272
Q4 2020Renaissance Technologies LLCSell-149,512163,963$52,066
Q4 2020Mairs & Power Growth FundSell-7,302848,081$269,308
Q4 2020Matrix Private Capital GroupBuy727727$231
Q3 2020Renaissance Technologies LLCSell-76,700313,475$77,657
Q3 2020Mairs & Power Growth FundSell-46,575855,383$211,904
Q2 2020Mairs & Power Growth FundSell-121,991901,958$238,180
Q2 2020Renaissance Technologies LLCSell-96,645390,175$103,034
Q1 2020Mairs & Power Growth FundBuy20,9971,023,949$194,161
Q1 2020Renaissance Technologies LLCSell-19,331486,820$92,311
Q4 2019Renaissance Technologies LLCSell-60,969506,151$111,105
Q4 2019Mairs & Power Growth FundSell-37,3431,002,952$220,158
Q3 2019Renaissance Technologies LLCBuy94,800567,120$110,968
Q3 2019Mairs & Power Growth FundSell-27,8511,040,295$203,554
Q2 2019Mairs & Power Growth FundSell-85,6041,068,146$222,698
Q2 2019Renaissance Technologies LLCSell-18,000472,320$98,474
Q1 2019Renaissance Technologies LLCSell-130,900490,320$97,353
Q1 2019Mairs & Power Growth FundSell-36,6121,153,750$229,077
Q4 2018Renaissance Technologies LLCBuy177,520621,220$89,903

Frequently asked questions about TECH activity

  • Which institutional owners are buying TECH?

    Institutional owners buying TECH 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 TECH activity?

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

  • Is institutional interest in TECH increasing?

    Institutional interest in TECH 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.

Related TECH insights