NATERA INC (NTRA) Stock Institutional Trading Activity


NATERA INC (NTRA) 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, Polen Capital Management, ARK Invest, Parnassus Endeavor Fund, and Torray Fund. 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 2024Torray FundSell-18,4503,312$1,585,551
Q1 2024ARK InvestBuy322,384322,384$29,485,220
Q1 2024Renaissance Technologies LLCBuy144,783200,183$18,309
Q1 2024Parnassus Endeavor FundBuy7,0767,076$647,171
Q4 2023Torray FundBuy98721,762$1,363,172
Q4 2023Renaissance Technologies LLCSell-62,30055,400$3,470
Q3 2023Torray FundBuy74920,775$919,294
Q3 2023Renaissance Technologies LLCSell-22,800117,700$5,208
Q2 2023Torray FundBuy16120,026$974,465
Q1 2023Torray FundBuy22219,865$1,102,905
Q4 2022Torray FundBuy2,90319,643$789,059
Q3 2022Torray FundBuy16,74016,740$734
Q1 2022Renaissance Technologies LLCBuy113,300140,500$5,716
Q2 2021Renaissance Technologies LLCSell-186,70027,200$3,088
Q1 2021Renaissance Technologies LLCBuy50,610213,900$21,719
Q4 2020Renaissance Technologies LLCSell-258,510163,290$16,251
Q3 2020Renaissance Technologies LLCBuy47,200421,800$30,471
Q2 2020Renaissance Technologies LLCBuy27,800374,600$18,678
Q1 2020Renaissance Technologies LLCBuy156,800346,800$10,355
Q4 2019Renaissance Technologies LLCBuy91,796190,000$6,401
Q2 2019Renaissance Technologies LLCSell-674,20098,204$2,708
Q1 2019Renaissance Technologies LLCSell-563,200772,404$15,927
Q4 2018Renaissance Technologies LLCSell-192,7961,335,604$18,645
Q3 2018Renaissance Technologies LLCBuy942,4711,528,400$36,590
Q1 2018Renaissance Technologies LLCBuy31,529585,929$5,432
Q4 2017Renaissance Technologies LLCSell-4,600554,400$4,984
Q3 2017Renaissance Technologies LLCBuy100,100559,000$7,206
Q2 2017Renaissance Technologies LLCBuy47,500458,900$4,984
Q1 2017Renaissance Technologies LLCBuy90,600411,400$3,649
Q4 2016Renaissance Technologies LLCBuy108,900320,800$3,757

Frequently asked questions about NTRA activity

  • Which institutional owners are buying NTRA?

    Institutional owners buying NTRA 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 NTRA activity?

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

  • Is institutional interest in NTRA increasing?

    Institutional interest in NTRA 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.