PERSONALIS INC (PSNL) Stock Institutional Trading Activity


PERSONALIS INC (PSNL) 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, and ARK Invest. 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 2025Polen Capital ManagementBuy50,70550,705$403,612
Q4 2025Renaissance Technologies LLCSell-360,04992,994$740,232
Q3 2025ARK InvestBuy802,2687,910,191$51,574,445
Q3 2025Renaissance Technologies LLCSell-110,200453,043$2,953,840
Q2 2025ARK InvestSell-80,2747,107,923$46,627,975
Q2 2025Renaissance Technologies LLCSell-470,711563,243$3,694,874
Q1 2025ARK InvestBuy412,7627,188,197$25,230,571
Q1 2025Renaissance Technologies LLCBuy113,0861,033,954$3,629,179
Q4 2024ARK InvestSell-310,0886,775,435$39,162,014
Q4 2024Renaissance Technologies LLCSell-10,243920,868$5,322,617
Q3 2024ARK InvestBuy723,6377,085,523$38,120,114
Q3 2024Renaissance Technologies LLCSell-98,200931,111$5,009,377
Q2 2024ARK InvestBuy296,4136,361,886$7,443,406
Q2 2024Renaissance Technologies LLCSell-68,2001,029,311$1,204,294
Q1 2024ARK InvestSell-606,0726,065,473$9,037,555
Q1 2024Renaissance Technologies LLCBuy256,7001,097,511$1,635
Q4 2023ARK InvestBuy952,1186,671,545$14,010,244
Q4 2023Renaissance Technologies LLCBuy288,336840,811$1,766
Q3 2023ARK InvestSell-16,7365,719,427$6,920,507
Q3 2023Renaissance Technologies LLCBuy100,275552,475$668
Q2 2023ARK InvestSell-44,2015,736,163$10,783,986
Q2 2023Renaissance Technologies LLCBuy5,000452,200$850
Q1 2023ARK InvestBuy279,9645,780,364$15,953,805
Q1 2023Renaissance Technologies LLCSell-195,711447,200$1,234
Q4 2022ARK InvestBuy53,8885,500,400$10,890,792
Q4 2022Renaissance Technologies LLCSell-45,424642,911$1,273
Q3 2022ARK InvestBuy98,6925,446,512$16,176
Q3 2022Renaissance Technologies LLCSell-76,476688,335$2,044
Q2 2022ARK InvestBuy163,0365,347,820$21,177
Q2 2022Renaissance Technologies LLCBuy672,400764,811$2,639

Frequently asked questions about PSNL activity

  • Which institutional owners are buying PSNL?

    Institutional owners buying PSNL 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 PSNL activity?

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

  • Is institutional interest in PSNL increasing?

    Institutional interest in PSNL 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.