PERSONALIS INC (PSNL) Institutional Ownership Changes & 13F Activity

PERSONALIS INC (PSNL). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ameriprise Financial Inc, Lightspeed Management Company, L.L.C., Bank Of America Corp, Price T Rowe Associates Inc, and Deep Track Capital, Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+4,311+30.4%18,490$247.77KQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+144,998144,998$1.94MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemBuy+72,552+2673.2%75,266$1.01MQ2 2026Aug 24, 2026
Ameriprise Financial IncBuy+6,086,3156,086,315$81.56MQ2 2026Aug 14, 2026
Lightspeed Management Company, L.L.C.Sell-2,058,884-25.2%6,101,850$81.76MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+1,709,235+1535.6%1,820,541$24.40MQ2 2026Aug 14, 2026
Price T Rowe Associates IncSell-1,491,303-90.4%158,838$2.13MQ2 2026Aug 14, 2026
Deep Track Capital, LpBuy+1,000,000+33.3%4,000,000$53.60MQ2 2026Aug 14, 2026
Casdin Capital, LlcBuy+950,000+59.4%2,550,000$34.17MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+738,241738,241$9.89MQ2 2026Aug 14, 2026
Hrt Financial LpBuy+721,925+345.6%930,816$12.47MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+600,216600,216$8.04MQ2 2026Aug 14, 2026
ARK InvestBuy+327,227+4.1%8,271,339$110.84MQ2 2026Aug 14, 2026
Gilder Gagnon Howe & Co LlcBuy+278,490278,490$3.73MQ2 2026Aug 14, 2026
Stempoint Capital LpBuy+247,783247,783$3.32MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+193,899+26.3%931,031$12.48MQ2 2026Aug 14, 2026
Kennedy Capital Management LlcBuy+180,710+8.3%2,364,282$31.68MQ2 2026Aug 14, 2026
Fred Alger Management, LlcBuy+165,579165,579$2.22MQ2 2026Aug 14, 2026
Engineers Gate Manager LpBuy+115,842115,842$1.55MQ2 2026Aug 14, 2026
Brevan Howard Capital Management LpBuy+99,54299,542$1.33MQ2 2026Aug 14, 2026
Sei Investments CoSell-87,013-62.6%52,033$697.24KQ2 2026Aug 14, 2026
Invesco Ltd.Buy+83,36883,368$1.12MQ2 2026Aug 14, 2026
Nano Cap New Millennium Growth Fund L PSell-77,500-33.0%157,500$2.11MQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+64,694+44.7%209,320$2.80MQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlBuy+64,495+30.7%274,321$3.68MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-62,354-41.8%86,982$1.17MQ2 2026Aug 14, 2026
Susquehanna Portfolio Strategies, LlcBuy+60,007+97.9%121,299$1.63MQ2 2026Aug 14, 2026
Exoduspoint Capital Management, LpBuy+49,25649,256$660.03KQ2 2026Aug 14, 2026
Schonfeld Strategic Advisors LlcBuy+48,98948,989$656.45KQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+46,253+78.4%105,225$1.41MQ2 2026Aug 14, 2026
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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.