Personalis Inc (PSNL) Quarterly Institutional 13F Update (Q2 2026)

PSNL ranks #3545 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

PSNL is a disclosed holding of Cathie Wood (ARK Investment Management), one of the tracked superinvestors on AlphaSMO — it makes up 0.7% of that fund's own 13F portfolio.

PSNL is a top-conviction position for Merck & Co., Inc. — at 35.8% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

Bank Of America CORP /de/ has added to its PSNL position for two straight quarters, increasing it by $23.9M to reach $24.4M today.

Price T Rowe Associates Inc /md/ has trimmed its PSNL position for two straight quarters, cutting it by $9.4M while still holding $2.1M.

PSNL is up 1.6% today, and institutions have been net buyers of $138.6M this quarter — today's price move and the underlying institutional flow are pointing the same direction.

PSNL reported a net loss of $107.2M over the trailing twelve months.

• Not yet profitable — net loss of $107.2M over the trailing twelve months
• Revenue declined 13.3% year over year
• Net income declined year over year, from -$91.3M to -$107.2M
• Operating cash flow was negative, using $74.9M in cash
• Current ratio of 6.76x — enough short-term assets to cover short-term liabilities
• Liabilities run 0.28x equity — within a conventional range