PSNLPersonalis, Inc.

$17.06

Who owns PSNL

141 institutions reported holding PSNL for 2026Q1, together 81% of the company, more than the 123 a quarter earlier.

141

Institutions reporting a position · as of 2026Q1 · up from 123 the quarter before

Shares held by institutions
84.6M

Shares held by institutions · 81% of the company · long US equity positions only, as reported on Form 13F

Reported value
$540M

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
41%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
28
New positions
31
Positions exited
17
Added to
47
Reduced
32
Top 10 holdersof the company
59%
Institutional ownership by quarter, 2019Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q114184.6M$540M
2025Q412381.0M$645M
2025Q310764.7M$422M
2025Q210460.5M$397M
2025Q110454.8M$192M
2024Q410651.6M$298M
2024Q38329.3M$162M
2024Q26922.0M$26M
2024Q17122.3M$33M
2023Q46922.0M$46M
2023Q36224.7M$30M
2023Q26526.1M$49M
2023Q16227.1M$75M
2022Q48027.8M$55M
2022Q38128.4M$84M
2022Q29929.9M$106M
Largest reported holders, 2026Q1
HolderShares% of companyValue
Merck & Co., Inc.14.0M13%$89M
LIGHTSPEED MANAGEMENT COMPANY, L.L.C.8.2M7.8%$52M
ARK Investment Management LLC7.9M7.6%$51M
AMERIPRISE FINANCIAL INC7.6M7.3%$48M
BlackRock Inc.5.4M5.2%$34M
T. Rowe Price Investment Management, Inc.4.8M4.6%$30M
VANGUARD GROUP INC3.9M3.7%$25M
Standard Life Aberdeen plc3.5M3.3%$22M
Deep Track Capital, LP3.0M2.9%$19M
AIGH Capital Management LLC2.9M2.8%$18M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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