PSNLPersonalis, Inc.

$16.00+162% 1Y

Who owns PSNL

157 institutions reported holding PSNL for 2026Q2, together 82% of the company, more than the 139 a quarter earlier.

157

Institutions reporting a position · as of 2026Q2 · up from 139 the quarter before

Shares held by institutions
85.0M

Shares held by institutions · 82% of the company · long US equity positions only, as reported on Form 13F

Reported value
$1.14B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
40%

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

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
29
New positions
42
Positions exited
24
Added to
64
Reduced
32
Top 10 holdersof the company
56%
Shares sold shortsettled Sep 15, 2026
8.3M
Short interestof shares outstanding
7.9%
Days to coverat the average daily volume
3.5
Change in the short positionsince the Aug 31, 2026 count
−1.4%
Institutional ownership by quarter, 2019Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q215785.0M$1.14B
2026Q113984.6M$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
Largest reported holders, 2026Q2
HolderShares% of companyValue
Merck & Co., Inc.14.0M13%$188M
ARK Investment Management LLC8.3M7.9%$111M
BlackRock Inc.7.1M6.8%$95M
LIGHTSPEED MANAGEMENT COMPANY, L.L.C.6.1M5.9%$82M
AMERIPRISE FINANCIAL INC6.1M5.8%$82M
VANGUARD GROUP INC4.2M4.1%$57M
Deep Track Capital, LP4.0M3.8%$54M
Standard Life Aberdeen plc3.7M3.6%$50M
Casdin Capital, LLC2.5M2.4%$34M
KENNEDY CAPITAL MANAGEMENT LLC2.4M2.3%$32M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20268.3M7.9%3.5
Aug 31, 20268.4M8.0%1.8
Aug 14, 20268.4M8.1%3.6
Jul 31, 20268.7M8.4%1.7
Jul 15, 202611.1M11%2.3
Jun 30, 202611.3M11%2.8
Jun 15, 202611.1M11%3.6
May 29, 202612.8M12%4.3
May 15, 202613.7M13%5.6
Apr 30, 202613.1M13%5.8
Apr 15, 202612.4M12%9.5
Mar 31, 202611.8M11%7.4

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. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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