Personalis Ownership | Who Owns Personalis?

Overview Forecast RevenueFinancials Chart Transcripts

Personalis Ownership Summary

Personalis is owned by 38.68% institutional investors, 16.10% insiders, and 45.22% retail investors. Merck is the largest institutional shareholder, holding 23.01% of PSNL shares. ARK Genomic Revolution is the top mutual fund, with 7.89% of its assets in Personalis shares.

PSNL Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Personalis	38.68%	16.10%	45.22%
Sector	Healthcare Stocks	57.39%	9.93%	32.68%
Industry	Diagnostics & Research Stocks	49.06%	8.59%	42.35%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Merck	14.04M	23.01%	$81.18M
Ark investment management	6.78M	11.10%	$39.16M
Blackrock	3.29M	6.50%	$3.85M
Aigh capital management	3.80M	6.22%	$21.96M
Blackrock funding, inc. /de	2.96M	4.84%	$17.08M
Vanguard group	1.73M	2.84%	$10.03M
Millennium management	1.32M	2.16%	$7.61M
Blue water life science advisors, lp	1.13M	1.86%	$6.55M
Renaissance	920.87K	1.51%	$5.32M
Jacobs levy equity management	735.00K	1.45%	$859.96K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Merck	14.04M	31.46%	$81.18M
Aigh capital management	3.80M	6.87%	$21.96M
Blue water life science advisors, lp	1.13M	5.80%	$6.55M
Perkins capital management	257.31K	1.32%	$1.49M
Wellington shields	292.49K	0.52%	$1.69M
Bruce	253.00K	0.47%	$1.46M
Wellington shields capital management	431.18K	0.44%	$2.49M
Ark investment management	6.78M	0.33%	$39.16M
Green alpha advisors	38.98K	0.18%	$225.32K
Entrypoint capital	47.51K	0.12%	$274.63K

Top Buyers

Holder	Shares	% Assets	Change
Merck	14.04M	31.46%	14.04M
Susquehanna group, llp	873.10K	0.00%	718.34K
Abrdn	297.89K	0.00%	297.89K
Qube research	398.52K	0.00%	267.74K
Dimensional fund advisors lp	410.08K	0.00%	242.14K

Top Sellers

Holder	Shares	% Assets	Change
Millennium management	1.32M	0.00%	-1.12M
Marshall wace, llp	70.01K	0.00%	-386.97K
Ark investment management	6.78M	0.33%	-310.09K
Vanguard group	1.73M	0.00%	-235.71K
Aigh capital management	3.80M	6.87%	-200.00K

New Positions

Holder	Shares	% Assets	Change	Value
Merck	14.04M	31.46%	14.04M	$81.18M
Abrdn	297.89K	0.00%	297.89K	$1.72M
683 capital management	134.00K	0.05%	134.00K	$774.52K
Jump financial	101.73K	0.01%	101.73K	$588.01K
Omers administration	81.40K	0.00%	81.40K	$470.49K

Sold Out

Holder	Change
Redwood wealth management group	-100.00
Nelson, van denburg & campbell wealth management group	-100.00
Comerica bank	-283.00
Citadel advisors	-500.00
Eqis capital management	-12.50K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2024	59	-32.18%	23,614,794	-19.46%	38	1.68%	25	-37.50%	22	-24.14%
Sep 30, 2024	87	24.29%	29,319,370	33.53%	48	2.56%	40	110.53%	29	-
Jun 30, 2024	70	-4.11%	21,956,674	-1.41%	43	2.03%	19	-44.12%	29	20.83%
Mar 31, 2024	73	2.82%	22,271,122	1.31%	46	2.27%	34	-	24	20.00%
Dec 31, 2023	71	9.23%	21,982,427	-11.33%	45	1.67%	34	88.89%	20	-20.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
ARK Genomic Revolution	6.68M	7.89%	-353.43K
ARK Genomic Revolution ETF	6.92M	7.84%	266.77K
Vanguard Total Stock Mkt Idx Inv	1.61M	1.82%	-
Nikko Gbl All Biological Genome Eq MF	932.69K	1.41%	-150.91K
Vanguard US Total Market Shares ETF	1.21M	1.37%	-
abrdn Life Sciences Investors	894.21K	1.01%	138.45K
abrdn Healthcare Investors	810.58K	0.92%	328.45K
Vanguard Institutional Extnd Mkt Idx Tr	677.08K	0.77%	20.04K
BlackRock Advantage Small Cap Core Instl	623.43K	0.71%	-4.74K
Kennedy Micro Cap	474.82K	0.54%	474.82K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jan 28, 2025	Tachibana Aaron	CFO AND COO	Sell	$4.10K
Jan 28, 2025	Chen Richard	CHIEF MEDICAL OFFICER AND EVP	Sell	$3.01K
Dec 16, 2024	Chen Richard	CHIEF MEDICAL OFFICER AND EVP	Sell	$18.47K
Dec 16, 2024	Moore Stephen Michael	SVP and Chief Legal Officer	Sell	$5.78K
Dec 16, 2024	Tachibana Aaron	CFO AND COO	Sell	$26.22K

Insider Transactions Trends

Date	Buy	Sell
2025 Q1	-	2
2024 Q4	-	7
2024 Q3	1	2
2024 Q2	-	7
2024 Q1	1	2

PSNL Ownership FAQ

Who Owns Personalis?

Personalis shareholders are primarily institutional investors at 38.68%, followed by 16.10% insiders and 45.22% retail investors. The average institutional ownership in Personalis's industry, Diagnostics & Research Stocks, is 49.06%, which Personalis falls below.

Who owns the most shares of Personalis?

Personalis’s largest shareholders are Merck (14.04M shares, 23.01%), Ark investment management (6.78M shares, 11.10%), and Blackrock (3.29M shares, 6.50%). Together, they hold 40.60% of Personalis’s total shares outstanding.

Does Blackrock own Personalis?

Yes, BlackRock owns 6.50% of Personalis, totaling 3.29M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 3.85M$. In the last quarter, BlackRock increased its holdings by 11.39K shares, a 0.35% change.

Who is Personalis’s biggest shareholder by percentage of total assets invested?

Merck is Personalis’s biggest shareholder by percentage of total assets invested, with 31.46% of its assets in 14.04M Personalis shares, valued at 81.18M$.

Who is the top mutual fund holder of Personalis shares?

ARK Genomic Revolution is the top mutual fund holder of Personalis shares, with 7.89% of its total shares outstanding invested in 6.68M Personalis shares.

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