Guardant Health Ownership | Who Owns Guardant Health?

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Guardant Health Ownership Summary

Guardant Health is owned by 102.85% institutional investors, 3.97% insiders. Vanguard group is the largest institutional shareholder, holding 9.74% of GH shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.02% of its assets in Guardant Health shares.

GH Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Guardant Health	102.85%	3.97%	-6.82%
Sector	Healthcare Stocks	244.59%	12.11%	-156.70%
Industry	Diagnostics & Research Stocks	86.12%	9.74%	4.14%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	12.16M	9.74%	$1.24B
Blackrock	11.24M	9.23%	$324.55M
Blackrock funding, inc. /de	7.62M	5.81%	$1.14B
Price t rowe associates inc /md/	6.51M	4.96%	$977.44M
Vanguard capital management	5.76M	4.38%	$863.55M
Fmr	5.49M	4.18%	$823.41M
Invesco	4.43M	3.37%	$664.60M
Goldman sachs group	3.78M	2.88%	$566.50M
Two sigma investments, lp	3.72M	2.83%	$558.01M
Capital investors	3.40M	2.59%	$510.04M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Blue water life science advisors, lp	114.75K	10.84%	$17.22M
Cadian capital management, lp	757.39K	8.60%	$113.63M
Sicart associates	231.01K	8.49%	$34.66M
Eagle health investments lp	300.69K	7.48%	$45.11M
Deep track capital, lp	3.39M	7.41%	$509.10M
Exome asset management	67.50K	6.25%	$10.13M
Science & technology partners	208.82K	5.28%	$31.33M
First light asset management	441.59K	4.03%	$66.25M
Adalta capital management	60.31K	3.97%	$9.05M
Eventide asset management	1.96M	3.93%	$293.79M

Top Buyers

Holder	Shares	% Assets	Change
Jane street group	1.78M	0.02%	1.78M
Ameriprise financial	3.15M	0.10%	1.74M
Norges bank	1.55M	0.02%	1.55M
Fmr	5.49M	0.04%	1.37M
Sixth street partners management company	1.27M	0.03%	1.27M

Top Sellers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	7.62M	0.02%	-3.93M
Parkwood	-	-	-2.80M
Baillie gifford	2.28M	0.31%	-1.57M
Geode capital management	2.52M	0.02%	-987.29K
Alyeska investment group	647.82K	0.25%	-841.75K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	1.55M	0.02%	1.55M	$232.32M
Sixth street partners management company	1.27M	0.03%	1.27M	$190.33M
Groupama asset managment	500.00K	0.01%	500.00K	$576.06K
Arrowstreet capital, limited partnership	341.57K	0.02%	341.57K	$51.25M
Clearbridge investments	280.29K	0.03%	280.29K	$42.05M

Sold Out

Holder	Change
Tortoise investment management	-1.00
Evolution advisers	-1.00
Mather group, llc.	-1.00
Capital performance advisors llp	-2.00
Cullen/frost bankers	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	619	22.33%	135,016,479	-0.21%	102	0.93%	352	33.33%	184	13.58%
Mar 31, 2026	267	-48.75%	38,673,007	-70.50%	30	0.27%	133	-53.82%	86	-45.57%
Dec 31, 2025	382	-8.83%	88,822,304	-27.78%	71	0.72%	212	2.91%	119	-11.85%
Sep 30, 2025	287	-25.65%	88,406,783	-29.16%	71	0.70%	148	-26.37%	93	-18.42%
Jun 30, 2025	384	6.96%	124,765,801	5.93%	100	1.11%	199	12.43%	115	2.68%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	4.00M	3.02%	32.98K
Vanguard MStar Total Stk Mkt Idx Invest	4.01M	2.99%	11.68K
Vanguard Morn Total Stk Mkt Idx Investor	4.00M	2.98%	32.98K
Vanguard US Total Market Shares ETF	3.66M	2.97%	3.25K
iShares Russell 2000 ETF	2.97M	2.24%	27.46K
Vanguard Small Cap Index	2.90M	2.16%	6.76K
FullerThaler Behavioral Small-Cap Growth	1.91M	1.42%	137.73K
FullerThaler Beh Small-Cap Growth SMA	1.91M	1.42%	1.83M
Franklin Innovation Composite	1.82M	1.35%	65.68K
US Small-Cap Growth II Equity Comp	1.78M	1.34%	234.61K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 21, 2026	Talasaz AmirAli	Co-Chief Executive Officer	Sell	$1.52M
Aug 21, 2026	Talasaz AmirAli	Co-Chief Executive Officer	Sell	$1.29M
Aug 21, 2026	Talasaz AmirAli	Co-Chief Executive Officer	Sell	$3.53M
Aug 17, 2026	Tariq Musa	-	Sell	$18.15K
Aug 12, 2026	Monroe Terilyn J.	Chief People Officer	Sell	$2.20M

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	18
2026 Q2	1	52
2026 Q1	-	12
2025 Q4	-	51
2025 Q3	-	13

GH Ownership FAQ

Who Owns Guardant Health?

Guardant Health shareholders are primarily institutional investors at 102.85%, followed by 3.97% insiders and -6.82% retail investors. The average institutional ownership in Guardant Health's industry, Diagnostics & Research Stocks, is 86.12%, which Guardant Health exceeds.

Who owns the most shares of Guardant Health?

Guardant Health’s largest shareholders are Vanguard group (12.16M shares, 9.74%), Blackrock (11.24M shares, 9.23%), and Blackrock funding, inc. /de (7.62M shares, 5.81%). Together, they hold 24.78% of Guardant Health’s total shares outstanding.

Does Blackrock own Guardant Health?

Yes, BlackRock owns 9.23% of Guardant Health, totaling 11.24M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 324.55M$. In the last quarter, BlackRock increased its holdings by 223.92K shares, a 2.03% change.

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

Blue water life science advisors, lp is Guardant Health’s biggest shareholder by percentage of total assets invested, with 10.84% of its assets in 114.75K Guardant Health shares, valued at 17.22M$.

Who is the top mutual fund holder of Guardant Health shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Guardant Health shares, with 3.02% of its total shares outstanding invested in 4M Guardant Health shares.

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