Janux Therapeutics Ownership | Who Owns Janux Therapeutics?

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Janux Therapeutics Ownership Summary

Janux Therapeutics is owned by 104.28% institutional investors, 6.58% insiders. Ra capital management is the largest institutional shareholder, holding 18.08% of JANX shares. Fidelity Growth Compy Commingled Pl S is the top mutual fund, with 3.67% of its assets in Janux Therapeutics shares.

JANX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Janux Therapeutics	104.28%	6.58%	-10.87%
Sector	Healthcare Stocks	42.54%	10.83%	46.63%
Industry	Biotech Stocks	45.22%	10.75%	44.04%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Ra capital management	11.19M	18.08%	$273.48M
Fmr	9.06M	14.63%	$221.33M
Janus henderson group	3.56M	6.52%	$190.62M
Blackrock funding, inc. /de	3.73M	6.03%	$91.19M
Blackrock	2.34M	4.78%	$98.19M
Paradigm biocapital advisors lp	2.92M	4.72%	$71.37M
Adage capital partners gp	2.77M	4.48%	$67.82M
Vanguard group	2.42M	3.90%	$59.07M
State street	1.89M	3.06%	$46.23M
Orbimed advisors	1.77M	2.85%	$43.16M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Avalon ventures management	53.30K	9.17%	$1.30M
Prosight management, lp	865.35K	4.93%	$21.15M
Ra capital management	11.19M	3.37%	$273.48M
Bioimpact capital	614.28K	2.46%	$15.01M
First turn management	639.70K	2.35%	$15.63M
Logos global management lp	935.00K	2.05%	$22.85M
Paradigm biocapital advisors lp	2.92M	2.03%	$71.37M
Cormorant asset management, lp	850.00K	1.43%	$20.77M
Orbimed advisors	1.77M	1.02%	$43.16M
Readystate asset management lp	960.38K	1.00%	$23.47M

Top Buyers

Holder	Shares	% Assets	Change
Janus henderson group	3.56M	0.10%	1.04M
Holocene advisors, lp	1.02M	0.17%	1.02M
T. rowe price investment management	972.69K	0.01%	972.69K
Blackrock	2.34M	0.00%	650.02K
Orbimed advisors	1.77M	1.02%	555.80K

Top Sellers

Holder	Shares	% Assets	Change
Ecor1 capital	-	-	-1.47M
Rtw investments, lp	-	-	-1.00M
Lord, abbett	-	-	-667.88K
Cormorant asset management, lp	850.00K	1.43%	-650.00K
Price t rowe associates inc /md/	1.27M	0.00%	-527.87K

New Positions

Holder	Shares	% Assets	Change	Value
Holocene advisors, lp	1.02M	0.17%	1.02M	$54.35M
T. rowe price investment management	972.69K	0.01%	972.69K	$23.77M
Congress asset management co /ma	55.77K	0.01%	55.77K	$1.36M
Ghost tree capital	50.00K	0.66%	50.00K	$2.09M
Tig advisors	42.59K	0.16%	42.59K	$2.28M

Sold Out

Holder	Change
National bank of canada /fi/	-1.00
Quantbot technologies lp	-1.00
Corecap advisors	-9.00
Signaturefd	-9.00
Stephens consulting	-15.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	172	-1.71%	64,553,591	1.68%	104	0.99%	79	-14.13%	59	15.69%
Jun 30, 2025	180	-6.25%	65,438,049	-1.58%	105	0.91%	93	-21.19%	53	23.26%
Mar 31, 2025	7	-96.93%	3,447,727	-94.63%	5	0.04%	5	-96.82%	1	-97.73%
Dec 31, 2024	213	29.09%	61,331,550	34.45%	112	1.61%	149	67.42%	37	-22.92%
Sep 30, 2024	164	2.50%	45,609,396	2.07%	83	1.24%	88	-20.00%	48	45.45%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Fidelity Growth Compy Commingled Pl S	2.20M	3.67%	2.89K
Fidelity Growth Compy Commingled Pl O	1.65M	3.16%	20.65K
Fidelity Growth Company Fund	1.56M	2.60%	-9.34K
Vanguard Total Stock Mkt Idx Inv	1.18M	1.98%	-26.09K
Vanguard US Total Market Shares ETF	1.00M	1.69%	193.50K
iShares Russell 2000 ETF	945.98K	1.57%	-
Fidelity Select Health Care	699.39K	1.16%	-
Fidelity Small Cap Growth	696.57K	1.16%	-
US Small-Cap Growth II Equity Comp	609.99K	1.03%	143.97K
SPDR® S&P Biotech ETF	571.67K	0.95%	1.27K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 01, 2025	Meyer Andrew Hollman	Chief Business Officer	Sell	$88.71K
Dec 01, 2025	Meyer Andrew Hollman	Chief Business Officer	Sell	$21.22K
Nov 14, 2025	Meyer Andrew Hollman	Chief Business Officer	Sell	$99.99K
Oct 28, 2025	Meyer Andrew Hollman	Chief Business Officer	Sell	$500.99K
May 01, 2025	Meyer Andrew Hollman	Chief Business Officer	Sell	$93.70K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	4
2025 Q2	-	3
2025 Q1	4	11
2024 Q4	1	23
2024 Q3	-	33

JANX Ownership FAQ

Who Owns Janux Therapeutics?

Janux Therapeutics shareholders are primarily institutional investors at 104.28%, followed by 6.58% insiders and -10.86% retail investors. The average institutional ownership in Janux Therapeutics's industry, Biotech Stocks , is 45.22%, which Janux Therapeutics exceeds.

Who owns the most shares of Janux Therapeutics?

Janux Therapeutics’s largest shareholders are Ra capital management (11.19M shares, 18.08%), Fmr (9.06M shares, 14.63%), and Janus henderson group (3.56M shares, 6.52%). Together, they hold 39.23% of Janux Therapeutics’s total shares outstanding.

Does Blackrock own Janux Therapeutics?

Yes, BlackRock owns 4.78% of Janux Therapeutics, totaling 2.34M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 98.19M$. In the last quarter, BlackRock increased its holdings by 650.02K shares, a 38.37% change.

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

Avalon ventures management is Janux Therapeutics’s biggest shareholder by percentage of total assets invested, with 9.17% of its assets in 53.3K Janux Therapeutics shares, valued at 1.3M$.

Who is the top mutual fund holder of Janux Therapeutics shares?

Fidelity Growth Compy Commingled Pl S is the top mutual fund holder of Janux Therapeutics shares, with 3.67% of its total shares outstanding invested in 2.2M Janux Therapeutics shares.

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