Janux Therapeutics, Inc. (JANX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

62,341,026Shares Outstanding

15,881,115Shares held by institutions

$209,789,529Value of institutional holdings

104.58%Institutional ownership %

4.02%Shares Changed QoQ

175No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Janux Therapeutics, Inc. (NASDAQ:JANX) includes 176 filers as of the latest reporting cycle ending December 2025.

Institutional ownership in Janux Therapeutics edged down to 99.6% in December 2025, compared to 104.6% in September 2025.
Institutional share ownership changed by 8.57% QoQ, while the number of institutional owners saw a decrease of 18.14% YoY.
The latest 13F cycle for Janux Therapeutics reveals that of 176 total investors, 114 funds grew their exposure, whereas 39 reduced theirs and 23 made no changes.
Collectively, institutional investors increased their stake in Janux Therapeutics to 62.11Mn shares as of December 2025, a change that is up by 4.90Mn shares quarter on quarter and down 2.01Mn shares year over year.
RA CAPITAL MANAGEMENT, L.P.'s holding of 11.19Mn shares as of December 31, 2025 makes it the primary institutional investor in Janux Therapeutics, owning 17.95% of the stock.
Among the most significant buyers of Janux Therapeutics during December 2025 were STATE STREET CORP (1.96Mn), TCG Crossover Management, LLC (1.79Mn), Prosight Management, LP (1.53Mn), WELLINGTON MANAGEMENT GROUP LLP (908.58K), BALYASNY ASSET MANAGEMENT L.P. (885.55K).
Leading sellers of Janux Therapeutics stock in December 2025 included FMR LLC (5.54Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (2.38Mn), T. Rowe Price Investment Management, Inc. (970.97K), Point72 Asset Management, L.P. (748.38K), FRANKLIN RESOURCES INC (502.45K).
The top 10 institutional holders of Janux Therapeutics for the quarter ending December 2025 included RA CAPITAL MANAGEMENT, L.P. (11.19Mn), JANUS HENDERSON GROUP PLC (5.35Mn), BlackRock, Inc. (4.08Mn), STATE STREET CORP (3.85Mn), FMR LLC (3.51Mn), VANGUARD GROUP INC (2.91Mn), Prosight Management, LP (2.39Mn), ORBIMED ADVISORS LLC (1.95Mn), TCG Crossover Management, LLC (1.79Mn), WELLINGTON MANAGEMENT GROUP LLP (1.61Mn).

176 Institutional Holders

15,881,115 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
RA CAPITAL MANAGEMENT, L.P.	31 Dec, 2025	11,189,693	0	0.00%	$154,417,763.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	5,350,453	649,341	13.81%	$73,850,341.00
BlackRock, Inc.	31 Dec, 2025	4,080,200	349,206	9.36%	$56,306,760.00
STATE STREET CORP	31 Dec, 2025	3,853,951	1,962,486	103.75%	$53,184,524.00
FMR LLC	31 Dec, 2025	3,512,384	-5,543,678	-61.22%	$48,470,898.00
VANGUARD GROUP INC	31 Dec, 2025	2,906,386	489,282	20.24%	$40,108,126.00
Prosight Management, LP	31 Dec, 2025	2,392,523	1,527,173	176.48%	$33,016,817.00
ORBIMED ADVISORS LLC	31 Dec, 2025	1,954,426	188,326	10.66%	$26,971,079.00
TCG Crossover Management, LLC	31 Dec, 2025	1,789,617	1,789,617	0.00%	$24,696,715.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	1,610,186	908,582	129.50%	$22,220,567.00
Alyeska Investment Group, L.P.	31 Dec, 2025	1,301,089	876,244	206.25%	$17,955,028.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,113,582	29,718	2.74%	$15,370,581.00
CITADEL ADVISORS LLC	31 Dec, 2025	1,104,144	301,360	37.54%	$15,237,187.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,073,656	418,548	63.89%	$14,816,453.00
Woodline Partners LP	31 Dec, 2025	1,027,221	283	0.03%	$14,175,650.00
Logos Global Management LP	31 Dec, 2025	1,000,000	65,000	6.95%	$13,800,000.00
Point72 Asset Management, L.P.	31 Dec, 2025	961,819	-748,381	-43.76%	$13,273,102.00
READYSTATE ASSET MANAGEMENT LP	31 Dec, 2025	885,895	-74,484	-7.76%	$12,225,351.00
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	885,551	885,551	0.00%	$12,220,604.00
Caption Management, LLC	31 Dec, 2025	782,500	673,800	619.87%	$10,798,500.00

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