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Which hedge funds own JANX? JANUX THERAPEUTICS INC, Q2 2026 13F holders

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9 of the hedge funds tracked by WhaleCreep disclosed a position in JANX (JANUX THERAPEUTICS INC) in their Q2 2026 13F filings, worth $252.4m in total. The largest holder by portfolio weight is RA Capital Management at 1.5% of its book. 1 manager opened a new position this quarter: Marshall Wace. 1 exited: Irenic Capital Management.

9tracked managers holding
1opened this quarter
1exited this quarter

Which hedge funds hold JANX? Current holders by portfolio weight

ManagerAs ofWeight of bookValueSharesΔ sharesAction
RA Capital ManagementQ2 2026 1.5%$171.9m11,189,693 0% held
Point72 Asset Management LPQ2 2026 0.0%$30.6m1,993,837 72% added
Woodline PartnersQ2 2026 0.0%$5.7m370,032 -50% reduced
Citadel AdvisorsQ2 2026 0.0%$18.4m1,200,737 241% added
D. E. Shaw & CoQ2 2026 0.0%$16.8m1,096,509 1014% added
Millennium ManagementQ2 2026 0.0%$7.7m504,544 30% added
Brevan Howard Capital ManagementQ2 2026 0.0%$248.9k16,204 -34% reduced
Tudor InvestmentQ2 2026 0.0%$431.2k28,070 -5% reduced
Marshall WaceQ2 2026 0.0%$502.8k32,734 new

Exited since the previous quarter

ManagerPrior weightPrior value
Irenic Capital Management7.2%$10.6m

How has hedge fund ownership of JANX changed?

QuarterManagers holdingCombined value
Q2 20269$252.4m
Q1 20269$204.9m
Q4 20254$183.0m
Q3 20254$342.8m
Q2 20255$340.4m
Q1 20256$364.6m
Q4 20246$784.0m
Q3 20244$532.6m
Q2 20245$440.3m
Q1 20246$365.0m
Q4 20231$98.3m
Q3 20233$93.5m
Q2 20233$104.7m
Q1 20232$106.6m
Q4 20222$120.8m
Q3 20222$122.8m

Counts every tracked manager that disclosed JANX in that quarter's filing, including managers that have since stopped filing.