Curanex Pharmaceuticals Inc (CURX) Ownership

NASDAQ: CURXTop holders, insider trades and short interest.

CURX ownership summary

as of October 17, 2026
Institutions
1.1%
of shares outstanding
Insiders
61.35%
of shares outstanding
Shares outstanding
1.6M
Float
506K
shares available to trade
Short interest
0.51%
3,084 shares short
Days to cover
0.13
short interest up 9.2% vs prior month
  • Institutions 1.06%
  • Insiders 61.35%
  • Other investors 37.58%

CURX top institutional holders

17 largest
Curanex Pharmaceuticals Inc top institutional holders
#Holder% of sharesSharesValueChangeReported
1Citadel Advisors Llc0.30%95K$440,092+44,699 (+88.4%)June 30, 2026
2Renaissance Technologies Corp0.17%52K$240,240+52,000 (0.0%)June 30, 2026
3Virtu Financial LLC0.16%51K$236,710+51,236 (0.0%)June 30, 2026
4Geode Capital Management, LLC0.12%38K$176,891−72,842 (−65.5%)June 30, 2026
5Jane Street Group LLC0.10%31K$144,213+31,215 (0.0%)June 30, 2026
6Two Sigma Investments LLC0.09%27K$126,375+7,100 (+35.1%)June 30, 2026
7Susquehanna International Group, LLP0.05%15K$67,715+14,657 (0.0%)June 30, 2026
8Ground Swell Capital, LLC0.04%13K$58,388+12,638 (0.0%)June 30, 2026
9Citigroup Inc0.03%8,957$41,381−10,375 (−53.7%)June 30, 2026
10UBS Group AG<0.01%1,506$6,958−6,489 (−81.2%)June 30, 2026
11Tower Research Capital LLC<0.01%1,000$4,620+1,000 (0.0%)June 30, 2026
12DRW Securities, LLC0.00%——−71,553 (−100.0%)March 31, 2026
13Jump Financial LLC0.00%——−10,551 (−100.0%)June 30, 2026
14XTX Topco Ltd0.00%——−51,289 (−100.0%)June 30, 2026
15TWO SIGMA SECURITIES, LLC0.00%——−56,651 (−100.0%)June 30, 2026
16Bank of America Corp0.00%——−34 (−100.0%)March 31, 2026
17HRT FINANCIAL LLC0.00%——−12,378 (−100.0%)March 31, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 17, 8 holders added 215K shares and 9 cut 292K.

CURX top mutual fund and ETF holders

2 largest
Curanex Pharmaceuticals Inc top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Extended Market Index0.07%1,166$5,387—August 31, 2026
2Fidelity Nasdaq Composite Index0.05%747$3,451−1 (−0.1%)August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

CURX shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns CURX

Institutional investors own 1.1% of Curanex Pharmaceuticals's shares and insiders 61.35%. The largest holder is Citadel Advisors Llc with 0.30% of the shares (95K), as of June 30, 2026. Among the top 17 institutions, 8 added shares and 9 reduced their stake in the latest filings. Short interest is 0.51% of the float, or 0.13 days of average trading volume. The share count rose 2.1% since 2023.

Related: CURX key metrics. See the CURX stock overview for the latest quote and news.

CURX ownership FAQ

Who owns the most Curanex Pharmaceuticals stock?

The largest shareholders of Curanex Pharmaceuticals are Citadel Advisors Llc (0.30%), Renaissance Technologies Corp (0.17%), Virtu Financial LLC (0.16%), Geode Capital Management, LLC (0.12%), Jane Street Group LLC (0.10%).

What percentage of Curanex Pharmaceuticals is owned by institutions?

Institutions hold 1.1% of Curanex Pharmaceuticals's shares outstanding; insiders hold 61.35%.

Which funds own Curanex Pharmaceuticals?

The largest fund holders of Curanex Pharmaceuticals are Fidelity Extended Market Index (0.07%), Fidelity Nasdaq Composite Index (0.05%).

What is Curanex Pharmaceuticals's short interest?

3,084 shares of Curanex Pharmaceuticals were sold short, 0.51% of the float; at the average daily volume it would take 0.13 days to cover.

How many shares of Curanex Pharmaceuticals are outstanding?

Curanex Pharmaceuticals has 1.6M shares outstanding, of which 506K are in the public float.

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