Alterity Therapeutics Limited (ATHE) Ownership

NASDAQ: ATHETop holders, insider trades and short interest.

ATHE ownership summary

as of October 18, 2026
Institutions
2.1%
of shares outstanding
Insiders
0.00%
of shares outstanding
Shares outstanding
18.2M
Float
14.4M
shares available to trade
Short interest
0.14%
26K shares short
Days to cover
1.68
short interest up 1.7% vs prior month
  • Institutions 2.06%
  • Other investors 97.94%

ATHE top institutional holders

20 largest
Alterity Therapeutics Limited top institutional holders
#Holder% of sharesSharesValueChangeReported
1Twin Lakes Capital Management, LLC0.76%139K$364,856—June 30, 2026
2Morgan Stanley - Brokerage Accounts0.35%63K$165,230+4,683 (+8.0%)June 30, 2026
3Greenleaf Trust0.34%62K$162,440+30,000 (+93.8%)June 30, 2026
4HB Wealth Management, LLC0.32%58K$153,165—June 30, 2026
5Citadel Advisors Llc0.21%38K$98,504+17,520 (+87.3%)June 30, 2026
6HRT FINANCIAL LLC0.10%17K$45,305+17,292 (0.0%)June 30, 2026
7BNP Paribas Arbitrage, SA0.06%10K$26,826+3,430 (+50.4%)June 30, 2026
8GAMMA Investing LLC0.01%2,309$6,050+453 (+24.4%)June 30, 2026
9Rhumbline Advisers0.01%2,009$5,264+39 (+2.0%)June 30, 2026
10Acadian Asset Management LLC0.01%1,863$4,881—June 30, 2026
11Providence Capital Advisors, LLC<0.01%200$524+200 (0.0%)June 30, 2026
12Integrated Wealth Concepts LLC<0.01%73$191+73 (0.0%)June 30, 2026
13Advisor Group Holdings, Inc.<0.01%68$178—June 30, 2026
14Ronald Blue Trust, Inc.<0.01%40$105—June 30, 2026
15CoreCap Advisors, LLC<0.01%21$55—June 30, 2026
16Steward Partners Investment Advisory, LLC0.00%6$16—June 30, 2026
17UBS Group AG0.00%5$13+5 (0.0%)June 30, 2026
18Caitong International Asset Management Co., Limited.0.00%1$3+1 (0.0%)June 30, 2026
19Cranbrook Wealth Management, LLC0.00%1$3+1 (0.0%)June 30, 2026
20Citigroup Inc0.00%1$3+1 (0.0%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 74K shares and 0 cut 0.

ATHE top mutual fund and ETF holders

1 largest
Alterity Therapeutics Limited top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Nasdaq Composite Index0.01%1,155$3,026—May 31, 2026

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

ATHE shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ATHE

Institutional investors own 2.1% of Alterity Therapeutics's shares and insiders 0.00%. The largest holder is Twin Lakes Capital Management, LLC with 0.76% of the shares (139K), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 0 reduced their stake in the latest filings. Short interest is 0.14% of the float, or 1.68 days of average trading volume. The share count rose 1,982.2% since 2014.

Related: ATHE analyst forecast, ATHE key metrics. See the ATHE stock overview for the latest quote and news.

ATHE ownership FAQ

Who owns the most Alterity Therapeutics stock?

The largest shareholders of Alterity Therapeutics are Twin Lakes Capital Management, LLC (0.76%), Morgan Stanley - Brokerage Accounts (0.35%), Greenleaf Trust (0.34%), HB Wealth Management, LLC (0.32%), Citadel Advisors Llc (0.21%).

What percentage of Alterity Therapeutics is owned by institutions?

Institutions hold 2.1% of Alterity Therapeutics's shares outstanding; insiders hold 0.00%.

Which funds own Alterity Therapeutics?

The largest fund holders of Alterity Therapeutics are Fidelity Nasdaq Composite Index (0.01%).

What is Alterity Therapeutics's short interest?

26K shares of Alterity Therapeutics were sold short, 0.14% of the float; at the average daily volume it would take 1.68 days to cover.

How many shares of Alterity Therapeutics are outstanding?

Alterity Therapeutics has 18.2M shares outstanding, of which 14.4M are in the public float.

Biotechnology: ownership