ATHE
Alterity Therapeutics LtdCompany with tickers: ATHE, PRNAF
CIK
1131343
CUSIP
02155X205
Shares Outstanding
18,125,694
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 15
Total Value: $913,377
Total Shares: 262,467
Institutional Ownership Trend
Holder Concentration
Across 15 13F filers · Δ vs Dec 31, 2025Top Holder
53.1%
−0.2 pts
Top 5
97.8%
+0.8 pts
Top 10
100.0%
+0.0 pts
HHI
3,527
Highly concentrated
−13
Quarterly Activity
vs Dec 31, 2025
New
15
Increased
0
Decreased
0
Sold Out
18
Unchanged
0
Holder count:
-3
Institutional value:
+13.4%
Shares held:
+0.4%
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Small Twin Lakes Capital Management, LLC | 139,258 | $484,617 |
| Mid HB Wealth Management, LLC | 58,460 | $203,440 |
| Mid GREENLEAF TRUST | 32,000 | $111,360 |
| Mega CITADEL ADVISORS LLC | 20,077 | $69,867 |
| Mega BNP PARIBAS ARBITRAGE, SA | 6,809 | $23,695 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Small Twin Lakes Capital Management, LLC | 139,258 | $428,914 |
| Mid HB Wealth Management, LLC | 58,460 | $180,056 |
| Mid GREENLEAF TRUST | 32,000 | $98,560 |
| Mega CITADEL ADVISORS LLC | 16,811 | $51,777 |
| Mega BNP PARIBAS ARBITRAGE, SA | 6,909 | $21,279 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |
|---|---|---|---|---|---|---|---|---|
| Small Twin Lakes Capital Management, LLC | $484,617 | 53.06% | 139,258 | Shares | Sole | 2026-05-18 | View | |
| Mid HB Wealth Management, LLC | $203,440 | 22.27% | 58,460 | Shares | Sole | 2026-04-27 | View | |
| Mid GREENLEAF TRUST | $111,360 | 12.19% | 32,000 | Shares | Sole | 2026-04-27 | View | |
| Mega CITADEL ADVISORS LLC | $69,867 | 7.65% | 20,077 | Shares | Defined | 2026-05-15 | View | |
| Mega BNP PARIBAS ARBITRAGE, SA | $23,695 | 2.59% | 6,809 | Shares | Defined | 2026-05-12 | View | |
| Mega RHUMBLINE ADVISERS | $6,855 | 0.75% | 1,970 | Shares | Sole | 2026-05-12 | View | |
| Large ACADIAN ASSET MANAGEMENT LLC | $6,483 | 0.71% | 1,863 | Shares | Defined | 2026-05-13 | View | |
| Mid GAMMA Investing LLC | $6,458 | 0.71% | 1,856 | Shares | Defined | 2026-04-06 | View | |
| Mid OSAIC HOLDINGS, INC. | $236 | 0.03% | 68 | Shares | Defined | 2026-05-15 | View | |
| Mid Blue Trust, Inc. | $139 | 0.02% | 40 | Shares | Other | 2026-04-20 | View | |
| Mid Farther Finance Advisors, LLC | $76 | 0.01% | 22 | Shares | Sole | 2026-04-07 | View | |
| Small CoreCap Advisors, LLC | $73 | 0.01% | 21 | Shares | Sole | 2026-04-07 | View | |
| Mega MORGAN STANLEY | $55 | 0.01% | 16 | Shares | Defined | 2026-05-15 | View | |
| Large Steward Partners Investment Advisory, LLC | $20 | 0.00% | 6 | Shares | Sole | 2026-05-08 | View | |
| Large DANSKE BANK A/S | $3 | 0.00% | 1 | Shares | Sole | 2026-05-12 | View | |
| No holders match your search. | ||||||||