13F reference period
n/a
Security Snapshot
Protagenic Therapeutics, Inc.\new - Common Stock, par value $0.0001 per share (PTIX) Institutional Ownership
CUSIP: 74365N202
13F Institutional Holders and Ownership History from Q1 2023 to Q2 2025
Institutions Reporting
Shares (Excl. Options)
Price
$0.22
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- PTIX on Nasdaq
- Shares outstanding
- 869,565
- SEC-reported price per share
- $0.22
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- PTIX - Protagenic Therapeutics, Inc.\new - Common Stock, par value $0.0001 per share is tracked under CUSIP 74365N202.
- 13F reference-period holder data is not available.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder data for the Q2 2026 reference period is not available.
- Available periods remain in the history table; they do not substitute for the headline period.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Schedule 13D/G
Open SEC evidence
Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.
Security key
74365N202
13F reference period
n/a
13F holders
13D/G owners
1
CIK / CUSIP context first
PTIX full holder history
Protagenic Therapeutics, Inc.\new SEC filings
Protagenic Therapeutics, Inc.\new company facts
Protagenic Therapeutics, Inc.\new insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 74365N202:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
PTIX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 3.4% | $52,800 | 240,000 | Armistice Capital, LLC | 31 Dec 2024 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
10
Headline period
n/a
Rows shown
1-10 of 10
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q2 | 0 | $0 | -$65,867 | $0.22 | 0 |
| 2025 Q1 | 337,758 | $65,867 | +$26,004 | $0.20 | 8 |
| 2024 Q4 | 149,911 | $74,975 | -$13,056 | $0.50 | 8 |
| 2024 Q3 | 165,083 | $104,268 | -$9,585 | $0.63 | 9 |
| 2024 Q2 | 159,784 | $145,661 | +$38,049 | $0.91 | 10 |
| 2024 Q1 | 537,482 | $12,064,088 | +$11,878,150 | $1.75 | 10 |
| 2023 Q4 | 113,178 | $106,844 | +$15,696 | $0.99 | 9 |
| 2023 Q3 | 96,390 | $179,453 | -$2,007 | $1.87 | 8 |
| 2023 Q2 | 97,197 | $198,414 | +$3,642 | $2.03 | 9 |
| 2023 Q1 | 95,444 | $164,193 | +$164,193 | $1.73 | 10 |