Security key
74365N301
Protagenic Therapeutics, Inc.\new - COM (PTIX)
CUSIP: 74365N301
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / COM
- Total 13F shares
- 25,000
- Total 13F value
- $9,000
- Share change
- -100
- SEC-reported price per share
- $0.36
- Number of holders
- 1
- Value change
- -$68
- Number of sells
- 1
Report period
Q2 2026
Institutions
1
Top holders
1
PTIX full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
Protagenic Therapeutics, Inc.\new SEC filings
Protagenic Therapeutics, Inc.\new company facts
Broader feeds
Reporting periods
Holder history for CUSIP 74365N301
Recent filing periods:
Ownership snapshot
Top reported holders of PTIX - Protagenic Therapeutics, Inc.\new - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ARMISTICE CAPITAL, LLC
Disclosed value leader
Garo H. Armen
Comparable rows
1/13
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 3.4%
12 rows are not safely comparable across share classes.
13D/G row: ARMISTICE CAPITAL, LLC
Showing 1-6 of 13 holder rows.
Quick read
ARMISTICE CAPITAL, LLC leads the comparable SEC ownership view at 3.4%.
1 of 13 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ARMISTICE CAPITAL, LLC's linked filing trail.
Comparable ownership
Top 1
ARMISTICE CAPITAL, LLC
3.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 13 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC |
13D/G
|
3.4%
|
$52,800
240,000 shares
|
$0 | 31 Dec 2024 |
| Garo H. Armen |
3/4/5
Executive Chairman, Director, 10%+ Owner
|
—
class O/S missing
|
$435,000
250,000 shares
|
— | 25 Mar 2024 |
| Barrett Evans |
3/4/5
ex CEO, Director, 10%+ Owner
|
—
mixed-class rows
|
$67,204
154,552 shares
mixed-class rows
|
— | 15 May 2025 |
| Alexander K. Arrow |
3/4/5
Chief Financial Officer
|
—
mixed-class rows
|
$211,110
145,815 shares
mixed-class rows
|
— | 25 Mar 2024 |
| Jennifer Buell |
3/4/5
Director
|
—
class O/S missing
|
$130,500
75,000 shares
|
— | 25 Mar 2024 |
| Stein Robert Benjamin |
3/4/5
Director
|
—
class O/S missing
|
$130,500
75,000 shares
|
— | 25 Mar 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
25,000
Rows available
1
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
4
Q2 2026 holders
1
Holder diff
-3
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend