Security key
74365N301
Protagenic Therapeutics, Inc.\new - COM (PTIX)
CUSIP: 74365N301
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / COM
- Total 13F shares
- 70,611
- Total 13F value
- $258,083
- Share change
- +70,611
- SEC-reported price per share
- $3.65
- Number of holders
- 10
- Value change
- +$258,083
- Number of buys
- 10
Report period
Q2 2025
Institutions
10
Top holders
10
PTIX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
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
9/15
Latest evidence
15 May 2025
13D/G
13F
3/4/5
Lead comparable stake: 3.4%
6 rows are not safely comparable across share classes.
13D/G row: ARMISTICE CAPITAL, LLC
Showing 1-6 of 15 holder rows.
Quick read
ARMISTICE CAPITAL, LLC leads the comparable SEC ownership view at 3.4%.
9 of 15 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 5
ARMISTICE CAPITAL, LLC
3.4%
HRT FINANCIAL LP
14%
GEODE CAPITAL MANAGEMENT, LLC
8.9%
Virtu Financial LLC
6.4%
VANGUARD GROUP INC
3.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 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 |
| HRT FINANCIAL LP |
13F
Company
|
14%
|
$24,000
124,015 shares
|
— | 31 Mar 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
8.9%
|
$15,084
77,296 shares
|
— | 31 Mar 2025 |
| Virtu Financial LLC |
13F
Company
|
6.4%
|
$11,000
55,530 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.8%
|
$6,467
33,166 shares
|
— | 31 Mar 2025 |
| TWO SIGMA SECURITIES, LLC |
13F
Company
|
3.2%
|
$5,457
27,968 shares
|
— | 31 Mar 2025 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
10
Shares
70,611
Rows available
10
| 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 2025 vs Q1 2026 Across Filers
Q1 2026 holders
4
Q2 2025 holders
10
Holder diff
6
| Investor | Q1 2026 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend