Security key
74365N111
Protagenic Therapeutics, Inc.new - *W EXP 04/26/202 (PTIXW)
CUSIP: 74365N111
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / *W EXP 04/26/202
- Total 13F shares
- 181,534
- Total 13F value
- $69,000
- Share change
- -183,257
- SEC-reported price per share
- $0.38
- Number of holders
- 1
- Value change
- -$69,655
- Number of sells
- 1
Report period
Q4 2021
Institutions
1
Top holders
1
PTIXW 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 74365N111
Recent filing periods:
Ownership snapshot
Top reported holders of PTIXW - Protagenic Therapeutics, Inc.new - *W EXP 04/26/202 (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
ORACLE INVESTMENT MANAGEM...
Disclosed value leader
ORACLE INVESTMENT MANAGEM...
Comparable rows
0/14
Latest evidence
30 Sep 2021
13F
Highest disclosed value: $935,000
14 rows are not safely comparable across share classes.
Showing 1-6 of 14 holder rows.
Quick read
ORACLE INVESTMENT MANAGEMENT INC has the largest disclosed position value at $935K.
0 of 14 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 ORACLE INVESTMENT MANAGEMENT INC's linked filing trail.
Disclosed position value
Top 5
ORACLE INVESTMENT MANAGEMENT INC
$935K
VANGUARD GROUP INC
$246K
GEODE CAPITAL MANAGEMENT, LLC
$194K
Warberg Asset Management LLC
$143K
MORGAN STANLEY
$109K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 14 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC |
13F
Company
|
—
denominator unverified
|
$935,000
500,000 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$246,000
131,515 shares
|
— | 30 Sep 2021 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$194,000
103,879 shares
|
— | 30 Sep 2021 |
| Warberg Asset Management LLC |
13F
Company
|
—
denominator unverified
|
$143,000
364,791 shares
|
— | 30 Sep 2021 |
| MORGAN STANLEY |
13F
Company
|
—
denominator unverified
|
$109,000
58,058 shares
|
— | 30 Sep 2021 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$102,000
54,400 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
181,534
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 Q4 2021 vs Q4 2025 Across Filers
Q4 2025 holders
3
Q4 2021 holders
1
Holder diff
-2
| Investor | Q4 2025 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q4 2025 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend