Security key
03211Q200
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 839,016
- Total 13F value
- $3,004,000
- Share change
- +27,028
- SEC-reported price per share
- $3.58
- Number of holders
- 10
- Value change
- -$66,077
- Number of buys
- 6
- Number of sells
- 7
- Shares outstanding
- 20,657,677
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
10
Top holders
10
AMPG full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2021
Previous quarter: Q2 2021
AmpliTech Group, Inc. SEC filings
AmpliTech Group, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03211Q200
Recent filing periods:
Ownership snapshot
Top reported holders of AMPG - AmpliTech Group, Inc. - Common Stock (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
SABBY MANAGEMENT, LLC
Disclosed value leader
SABBY MANAGEMENT, LLC
Comparable rows
13/13
Latest evidence
30 Jun 2021
13F
Lead comparable stake: 1.1%
Showing 1-6 of 13 holder rows.
Quick read
SABBY MANAGEMENT, LLC leads the comparable SEC ownership view at 1.1%.
13 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 SABBY MANAGEMENT, LLC's linked filing trail.
Comparable ownership
Top 5
SABBY MANAGEMENT, LLC
1.1%
VANGUARD GROUP INC
0.64%
MILLENNIUM MANAGEMENT LLC
0.51%
BARD ASSOCIATES INC
0.44%
RENAISSANCE TECHNOLOGIES LLC
0.34%
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 |
|---|---|---|---|---|---|
| SABBY MANAGEMENT, LLC |
13F
Company
|
1.1%
|
$1,061,000
229,102 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
0.64%
|
$614,000
132,700 shares
|
— | 30 Jun 2021 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
0.51%
|
$485,000
104,732 shares
|
— | 30 Jun 2021 |
| BARD ASSOCIATES INC |
13F
Company
|
0.44%
|
$425,000
91,778 shares
|
— | 30 Jun 2021 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
0.34%
|
$325,000
70,124 shares
|
— | 30 Jun 2021 |
| Insight Advisors, LLC/ PA |
13F
Company
|
0.34%
|
$285,000
69,650 shares
|
— | 30 Jun 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 Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
10
Shares
839,016
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 Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
13
Q3 2021 holders
10
Holder diff
-3
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend