Security key
020772109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 3,289,615
- Total 13F value
- $9,702,000
- Share change
- -163,130
- SEC-reported price per share
- $2.95
- Number of holders
- 29
- Value change
- -$477,376
- Number of buys
- 4
- Number of sells
- 12
- Shares outstanding
- 10,202,127
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2017
Institutions
29
Top holders
10
APT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2017
Previous quarter: Q1 2017
ALPHA PRO TECH LTD SEC filings
ALPHA PRO TECH LTD company facts
Broader feeds
Reporting periods
Holder history for CUSIP 020772109
Recent filing periods:
Ownership snapshot
Top reported holders of APT - ALPHA PRO TECH LTD - 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
RENAISSANCE TECHNOLOGIES LLC
Disclosed value leader
RENAISSANCE TECHNOLOGIES LLC
Comparable rows
15/15
Latest evidence
31 Mar 2017
13F
Lead comparable stake: 14%
Showing 1-6 of 15 holder rows.
Quick read
RENAISSANCE TECHNOLOGIES LLC leads the comparable SEC ownership view at 14%.
15 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 RENAISSANCE TECHNOLOGIES LLC's linked filing trail.
Comparable ownership
Top 5
RENAISSANCE TECHNOLOGIES LLC
14%
VANGUARD GROUP INC
4.6%
BRIDGEWAY CAPITAL MANAGEMENT, LLC
2.6%
Granite Investment Partners, LLC
2.2%
DIMENSIONAL FUND ADVISORS LP
1.7%
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 |
|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
14%
|
$3,875,000
1,409,091 shares
|
— | 31 Mar 2017 |
| VANGUARD GROUP INC |
13F
Company
|
4.6%
|
$1,286,000
467,636 shares
|
— | 31 Mar 2017 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.6%
|
$722,000
262,443 shares
|
— | 31 Mar 2017 |
| Granite Investment Partners, LLC |
13F
Company
|
2.2%
|
$611,000
222,247 shares
|
— | 31 Mar 2017 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
1.7%
|
$489,000
177,987 shares
|
— | 31 Mar 2017 |
| Ancora Advisors LLC |
13F
Company
|
1.6%
|
$446,000
162,300 shares
|
— | 31 Mar 2017 |
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 2017
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
29
Shares
3,289,615
Rows available
29
| 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 2017 vs Q1 2017 Across Filers
Q1 2017 holders
31
Q2 2017 holders
29
Holder diff
-2
| Investor | Q1 2017 Shares | Q2 2017 Shares | Share Diff | Share Chg % | Q1 2017 value | Q2 2017 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend