Security key
90343C100
- Security type / class
- Equity / COM
- Total 13F shares
- 10,458,808
- Total 13F value
- $9,516,000
- Share change
- -2,066,636
- SEC-reported price per share
- $0.91
- Number of holders
- 37
- Value change
- -$3,263,899
- Number of buys
- 10
- Number of sells
- 21
Report period
Q4 2018
Institutions
37
Top holders
10
PRTS full security history
Ownership snapshot
Full 13F holder table
CarParts.com, Inc. SEC filings
CarParts.com, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of PRTS - U.S. AUTO PARTS NETWORK INC - 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
Portolan Capital Manageme...
Disclosed value leader
Portolan Capital Manageme...
Comparable rows
0/15
Latest evidence
30 Sep 2018
13F
Highest disclosed value: $2,720,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Portolan Capital Management, LLC has the largest disclosed position value at $2.72M.
0 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 Portolan Capital Management, LLC's linked filing trail.
Disclosed position value
Top 5
Portolan Capital Management, LLC
$2.72M
North Star Investment Management ...
$2.69M
HARBOURVEST PARTNERS LLC
$2.29M
CANNELL CAPITAL LLC
$1.82M
RENAISSANCE TECHNOLOGIES LLC
$1.7M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Portolan Capital Management, LLC |
13F
Company
|
—
denominator unverified
|
$2,720,000
1,754,738 shares
|
— | 30 Sep 2018 |
| North Star Investment Management Corp. |
13F
Company
|
—
denominator unverified
|
$2,687,000
1,733,335 shares
|
— | 30 Sep 2018 |
| HARBOURVEST PARTNERS LLC |
13F
Company
|
—
denominator unverified
|
$2,289,000
1,476,877 shares
|
— | 30 Sep 2018 |
| CANNELL CAPITAL LLC |
13F
Company
|
—
denominator unverified
|
$1,822,000
1,175,565 shares
|
— | 30 Sep 2018 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$1,699,000
1,096,100 shares
|
— | 30 Sep 2018 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$1,373,000
885,653 shares
|
— | 30 Sep 2018 |
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 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
37
Shares
10,458,808
Rows available
37
| 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 2018 vs Q3 2018 Across Filers
Q3 2018 holders
40
Q4 2018 holders
37
Holder diff
-3
| Investor | Q3 2018 Shares | Q4 2018 Shares | Share Diff | Share Chg % | Q3 2018 value | Q4 2018 value | Value change | Value Chg % |
|---|