Security key
743713109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 30,946,840
- Total 13F value
- $4,747,961,335
- Share change
- +938,011
- Put/Call ratio
- 32%
- SEC-reported price per share
- $153.40
- Number of holders
- 296
- Value change
- +$157,898,016
- Number of buys
- 132
- Number of sells
- 145
- Shares outstanding
- 23,805,140
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2020
Institutions
296
Top holders
10
PRLB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
Proto Labs Inc SEC filings
Proto Labs Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 743713109
Recent filing periods:
Ownership snapshot
Top reported holders of PRLB - Proto Labs 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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
0/15
Latest evidence
30 Sep 2020
13F
Highest disclosed value: $524,539,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. has the largest disclosed position value at $524.54M.
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 BlackRock Finance, Inc.'s linked filing trail.
Disclosed position value
Top 5
BlackRock Finance, Inc.
$524.54M
BROWN CAPITAL MANAGEMENT LLC
$485.26M
ARK Investment Management LLC
$400.68M
VANGUARD GROUP INC
$338.2M
HARDING LOEVNER LP
$202.87M
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$524,539,000
4,050,504 shares
|
— | 30 Sep 2020 |
| BROWN CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$485,265,000
3,747,219 shares
|
— | 30 Sep 2020 |
| ARK Investment Management LLC |
13F
Company
|
—
denominator unverified
|
$400,678,000
3,094,035 shares
|
— | 30 Sep 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$338,196,000
2,611,549 shares
|
— | 30 Sep 2020 |
| HARDING LOEVNER LP |
13F
Company
|
—
denominator unverified
|
$202,870,000
1,566,558 shares
|
— | 30 Sep 2020 |
| RIVERBRIDGE PARTNERS LLC |
13F
Company
|
—
denominator unverified
|
$201,185,000
1,553,555 shares
|
— | 30 Sep 2020 |
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 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
296
Shares
30,946,840
Rows available
296
| 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 2020 vs Q3 2020 Across Filers
Q3 2020 holders
274
Q4 2020 holders
296
Holder diff
22
| Investor | Q3 2020 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q3 2020 value | Q4 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend