Security key
59064R109
MESA LABORATORIES INC /CO/ - Common Stock, no par value (MLAB)
CUSIP: 59064R109
Q4 2020 13F Holders as of 31 Dec 2020
- Security type / class
- Equity / Common Stock, no par value
- Total 13F shares
- 4,708,471
- Total 13F value
- $1,349,635,260
- Share change
- -68,891
- SEC-reported price per share
- $286.64
- Number of holders
- 174
- Value change
- -$19,634,872
- Number of buys
- 77
- Number of sells
- 63
- Shares outstanding
- 5,555,932
Holder snapshot
6 signals
Security identity
1 source field
Report period
Q4 2020
Institutions
174
Top holders
10
MLAB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2021
Previous quarter: Q3 2020
MESA LABORATORIES INC /CO/ SEC filings
MESA LABORATORIES INC /CO/ company facts
Broader feeds
Reporting periods
Holder history for CUSIP 59064R109
Recent filing periods:
Ownership snapshot
Top reported holders of MLAB - MESA LABORATORIES INC /CO/ - Common Stock, no par value (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
15/15
Latest evidence
30 Sep 2020
13F
Lead comparable stake: 13%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 13%.
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.
Comparable ownership
Top 5
BlackRock Finance, Inc.
13%
Conestoga Capital Advisors, LLC
9%
ROYCE & ASSOCIATES LP
5.6%
PRICE T ROWE ASSOCIATES INC /MD/
5.5%
VANGUARD GROUP INC
5.4%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
13%
|
$191,065,000
749,976 shares
|
— | 30 Sep 2020 |
| Conestoga Capital Advisors, LLC |
13F
Company
|
9%
|
$127,214,000
499,349 shares
|
— | 30 Sep 2020 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
5.6%
|
$79,091,000
310,454 shares
|
— | 30 Sep 2020 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
5.5%
|
$78,486,000
308,078 shares
|
— | 30 Sep 2020 |
| VANGUARD GROUP INC |
13F
Company
|
5.4%
|
$76,758,000
301,297 shares
|
— | 30 Sep 2020 |
| Invesco Ltd. |
13F
Company
|
5%
|
$70,260,000
275,790 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
174
Shares
4,708,471
Rows available
174
| 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
152
Q4 2020 holders
174
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