MESA LABORATORIES INC /CO/ - Common Stock, no par value (MLAB)
CUSIP: 59064R109
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock, no par value
- Shares outstanding
- 5,555,932
- Total 13F shares
- 4,981,288
- Share change
- -206,514
- Total reported value
- $333,781,447
- Price per share
- $67.01
- Number of holders
- 139
- Value change
- -$17,563,084
- Number of buys
- 65
- Number of sells
- 93
Quarterly Holders Quick Answers
What is CUSIP 59064R109?
CUSIP 59064R109 identifies MLAB - MESA LABORATORIES INC /CO/ - Common Stock, no par value in SEC institutional holdings data.
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Recent filing periods for CUSIP 59064R109:
Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
6.9%
from 13D/G
|
791,127
|
$74,539,987 | — | 30 Jun 2025 | |
| Conestoga Capital Advisors, LLC |
13D/G
13F
|
Conestoga Capital Advisors · Company |
11%
|
618,111
|
$71,997,569 | $0 | 31 Dec 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
7%
|
389,409
|
$36,690,115 | — | 30 Jun 2025 | |
| ROYCE & ASSOCIATES LP |
13D/G
13F
|
Company |
5%
|
271,118
|
$31,579,825 | -$1,874,047 | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.9%
|
218,796
|
$20,614,989 | — | 30 Jun 2025 | |
| Ranger Investment Management, L.P. |
13F
|
Company |
3.9%
|
214,290
|
$20,190,404 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.8%
|
211,835
|
$19,959,094 | — | 30 Jun 2025 | |
| GENEVA CAPITAL MANAGEMENT LLC |
13F
|
Company |
3.6%
|
199,092
|
$18,758,414 | — | 30 Jun 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
3.3%
|
185,555
|
$17,483,032 | — | 30 Jun 2025 | |
| Glenmede Investment Management, LP |
13F
|
Company |
2.6%
|
142,508
|
$13,427,102 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.5%
|
138,769
|
$13,075,752 | — | 30 Jun 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2.1%
|
115,284
|
$10,864,493 | — | 30 Jun 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
2%
|
113,285
|
$10,674,112 | — | 30 Jun 2025 | |
| Select Equity Group, L.P. |
13F
|
Company |
1.8%
|
102,198
|
$9,629,096 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.7%
|
92,732
|
$8,737,210 | — | 30 Jun 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.6%
|
90,479
|
$8,524,931 | — | 30 Jun 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
1.4%
|
79,476
|
$7,488,271 | — | 30 Jun 2025 | |
| John Bradley Schmieder |
3/4/5
|
Director |
—
class O/S missing
|
62,760
|
$7,051,714 | — | 14 Sep 2023 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.3%
|
73,513
|
$6,926,394 | — | 30 Jun 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1.2%
|
68,027
|
$6,409,504 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.2%
|
64,928
|
$6,117,515 | — | 30 Jun 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.1%
|
61,764
|
$5,819,404 | — | 30 Jun 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1%
|
57,710
|
$5,437,436 | — | 30 Jun 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.96%
|
53,497
|
$5,040,480 | — | 30 Jun 2025 | |
| CRAWFORD INVESTMENT COUNSEL INC |
13F
|
Company |
0.93%
|
51,744
|
$4,875,320 | — | 30 Jun 2025 | |
| COMERICA BANK |
13F
|
Company |
0.8%
|
44,263
|
$4,170,474 | — | 30 Jun 2025 | |
| DIAMOND HILL CAPITAL MANAGEMENT INC |
13F
|
Company |
0.7%
|
38,799
|
$3,655,642 | — | 30 Jun 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.67%
|
37,278
|
$3,511,000 | — | 30 Jun 2025 | |
| Meros Investment Management, LP |
13F
|
Company |
0.66%
|
36,618
|
$3,450,148 | — | 30 Jun 2025 | |
| MESA LABORATORIES INC /CO/ |
3/4/5
|
Director |
—
mixed-class rows
|
29,818
mixed-class rows
|
$3,350,351 | — | 15 Jun 2022 | |
| Evan Guillemin |
3/4/5
|
Director |
—
mixed-class rows
|
29,297
mixed-class rows
|
$3,281,699 | — | 01 Sep 2022 | |
| UBS Group AG |
13F
|
Company |
0.56%
|
31,294
|
$2,948,521 | — | 30 Jun 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.54%
|
29,778
|
$2,805,684 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.53%
|
29,426
|
$2,772,520 | — | 30 Jun 2025 | |
| John Sakys |
3/4/5
|
CFO |
—
mixed-class rows
|
49,530
mixed-class rows
|
$2,566,577 | -$62,350 | 21 Jun 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.48%
|
26,873
|
$2,531,974 | — | 30 Jun 2025 | |
| RICE HALL JAMES & ASSOCIATES, LLC |
13F
|
Company |
0.46%
|
25,346
|
$2,388,100 | — | 30 Jun 2025 | |
| BBR PARTNERS, LLC |
13F
|
Company |
0.45%
|
25,195
|
$2,373,873 | — | 30 Jun 2025 | |
| GABELLI FUNDS LLC |
13F
|
Company |
0.45%
|
25,156
|
$2,370,198 | — | 30 Jun 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.4%
|
22,471
|
$2,117,218 | — | 30 Jun 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.37%
|
20,483
|
$1,929,882 | — | 30 Jun 2025 | |
| KING LUTHER CAPITAL MANAGEMENT CORP |
13F
|
Company |
0.36%
|
19,921
|
$1,876,957 | — | 30 Jun 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.36%
|
19,898
|
$1,874,790 | — | 30 Jun 2025 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.33%
|
18,528
|
$1,745,708 | — | 30 Jun 2025 | |
| SEGALL BRYANT & HAMILL, LLC |
13F
|
Company |
0.33%
|
18,287
|
$1,723,001 | — | 30 Jun 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.33%
|
18,143
|
$1,709,384 | — | 30 Jun 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.32%
|
17,795
|
$1,676,644 | — | 30 Jun 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.31%
|
17,403
|
$1,639,711 | — | 30 Jun 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.29%
|
15,924
|
$1,500,359 | — | 30 Jun 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.26%
|
14,657
|
$1,380,982 | — | 30 Jun 2025 |
Institutional Holders of MESA LABORATORIES INC /CO/ - Common Stock, no par value (MLAB) as of Q3 2025
As of 30 Sep 2025,
MESA LABORATORIES INC /CO/ - Common Stock, no par value (MLAB) was held by
139 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
4,981,288 shares.
The largest 10 holders included
Conestoga Capital Advisors, LLC, BlackRock, Inc., VANGUARD GROUP INC, MORGAN STANLEY, Ranger Investment Management, L.P., GENEVA CAPITAL MANAGEMENT LLC, Simcoe Capital Management, LLC, ROYCE & ASSOCIATES LP, JANUS HENDERSON GROUP PLC, and Kent Lake PR LLC.
This page lists
139
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
154
Q3 2025 holders
139
Holder diff
-15
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.