Mesa Laboratories Ownership | Who Owns Mesa Laboratories?
Mesa Laboratories Ownership Summary
Mesa Laboratories is owned by 90.69% institutional investors, 5.12% insiders, and 4.19% retail investors. Blackrock is the largest institutional shareholder, holding 14.92% of MLAB shares. Conestoga Small Cap Investors is the top mutual fund, with 7.35% of its assets in Mesa Laboratories shares.
MLAB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Mesa Laboratories | 90.69% | 5.12% | 4.19% |
| Sector | Technology Stocks | 144.02% | 12.52% | -56.54% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 803.50K | 14.92% | $69.72M |
| Blackrock funding, inc. /de | 791.13K | 14.48% | $74.54M |
| Conestoga capital advisors | 566.15K | 10.36% | $53.34M |
| Vanguard group | 382.86K | 7.07% | $50.49M |
| Royce & associates lp | 247.61K | 4.53% | $23.33M |
| Morgan stanley | 237.59K | 4.41% | $20.62M |
| Ranger investment management | 233.56K | 4.31% | $30.80M |
| Geneva capital management | 199.09K | 3.64% | $18.76M |
| State street | 196.02K | 3.64% | $17.01M |
| Raymond james financial | 185.56K | 3.40% | $17.48M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Meros investment management, lp | 40.26K | 2.38% | $5.31M |
| Ranger investment management | 233.56K | 1.94% | $30.80M |
| Conestoga capital advisors | 566.15K | 0.79% | $53.34M |
| Keeley-teton advisors | 22.00K | 0.34% | $2.90M |
| Geneva capital management | 199.09K | 0.31% | $18.76M |
| Royce & associates lp | 247.61K | 0.24% | $23.33M |
| Kennedy capital management | 90.48K | 0.20% | $8.52M |
| Herald investment management | 7.42K | 0.16% | $977.34K |
| Bbr partners | 25.20K | 0.15% | $2.37M |
| Kings path partners | 3.40K | 0.13% | $320.82K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Glenmede investment management, lp | 142.51K | 0.07% | 142.51K |
| Ameriprise financial | 151.86K | 0.01% | 99.82K |
| Jane street group | 34.40K | 0.00% | 32.09K |
| Select equity group | 102.20K | 0.04% | 28.30K |
| Diamond hill capital management | 26.63K | 0.02% | 26.63K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Boone capital management | - | - | -133.39K |
| Raymond james financial | 185.56K | 0.01% | -78.46K |
| Granahan investment management | - | - | -45.63K |
| Blackrock funding, inc. /de | 791.13K | 0.00% | -36.49K |
| Blackrock | 803.50K | 0.00% | -27.49K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Glenmede investment management, lp | 142.51K | 0.07% | 142.51K | $13.43M |
| Diamond hill capital management | 26.63K | 0.02% | 26.63K | $3.51M |
| Gabelli funds | 25.16K | 0.02% | 25.16K | $2.37M |
| Herald investment management | 7.42K | 0.16% | 7.42K | $977.34K |
| Boston partners | 6.72K | 0.00% | 6.72K | $583.53K |
Sold Out
| Holder | Change |
|---|---|
| True wealth design | -1.00 |
| Innealta capital | -2.00 |
| Svb wealth | -2.00 |
| Lindbrook capital | -4.00 |
| Private wealth management group | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 147 | -2.00% | 4,956,007 | -4.08% | 90 | 1.00% | 71 | -1.39% | 50 | -1.96% |
| Mar 31, 2025 | 150 | -4.46% | 5,166,752 | 1.23% | 95 | 1.08% | 72 | 2.86% | 51 | - |
| Dec 31, 2024 | 146 | -11.52% | 4,835,724 | -1.17% | 89 | 1.09% | 66 | -15.38% | 48 | -4.00% |
| Sep 30, 2024 | 164 | 7.19% | 4,893,062 | 0.02% | 90 | 1.10% | 78 | 16.42% | 50 | -18.03% |
| Jun 30, 2024 | 151 | -1.95% | 4,891,701 | 0.53% | 90 | 1.12% | 66 | -14.29% | 60 | 25.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Conestoga Small Cap Investors | 404.51K | 7.35% | - |
| iShares Core S&P Small-Cap ETF | 324.32K | 5.90% | 56.00 |
| Conestoga Small Cap Growth | 181.46K | 3.33% | 8.41K |
| Vanguard US Total Market Shares ETF | 159.57K | 2.94% | - |
| Vanguard Total Stock Mkt Idx Inv | 159.61K | 2.90% | -3.54K |
| Ranger Small Cap | 155.18K | 2.84% | -8.50K |
| Glenmede Small Cap Equity Adv | 126.71K | 2.32% | -3.04K |
| Glenmede Small Cap Equity | 126.71K | 2.30% | -3.04K |
| iShares Russell 2000 ETF | 121.78K | 2.21% | -2.31K |
| Janus Henderson Small Cap Value L | 105.48K | 1.92% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 16, 2025 | Owens Gary M | President and CEO | Sell | $188.31K |
| Jun 16, 2025 | Archbold Brian David | SVP Operations | Sell | $45.84K |
| Jun 16, 2025 | Sakys John | CFO | Sell | $62.35K |
| Mar 19, 2025 | Owens Gary M | President and CEO | Sell | $2.60M |
| Oct 28, 2024 | Owens Gary M | President and CEO | Sell | $286.09K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 1 |
| 2024 Q4 | - | 2 |
| 2024 Q3 | - | 1 |
| 2024 Q2 | - | - |
MLAB Ownership FAQ
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