Mesa Laboratories Ownership | Who Owns Mesa Laboratories?
Mesa Laboratories Ownership Summary
Mesa Laboratories is owned by 86.14% institutional investors, 5.44% insiders, and 8.42% 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 | 86.14% | 5.44% | 8.42% |
| Sector | Technology Stocks | 36.93% | 14.89% | 48.18% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 803.50K | 14.92% | $69.72M |
| Long path partners lp | 405.58K | 7.33% | $35.86M |
| Blackrock funding, inc. /de | 393.85K | 7.12% | $34.82M |
| Vanguard group | 321.90K | 5.82% | $25.27M |
| Boston partners | 268.71K | 4.86% | $23.76M |
| Select equity group | 235.88K | 4.26% | $20.86M |
| Ranger investment management | 202.90K | 3.67% | $17.94M |
| Aqr capital management | 170.56K | 3.08% | $15.08M |
| Morgan stanley | 162.12K | 2.93% | $14.33M |
| Royce & associates lp | 161.23K | 2.91% | $14.26M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Long path partners lp | 405.58K | 16.29% | $35.86M |
| Kent lake pr | 134.52K | 4.55% | $9.01M |
| Roubaix capital | 72.11K | 2.98% | $6.38M |
| Meros investment management, lp | 68.03K | 2.61% | $6.02M |
| Monimus capital management, lp | 101.29K | 2.48% | $8.96M |
| Ranger investment management | 202.90K | 1.30% | $17.94M |
| Herald investment management | 50.00K | 0.61% | $4.39M |
| Keeley-teton advisors | 22.00K | 0.34% | $2.90M |
| Kennedy capital management | 142.34K | 0.27% | $12.59M |
| Globeflex capital l p | 10.84K | 0.14% | $958.30K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Long path partners lp | 405.58K | 16.29% | 178.36K |
| Kent lake pr | 134.52K | 4.55% | 134.52K |
| Aqr capital management | 170.56K | 0.01% | 100.42K |
| Monimus capital management, lp | 101.29K | 2.48% | 60.45K |
| Boston partners | 268.71K | 0.02% | 55.34K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Conestoga capital advisors | - | - | -426.46K |
| Simcoe capital management | - | - | -190.93K |
| Geneva capital management | - | - | -178.71K |
| Glenmede investment management, lp | 3.01K | 0.00% | -139.50K |
| Boone capital management | - | - | -133.39K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Kent lake pr | 134.52K | 4.55% | 134.52K | $9.01M |
| Wasatch advisors lp | 51.23K | 0.03% | 51.23K | $4.53M |
| Vanguard fiduciary trust | 38.34K | 0.00% | 38.34K | $3.39M |
| Cubist systematic strategies | 35.99K | 0.01% | 35.99K | $2.41M |
| Lazard asset management | 20.33K | 0.00% | 20.33K | $1.80M |
Sold Out
| Holder | Change |
|---|---|
| Clearstead advisors | -1.00 |
| Hughes financial services | -1.00 |
| Tfc financial management | -1.00 |
| Twin peaks wealth advisors | -1.00 |
| Svb wealth | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 154 | -3.14% | 4,765,452 | 0.49% | 86 | 1.17% | 83 | -7.78% | 42 | -6.67% |
| Dec 31, 2025 | 31 | -77.86% | 623,685 | -87.49% | 11 | 0.14% | 14 | -80.00% | 9 | -82.35% |
| Sep 30, 2025 | 47 | -67.59% | 1,346,461 | -72.39% | 24 | 0.31% | 15 | -78.26% | 20 | -60.78% |
| 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 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Conestoga Small Cap Investors | 404.51K | 7.35% | - |
| iShares Core S&P Small-Cap ETF | 325.58K | 5.92% | - |
| Conestoga Small Cap Growth | 181.46K | 3.33% | 8.41K |
| Vanguard Total Stock Mkt Idx Inv | 164.21K | 2.97% | - |
| Vanguard US Total Market Shares ETF | 159.57K | 2.94% | - |
| Ranger Small Cap | 147.56K | 2.67% | -2.17K |
| Kennedy Small Cap Value | 141.38K | 2.56% | 3.62K |
| Diamond Hill Small Cap Equity | 135.05K | 2.44% | 742.00 |
| Glenmede Small Cap Equity Adv | 126.71K | 2.32% | -3.04K |
| Glenmede Small Cap Equity | 126.71K | 2.30% | -3.04K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 16, 2026 | Archbold Brian David | SVP Operations | Sell | $116.56K |
| Jun 16, 2026 | Crennen Lyndsey Elizabeth | CAO | Sell | $11.95K |
| Jun 16, 2026 | Sakys John | CFO | Sell | $123.85K |
| Mar 10, 2026 | Ladiwala Shiraz Shabanali | - | Buy | $252.81K |
| Mar 10, 2026 | Capone Mark Christopher | - | Buy | $99.33K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2027 Q2 | - | - |
| 2027 Q1 | - | - |
| 2026 Q2 | - | - |
| 2026 Q1 | 3 | - |
| 2025 Q4 | - | - |
MLAB Ownership FAQ
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