MESA LABS INC (MLAB): Institutional Ownership
Hedge funds and institutional managers reporting a position in MLAB · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
13
13F filers
Aggregate Value
$10.8M
Across holders
Last Price
$102.42
2026-06-26
Sector
Health Care
GICS
Holder activity6 new4 added3 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 32K | $2.8M | 25.9% | 0.0% | Added | +$2.5M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 28K | $2.2M | 20.5% | 0.0% | New | — | Q4 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 16K | $1.4M | 13.4% | 0.0% | Added | +$365K | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 6K | $1.1M | 10.2% | 0.0% | New | — | Q1 2023 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 8K | $693K | 6.4% | 0.0% | Added | +$7K | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 7K | $608K | 5.6% | 0.0% | Reduced | $-1.8M | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 7K | $545K | 5.1% | 0.0% | New | — | Q4 2025 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 5K | $415K | 3.8% | 0.0% | New | — | Q4 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 6K | $401K | 3.7% | 0.0% | New | — | Q3 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 4K | $298K | 2.8% | 0.0% | New | — | Q4 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 2K | $219K | 2.0% | 0.0% | Reduced | $-965K | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 552 | $49K | 0.5% | 0.0% | Added | +$49K | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 40 | $4K | 0.0% | 0.0% | Reduced | $-2.5M | Q1 2026 |
Added
Hedge Fund
$2.8M· 25.9% of total· 0.0% port· 32K sh· +$2.5M QoQ· Q1 2026
New
Hedge Fund
$2.2M· 20.5% of total· 0.0% port· 28K sh· — QoQ· Q4 2025
Added
Hedge Fund
$1.4M· 13.4% of total· 0.0% port· 16K sh· +$365K QoQ· Q1 2026
New
Hedge Fund
$1.1M· 10.2% of total· 0.0% port· 6K sh· — QoQ· Q1 2023
Added
Institutional Manager
$693K· 6.4% of total· 0.0% port· 8K sh· +$7K QoQ· Q1 2026
Reduced
Hedge Fund
$608K· 5.6% of total· 0.0% port· 7K sh· $-1.8M QoQ· Q1 2026
New
Hedge Fund
$545K· 5.1% of total· 0.0% port· 7K sh· — QoQ· Q4 2025
New
Hedge Fund
$415K· 3.8% of total· 0.0% port· 5K sh· — QoQ· Q4 2025
New
Hedge Fund
$401K· 3.7% of total· 0.0% port· 6K sh· — QoQ· Q3 2025
New
Hedge Fund
$298K· 2.8% of total· 0.0% port· 4K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$219K· 2.0% of total· 0.0% port· 2K sh· $-965K QoQ· Q1 2026
Added
Hedge Fund
$49K· 0.5% of total· 0.0% port· 552 sh· +$49K QoQ· Q1 2026
Reduced
Hedge Fund
$4K· 0.0% of total· 0.0% port· 40 sh· $-2.5M QoQ· Q1 2026