MBX BIOSCIENCES INC (MBX): Institutional Ownership
Hedge funds and institutional managers reporting a position in MBX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
14
13F filers
Aggregate Value
$17.9M
Across holders
Last Price
$52.31
2026-06-26
Sector
Health Care
GICS
Holder activity7 new1 added6 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 120K | $3.8M | 21.1% | 0.0% | New | — | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 124K | $3.7M | 20.6% | 0.0% | Reduced | $-1.3M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 115K | $3.4M | 19.2% | 0.0% | Reduced | $-701K | Q1 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 85K | $1.5M | 8.3% | 0.0% | New | — | Q3 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 33K | $1.0M | 5.7% | 0.0% | New | — | Q4 2025 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 28K | $838K | 4.7% | 0.0% | Reduced | $-863K | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 28K | $830K | 4.6% | 0.0% | New | — | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 26K | $809K | 4.5% | 0.0% | New | — | Q4 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 25K | $755K | 4.2% | 0.0% | Added | +$498K | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 17K | $513K | 2.9% | 0.0% | Reduced | $-180K | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 10K | $305K | 1.7% | 0.0% | Reduced | $-1.4M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 15K | $266K | 1.5% | 0.0% | New | — | Q3 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 10K | $179K | 1.0% | 0.0% | New | — | Q3 2025 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 5 | $149 | 0.0% | 0.0% | Reduced | $-3K | Q1 2026 |
New
Hedge Fund
$3.8M· 21.1% of total· 0.0% port· 120K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$3.7M· 20.6% of total· 0.0% port· 124K sh· $-1.3M QoQ· Q1 2026
Reduced
Hedge Fund
$3.4M· 19.2% of total· 0.0% port· 115K sh· $-701K QoQ· Q1 2026
New
Hedge Fund
$1.5M· 8.3% of total· 0.0% port· 85K sh· — QoQ· Q3 2025
New
Hedge Fund
$1.0M· 5.7% of total· 0.0% port· 33K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$838K· 4.7% of total· 0.0% port· 28K sh· $-863K QoQ· Q1 2026
New
Hedge Fund
$830K· 4.6% of total· 0.0% port· 28K sh· — QoQ· Q1 2026
New
Hedge Fund
$809K· 4.5% of total· 0.0% port· 26K sh· — QoQ· Q4 2025
Added
Hedge Fund
$755K· 4.2% of total· 0.0% port· 25K sh· +$498K QoQ· Q1 2026
Reduced
Hedge Fund
$513K· 2.9% of total· 0.0% port· 17K sh· $-180K QoQ· Q1 2026
Reduced
Hedge Fund
$305K· 1.7% of total· 0.0% port· 10K sh· $-1.4M QoQ· Q1 2026
New
Hedge Fund
$266K· 1.5% of total· 0.0% port· 15K sh· — QoQ· Q3 2025
New
Hedge Fund
$179K· 1.0% of total· 0.0% port· 10K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$149· 0.0% of total· 0.0% port· 5 sh· $-3K QoQ· Q1 2026