MBX Biosciences, Inc.
MBX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001776111
In the last 90 days, MBX Biosciences, Inc. insiders filed 0 open-market purchases and 1 sale; 172 institutions reported holding it in 13F filings for Q2 2026, worth $3.06B in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in MBX Biosciences, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 63
- +18 vs. Q3 2024
- Shares held
- 32.9M
- +2.64M (+8.7%) vs. Q3 2024
- Total value
- $606.5M
- −$177.6M (−22.6%) vs. Q3 2024
- New holders
- 33
- 11 more added
- Sold out
- 15
- 8 more reduced
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MBX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 172 | $3.06B |
| Q1 2026 | 157 | $1.57B |
| Q4 2025 | 138 | $1.53B |
| Q3 2025 | 118 | $836.4M |
| Q2 2025 | 88 | $420.3M |
| Q1 2025 | 79 | $263.2M |
| Q4 2024 | 63 | $606.5M |
| Q3 2024 | 45 | $784.1M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding MBX Biosciences, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 5,985,347 | $110.3M | 4.58% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 3,812,215 | $70.3M | 1.46% | 00.0% | Unchanged |
| NEA Management Company, LLC | 3,614,486 | $66.6M | 3.76% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,018,935 | $55.6M | 2.09% | 00.0% | Unchanged |
| Wellington Management Group LLP | 2,909,639 | $53.0M | 0.01% | −28,214−1.0% | Reduced |
| NVP Associates, LLC | 2,136,335 | $39.4M | 21.06% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 1,581,760 | $29.2M | 0.24% | +600,438+61.2% | Added |
| Ra Capital Management, L.P. | 1,511,334 | $27.9M | 0.37% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 1,259,273 | $23.2M | 0.93% | +83,464+7.1% | Added |
| Price T Rowe Associates Inc | 1,161,527 | $21.4M | 0.00% | −31,411−2.6% | Reduced |
| BlackRock, Inc. | 727,952 | $13.4M | 0.00% | +727,952 | New |
| Cormorant Asset Management, LP | 700,000 | $12.9M | 0.71% | 00.0% | Unchanged |
| Vanguard Group Inc | 670,948 | $12.4M | 0.00% | +620,948+1,241.9% | Added |
| TCG Crossover Management, LLC | 650,000 | $12.0M | 1.17% | 00.0% | Unchanged |
| Woodline Partners LP | 608,721 | $11.2M | 0.08% | +89,046+17.1% | Added |
| Franklin Resources Inc | 369,300 | $6.81M | 0.00% | −80,700−17.9% | Reduced |
| Millennium Management LLC | 333,642 | $6.15M | 0.01% | −106,769−24.2% | Reduced |
| Geode Capital Management, LLC | 265,703 | $4.90M | 0.00% | +243,434+1,093.2% | Added |
| Citadel Advisors LLC | 220,330 | $4.06M | 0.00% | +84,722+62.5% | Added |
| Alyeska Investment Group, L.P. | 174,700 | $3.22M | 0.01% | −50,300−22.4% | Reduced |
| Parkman Healthcare Partners LLC | 170,000 | $3.13M | 0.42% | +170,000 | New |
| Platinum Investment Management Ltd | 162,090 | $2.99M | 0.18% | +12,090+8.1% | Added |
| State Street Corp | 142,649 | $2.63M | 0.00% | +142,649 | New |
| Charles Schwab Investment Management Inc | 93,311 | $1.72M | 0.00% | +93,311 | New |
| Northern Trust Corp | 90,682 | $1.67M | 0.00% | +90,682 | New |
| Schonfeld Strategic Advisors LLC | 71,500 | $1.32M | 0.01% | +71,500 | New |
| Manufacturers Life Insurance Company, The | 49,675 | $915.5K | 0.00% | +3,481+7.5% | Added |
| UBS Group AG | 45,901 | $846.0K | 0.00% | +45,901 | New |
| TD Asset Management Inc | 36,600 | $674.5K | 0.00% | −8,182−18.3% | Reduced |
| Goldman Sachs Group Inc | 34,827 | $641.9K | 0.00% | −16,173−31.7% | Reduced |
| Alps Advisors Inc | 27,020 | $498.0K | 0.00% | +27,020 | New |
| Teachers Retirement System of the State of Kentucky | 26,708 | $492.0K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 25,900 | $477.3K | 0.00% | +13,900+115.8% | Added |
| Norges Bank | 25,000 | $460.8K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 24,573 | $452.9K | 0.00% | +24,573 | New |
| Bank of New York Mellon Corp | 23,914 | $440.7K | 0.00% | +23,914 | New |
| Morgan Stanley | 23,835 | $439.3K | 0.00% | +23,835 | New |
| Saturn V Capital Management LLC | 18,000 | $331.7K | 0.13% | +18,000 | New |
| Barclays PLC | 17,433 | $321.3K | 0.00% | +1,033+6.3% | Added |
| Bank of America Corp | 16,059 | $296.0K | 0.00% | +16,059 | New |
| Nuveen Asset Management, LLC | 14,471 | $266.7K | 0.00% | +14,471 | New |
| BIT Capital GmbH | 12,743 | $234.9K | 0.02% | +12,743 | New |
| Rhumbline Advisers | 9,472 | $174.6K | 0.00% | +9,472 | New |
| JPMorgan Chase & Co | 9,106 | $167.8K | 0.00% | +9,106 | New |
| Citigroup Inc | 8,864 | $163.4K | 0.00% | +8,864 | New |
| MetLife Investment Management | 7,230 | $133.2K | 0.00% | +7,230 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 6,335 | $116.8K | 0.00% | +6,335 | New |
| Wells Fargo & Company | 5,844 | $107.7K | 0.00% | +5,844 | New |
| Corebridge Financial, Inc. | 5,593 | $103.1K | 0.00% | +5,593 | New |
| Sandia Investment Management LP | 5,000 | $92.2K | 0.17% | 00.0% | Unchanged |
| Deutsche Bank AG | 4,338 | $79.9K | 0.00% | +4,338 | New |
| Virtus ETF Advisers LLC | 3,468 | $63.9K | 0.03% | +3,468 | New |
| Police & Firemen's Retirement System of New Jersey | 2,143 | $39.5K | 0.00% | +2,143 | New |
| STRS Ohio | 2,100 | $38.7K | 0.00% | +2,100 | New |
| BNP Paribas Arbitrage, SA | 1,486 | $27.4K | 0.00% | +1,486 | New |
| Ameritas Investment Partners, Inc. | 1,177 | $21.7K | 0.00% | +1,177 | New |
| Legal & General Group Plc | 1,107 | $20.4K | 0.00% | −3,893−77.9% | Reduced |
| Royal Bank of Canada | 833 | $16.0K | 0.00% | +833 | New |
| California State Teachers Retirement System | 832 | $15.3K | 0.00% | +832 | New |
| Tower Research Capital LLC (TRC) | 803 | $14.8K | 0.00% | +649+421.4% | Added |
| R Squared Ltd | 400 | $7.37K | 0.01% | +400 | New |
| Amalgamated Bank | 384 | $7.00K | 0.00% | +384 | New |
| Sterling Capital Management LLC | 161 | $2.97K | 0.00% | +161 | New |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −26,570−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −24,011−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −21,637−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −16,470−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −15,600−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −13,500−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −10,706−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −8,362−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −1,810−100.0% | Sold out |