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 |
|---|---|---|---|---|---|
| Sterling Capital Management LLC | 161 | $2.97K | 0.00% | +161 | New |
| Amalgamated Bank | 384 | $7.00K | 0.00% | +384 | New |
| R Squared Ltd | 400 | $7.37K | 0.01% | +400 | New |
| Tower Research Capital LLC (TRC) | 803 | $14.8K | 0.00% | +649+421.4% | Added |
| California State Teachers Retirement System | 832 | $15.3K | 0.00% | +832 | New |
| Royal Bank of Canada | 833 | $16.0K | 0.00% | +833 | New |
| Legal & General Group Plc | 1,107 | $20.4K | 0.00% | −3,893−77.9% | Reduced |
| Ameritas Investment Partners, Inc. | 1,177 | $21.7K | 0.00% | +1,177 | New |
| BNP Paribas Arbitrage, SA | 1,486 | $27.4K | 0.00% | +1,486 | New |
| STRS Ohio | 2,100 | $38.7K | 0.00% | +2,100 | New |
| Police & Firemen's Retirement System of New Jersey | 2,143 | $39.5K | 0.00% | +2,143 | New |
| Virtus ETF Advisers LLC | 3,468 | $63.9K | 0.03% | +3,468 | New |
| Deutsche Bank AG | 4,338 | $79.9K | 0.00% | +4,338 | New |
| Sandia Investment Management LP | 5,000 | $92.2K | 0.17% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 5,593 | $103.1K | 0.00% | +5,593 | New |
| Wells Fargo & Company | 5,844 | $107.7K | 0.00% | +5,844 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 6,335 | $116.8K | 0.00% | +6,335 | New |
| MetLife Investment Management | 7,230 | $133.2K | 0.00% | +7,230 | New |
| Citigroup Inc | 8,864 | $163.4K | 0.00% | +8,864 | New |
| JPMorgan Chase & Co | 9,106 | $167.8K | 0.00% | +9,106 | New |
| Rhumbline Advisers | 9,472 | $174.6K | 0.00% | +9,472 | New |
| BIT Capital GmbH | 12,743 | $234.9K | 0.02% | +12,743 | New |
| Nuveen Asset Management, LLC | 14,471 | $266.7K | 0.00% | +14,471 | New |
| Bank of America Corp | 16,059 | $296.0K | 0.00% | +16,059 | New |
| Barclays PLC | 17,433 | $321.3K | 0.00% | +1,033+6.3% | Added |
| Saturn V Capital Management LLC | 18,000 | $331.7K | 0.13% | +18,000 | New |
| Morgan Stanley | 23,835 | $439.3K | 0.00% | +23,835 | New |
| Bank of New York Mellon Corp | 23,914 | $440.7K | 0.00% | +23,914 | New |
| FMR LLC | 24,573 | $452.9K | 0.00% | +24,573 | New |
| Norges Bank | 25,000 | $460.8K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 25,900 | $477.3K | 0.00% | +13,900+115.8% | Added |
| Teachers Retirement System of the State of Kentucky | 26,708 | $492.0K | 0.00% | 00.0% | Unchanged |
| Alps Advisors Inc | 27,020 | $498.0K | 0.00% | +27,020 | New |
| Goldman Sachs Group Inc | 34,827 | $641.9K | 0.00% | −16,173−31.7% | Reduced |
| TD Asset Management Inc | 36,600 | $674.5K | 0.00% | −8,182−18.3% | Reduced |
| UBS Group AG | 45,901 | $846.0K | 0.00% | +45,901 | New |
| Manufacturers Life Insurance Company, The | 49,675 | $915.5K | 0.00% | +3,481+7.5% | Added |
| Schonfeld Strategic Advisors LLC | 71,500 | $1.32M | 0.01% | +71,500 | New |
| Northern Trust Corp | 90,682 | $1.67M | 0.00% | +90,682 | New |
| Charles Schwab Investment Management Inc | 93,311 | $1.72M | 0.00% | +93,311 | New |
| State Street Corp | 142,649 | $2.63M | 0.00% | +142,649 | New |
| Platinum Investment Management Ltd | 162,090 | $2.99M | 0.18% | +12,090+8.1% | Added |
| Parkman Healthcare Partners LLC | 170,000 | $3.13M | 0.42% | +170,000 | New |
| Alyeska Investment Group, L.P. | 174,700 | $3.22M | 0.01% | −50,300−22.4% | Reduced |
| Citadel Advisors LLC | 220,330 | $4.06M | 0.00% | +84,722+62.5% | Added |
| Geode Capital Management, LLC | 265,703 | $4.90M | 0.00% | +243,434+1,093.2% | Added |
| Millennium Management LLC | 333,642 | $6.15M | 0.01% | −106,769−24.2% | Reduced |
| Franklin Resources Inc | 369,300 | $6.81M | 0.00% | −80,700−17.9% | Reduced |
| Woodline Partners LP | 608,721 | $11.2M | 0.08% | +89,046+17.1% | Added |
| TCG Crossover Management, LLC | 650,000 | $12.0M | 1.17% | 00.0% | Unchanged |
| Vanguard Group Inc | 670,948 | $12.4M | 0.00% | +620,948+1,241.9% | Added |
| Cormorant Asset Management, LP | 700,000 | $12.9M | 0.71% | 00.0% | Unchanged |
| BlackRock, Inc. | 727,952 | $13.4M | 0.00% | +727,952 | New |
| Price T Rowe Associates Inc | 1,161,527 | $21.4M | 0.00% | −31,411−2.6% | Reduced |
| EcoR1 Capital, LLC | 1,259,273 | $23.2M | 0.93% | +83,464+7.1% | Added |
| Ra Capital Management, L.P. | 1,511,334 | $27.9M | 0.37% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 1,581,760 | $29.2M | 0.24% | +600,438+61.2% | Added |
| NVP Associates, LLC | 2,136,335 | $39.4M | 21.06% | 00.0% | Unchanged |
| Wellington Management Group LLP | 2,909,639 | $53.0M | 0.01% | −28,214−1.0% | Reduced |
| Deep Track Capital, LP | 3,018,935 | $55.6M | 2.09% | 00.0% | Unchanged |
| NEA Management Company, LLC | 3,614,486 | $66.6M | 3.76% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 3,812,215 | $70.3M | 1.46% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 5,985,347 | $110.3M | 4.58% | 00.0% | Unchanged |
| 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 |