Zenas BioPharma, Inc.
ZBIO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001953926
No open-market purchases or sales by Zenas BioPharma, Inc. insiders were filed in the last 90 days; 144 institutions reported holding it in 13F filings for Q2 2026, worth $1.55B in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in Zenas BioPharma, 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
- 65
- +21 vs. Q3 2024
- Shares held
- 31.7M
- +6.93M (+28.0%) vs. Q3 2024
- Total value
- $259.6M
- −$158.9M (−38.0%) vs. Q3 2024
- New holders
- 35
- 13 more added
- Sold out
- 14
- 7 more reduced
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ZBIO 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 | 144 | $1.55B |
| Q1 2026 | 140 | $1.14B |
| Q4 2025 | 119 | $1.55B |
| Q3 2025 | 80 | $774.5M |
| Q2 2025 | 73 | $330.0M |
| Q1 2025 | 67 | $256.7M |
| Q4 2024 | 65 | $259.6M |
| Q3 2024 | 44 | $418.5M |
| 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 Zenas BioPharma, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sr One Capital Management, LP | 4,911,539 | $40.2M | 9.81% | 00.0% | Unchanged |
| Enavate Sciences GP, LLC | 3,761,359 | $30.8M | 22.12% | +3,761,359 | New |
| NEA Management Company, LLC | 2,613,948 | $21.4M | 1.21% | 00.0% | Unchanged |
| Fairmount Funds Management LLC | 1,892,806 | $15.5M | 1.54% | 00.0% | Unchanged |
| NVP Associates, LLC | 1,838,482 | $15.1M | 8.05% | 00.0% | Unchanged |
| FMR LLC | 1,781,715 | $14.6M | 0.00% | −218,285−10.9% | Reduced |
| Novo Holdings A/S | 1,600,000 | $13.1M | 0.79% | +450,000+39.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,562,942 | $12.8M | 0.24% | 00.0% | Unchanged |
| Vivo Capital, LLC | 1,183,260 | $9.69M | 1.09% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 1,158,000 | $9.48M | 0.02% | 00.0% | Unchanged |
| Wellington Management Group LLP | 1,135,289 | $9.17M | 0.00% | −366,139−24.4% | Reduced |
| BlackRock, Inc. | 1,006,558 | $8.24M | 0.00% | +1,006,558 | New |
| Vanguard Group Inc | 979,323 | $8.02M | 0.00% | +829,323+552.9% | Added |
| Rock Springs Capital Management LP | 878,667 | $7.20M | 0.27% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 744,035 | $6.09M | 0.17% | −400,000−35.0% | Reduced |
| Pivotal bioVenture Partners Investment Advisor LLC | 736,645 | $6.03M | 4.07% | +85,950+13.2% | Added |
| ArrowMark Colorado Holdings LLC | 627,669 | $5.14M | 0.07% | +327,669+109.2% | Added |
| Price T Rowe Associates Inc | 511,220 | $4.19M | 0.00% | +24,366+5.0% | Added |
| Morgan Stanley | 358,212 | $2.93M | 0.00% | +307,162+601.7% | Added |
| Geode Capital Management, LLC | 348,760 | $2.86M | 0.00% | +323,903+1,303.1% | Added |
| State Street Corp | 211,506 | $1.73M | 0.00% | +211,506 | New |
| Schroder Investment Management Group | 171,940 | $1.55M | 0.00% | +171,940 | New |
| Catalio Capital Management, LP | 187,184 | $1.53M | 0.34% | +187,184 | New |
| Eversept Partners, LP | 172,103 | $1.41M | 0.15% | −18,428−9.7% | Reduced |
| Millennium Management LLC | 134,896 | $1.10M | 0.00% | +17,515+14.9% | Added |
| UBS Group AG | 131,665 | $1.08M | 0.00% | +131,606+223,061.0% | Added |
| Northern Trust Corp | 124,246 | $1.02M | 0.00% | +124,246 | New |
| Charles Schwab Investment Management Inc | 118,660 | $971.8K | 0.00% | +118,660 | New |
| Superstring Capital Management LP | 111,605 | $914.0K | 0.80% | 00.0% | Unchanged |
| Citadel Advisors LLC | 82,624 | $676.7K | 0.00% | −11,698−12.4% | Reduced |
| Norges Bank | 66,202 | $542.2K | 0.00% | −8,798−11.7% | Reduced |
| M&T Bank Corp | 62,622 | $512.4K | 0.00% | +37,738+151.7% | Added |
| Gsa Capital Partners LLP | 56,039 | $459.0K | 0.03% | +56,039 | New |
| Goldman Sachs Group Inc | 42,174 | $345.4K | 0.00% | −90,226−68.1% | Reduced |
| Rhumbline Advisers | 38,942 | $318.9K | 0.00% | +38,942 | New |
| Renaissance Technologies LLC | 38,400 | $314.5K | 0.00% | +38,400 | New |
| Bank of New York Mellon Corp | 35,944 | $294.4K | 0.00% | +35,944 | New |
| Alps Advisors Inc | 33,790 | $276.7K | 0.00% | +33,790 | New |
| JPMorgan Chase & Co | 29,839 | $244.4K | 0.00% | +29,839 | New |
| Barclays PLC | 23,939 | $196.1K | 0.00% | +8,439+54.4% | Added |
| Deutsche Bank AG | 22,990 | $188.3K | 0.00% | +22,990 | New |
| Bank of America Corp | 21,575 | $176.7K | 0.00% | +21,575 | New |
| Nuveen Asset Management, LLC | 19,909 | $163.1K | 0.00% | +19,909 | New |
| BNP Paribas Arbitrage, SA | 18,245 | $149.4K | 0.00% | +18,245 | New |
| Two Sigma Investments, LP | 17,045 | $139.6K | 0.00% | +4,045+31.1% | Added |
| Birchview Capital, LP | 16,500 | $135.1K | 0.11% | +16,500 | New |
| Citigroup Inc | 12,104 | $99.1K | 0.00% | +12,104 | New |
| Stoneridge Investment Partners LLC | 10,955 | $90.0K | 0.03% | +10,955 | New |
| MetLife Investment Management | 10,225 | $83.7K | 0.00% | +10,225 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 8,596 | $70.4K | 0.00% | +8,596 | New |
| Wells Fargo & Company | 7,982 | $65.4K | 0.00% | +7,982 | New |
| Corebridge Financial, Inc. | 7,640 | $62.6K | 0.00% | +7,640 | New |
| The PNC Financial Services Group, Inc. | 6,417 | $52.6K | 0.00% | +2,568+66.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,499 | $36.8K | 0.00% | +4,499 | New |
| STRS Ohio | 2,800 | $22.9K | 0.00% | +2,800 | New |
| Ameritas Investment Partners, Inc. | 1,608 | $13.2K | 0.00% | +1,608 | New |
| Legal & General Group Plc | 1,519 | $12.4K | 0.00% | +1,519 | New |
| California State Teachers Retirement System | 1,144 | $9.37K | 0.00% | +1,144 | New |
| Tower Research Capital LLC (TRC) | 1,117 | $9.15K | 0.00% | +1,117 | New |
| Royal Bank of Canada | 1,140 | $9.00K | 0.00% | +1,140 | New |
| Amalgamated Bank | 524 | $4.00K | 0.00% | +524 | New |
| Sterling Capital Management LLC | 226 | $1.85K | 0.00% | +226 | New |
| R Squared Ltd | 210 | $1.72K | 0.00% | +210 | New |
| MRP Capital Investments, LLC | 35 | $287 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 2 | $16 | 0.00% | +2 | New |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −75,100−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −57,600−100.0% | Sold out |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 0 | $0 | 0.00% | −37,500−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −32,299−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −31,054−100.0% | Sold out |
| Teachers Retirement System of the State of Kentucky | 0 | $0 | 0.00% | −27,880−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −26,129−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −15,463−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −13,529−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −10,615−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −10,074−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −3,762−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −3,018−100.0% | Sold out |