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, Q3 2024
Institutional positions in Zenas BioPharma, Inc. as of Sep 30, 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
- 44
- +44 vs. Q2 2024
- Shares held
- 24.8M
- +24.8M vs. Q2 2024
- Total value
- $418.5M
- +$418.5M vs. Q2 2024
- New holders
- 44
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Zenas BioPharma, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sr One Capital Management, LP | 4,911,539 | $83.1M | 16.66% | +4,911,539 | New |
| NEA Management Company, LLC | 2,613,948 | $44.2M | 2.41% | +2,613,948 | New |
| FMR LLC | 2,000,000 | $33.8M | 0.00% | +2,000,000 | New |
| Fairmount Funds Management LLC | 1,892,806 | $32.0M | 2.60% | +1,892,806 | New |
| NVP Associates, LLC | 1,838,482 | $31.1M | 17.66% | +1,838,482 | New |
| Deerfield Management Company, L.P. (Series C) | 1,562,942 | $26.4M | 0.40% | +1,562,942 | New |
| Wellington Management Group LLP | 1,501,428 | $24.8M | 0.00% | +1,501,428 | New |
| Vivo Capital, LLC | 1,183,260 | $20.0M | 1.66% | +1,183,260 | New |
| Federated Hermes, Inc. | 1,158,000 | $19.6M | 0.04% | +1,158,000 | New |
| Novo Holdings A/S | 1,150,000 | $19.5M | 0.97% | +1,150,000 | New |
| Perceptive Advisors LLC | 1,144,035 | $19.4M | 0.42% | +1,144,035 | New |
| Rock Springs Capital Management LP | 878,667 | $14.9M | 0.48% | +878,667 | New |
| Pivotal bioVenture Partners Investment Advisor LLC | 650,695 | $11.0M | 6.54% | +650,695 | New |
| Price T Rowe Associates Inc | 486,854 | $8.24M | 0.00% | +486,854 | New |
| ArrowMark Colorado Holdings LLC | 300,000 | $5.08M | 0.07% | +300,000 | New |
| Eversept Partners, LP | 190,531 | $3.22M | 0.25% | +190,531 | New |
| Vanguard Group Inc | 150,000 | $2.54M | 0.00% | +150,000 | New |
| Monashee Investment Management LLC | 150,000 | $2.54M | 0.27% | +150,000 | New |
| Goldman Sachs Group Inc | 132,400 | $2.24M | 0.00% | +132,400 | New |
| Millennium Management LLC | 117,381 | $1.99M | 0.00% | +117,381 | New |
| Superstring Capital Management LP | 111,605 | $1.89M | 1.69% | +111,605 | New |
| Citadel Advisors LLC | 94,322 | $1.60M | 0.00% | +94,322 | New |
| Standard Life Aberdeen plc | 75,100 | $1.27M | 0.00% | +75,100 | New |
| Norges Bank | 75,000 | $1.27M | 0.00% | +75,000 | New |
| Point72 Asset Management, L.P. | 57,600 | $974.6K | 0.00% | +57,600 | New |
| Morgan Stanley | 51,050 | $863.8K | 0.00% | +51,050 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 37,500 | $634.5K | 0.01% | +37,500 | New |
| Squarepoint Ops LLC | 32,299 | $546.5K | 0.00% | +32,299 | New |
| Maven Securities LTD | 31,054 | $525.4K | 0.06% | +31,054 | New |
| Teachers Retirement System of the State of Kentucky | 27,880 | $472.0K | 0.00% | +27,880 | New |
| Point72 (DIFC) Ltd | 26,129 | $442.1K | 0.03% | +26,129 | New |
| M&T Bank Corp | 24,884 | $421.5K | 0.00% | +24,884 | New |
| Geode Capital Management, LLC | 24,857 | $420.6K | 0.00% | +24,857 | New |
| Barclays PLC | 15,500 | $262.3K | 0.00% | +15,500 | New |
| HRT Financial LP | 15,463 | $261.0K | 0.00% | +15,463 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 13,529 | $228.9K | 0.04% | +13,529 | New |
| Two Sigma Investments, LP | 13,000 | $220.0K | 0.00% | +13,000 | New |
| Capula Management Ltd | 10,615 | $179.6K | 0.00% | +10,615 | New |
| Landscape Capital Management, L.L.C. | 10,074 | $170.5K | 0.02% | +10,074 | New |
| The PNC Financial Services Group, Inc. | 3,849 | $65.1K | 0.00% | +3,849 | New |
| Cubist Systematic Strategies, LLC | 3,762 | $63.7K | 0.00% | +3,762 | New |
| Aster Capital Management (DIFC) Ltd | 3,018 | $51.1K | 0.01% | +3,018 | New |
| UBS Group AG | 59 | $998 | 0.00% | +59 | New |
| MRP Capital Investments, LLC | 35 | $593 | 0.00% | +35 | New |