Y-Mabs TherapeuticsYMAB
13F holders, Q4 2024 (December 31)112holders +7
12new positions
11sold out
6famous investors
$7.83avg. 13F price*
At the end of Q4 2024, 112 institutions reported holding Y-Mabs Therapeutics Inc. (YMAB) in their 13F filings, up 7 from Q3 2024. 12 opened new positions and 11 sold out. The largest holders were Paradigm Biocapital Advisors LP ($33.2M), BlackRock, Inc. ($23.5M) and Acorn Capital Advisors, LLC ($22.4M). 6 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Y-Mabs Therapeutics Inc.
- CUSIP
- 984241109
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $1.5M |
| Exits | 11 | $3.3M |
All 13F filers, Q3 2024 → Q4 2024: 2,005,553 shares bought and 1,976,776 shares sold, net +28,777 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 112 holders
| Paradigm Biocapital Advisors LP | 1.15% | Add +3.7% | 4,236,346 | $33.2M |
| BlackRock, Inc. | 0.00% | Reduce -0.9% | 2,998,472 | $23.5M |
| Acorn Capital Advisors, LLC | 12.06% | — | 2,861,825 | $22.4M |
| Sofinnova Investments, Inc. | 1.26% | No change | 2,194,278 | $17.2M |
| Vanguard Group Inc. | 0.00% | Reduce -1.7% | 2,000,022 | $15.7M |
| Polar Capital Holdings Plc | 0.08% | No change | 1,831,000 | $14.3M |
| Caligan Partners LP | 3.51% | Add +47.9% | 1,767,982 | $13.8M |
| State Street Corp. | 0.00% | Add +8.7% | 1,314,409 | $10.3M |
| Logos Global Management LP | 0.92% | Add +25.0% | 1,000,000 | $7.8M |
| Geode Capital Management, LLC | 0.00% | Add +1.1% | 822,309 | $6.4M |
| Pictet Asset Management Holding SA | 0.01% | Add +9.9% | 756,297 | $5.9M |
| Boothbay Fund Management, LLC | 0.17% | Add +24.4% | 693,693 | $5.4M |
| D. E. Shaw & Co. | 0.01% | Reduce -21.9% | 615,131 | $4.8M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -3.0% | 463,235 | $3.6M |
| Cormorant Asset Management, LP | 0.18% | Reduce -70.7% | 425,000 | $3.3M |
| Northern Trust Corp. | 0.00% | Add +6.5% | 359,223 | $2.8M |
| Soleus Capital Management, L.P. | 0.21% | Reduce -12.5% | 349,982 | $2.7M |
| Morgan Stanley | 0.00% | Add +29.0% | 320,807 | $2.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.8% | 284,540 | $2.2M |
| Citadel Advisors | 0.00% | Reduce -19.2% | 221,914 | $1.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -1.5% | 219,175 | $1.7M |
| Infinitum Asset Management, LLC | 0.64% | — | 155,529 | $1.2M |
| Jacobs Levy Equity Management, Inc. | 0.00% | No change | 149,681 | $1.2M |
| Wellington Management Group LLP | 0.00% | Reduce -2.5% | 133,263 | $1.0M |
| Renaissance Technologies | 0.00% | Add +371.7% | 131,600 | $1.0M |
| Bank of America Corp. | 0.00% | Add +59.5% | 127,159 | $996K |
| Nuveen Asset Management, LLC | 0.00% | No change | 112,483 | $881K |
| Rice Hall James & Associates, LLC | 0.05% | Reduce -0.1% | 108,549 | $850K |
| Squarepoint Ops LLC | 0.00% | Reduce -33.5% | 102,968 | $806K |
| JPMorgan Chase & Co. | 0.00% | Add +221.9% | 97,660 | $765K |
| Bank of New York Mellon Corp | 0.00% | Add +1.0% | 92,449 | $724K |
| Two Sigma Investments, LP | 0.00% | Add +31.6% | 88,337 | $692K |
| Barclays PLC | 0.00% | Add +9.6% | 75,862 | $594K |
| Two Sigma Advisers, LP | 0.00% | Reduce -13.1% | 73,900 | $579K |
| Franklin Resources Inc. | 0.00% | Add +0.1% | 67,367 | $527K |
| Swiss National Bank | 0.00% | No change | 60,300 | $472K |
| Royal Bank of Canada | 0.00% | Add +437.9% | 55,677 | $436K |
| Alliancebernstein L.P. | 0.00% | No change | 54,780 | $429K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +17.4% | 52,356 | $410K |
| FMR LLC | 0.00% | Add +42.0% | 51,722 | $405K |
| Rhumbline Advisers | 0.00% | Reduce -1.6% | 51,452 | $403K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -34.3% | 49,900 | $391K |
| Citigroup Inc. | 0.00% | Add +79.9% | 49,231 | $385K |
| Marshall Wace, LLP | 0.00% | Add +217.4% | 49,225 | $385K |
| Cubist Systematic Strategies, LLC | 0.01% | New | 48,011 | $376K |
| Federated Hermes, Inc. | 0.00% | No change | 44,474 | $348K |
| Sapient Capital LLC | 0.01% | No change | 43,700 | $342K |
| STRS Ohio | 0.00% | No change | 43,400 | $340K |
| Rafferty Asset Management, LLC | 0.00% | Add +17.6% | 41,255 | $323K |
| UBS Group AG | 0.00% | Reduce -12.7% | 38,932 | $305K |
| State of Wisconsin Investment Board | 0.00% | Reduce -32.0% | 37,857 | $296K |
| Alps Advisors Inc. | 0.00% | Add +5.8% | 36,215 | $284K |
| Virtus Advisers, LLC | 0.11% | Add +30.9% | 35,789 | $280K |
| Millennium Management | 0.00% | Reduce -50.5% | 35,447 | $278K |
| Legal & General Group Plc | 0.00% | Add +3.4% | 34,942 | $274K |
| Jump Financial, LLC | 0.01% | New | 33,380 | $261K |
| Jane Street Group, LLC | 0.00% | Add +75.3% | 33,203 | $260K |
| ExodusPoint Capital Management, LP | 0.00% | New | 32,256 | $253K |
| Deutsche Bank AG | 0.00% | Add +52.2% | 32,253 | $253K |
| California State Teachers Retirement System | 0.00% | No change | 29,481 | $231K |
| Susquehanna International Group, LLP | 0.00% | New | 28,489 | $223K |
| Engineers Gate Manager LP | 0.00% | New | 27,386 | $214K |
| AlphaQuest LLC | 0.03% | Add +6911.6% | 27,135 | $212K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +12.6% | 22,818 | $179K |
| Principal Financial Group Inc. | 0.00% | Add +9.4% | 22,197 | $174K |
| Intech Investment Management LLC | 0.00% | Add +118.5% | 22,176 | $174K |
| MetLife Investment Management, LLC | 0.00% | No change | 22,141 | $173K |
| XTX Topco Ltd | 0.01% | Add +83.8% | 20,768 | $163K |
| Prudential Financial Inc. | 0.00% | Reduce -39.2% | 18,625 | $146K |
| Corebridge Financial, Inc. | 0.00% | Reduce -5.5% | 18,577 | $145K |
| Campbell & CO Investment Adviser LLC | 0.01% | Reduce -68.5% | 17,850 | $140K |
| SG Americas Securities, LLC | 0.00% | Add +30.7% | 17,729 | $139K |
| Wells Fargo & Company | 0.00% | Add +54.1% | 17,458 | $137K |
| AQR Capital Management | 0.00% | Reduce -37.6% | 17,000 | $133K |
| Janus Henderson Group PLC | 0.00% | No change | 16,300 | $128K |
| Invesco Ltd. | 0.00% | Add +2.5% | 14,923 | $117K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 14,596 | $114K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -37.6% | 14,067 | $111K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -1.9% | 13,818 | $108K |
| Exchange Traded Concepts, LLC | 0.00% | No change | 12,872 | $101K |
| ProShare Advisors LLC | 0.00% | New | 12,645 | $99K |
| Voya Investment Management LLC | 0.00% | Reduce -5.9% | 11,695 | $92K |
| New York State Common Retirement Fund | 0.00% | No change | 10,110 | $79K |
| China Universal Asset Management Co., Ltd. | 0.01% | Add +10.8% | 9,497 | $74K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | — | 7,327 | $57K |
| KLP Kapitalforvaltning As | 0.00% | — | 5,900 | $46K |
| BNP Paribas Financial Markets | 0.00% | Reduce -81.5% | 4,874 | $38K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,701 | $29K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 3,324 | $26K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 3,048 | $24K |
| Aquatic Capital Management LLC | 0.00% | New | 2,520 | $20K |
| Simplex Trading, LLC | 0.00% | New | 1,783 | $13K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -69.5% | 1,642 | $13K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -7.4% | 1,493 | $12K |
| Amalgamated Bank | 0.00% | No change | 1,217 | $10K |
| GF Fund Management Co. LTD. | 0.00% | — | 940 | $7K |
| Point72 Asset Management | 0.00% | Reduce -99.4% | 550 | $4K |
| Point72 (DIFC) Ltd | 0.00% | New | 488 | $4K |
| Bessemer Group Inc. | 0.00% | No change | 180 | $1K |
| Daiwa Securities Group Inc. | 0.00% | No change | 162 | $1K |
"% of holder's portfolio" is YMAB's weight in each manager's 13F, not the share of Y-Mabs Therapeutics Inc. the manager owns.