Y-mAbs Therapeutics, Inc.
YMABDelisted Sep 16, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001722964
Y-mAbs Therapeutics, Inc. was delisted on Sep 16, 2025; its insiders filed their last Form 4 on Sep 19, 2025; 97 institutions reported holding it in 13F filings for Q2 2025, worth $125.9M in total; no superinvestor held it.
13F holders, Q4 2024
Institutional positions in Y-mAbs Therapeutics, 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
- 113
- +8 vs. Q3 2024
- Shares held
- 28.8M
- +3.06M (+11.9%) vs. Q3 2024
- Total value
- $225.5M
- −$113.1M (−33.4%) vs. Q3 2024
- New holders
- 19
- 39 more added
- Sold out
- 11
- 31 more reduced
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting YMAB 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 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 2 | $78.3K |
| Q2 2025 | 97 | $125.9M |
| Q1 2025 | 103 | $127.6M |
| Q4 2024 | 113 | $225.5M |
| Q3 2024 | 105 | $338.5M |
| Q2 2024 | 96 | $294.2M |
| Q1 2024 | 96 | $374.0M |
| Q4 2023 | 94 | $138.0M |
| Q3 2023 | 99 | $107.3M |
| Q2 2023 | 95 | $132.4M |
| Q1 2023 | 86 | $95.4M |
| Q4 2022 | 91 | $94.2M |
| Q3 2022 | 100 | $339.7M |
| Q2 2022 | 91 | $374.7M |
| Q1 2022 | 88 | $300.6M |
| Q4 2021 | 97 | $417.1M |
| Q3 2021 | 97 | $749.0M |
| Q2 2021 | 100 | $886.9M |
| Q1 2021 | 117 | $804.8M |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Y-mAbs Therapeutics, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Farther Finance Advisors, LLC | 1 | $8 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 0 | $94 | 0.00% | 0 | New |
| SBI Securities Co., Ltd. | 16 | $125 | 0.00% | +16 | New |
| US Bancorp | 23 | $180 | 0.00% | +6+35.3% | Added |
| GAMMA Investing LLC | 33 | $258 | 0.00% | −7−17.5% | Reduced |
| Sterling Capital Management LLC | 38 | $298 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 40 | $313 | 0.00% | +15+60.0% | Added |
| Caitong International Asset Management Co., Ltd | 45 | $352 | 0.00% | +45 | New |
| Eagle Bay Advisors LLC | 50 | $392 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 54 | $423 | 0.00% | −110−67.1% | Reduced |
| UMA Financial Services, Inc. | 87 | $682 | 0.00% | +87 | New |
| Skopos Labs, Inc. | 127 | $995 | 0.00% | +127 | New |
| Bessemer Group Inc | 180 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 162 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 68 | $1.00K | 0.00% | −7−9.3% | Reduced |
| Point72 (DIFC) Ltd | 488 | $3.82K | 0.00% | +488 | New |
| Point72 Asset Management, L.P. | 550 | $4.31K | 0.00% | −94,833−99.4% | Reduced |
| GF Fund Management Co. Ltd. | 940 | $7.36K | 0.00% | +940 | New |
| Amalgamated Bank | 1,217 | $10.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 1,493 | $11.9K | 0.00% | −119−7.4% | Reduced |
| Tower Research Capital LLC (TRC) | 1,642 | $12.9K | 0.00% | −3,748−69.5% | Reduced |
| Simplex Trading, LLC | 1,783 | $13.0K | 0.00% | +1,783 | New |
| Aquatic Capital Management LLC | 2,520 | $19.7K | 0.00% | +2,520 | New |
| Great West Life Assurance Co | 3,048 | $24.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,324 | $26.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,701 | $29.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 4,874 | $38.2K | 0.00% | −21,545−81.6% | Reduced |
| KLP Kapitalforvaltning AS | 5,900 | $46.2K | 0.00% | +5,900 | New |
| Police & Firemen's Retirement System of New Jersey | 7,327 | $57.4K | 0.00% | +7,327 | New |
| China Universal Asset Management Co., Ltd. | 9,497 | $74.4K | 0.01% | +925+10.8% | Added |
| New York State Common Retirement Fund | 10,110 | $79.2K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 11,695 | $91.6K | 0.00% | −738−5.9% | Reduced |
| ProShare Advisors LLC | 12,645 | $99.0K | 0.00% | +12,645 | New |
| Exchange Traded Concepts, LLC | 12,872 | $100.8K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 13,818 | $108.2K | 0.00% | −268−1.9% | Reduced |
| Price T Rowe Associates Inc | 14,067 | $111.0K | 0.00% | −8,470−37.6% | Reduced |
| State Board of Administration of Florida Retirement System | 14,596 | $114.3K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 14,923 | $116.8K | 0.00% | +367+2.5% | Added |
| Janus Henderson Group PLC | 16,300 | $127.5K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 17,000 | $133.1K | 0.00% | −10,247−37.6% | Reduced |
| Wells Fargo & Company | 17,458 | $136.7K | 0.00% | +6,131+54.1% | Added |
| SG Americas Securities, LLC | 17,729 | $139.0K | 0.00% | +4,163+30.7% | Added |
| Campbell & CO Investment Adviser LLC | 17,850 | $139.8K | 0.01% | −38,740−68.5% | Reduced |
| Corebridge Financial, Inc. | 18,577 | $145.5K | 0.00% | −1,089−5.5% | Reduced |
| Prudential Financial Inc | 18,625 | $145.8K | 0.00% | −12,000−39.2% | Reduced |
| XTX Topco Ltd | 20,768 | $162.6K | 0.01% | +9,468+83.8% | Added |
| MetLife Investment Management | 22,141 | $173.4K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 22,176 | $173.6K | 0.00% | +12,027+118.5% | Added |
| Principal Financial Group Inc | 22,197 | $173.8K | 0.00% | +1,903+9.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 22,818 | $178.6K | 0.00% | +2,545+12.6% | Added |
| Quest Partners LLC | 27,135 | $212.5K | 0.03% | +26,748+6,911.6% | Added |
| Engineers Gate Manager LP | 27,386 | $214.4K | 0.00% | +27,386 | New |
| Susquehanna International Group, LLP | 28,489 | $223.1K | 0.00% | +28,489 | New |
| California State Teachers Retirement System | 29,481 | $230.8K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 32,253 | $252.5K | 0.00% | +11,059+52.2% | Added |
| ExodusPoint Capital Management, LP | 32,256 | $253.0K | 0.00% | +32,256 | New |
| Jane Street Group, LLC | 33,203 | $260.0K | 0.00% | +14,267+75.3% | Added |
| Jump Financial, LLC | 33,380 | $261.4K | 0.01% | +33,380 | New |
| Legal & General Group Plc | 34,942 | $273.6K | 0.00% | +1,138+3.4% | Added |
| Millennium Management LLC | 35,447 | $277.6K | 0.00% | −36,139−50.5% | Reduced |
| Virtus ETF Advisers LLC | 35,789 | $280.2K | 0.11% | +8,457+30.9% | Added |
| Alps Advisors Inc | 36,215 | $283.6K | 0.00% | +1,984+5.8% | Added |
| State of Wisconsin Investment Board | 37,857 | $296.4K | 0.00% | −17,811−32.0% | Reduced |
| UBS Group AG | 38,932 | $304.8K | 0.00% | −5,654−12.7% | Reduced |
| Rafferty Asset Management, LLC | 41,255 | $323.0K | 0.00% | +6,178+17.6% | Added |
| STRS Ohio | 43,400 | $339.8K | 0.00% | 00.0% | Unchanged |
| Sapient Capital LLC | 43,700 | $342.2K | 0.01% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 44,474 | $348.2K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 48,011 | $375.9K | 0.01% | +48,011 | New |
| Marshall Wace, LLP | 49,225 | $385.4K | 0.00% | +33,716+217.4% | Added |
| Citigroup Inc | 49,231 | $385.5K | 0.00% | +21,872+79.9% | Added |
| Bridgeway Capital Management, LLC | 49,900 | $390.7K | 0.01% | −26,100−34.3% | Reduced |
| Rhumbline Advisers | 51,452 | $402.9K | 0.00% | −863−1.6% | Reduced |
| FMR LLC | 51,722 | $405.0K | 0.00% | +15,306+42.0% | Added |
| UBS Asset Management Americas Inc | 52,356 | $409.9K | 0.00% | +7,765+17.4% | Added |
| Alliancebernstein L.P. | 54,780 | $428.9K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 55,677 | $436.0K | 0.00% | +45,327+437.9% | Added |
| Swiss National Bank | 60,300 | $472.1K | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 67,367 | $527.5K | 0.00% | +78+0.1% | Added |
| Two Sigma Advisers, LP | 73,900 | $578.6K | 0.00% | −11,100−13.1% | Reduced |
| Barclays PLC | 75,862 | $594.0K | 0.00% | +6,640+9.6% | Added |
| Two Sigma Investments, LP | 88,337 | $691.7K | 0.00% | +21,196+31.6% | Added |
| Bank of New York Mellon Corp | 92,449 | $723.9K | 0.00% | +894+1.0% | Added |
| JPMorgan Chase & Co | 97,660 | $764.7K | 0.00% | +67,325+221.9% | Added |
| Squarepoint Ops LLC | 102,968 | $806.2K | 0.00% | −51,963−33.5% | Reduced |
| Rice Hall James & Associates, LLC | 108,549 | $849.9K | 0.05% | −135−0.1% | Reduced |
| Nuveen Asset Management, LLC | 112,483 | $880.7K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 127,159 | $995.7K | 0.00% | +47,439+59.5% | Added |
| Renaissance Technologies LLC | 131,600 | $1.03M | 0.00% | +103,700+371.7% | Added |
| Wellington Management Group LLP | 133,263 | $1.04M | 0.00% | −3,451−2.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 149,681 | $1.17M | 0.00% | 00.0% | Unchanged |
| Infinitum Asset Management, LLC | 155,529 | $1.22M | 0.64% | +155,529 | New |
| Goldman Sachs Group Inc | 219,175 | $1.72M | 0.00% | −3,425−1.5% | Reduced |
| Citadel Advisors LLC | 221,914 | $1.74M | 0.00% | −52,633−19.2% | Reduced |
| Charles Schwab Investment Management Inc | 284,540 | $2.23M | 0.00% | +4,963+1.8% | Added |
| Morgan Stanley | 320,807 | $2.51M | 0.00% | +72,085+29.0% | Added |
| Soleus Capital Management, L.P. | 349,982 | $2.74M | 0.21% | −50,000−12.5% | Reduced |
| Northern Trust Corp | 359,223 | $2.81M | 0.00% | +21,936+6.5% | Added |
| Cormorant Asset Management, LP | 425,000 | $3.33M | 0.18% | −1,025,000−70.7% | Reduced |
| Dimensional Fund Advisors LP | 463,235 | $3.63M | 0.00% | −14,429−3.0% | Reduced |