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 2022
Institutional positions in Y-mAbs Therapeutics, Inc. as of Dec 31, 2022. 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
- 91
- −9 vs. Q3 2022
- Shares held
- 19.3M
- −4.25M (−18.1%) vs. Q3 2022
- Total value
- $94.2M
- −$245.5M (−72.3%) vs. Q3 2022
- New holders
- 20
- 25 more added
- Sold out
- 29
- 33 more reduced
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Y-mAbs Therapeutics, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nisa Investment Advisors, LLC | 62 | $0 | 0.00% | −1,677−96.4% | Reduced |
| Eagle Bay Advisors LLC | 50 | $244 | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 220 | $1.07K | 0.00% | −500−69.4% | Reduced |
| Tower Research Capital LLC (TRC) | 576 | $3.00K | 0.00% | −1,008−63.6% | Reduced |
| Russell Investments Group, Ltd. | 816 | $3.98K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,063 | $5.19K | 0.00% | −93,217−98.9% | Reduced |
| FMR LLC | 1,202 | $5.87K | 0.00% | −1,377,264−99.9% | Reduced |
| Great West Life Assurance Co | 1,443 | $7.00K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,694 | $8.27K | 0.00% | −4,819−74.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,699 | $8.29K | 0.00% | −38−2.2% | Reduced |
| Metropolitan Life Insurance Co | 2,293 | $11.2K | 0.00% | −12−0.5% | Reduced |
| Ameritas Investment Partners, Inc. | 2,645 | $11.7K | 0.00% | 00.0% | Unchanged |
| Point72 Middle East FZE | 2,999 | $14.6K | 0.00% | +2,999 | New |
| Amalgamated Bank | 5,819 | $28.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 8,660 | $42.0K | 0.00% | +2,844+48.9% | Added |
| Barclays PLC | 9,859 | $48.1K | 0.00% | −54,586−84.7% | Reduced |
| SG Americas Securities, LLC | 10,059 | $49.0K | 0.00% | −6,483−39.2% | Reduced |
| Principal Financial Group Inc | 11,661 | $56.9K | 0.00% | +1,270+12.2% | Added |
| MetLife Investment Management | 13,191 | $64.4K | 0.00% | −7,492−36.2% | Reduced |
| State Board of Administration of Florida Retirement System | 14,306 | $69.8K | 0.00% | −790−5.2% | Reduced |
| Invesco Ltd. | 14,349 | $70.0K | 0.00% | −2,454−14.6% | Reduced |
| Cim Investment Mangement Inc | 14,787 | $72.2K | 0.03% | +14,787 | New |
| Legal & General Group Plc | 15,475 | $75.5K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 15,600 | $76.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 16,114 | $78.6K | 0.00% | +1,371+9.3% | Added |
| Mariner, LLC | 16,755 | $82.0K | 0.00% | +16,755 | New |
| American International Group, Inc. | 17,366 | $84.7K | 0.00% | −64−0.4% | Reduced |
| Deutsche Bank AG | 17,432 | $85.1K | 0.00% | +246+1.4% | Added |
| Price T Rowe Associates Inc | 17,623 | $86.0K | 0.00% | +915+5.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 17,930 | $87.5K | 0.00% | +2,008+12.6% | Added |
| Bank of America Corp | 23,123 | $112.8K | 0.00% | −80,463−77.7% | Reduced |
| Prudential Financial Inc | 23,150 | $113.0K | 0.00% | +23,150 | New |
| Credit Suisse AG | 23,704 | $115.7K | 0.00% | −1,273−5.1% | Reduced |
| Alpine Global Management, LLC | 23,866 | $116.0K | 0.04% | +23,866 | New |
| New York State Common Retirement Fund | 24,625 | $120.2K | 0.00% | +100.0% | Added |
| Algert Global LLC | 25,820 | $126.0K | 0.01% | +8,338+47.7% | Added |
| Qube Research & Technologies Ltd | 25,966 | $126.7K | 0.00% | −2,285−8.1% | Reduced |
| Landscape Capital Management, L.L.C. | 26,690 | $130.2K | 0.02% | +26,690 | New |
| Man Group plc | 28,343 | $138.3K | 0.00% | +18,043+175.2% | Added |
| JPMorgan Chase & Co | 32,683 | $160.0K | 0.00% | −1,296−3.8% | Reduced |
| BNP Paribas Arbitrage, SA | 34,396 | $167.9K | 0.00% | −4,615−11.8% | Reduced |
| Susquehanna International Group, LLP | 34,634 | $169.0K | 0.00% | −4,034−10.4% | Reduced |
| Voya Investment Management LLC | 37,645 | $183.7K | 0.00% | +9,193+32.3% | Added |
| XTX Topco Ltd | 38,574 | $188.2K | 0.04% | +38,574 | New |
| Walleye Capital LLC | 38,600 | $188.4K | 0.00% | −398,744−91.2% | Reduced |
| Cubist Systematic Strategies, LLC | 39,159 | $191.1K | 0.00% | +29,159+291.6% | Added |
| Susquehanna Fundamental Investments, LLC | 42,678 | $208.3K | 0.00% | +42,678 | New |
| California State Teachers Retirement System | 43,130 | $210.5K | 0.00% | +426+1.0% | Added |
| Cornercap Investment Counsel Inc | 48,233 | $235.4K | 0.04% | +48,233 | New |
| Rhumbline Advisers | 48,749 | $238.0K | 0.00% | +1,944+4.2% | Added |
| Renaissance Technologies LLC | 53,500 | $261.0K | 0.00% | −74,400−58.2% | Reduced |
| Two Sigma Advisers, LP | 66,100 | $322.6K | 0.00% | +66,100 | New |
| HRT Financial LP | 66,265 | $323.0K | 0.00% | +66,265 | New |
| Ameriprise Financial Inc | 66,392 | $325.0K | 0.00% | −1,106−1.6% | Reduced |
| Jane Street Group, LLC | 66,651 | $325.3K | 0.00% | +54,276+438.6% | Added |
| Swiss National Bank | 77,100 | $376.2K | 0.00% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 87,090 | $425.0K | 0.02% | −3,575−3.9% | Reduced |
| Soleus Capital Management, L.P. | 87,182 | $425.4K | 0.06% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 91,143 | $444.8K | 0.00% | +91,143 | New |
| Ashford Capital Management Inc | 98,870 | $482.5K | 0.07% | −3,100−3.0% | Reduced |
| Gsa Capital Partners LLP | 99,160 | $484.0K | 0.06% | +99,160 | New |
| Nuveen Asset Management, LLC | 104,063 | $508.0K | 0.00% | +99+0.1% | Added |
| STRS Ohio | 109,900 | $536.0K | 0.00% | +80,800+277.7% | Added |
| Bank of New York Mellon Corp | 113,340 | $553.1K | 0.00% | −150.0% | Reduced |
| Dimensional Fund Advisors LP | 121,136 | $592.0K | 0.00% | −11,475−8.7% | Reduced |
| Federated Hermes, Inc. | 127,535 | $622.4K | 0.00% | +127,535 | New |
| State of Wisconsin Investment Board | 127,558 | $622.5K | 0.00% | +50,741+66.1% | Added |
| Cormorant Asset Management, LP | 150,000 | $732.0K | 0.05% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 155,639 | $759.5K | 0.00% | −1,994,425−92.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 170,920 | $834.1K | 0.00% | +127,068+289.8% | Added |
| Memorial Sloan Kettering Cancer Center | 191,176 | $932.9K | 3.08% | 00.0% | Unchanged |
| Ergoteles LLC | 191,869 | $936.3K | 0.03% | +191,869 | New |
| Acadian Asset Management LLC | 198,560 | $968.0K | 0.00% | +198,560 | New |
| Two Sigma Investments, LP | 209,466 | $1.02M | 0.00% | +209,466 | New |
| Charles Schwab Investment Management Inc | 251,559 | $1.23M | 0.00% | +3,144+1.3% | Added |
| Morgan Stanley | 293,963 | $1.43M | 0.00% | +38,471+15.1% | Added |
| Goldman Sachs Group Inc | 316,852 | $1.55M | 0.00% | +133,775+73.1% | Added |
| Northern Trust Corp | 320,411 | $1.56M | 0.00% | −8,612−2.6% | Reduced |
| Artal Group S.A. | 400,000 | $1.95M | 0.11% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 449,430 | $2.19M | 0.01% | +449,430 | New |
| D. E. Shaw & Co., Inc. | 468,664 | $2.29M | 0.00% | +353,174+305.8% | Added |
| AQR Capital Management LLC | 480,170 | $2.34M | 0.01% | +480,170 | New |
| Geode Capital Management, LLC | 631,294 | $3.08M | 0.00% | −1,601−0.3% | Reduced |
| State Street Corp | 832,151 | $4.06M | 0.00% | −1,086,988−56.6% | Reduced |
| Citadel Advisors LLC | 960,421 | $4.69M | 0.01% | +869,961+961.7% | Added |
| Millennium Management LLC | 1,128,702 | $5.51M | 0.01% | +1,105,069+4,676.0% | Added |
| Polar Capital Holdings Plc | 1,991,929 | $9.72M | 0.08% | −539,617−21.3% | Reduced |
| Sofinnova Investments, Inc. | 2,194,278 | $10.7M | 0.65% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,258,254 | $11.0M | 0.00% | +337,833+17.6% | Added |
| BlackRock Inc. | 2,578,776 | $12.6M | 0.00% | −318,618−11.0% | Reduced |
| IFP Advisors, Inc | 103 | – | – | +103 | New |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −1,948,469−100.0% | Sold out |
| MPM Oncology Impact Management LP | 0 | $0 | 0.00% | −443,702−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −297,252−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −212,018−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −172,584−100.0% | Sold out |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −168,795−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −101,824−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −44,000−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −42,152−100.0% | Sold out |