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, Q3 2022
Institutional positions in Y-mAbs Therapeutics, Inc. as of Sep 30, 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
- 100
- +9 vs. Q2 2022
- Shares held
- 23.6M
- −1.20M (−4.9%) vs. Q2 2022
- Total value
- $339.7M
- −$34.9M (−9.3%) vs. Q2 2022
- New holders
- 16
- 29 more added
- Sold out
- 7
- 32 more reduced
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Y-mAbs Therapeutics, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 2,897,394 | $41.8M | 0.00% | −78,827−2.6% | Reduced |
| Polar Capital Holdings Plc | 2,531,546 | $36.5M | 0.30% | −421,125−14.3% | Reduced |
| Sofinnova Investments, Inc. | 2,194,278 | $31.6M | 2.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 2,150,064 | $31.0M | 0.02% | −665,801−23.6% | Reduced |
| Wellington Management Group LLP | 1,948,469 | $28.1M | 0.01% | +78,090+4.2% | Added |
| Vanguard Group Inc | 1,920,421 | $27.7M | 0.00% | −9,495−0.5% | Reduced |
| State Street Corp | 1,919,139 | $27.7M | 0.00% | +175,997+10.1% | Added |
| FMR LLC | 1,378,466 | $19.9M | 0.00% | −592,385−30.1% | Reduced |
| Geode Capital Management, LLC | 632,895 | $9.13M | 0.00% | +6,727+1.1% | Added |
| MPM Oncology Impact Management LP | 443,702 | $6.40M | 1.52% | 00.0% | Unchanged |
| Walleye Capital LLC | 437,344 | $6.31M | 0.14% | +21,204+5.1% | Added |
| Artal Group S.A. | 400,000 | $5.77M | 0.30% | 00.0% | Unchanged |
| Northern Trust Corp | 329,023 | $4.75M | 0.00% | −4,075−1.2% | Reduced |
| Driehaus Capital Management LLC | 297,252 | $4.29M | 0.06% | +297,252 | New |
| Morgan Stanley | 255,492 | $3.68M | 0.00% | −118,664−31.7% | Reduced |
| Charles Schwab Investment Management Inc | 248,415 | $3.58M | 0.00% | +807+0.3% | Added |
| Perceptive Advisors LLC | 212,018 | $3.06M | 0.09% | 00.0% | Unchanged |
| Memorial Sloan Kettering Cancer Center | 191,176 | $2.76M | 9.37% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 183,077 | $2.64M | 0.00% | +31,351+20.7% | Added |
| Candriam Luxembourg S.C.A. | 172,584 | $2.49M | 0.02% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Switzerland) SA | 168,795 | $2.43M | 0.21% | −12,138−6.7% | Reduced |
| Cormorant Asset Management, LP | 150,000 | $2.16M | 0.15% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 132,611 | $1.91M | 0.00% | −87,356−39.7% | Reduced |
| Renaissance Technologies LLC | 127,900 | $1.84M | 0.00% | −21,900−14.6% | Reduced |
| D. E. Shaw & Co., Inc. | 115,490 | $1.67M | 0.00% | +74,103+179.0% | Added |
| Bank of New York Mellon Corp | 113,355 | $1.63M | 0.00% | +10,698+10.4% | Added |
| Nuveen Asset Management, LLC | 103,964 | $1.50M | 0.00% | −4,062−3.8% | Reduced |
| Bank of America Corp | 103,586 | $1.49M | 0.00% | +34,679+50.3% | Added |
| Ashford Capital Management Inc | 101,970 | $1.47M | 0.22% | −2,230−2.1% | Reduced |
| Rafferty Asset Management, LLC | 101,824 | $1.47M | 0.02% | +51,228+101.2% | Added |
| Citigroup Inc | 94,280 | $1.36M | 0.00% | +35,354+60.0% | Added |
| Rice Hall James & Associates, LLC | 90,665 | $1.31M | 0.08% | −1,233−1.3% | Reduced |
| Citadel Advisors LLC | 90,460 | $1.30M | 0.00% | +90,460 | New |
| Soleus Capital Management, L.P. | 87,182 | $1.26M | 0.17% | −49,000−36.0% | Reduced |
| Swiss National Bank | 77,100 | $1.11M | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 76,817 | $1.11M | 0.00% | −22,277−22.5% | Reduced |
| Ameriprise Financial Inc | 67,498 | $973.0K | 0.00% | −2,036−2.9% | Reduced |
| Barclays PLC | 64,445 | $929.0K | 0.00% | +61,634+2,192.6% | Added |
| Rhumbline Advisers | 46,805 | $675.0K | 0.00% | +3,294+7.6% | Added |
| UBS Oconnor LLC | 44,000 | $634.0K | 0.01% | +44,000 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 43,852 | $632.0K | 0.00% | +7,798+21.6% | Added |
| California State Teachers Retirement System | 42,704 | $616.0K | 0.00% | −803−1.8% | Reduced |
| Ensign Peak Advisors, Inc | 42,152 | $608.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 39,011 | $562.5K | 0.00% | +31,031+388.9% | Added |
| Susquehanna International Group, LLP | 38,668 | $558.0K | 0.00% | +17,042+78.8% | Added |
| JPMorgan Chase & Co | 33,979 | $491.0K | 0.00% | +1,315+4.0% | Added |
| Victory Capital Management Inc | 32,990 | $476.0K | 0.00% | +32,990 | New |
| STRS Ohio | 29,100 | $419.0K | 0.00% | +2,500+9.4% | Added |
| Voya Investment Management LLC | 28,452 | $410.3K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 28,251 | $407.0K | 0.00% | +28,251 | New |
| Walleye Trading LLC | 26,607 | $384.0K | 0.01% | +26,607 | New |
| Credit Suisse AG | 24,977 | $360.0K | 0.00% | +4,053+19.4% | Added |
| New York State Common Retirement Fund | 24,615 | $355.0K | 0.00% | +61+0.2% | Added |
| Millennium Management LLC | 23,633 | $341.0K | 0.00% | −58,144−71.1% | Reduced |
| MetLife Investment Management | 20,683 | $298.2K | 0.00% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 20,468 | $295.0K | 0.00% | −832−3.9% | Reduced |
| Marshall Wace, LLP | 20,470 | $295.0K | 0.00% | +20,470 | New |
| Algert Global LLC | 17,482 | $252.0K | 0.02% | +2,918+20.0% | Added |
| American International Group, Inc. | 17,430 | $251.0K | 0.00% | +246+1.4% | Added |
| Deutsche Bank AG | 17,186 | $248.0K | 0.00% | −53,150−75.6% | Reduced |
| Invesco Ltd. | 16,803 | $242.0K | 0.00% | −98,499−85.4% | Reduced |
| Cna Financial Corp | 16,720 | $241.0K | 0.09% | −7,190−30.1% | Reduced |
| Price T Rowe Associates Inc | 16,708 | $241.0K | 0.00% | +2,285+15.8% | Added |
| SG Americas Securities, LLC | 16,542 | $239.0K | 0.00% | −1,675−9.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 15,922 | $230.0K | 0.00% | +4,736+42.3% | Added |
| Trexquant Investment LP | 15,912 | $229.0K | 0.01% | +15,912 | New |
| UBS Asset Management Americas Inc | 15,600 | $225.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 15,475 | $223.0K | 0.00% | −5,993−27.9% | Reduced |
| State Board of Administration of Florida Retirement System | 15,096 | $218.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 14,743 | $212.6K | 0.00% | −332−2.2% | Reduced |
| DekaBank Deutsche Girozentrale | 14,400 | $209.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 12,594 | $182.0K | 0.00% | −12,975−50.7% | Reduced |
| Jane Street Group, LLC | 12,375 | $178.0K | 0.00% | +12,375 | New |
| Teacher Retirement System of Texas | 10,807 | $156.0K | 0.00% | +10,807 | New |
| Principal Financial Group Inc | 10,391 | $150.0K | 0.00% | −204−1.9% | Reduced |
| Man Group plc | 10,300 | $149.0K | 0.00% | +10,300 | New |
| Cubist Systematic Strategies, LLC | 10,000 | $144.0K | 0.00% | −542−5.1% | Reduced |
| Aquatic Capital Management LLC | 7,500 | $108.0K | 0.01% | +7,500 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,513 | $94.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 5,819 | $84.0K | 0.00% | +92+1.6% | Added |
| Royal Bank of Canada | 5,816 | $84.0K | 0.00% | +297+5.4% | Added |
| Ameritas Investment Partners, Inc. | 2,645 | $38.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,305 | $33.2K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,880 | $27.0K | 0.00% | +1,348+253.4% | Added |
| Allspring Global Investments Holdings, LLC | 1,737 | $25.0K | 0.00% | −2,891−62.5% | Reduced |
| Advisor Group Holdings, Inc. | 1,683 | $24.0K | 0.00% | +1,683 | New |
| Tower Research Capital LLC (TRC) | 1,584 | $23.0K | 0.00% | −2,600−62.1% | Reduced |
| Great West Life Assurance Co | 1,443 | $21.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,291 | $18.0K | 0.00% | −242−15.8% | Reduced |
| Russell Investments Group, Ltd. | 816 | $11.0K | 0.00% | +816 | New |
| HighMark Wealth Management LLC | 720 | $10.0K | 0.01% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 606 | $9.00K | 0.00% | +6+1.0% | Added |
| Nisa Investment Advisors, LLC | 1,739 | $7.00K | 0.00% | +39+2.3% | Added |
| Macquarie Group Ltd | 209 | $7.00K | 0.00% | −262−55.6% | Reduced |
| China Universal Asset Management Co., Ltd. | 410 | $6.00K | 0.00% | +410 | New |
| Daiwa Securities Group Inc. | 149 | $2.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 51 | $1.00K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 47 | $1.00K | 0.00% | 00.0% | Unchanged |
| Eagle Bay Advisors LLC | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 15 | $0 | 0.00% | +15 | New |