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