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, Q2 2022
Institutional positions in Y-mAbs Therapeutics, Inc. as of Jun 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
- 91
- +5 vs. Q1 2022
- Shares held
- 24.8M
- −513.4K (−2.0%) vs. Q1 2022
- Total value
- $374.7M
- +$74.4M (+24.8%) vs. Q1 2022
- New holders
- 13
- 34 more added
- Sold out
- 8
- 26 more reduced
2 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2022
Shares, value and share of portfolio for each institution holding Y-mAbs Therapeutics, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 2,976,221 | $45.0M | 0.00% | +31,127+1.1% | Added |
| Polar Capital Holdings Plc | 2,952,671 | $44.7M | 0.35% | +75,000+2.6% | Added |
| Alliancebernstein L.P. | 2,815,865 | $42.6M | 0.02% | −153,294−5.2% | Reduced |
| Sofinnova Investments, Inc. | 2,194,278 | $33.2M | 2.95% | 00.0% | Unchanged |
| FMR LLC | 1,970,851 | $29.8M | 0.00% | +5830.0% | Added |
| Vanguard Group Inc | 1,929,916 | $29.2M | 0.00% | +135,406+7.5% | Added |
| Wellington Management Group LLP | 1,870,379 | $28.3M | 0.01% | −40,199−2.1% | Reduced |
| State Street Corp | 1,743,142 | $26.4M | 0.00% | −565,640−24.5% | Reduced |
| Geode Capital Management, LLC | 626,168 | $9.47M | 0.00% | +42,639+7.3% | Added |
| MPM Oncology Impact Management LP | 443,702 | $6.71M | 1.86% | 00.0% | Unchanged |
| Walleye Capital LLC | 416,140 | $6.30M | 0.18% | +416,140 | New |
| Artal Group S.A. | 400,000 | $6.05M | 0.34% | 00.0% | Unchanged |
| Morgan Stanley | 374,156 | $5.66M | 0.00% | −167,405−30.9% | Reduced |
| Northern Trust Corp | 333,098 | $5.04M | 0.00% | +5,845+1.8% | Added |
| Charles Schwab Investment Management Inc | 247,608 | $3.75M | 0.00% | +13,852+5.9% | Added |
| Dimensional Fund Advisors LP | 219,967 | $3.33M | 0.00% | +36,599+20.0% | Added |
| Perceptive Advisors LLC | 212,018 | $3.21M | 0.10% | +212,018 | New |
| Memorial Sloan Kettering Cancer Center | 191,176 | $2.89M | 9.56% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Switzerland) SA | 180,933 | $2.74M | 0.23% | −40,841−18.4% | Reduced |
| Candriam Luxembourg S.C.A. | 172,584 | $2.61M | 0.02% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 151,726 | $2.30M | 0.00% | +25,615+20.3% | Added |
| Cormorant Asset Management, LP | 150,000 | $2.27M | 0.18% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 149,800 | $2.27M | 0.00% | +58,800+64.6% | Added |
| Soleus Capital Management, L.P. | 136,182 | $2.06M | 0.33% | −102,800−43.0% | Reduced |
| Invesco Ltd. | 115,302 | $1.75M | 0.00% | +100,158+661.4% | Added |
| Nuveen Asset Management, LLC | 108,026 | $1.63M | 0.00% | +1,256+1.2% | Added |
| Ashford Capital Management Inc | 104,200 | $1.58M | 0.22% | −2,570−2.4% | Reduced |
| Bank of New York Mellon Corp | 102,657 | $1.55M | 0.00% | −1,478−1.4% | Reduced |
| State of Wisconsin Investment Board | 99,094 | $1.50M | 0.00% | +6,994+7.6% | Added |
| Rice Hall James & Associates, LLC | 91,898 | $1.39M | 0.07% | +1,523+1.7% | Added |
| Millennium Management LLC | 81,777 | $1.24M | 0.00% | +81,777 | New |
| Swiss National Bank | 77,100 | $1.17M | 0.00% | +15,100+24.4% | Added |
| Deutsche Bank AG | 70,336 | $1.06M | 0.00% | −234,706−76.9% | Reduced |
| Ameriprise Financial Inc | 69,534 | $1.05M | 0.00% | +69,534 | New |
| Bank of America Corp | 68,907 | $1.04M | 0.00% | −329,916−82.7% | Reduced |
| Citigroup Inc | 58,926 | $891.0K | 0.00% | +28,524+93.8% | Added |
| Rafferty Asset Management, LLC | 50,596 | $766.0K | 0.01% | −89,711−63.9% | Reduced |
| California State Teachers Retirement System | 43,507 | $658.0K | 0.00% | +6,214+16.7% | Added |
| Rhumbline Advisers | 43,511 | $658.0K | 0.00% | +7,419+20.6% | Added |
| Ensign Peak Advisors, Inc | 42,152 | $638.0K | 0.00% | +37,812+871.2% | Added |
| D. E. Shaw & Co., Inc. | 41,387 | $626.0K | 0.00% | −97,270−70.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 36,054 | $545.0K | 0.00% | +9,611+36.3% | Added |
| JPMorgan Chase & Co | 32,664 | $494.0K | 0.00% | −9,658−22.8% | Reduced |
| Allianz Asset Management GmbH | 32,085 | $485.0K | 0.00% | +3,350+11.7% | Added |
| HRT Financial LP | 31,678 | $479.0K | 0.01% | +31,678 | New |
| Ergoteles LLC | 28,697 | $434.0K | 0.01% | +5,634+24.4% | Added |
| Voya Investment Management LLC | 28,452 | $430.0K | 0.00% | +617+2.2% | Added |
| STRS Ohio | 26,600 | $402.0K | 0.00% | +1,500+6.0% | Added |
| UBS Group AG | 25,569 | $387.0K | 0.00% | −108,608−80.9% | Reduced |
| New York State Common Retirement Fund | 24,554 | $372.0K | 0.00% | −25−0.1% | Reduced |
| Cna Financial Corp | 23,910 | $362.0K | 0.13% | −1,540−6.1% | Reduced |
| Susquehanna International Group, LLP | 21,626 | $327.0K | 0.00% | −12,791−37.2% | Reduced |
| Legal & General Group Plc | 21,468 | $325.0K | 0.00% | +11,469+114.7% | Added |
| Brandywine Global Investment Management, LLC | 21,300 | $322.0K | 0.00% | −3,100−12.7% | Reduced |
| Credit Suisse AG | 20,924 | $317.0K | 0.00% | +1,659+8.6% | Added |
| MetLife Investment Management | 20,683 | $312.9K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 18,217 | $276.0K | 0.00% | +18,217 | New |
| American International Group, Inc. | 17,184 | $260.0K | 0.00% | −166−1.0% | Reduced |
| UBS Asset Management Americas Inc | 15,600 | $236.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 15,075 | $228.1K | 0.00% | −240−1.6% | Reduced |
| State Board of Administration of Florida Retirement System | 15,096 | $228.0K | 0.00% | +3,940+35.3% | Added |
| Algert Global LLC | 14,564 | $220.0K | 0.02% | +4,050+38.5% | Added |
| Price T Rowe Associates Inc | 14,423 | $218.0K | 0.00% | +258+1.8% | Added |
| Balyasny Asset Management LLC | 14,122 | $214.0K | 0.00% | +14,122 | New |
| DekaBank Deutsche Girozentrale | 14,400 | $210.0K | 0.00% | 00.0% | Unchanged |
| DnB Asset Management AS | 13,399 | $202.7K | 0.00% | +13,399 | New |
| Mirae Asset Global Investments Co., Ltd. | 11,186 | $169.0K | 0.00% | +11,186 | New |
| Cubist Systematic Strategies, LLC | 10,542 | $160.0K | 0.00% | −2,241−17.5% | Reduced |
| Principal Financial Group Inc | 10,595 | $160.0K | 0.00% | +10,595 | New |
| BNP Paribas Arbitrage, SA | 7,980 | $120.7K | 0.00% | +5,052+172.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,513 | $99.0K | 0.00% | +4,645+248.7% | Added |
| Amalgamated Bank | 5,727 | $87.0K | 0.00% | +21+0.4% | Added |
| Lazard Asset Management LLC | 5,655 | $85.0K | 0.00% | +5,655 | New |
| Royal Bank of Canada | 5,519 | $83.0K | 0.00% | −3,952−41.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 4,628 | $70.0K | 0.00% | −13,578−74.6% | Reduced |
| Tower Research Capital LLC (TRC) | 4,184 | $63.0K | 0.00% | +1,304+45.3% | Added |
| Barclays PLC | 2,811 | $43.0K | 0.00% | −2,984−51.5% | Reduced |
| Ameritas Investment Partners, Inc. | 2,645 | $40.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,305 | $34.9K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,700 | $26.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,533 | $23.0K | 0.00% | −16,354−91.4% | Reduced |
| Great West Life Assurance Co | 1,443 | $22.0K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 720 | $11.0K | 0.01% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 600 | $9.00K | 0.00% | −74−11.0% | Reduced |
| Simplex Trading, LLC | 532 | $8.00K | 0.00% | +232+77.3% | Added |
| Macquarie Group Ltd | 471 | $7.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 149 | $2.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 154 | $2.00K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 47 | $1.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 51 | $1.00K | 0.00% | +51 | New |
| Eagle Bay Advisors LLC | 50 | $757 | 0.00% | +50 | New |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −26,927−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −23,646−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −11,069−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −11,100−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −244−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Parametric Portfolio Associates LLC | – | – | – | – | Not filed |