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 |
|---|---|---|---|---|---|
| Eagle Bay Advisors LLC | 50 | $757 | 0.00% | +50 | New |
| Quent Capital, LLC | 47 | $1.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 51 | $1.00K | 0.00% | +51 | New |
| Daiwa Securities Group Inc. | 149 | $2.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 154 | $2.00K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 471 | $7.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 532 | $8.00K | 0.00% | +232+77.3% | Added |
| Lindbrook Capital, LLC | 600 | $9.00K | 0.00% | −74−11.0% | Reduced |
| HighMark Wealth Management LLC | 720 | $11.0K | 0.01% | 00.0% | Unchanged |
| Great West Life Assurance Co | 1,443 | $22.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,533 | $23.0K | 0.00% | −16,354−91.4% | Reduced |
| Nisa Investment Advisors, LLC | 1,700 | $26.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,305 | $34.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,645 | $40.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 2,811 | $43.0K | 0.00% | −2,984−51.5% | Reduced |
| Tower Research Capital LLC (TRC) | 4,184 | $63.0K | 0.00% | +1,304+45.3% | Added |
| Allspring Global Investments Holdings, LLC | 4,628 | $70.0K | 0.00% | −13,578−74.6% | Reduced |
| Royal Bank of Canada | 5,519 | $83.0K | 0.00% | −3,952−41.7% | Reduced |
| Lazard Asset Management LLC | 5,655 | $85.0K | 0.00% | +5,655 | New |
| Amalgamated Bank | 5,727 | $87.0K | 0.00% | +21+0.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,513 | $99.0K | 0.00% | +4,645+248.7% | Added |
| BNP Paribas Arbitrage, SA | 7,980 | $120.7K | 0.00% | +5,052+172.5% | Added |
| 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 |
| Mirae Asset Global Investments Co., Ltd. | 11,186 | $169.0K | 0.00% | +11,186 | New |
| DnB Asset Management AS | 13,399 | $202.7K | 0.00% | +13,399 | New |
| DekaBank Deutsche Girozentrale | 14,400 | $210.0K | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 14,122 | $214.0K | 0.00% | +14,122 | New |
| Price T Rowe Associates Inc | 14,423 | $218.0K | 0.00% | +258+1.8% | Added |
| Algert Global LLC | 14,564 | $220.0K | 0.02% | +4,050+38.5% | Added |
| State Board of Administration of Florida Retirement System | 15,096 | $228.0K | 0.00% | +3,940+35.3% | Added |
| Manufacturers Life Insurance Company, The | 15,075 | $228.1K | 0.00% | −240−1.6% | Reduced |
| UBS Asset Management Americas Inc | 15,600 | $236.0K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 17,184 | $260.0K | 0.00% | −166−1.0% | Reduced |
| SG Americas Securities, LLC | 18,217 | $276.0K | 0.00% | +18,217 | New |
| MetLife Investment Management | 20,683 | $312.9K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 20,924 | $317.0K | 0.00% | +1,659+8.6% | Added |
| Brandywine Global Investment Management, LLC | 21,300 | $322.0K | 0.00% | −3,100−12.7% | Reduced |
| Legal & General Group Plc | 21,468 | $325.0K | 0.00% | +11,469+114.7% | Added |
| Susquehanna International Group, LLP | 21,626 | $327.0K | 0.00% | −12,791−37.2% | Reduced |
| Cna Financial Corp | 23,910 | $362.0K | 0.13% | −1,540−6.1% | Reduced |
| New York State Common Retirement Fund | 24,554 | $372.0K | 0.00% | −25−0.1% | Reduced |
| UBS Group AG | 25,569 | $387.0K | 0.00% | −108,608−80.9% | Reduced |
| STRS Ohio | 26,600 | $402.0K | 0.00% | +1,500+6.0% | Added |
| Voya Investment Management LLC | 28,452 | $430.0K | 0.00% | +617+2.2% | Added |
| Ergoteles LLC | 28,697 | $434.0K | 0.01% | +5,634+24.4% | Added |
| HRT Financial LP | 31,678 | $479.0K | 0.01% | +31,678 | New |
| Allianz Asset Management GmbH | 32,085 | $485.0K | 0.00% | +3,350+11.7% | Added |
| JPMorgan Chase & Co | 32,664 | $494.0K | 0.00% | −9,658−22.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 36,054 | $545.0K | 0.00% | +9,611+36.3% | Added |
| D. E. Shaw & Co., Inc. | 41,387 | $626.0K | 0.00% | −97,270−70.2% | Reduced |
| Ensign Peak Advisors, Inc | 42,152 | $638.0K | 0.00% | +37,812+871.2% | Added |
| 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 |
| Rafferty Asset Management, LLC | 50,596 | $766.0K | 0.01% | −89,711−63.9% | Reduced |
| Citigroup Inc | 58,926 | $891.0K | 0.00% | +28,524+93.8% | Added |
| Bank of America Corp | 68,907 | $1.04M | 0.00% | −329,916−82.7% | Reduced |
| Ameriprise Financial Inc | 69,534 | $1.05M | 0.00% | +69,534 | New |
| Deutsche Bank AG | 70,336 | $1.06M | 0.00% | −234,706−76.9% | Reduced |
| Swiss National Bank | 77,100 | $1.17M | 0.00% | +15,100+24.4% | Added |
| Millennium Management LLC | 81,777 | $1.24M | 0.00% | +81,777 | New |
| Rice Hall James & Associates, LLC | 91,898 | $1.39M | 0.07% | +1,523+1.7% | Added |
| State of Wisconsin Investment Board | 99,094 | $1.50M | 0.00% | +6,994+7.6% | Added |
| Bank of New York Mellon Corp | 102,657 | $1.55M | 0.00% | −1,478−1.4% | Reduced |
| Ashford Capital Management Inc | 104,200 | $1.58M | 0.22% | −2,570−2.4% | Reduced |
| Nuveen Asset Management, LLC | 108,026 | $1.63M | 0.00% | +1,256+1.2% | Added |
| Invesco Ltd. | 115,302 | $1.75M | 0.00% | +100,158+661.4% | Added |
| Soleus Capital Management, L.P. | 136,182 | $2.06M | 0.33% | −102,800−43.0% | Reduced |
| Renaissance Technologies LLC | 149,800 | $2.27M | 0.00% | +58,800+64.6% | Added |
| Cormorant Asset Management, LP | 150,000 | $2.27M | 0.18% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 151,726 | $2.30M | 0.00% | +25,615+20.3% | Added |
| Candriam Luxembourg S.C.A. | 172,584 | $2.61M | 0.02% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Switzerland) SA | 180,933 | $2.74M | 0.23% | −40,841−18.4% | Reduced |
| Memorial Sloan Kettering Cancer Center | 191,176 | $2.89M | 9.56% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 212,018 | $3.21M | 0.10% | +212,018 | New |
| Dimensional Fund Advisors LP | 219,967 | $3.33M | 0.00% | +36,599+20.0% | Added |
| Charles Schwab Investment Management Inc | 247,608 | $3.75M | 0.00% | +13,852+5.9% | Added |
| Northern Trust Corp | 333,098 | $5.04M | 0.00% | +5,845+1.8% | Added |
| Morgan Stanley | 374,156 | $5.66M | 0.00% | −167,405−30.9% | Reduced |
| Artal Group S.A. | 400,000 | $6.05M | 0.34% | 00.0% | Unchanged |
| Walleye Capital LLC | 416,140 | $6.30M | 0.18% | +416,140 | New |
| MPM Oncology Impact Management LP | 443,702 | $6.71M | 1.86% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 626,168 | $9.47M | 0.00% | +42,639+7.3% | Added |
| State Street Corp | 1,743,142 | $26.4M | 0.00% | −565,640−24.5% | Reduced |
| Wellington Management Group LLP | 1,870,379 | $28.3M | 0.01% | −40,199−2.1% | Reduced |
| Vanguard Group Inc | 1,929,916 | $29.2M | 0.00% | +135,406+7.5% | Added |
| FMR LLC | 1,970,851 | $29.8M | 0.00% | +5830.0% | Added |
| Sofinnova Investments, Inc. | 2,194,278 | $33.2M | 2.95% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 2,815,865 | $42.6M | 0.02% | −153,294−5.2% | Reduced |
| Polar Capital Holdings Plc | 2,952,671 | $44.7M | 0.35% | +75,000+2.6% | Added |
| BlackRock Inc. | 2,976,221 | $45.0M | 0.00% | +31,127+1.1% | Added |
| 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 |