Y-mAbs Therapeutics, Inc. - 984241109
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JACOBS LEVY EQUITY MANAGEMENT, INC | History | No change | 142,641 | 643 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| Brooklyn Investment Group | History | Added to | 16,061 | 75 | 0.01% | 0.0% | 2 | +11,110 | 224.4% | Q3 2025 | Nov 14, 2025 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | No change | 13,143 | 59 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| ROYAL BANK OF CANADA | History | No change | 1,612 | 7 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| IFP Advisors, Inc | History | Reduced | 332 | 2 | 0.0% | 0.0% | 5 | -2 | -0.6% | Q3 2025 | Feb 06, 2026 |
| Paradigm Biocapital Advisors LP | History | Closed out | 0 | 0 | — | 0.82% | — | -4,236,346 | -100.0% | Q3 2025 | Nov 14, 2025 |
| ACORN CAPITAL ADVISORS, LLC | History | Closed out | 0 | 0 | — | 10.08% | — | -3,418,995 | -100.0% | Q3 2025 | Nov 17, 2025 |
| BlackRock, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -2,748,077 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Caligan Partners LP | History | Closed out | 0 | 0 | — | 2.03% | — | -2,342,609 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Sofinnova Investments, Inc. | History | Closed out | 0 | 0 | — | 0.61% | — | -2,194,278 | -100.0% | Q3 2025 | Nov 14, 2025 |
| VANGUARD GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,943,285 | -100.0% | Q3 2025 | Nov 07, 2025 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -848,461 | -100.0% | Q3 2025 | Nov 12, 2025 |
| STATE STREET CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -780,145 | -100.0% | Q3 2025 | Nov 14, 2025 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.06% | — | -693,693 | -100.0% | Q3 2025 | Nov 14, 2025 |
| D. E. Shaw & Co., Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -516,857 | -100.0% | Q3 2025 | Nov 14, 2025 |
| DIMENSIONAL FUND ADVISORS LP | History | Closed out | 0 | 0 | — | 0.0% | — | -412,246 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Nantahala Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.06% | — | -351,878 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Soleus Capital Management, L.P. | History | Closed out | 0 | 0 | — | 0.1% | — | -349,982 | -100.0% | Q3 2025 | Nov 14, 2025 |
| NORTHERN TRUST CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -308,130 | -100.0% | Q3 2025 | Nov 14, 2025 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -292,567 | -100.0% | Q3 2025 | May 27, 2026 |
| Stonepine Capital Management, LLC | History | Closed out | 0 | 0 | — | 1.26% | — | -285,300 | -100.0% | Q3 2025 | Nov 13, 2025 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -278,179 | -100.0% | Q3 2025 | Nov 10, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -274,164 | -100.0% | Q3 2025 | Feb 03, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -252,142 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CITADEL ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -231,642 | -100.0% | Q3 2025 | Nov 14, 2025 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -229,072 | -100.0% | Q3 2025 | Nov 13, 2025 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -212,751 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.06% | — | -186,062 | -100.0% | Q3 2025 | Nov 07, 2025 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -164,100 | -100.0% | Q3 2025 | Nov 13, 2025 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -164,055 | -100.0% | Q3 2025 | Nov 07, 2025 |
| INFINITUM ASSET MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.16% | — | -155,529 | -100.0% | Q3 2025 | Nov 14, 2025 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -139,955 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -125,298 | -100.0% | Q3 2025 | Nov 14, 2025 |
| FEDERATED HERMES, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -119,425 | -100.0% | Q3 2025 | Nov 03, 2025 |
| TWO SIGMA ADVISERS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -115,700 | -100.0% | Q3 2025 | Nov 14, 2025 |
| RICE HALL JAMES & ASSOCIATES, LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -109,604 | -100.0% | Q3 2025 | Oct 16, 2025 |
| Bank of New York Mellon Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -99,352 | -100.0% | Q3 2025 | Nov 03, 2025 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | 0.0% | — | -94,383 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Nuveen, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -93,418 | -100.0% | Q3 2025 | Nov 12, 2025 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.02% | — | -86,440 | -100.0% | Q3 2025 | Nov 14, 2025 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | 0.0% | — | -72,842 | -100.0% | Q3 2025 | Mar 31, 2026 |
| RHUMBLINE ADVISERS | History | Closed out | 0 | 0 | — | 0.0% | — | -68,399 | -100.0% | Q3 2025 | Nov 06, 2025 |
| STRS OHIO | History | Closed out | 0 | 0 | — | 0.0% | — | -62,400 | -100.0% | Q3 2025 | Oct 30, 2025 |
| Jump Financial, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -61,500 | -100.0% | Q3 2025 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -60,873 | -100.0% | Q3 2025 | Nov 14, 2025 |
| ALLIANCEBERNSTEIN L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -59,380 | -100.0% | Q3 2025 | Nov 14, 2025 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -55,700 | -100.0% | Q3 2025 | Nov 14, 2025 |
| STATE OF WISCONSIN INVESTMENT BOARD | History | Closed out | 0 | 0 | — | 0.0% | — | -51,336 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -51,090 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SAPIENT CAPITAL LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -43,700 | -100.0% | Q3 2025 | Oct 17, 2025 |
| Invesco Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -42,833 | -100.0% | Q3 2025 | Nov 13, 2025 |
| MARSHALL WACE, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -40,181 | -100.0% | Q3 2025 | Nov 13, 2025 |
| AlphaQuest LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -38,925 | -100.0% | Q3 2025 | Nov 03, 2025 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -30,868 | -100.0% | Q3 2025 | Nov 13, 2025 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | 0.0% | — | -28,803 | -100.0% | Q3 2025 | Nov 13, 2025 |
| ALPS ADVISORS INC | History | Closed out | 0 | 0 | — | 0.0% | — | -24,429 | -100.0% | Q3 2025 | Nov 05, 2025 |
| MetLife Investment Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -21,928 | -100.0% | Q3 2025 | Nov 13, 2025 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -21,674 | -100.0% | Q3 2025 | Nov 12, 2025 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -21,185 | -100.0% | Q3 2025 | Nov 14, 2025 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | 0.0% | — | -19,037 | -100.0% | Q3 2025 | Nov 13, 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Closed out | 0 | 0 | — | 0.0% | — | -17,211 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,250 | -100.0% | Q3 2025 | Nov 10, 2025 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | History | Closed out | 0 | 0 | — | 0.0% | — | -14,596 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Squarepoint Ops LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -12,233 | -100.0% | Q3 2025 | Nov 14, 2025 |
| HSBC HOLDINGS PLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,948 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -11,494 | -100.0% | Q3 2025 | Nov 14, 2025 |
| VOYA INVESTMENT MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,742 | -100.0% | Q3 2025 | Oct 09, 2025 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,284 | -100.0% | Q3 2025 | Oct 20, 2025 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | Closed out | 0 | 0 | — | 0.0% | — | -10,110 | -100.0% | Q3 2025 | Nov 03, 2025 |
| China Universal Asset Management Co., Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -9,097 | -100.0% | Q3 2025 | Nov 10, 2025 |
| RAYMOND JAMES FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -7,701 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Police & Firemen's Retirement System of New Jersey | History | Closed out | 0 | 0 | — | 0.0% | — | -7,327 | -100.0% | Q3 2025 | Nov 12, 2025 |
| CWM, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -7,121 | -100.0% | Q3 2025 | Oct 15, 2025 |
| Legal & General Group Plc | History | Closed out | 0 | 0 | — | 0.0% | — | -4,131 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Ameritas Investment Partners, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -3,701 | -100.0% | Q3 2025 | Nov 10, 2025 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Closed out | 0 | 0 | — | 0.0% | — | -2,665 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Mirae Asset Global Investments Co., Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -1,750 | -100.0% | Q3 2025 | Nov 03, 2025 |
| EverSource Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,265 | -100.0% | Q3 2025 | Nov 10, 2025 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -1,217 | -100.0% | Q3 2025 | Oct 29, 2025 |
| GF FUND MANAGEMENT CO. LTD. | History | Closed out | 0 | 0 | — | 0.0% | — | -1,111 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Essential Partners LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -930 | -100.0% | Q3 2025 | May 21, 2026 |
| Daiwa Securities Group Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -162 | -100.0% | Q3 2025 | Nov 14, 2025 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Closed out | 0 | 0 | — | — | — | -129 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Rialto Wealth Management, LLC | History | Closed out | 0 | 0 | — | — | — | -122 | -100.0% | Q3 2025 | Nov 07, 2025 |
| NISA INVESTMENT ADVISORS, LLC | History | Closed out | 0 | 0 | — | — | — | -104 | -100.0% | Q3 2025 | Oct 23, 2025 |
| Sterling Capital Management LLC | History | Closed out | 0 | 0 | — | — | — | -87 | -100.0% | Q3 2025 | Nov 12, 2025 |
| ROTHSCHILD INVESTMENT LLC | History | Closed out | 0 | 0 | — | — | — | -50 | -100.0% | Q3 2025 | Nov 07, 2025 |
| True Wealth Design, LLC | History | Closed out | 0 | 0 | — | — | — | -29 | -100.0% | Q3 2025 | Oct 21, 2025 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -16 | -100.0% | Q3 2025 | Nov 05, 2025 |
| Clearstead Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -9 | -100.0% | Q3 2025 | Nov 10, 2025 |
| OSAIC HOLDINGS, INC. | History | Closed out | 0 | 0 | — | — | — | -4 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Farther Finance Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q3 2025 | Oct 14, 2025 |
| Allworth Financial LP | History | No change | 201 | 0 | — | — | — | 0 | 0.0% | Q2 2025 | Aug 07, 2025 |