Y-mAbs Therapeutics, Inc. - 984241109

Detailed investor-level table based on 13F positions.
Early Q3 2025 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q2 2025 · Compare: Q1 2025
13D/13G major owners: Ownership tab.
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
Paradigm Biocapital Advisors LP History No change 4,236,346 19,105 0.82% 0.86% 1 0 0.0% Q2 2025 Aug 14, 2025
ACORN CAPITAL ADVISORS, LLC History New 3,418,995 15,419 10.08% 2 +3,418,995 New Q2 2025 Aug 14, 2025
BlackRock, Inc. History Reduced 2,748,077 12,393 0.0% 0.0% 3 -153,948 -5.3% Q2 2025 Aug 12, 2025
Caligan Partners LP History New 2,342,609 10,565 2.03% 4 +2,342,609 New Q2 2025 Aug 14, 2025
Sofinnova Investments, Inc. History New 2,194,278 9,896 0.61% 5 +2,194,278 New Q2 2025 Aug 14, 2025
VANGUARD GROUP INC History Reduced 1,943,285 8,764 0.0% 0.0% 6 -3,224 -0.17% Q2 2025 Aug 11, 2025
GEODE CAPITAL MANAGEMENT, LLC History Reduced 848,461 3,827 0.0% 0.0% 7 -1,039 -0.12% Q2 2025 Aug 08, 2025
STATE STREET CORP History Reduced 780,145 3,518 0.0% 0.0% 8 -8,876 -1.12% Q2 2025 Aug 14, 2025
BOOTHBAY FUND MANAGEMENT, LLC History No change 693,693 3,128 0.06% 0.08% 9 0 0.0% Q2 2025 Aug 14, 2025
D. E. Shaw & Co., Inc. History Reduced 516,857 2,331 0.0% 0.0% 10 -32,809 -5.97% Q2 2025 Aug 14, 2025
DIMENSIONAL FUND ADVISORS LP History Reduced 412,246 1,859 0.0% 0.0% 11 -6,308 -1.51% Q2 2025 Aug 12, 2025
Nantahala Capital Management, LLC History New 351,878 1,586 0.06% 12 +351,878 New Q2 2025 Aug 14, 2025
Soleus Capital Management, L.P. History New 349,982 1,578 0.1% 13 +349,982 New Q2 2025 Aug 15, 2025
NORTHERN TRUST CORP History Reduced 308,130 1,389 0.0% 0.0% 14 -19,771 -6.03% Q2 2025 Aug 13, 2025
MORGAN STANLEY History Reduced 292,567 1,319 0.0% 0.0% 15 -207,594 -41.51% Q2 2025 Aug 14, 2025
Stonepine Capital Management, LLC History New 285,300 1,286 1.26% 16 +285,300 New Q2 2025 Aug 13, 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 278,179 1,254 0.0% 0.0% 17 +569 0.2% Q2 2025 Aug 12, 2025
BANK OF AMERICA CORP /DE/ History Reduced 274,164 1,236 0.0% 0.0% 18 -8,154 -2.89% Q2 2025 Aug 14, 2025
AQR CAPITAL MANAGEMENT LLC History Added to 252,142 1,137 0.0% 0.0% 19 +87,354 53.01% Q2 2025 Aug 14, 2025
CITADEL ADVISORS LLC History Added to 231,642 1,044 0.0% 0.0% 20 +37,187 19.12% Q2 2025 Aug 14, 2025
UBS Group AG History Added to 229,072 1,033 0.0% 0.0% 21 +137,496 150.14% Q2 2025 Aug 14, 2025
GOLDMAN SACHS GROUP INC History Added to 212,751 959 0.0% 0.0% 22 +10,975 5.44% Q2 2025 Aug 14, 2025
GSA CAPITAL PARTNERS LLP History New 186,062 839 0.06% 23 +186,062 New Q2 2025 Jul 22, 2025
RENAISSANCE TECHNOLOGIES LLC History Reduced 164,100 740 0.0% 0.0% 24 -92,606 -36.07% Q2 2025 Aug 13, 2025
JPMORGAN CHASE & CO History Reduced 164,055 739 0.0% 0.0% 25 -83,387 -33.7% Q2 2025 Aug 12, 2025
INFINITUM ASSET MANAGEMENT, LLC History New 155,529 701 0.16% 26 +155,529 New Q2 2025 Aug 14, 2025
JACOBS LEVY EQUITY MANAGEMENT, INC History Reduced 142,641 643 0.0% 0.0% 27 -94,870 -39.94% Q2 2025 Aug 14, 2025
MILLENNIUM MANAGEMENT LLC History Reduced 139,955 631 0.0% 0.0% 28 -326,665 -70.01% Q2 2025 Aug 14, 2025
TWO SIGMA INVESTMENTS, LP History Reduced 125,298 565 0.0% 0.0% 29 -29,487 -19.05% Q2 2025 Aug 14, 2025
FEDERATED HERMES, INC. History Reduced 119,425 538 0.0% 0.0% 30 -34,028 -22.17% Q2 2025 Aug 13, 2025
TWO SIGMA ADVISERS, LP History Reduced 115,700 521 0.0% 0.0% 31 -27,600 -19.26% Q2 2025 Aug 14, 2025
RICE HALL JAMES & ASSOCIATES, LLC History New 109,604 494 0.03% 32 +109,604 New Q2 2025 Aug 11, 2025
Bank of New York Mellon Corp History Added to 99,352 448 0.0% 0.0% 33 +6,878 7.44% Q2 2025 Aug 05, 2025
BNP PARIBAS FINANCIAL MARKETS History Reduced 94,383 425 0.0% 0.0% 34 -1,119 -1.17% Q2 2025 Aug 14, 2025
Nuveen, LLC History Reduced 93,418 421 0.0% 0.0% 35 -19,065 -16.95% Q2 2025 Aug 12, 2025
XTX Topco Ltd History Reduced 86,440 389 0.02% 0.02% 36 -5,014 -5.48% Q2 2025 Aug 12, 2025
BARCLAYS PLC History Added to 72,842 328 0.0% 0.0% 37 +26,084 55.79% Q2 2025 Feb 27, 2026
RHUMBLINE ADVISERS History Added to 68,399 308 0.0% 0.0% 38 +14,490 26.88% Q2 2025 Aug 12, 2025
STRS OHIO History Added to 62,400 281 0.0% 0.0% 39 +19,000 43.78% Q2 2025 Aug 04, 2025
Jump Financial, LLC History Added to 61,500 277 0.0% 0.0% 40 +23,421 61.51% Q2 2025 Aug 13, 2025
JANE STREET GROUP, LLC History New 60,873 274 0.0% 41 +60,873 New Q2 2025 Aug 14, 2025
ALLIANCEBERNSTEIN L.P. History Added to 59,380 267 0.0% 0.0% 42 +4,600 8.4% Q2 2025 Aug 14, 2025
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 55,700 251 0.01% 0.0% 43 +30,800 123.69% Q2 2025 Aug 14, 2025
STATE OF WISCONSIN INVESTMENT BOARD History New 51,336 231 0.0% 44 +51,336 New Q2 2025 Aug 14, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 51,090 230 0.0% 0.0% 45 -9,570 -15.78% Q2 2025 Aug 14, 2025
SAPIENT CAPITAL LLC History No change 43,700 197 0.0% 0.0% 46 0 0.0% Q2 2025 Jul 09, 2025
Invesco Ltd. History Added to 42,833 193 0.0% 0.0% 47 +10,286 31.6% Q2 2025 Aug 13, 2025
MARSHALL WACE, LLP History New 40,181 181 0.0% 48 +40,181 New Q2 2025 Aug 13, 2025
AlphaQuest LLC History New 38,925 175 0.02% 49 +38,925 New Q2 2025 Jul 31, 2025
FMR LLC History Added to 30,868 139 0.0% 0.0% 50 +1,607 5.49% Q2 2025 Aug 14, 2025
DEUTSCHE BANK AG\ History No change 28,803 129 0.0% 0.0% 51 0 0.0% Q2 2025 Aug 12, 2025
ALPS ADVISORS INC History Reduced 24,429 110 0.0% 0.0% 52 -8,880 -26.66% Q2 2025 Aug 11, 2025
MetLife Investment Management, LLC History Added to 21,928 98 0.0% 0.0% 53 +4,852 28.41% Q2 2025 Aug 13, 2025
INTECH INVESTMENT MANAGEMENT LLC History Reduced 21,674 97 0.0% 0.0% 54 -5,021 -18.81% Q2 2025 Aug 08, 2025
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Reduced 21,185 95 0.0% 0.0% 55 -936 -4.23% Q2 2025 Aug 14, 2025
WELLS FARGO & COMPANY/MN History Added to 19,037 85 0.0% 0.0% 56 +1,185 6.64% Q2 2025 Aug 14, 2025
PRICE T ROWE ASSOCIATES INC /MD/ History New 17,211 78 0.0% 57 +17,211 New Q2 2025 Aug 14, 2025
CITIGROUP INC History Reduced 15,250 68 0.0% 0.0% 58 -13,268 -46.53% Q2 2025 Aug 11, 2025
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM History No change 14,596 65 0.0% 0.0% 59 0 0.0% Q2 2025 Aug 13, 2025
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Reduced 13,143 59 0.0% 0.0% 60 -796 -5.71% Q2 2025 Aug 14, 2025
Squarepoint Ops LLC History Reduced 12,233 55 0.0% 0.0% 61 -116,294 -90.48% Q2 2025 Aug 27, 2025
HSBC HOLDINGS PLC History New 11,948 54 0.0% 62 +11,948 New Q2 2025 Aug 13, 2025
Tower Research Capital LLC (TRC) History Added to 11,494 51 0.0% 0.0% 63 +6,474 128.96% Q2 2025 Aug 15, 2025
VOYA INVESTMENT MANAGEMENT LLC History Added to 10,742 48 0.0% 0.0% 64 +531 5.2% Q2 2025 Aug 14, 2025
LOS ANGELES CAPITAL MANAGEMENT LLC History New 10,284 46 0.0% 65 +10,284 New Q2 2025 Aug 07, 2025
NEW YORK STATE COMMON RETIREMENT FUND History No change 10,110 45 0.0% 0.0% 66 0 0.0% Q2 2025 Oct 08, 2025
China Universal Asset Management Co., Ltd. History New 9,097 41 0.0% 67 +9,097 New Q2 2025 Aug 28, 2025
RAYMOND JAMES FINANCIAL INC History New 7,701 34 0.0% 68 +7,701 New Q2 2025 Aug 14, 2025
Police & Firemen's Retirement System of New Jersey History No change 7,327 33 0.0% 0.0% 69 0 0.0% Q2 2025 Aug 08, 2025
CWM, LLC History New 7,121 32 0.0% 70 +7,121 New Q2 2025 Jul 25, 2025
Brooklyn Investment Group History New 4,951 22 0.0% 71 +4,951 New Q2 2025 Aug 14, 2025
Legal & General Group Plc History Reduced 4,131 18 0.0% 0.0% 72 -4,444 -51.83% Q2 2025 Aug 12, 2025
Ameritas Investment Partners, Inc. History New 3,701 16 0.0% 73 +3,701 New Q2 2025 Aug 12, 2025
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 2,665 12 0.0% 0.0% 74 0 0.0% Q2 2025 Aug 14, 2025
Mirae Asset Global Investments Co., Ltd. History Added to 1,750 7 0.0% 0.0% 76 +245 16.28% Q2 2025 Jul 21, 2025
ROYAL BANK OF CANADA History Reduced 1,612 7 0.0% 0.0% 75 -98 -5.73% Q2 2025 Nov 21, 2025
EverSource Wealth Advisors, LLC History New 1,265 5 0.0% 78 +1,265 New Q2 2025 Aug 13, 2025
AMALGAMATED BANK History New 1,217 5 0.0% 77 +1,217 New Q2 2025 Aug 04, 2025
GF FUND MANAGEMENT CO. LTD. History No change 1,111 5 0.0% 0.0% 79 0 0.0% Q2 2025 Jul 22, 2025
IFP Advisors, Inc History New 334 1 0.0% 81 +334 New Q2 2025 Jul 24, 2025
Daiwa Securities Group Inc. History New 162 1 0.0% 80 +162 New Q2 2025 Aug 14, 2025
Polar Capital Holdings Plc History Closed out 0 0 0.05% -1,831,000 -100.0% Q1 2025 May 15, 2025
Pictet Asset Management Holding SA History Closed out 0 0 0.0% -441,934 -100.0% Q1 2025 May 05, 2025
WELLINGTON MANAGEMENT GROUP LLP History Closed out 0 0 0.0% -204,052 -100.0% Q1 2025 May 13, 2025
WESBANCO BANK INC History Closed out 0 0 0.01% -55,000 -100.0% Q1 2025 Apr 14, 2025
EXCHANGE TRADED CONCEPTS, LLC History Closed out 0 0 0.0% -26,762 -100.0% Q1 2025 Apr 17, 2025
Man Group plc History Closed out 0 0 0.0% -26,004 -100.0% Q1 2025 May 15, 2025
PRINCIPAL FINANCIAL GROUP INC History Closed out 0 0 0.0% -22,434 -100.0% Q1 2025 Apr 28, 2025
Connor, Clark & Lunn Investment Management Ltd. History Closed out 0 0 0.0% -11,084 -100.0% Q1 2025 May 12, 2025
LAZARD ASSET MANAGEMENT LLC History Closed out 0 0 0.0% -4,812 -100.0% Q1 2025 May 15, 2025
Farther Finance Advisors, LLC History Reduced 1 0 0.0% -1,997 -99.95% Q2 2025 Jul 11, 2025
SIMPLEX TRADING, LLC History Closed out 0 0 0.0% -437 -100.0% Q1 2025 May 12, 2025
Allworth Financial LP History New 201 0 +201 New Q2 2025 Aug 07, 2025
NISA INVESTMENT ADVISORS, LLC History Reduced 104 0 0.0% -155 -59.85% Q2 2025 Jul 31, 2025
PNC FINANCIAL SERVICES GROUP, INC. History New 129 0 +129 New Q2 2025 Aug 08, 2025
Rialto Wealth Management, LLC History New 122 0 +122 New Q2 2025 Aug 06, 2025
ROTHSCHILD INVESTMENT LLC History New 50 0 +50 New Q2 2025 Aug 11, 2025
Sterling Capital Management LLC History Added to 87 0 +49 128.95% Q2 2025 Aug 08, 2025
True Wealth Design, LLC History New 29 0 +29 New Q2 2025 Aug 06, 2025
Clearstead Advisors, LLC History New 9 0 +9 New Q2 2025 Aug 08, 2025
OSAIC HOLDINGS, INC. History New 4 0 +4 New Q2 2025 Sep 04, 2025
SBI Securities Co., Ltd. History No change 16 0 0 0.0% Q2 2025 Aug 08, 2025