SEC 13F Intelligence

Y-MABS THERAPEUTICS INC COM

CUSIP 984241109

Y-Mabs Therapeutics Inc Com has 1 institutional holders in Filings Flow’s 13F database, together reporting 930 shares worth $4,194 as of Q1 2026. The largest reported holders are Paradigm Biocapital Advisors LP, Acorn Capital Advisors, LLC, and Blackrock, Inc..

Institutional Holders
1
Q1 2026
Reported Value
$4,194
Ticker
unmapped
private placement or foreign
Quarters Tracked
28

Ownership Trend

Institutional holders
Q1 ’19: 30Q1 ’19Q2 ’19: 43Q3 ’19: 48Q4 ’19: 66Q1 ’20: 64Q1 ’20Q2 ’20: 91Q3 ’20: 90Q4 ’20: 97Q1 ’21: 102Q1 ’21Q2 ’21: 88Q3 ’21: 83Q4 ’21: 82Q1 ’22: 74Q1 ’22Q2 ’22: 78Q3 ’22: 86Q4 ’22: 80Q1 ’23: 73Q1 ’23Q2 ’23: 83Q3 ’23: 87Q4 ’23: 83Q1 ’24: 86Q1 ’24Q2 ’24: 88Q3 ’24: 97Q4 ’24: 105Q1 ’25: 98Q1 ’25Q2 ’25: 97Q3 ’25: 2Q1 ’26: 1filingsflow.com
Total reported value
Q1 ’19: $133MQ1 ’19Q2 ’19: $143MQ3 ’19: $185MQ4 ’19: $348MQ1 ’20: $301MQ1 ’20Q2 ’20: $530MQ3 ’20: $459MQ4 ’20: $639MQ1 ’21: $448MQ1 ’21Q2 ’21: $448MQ3 ’21: $380MQ4 ’21: $211MQ1 ’22: $154MQ1 ’22Q2 ’22: $202MQ3 ’22: $183MQ4 ’22: $63MQ1 ’23: $65MQ1 ’23Q2 ’23: $90MQ3 ’23: $73MQ4 ’23: $110MQ1 ’24: $318MQ1 ’24Q2 ’24: $255MQ3 ’24: $263MQ4 ’24: $179MQ1 ’25: $109MQ1 ’25Q2 ’25: $126MQ3 ’25: $78,346Q1 ’26: $4,194filingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
Paradigm Biocapital Advisors LP$4.9B AUM0.82%$19M4.24MQ2 2025OLDER
ACORN CAPITAL ADVISORS, LLC$352M AUM10.09%$15M3.42MQ2 2025OLDER
BlackRock, Inc.$5.72T AUM0.00%$12M2.75MQ2 2025OLDER
Caligan Partners LP$1.5B AUM2.03%$11M2.34MQ2 2025OLDER
Sofinnova Investments, Inc.$2.6B AUM0.61%$10M2.19MQ2 2025OLDER
VANGUARD GROUP INC$6.90T AUM0.00%$9M1.94MQ2 2025OLDER
Polar Capital Holdings Plc$28.2B AUM0.04%$8M1.79MQ2 2025OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$4M848.5KQ2 2025OLDER
STATE STREET CORP$2.90T AUM0.00%$4M780.1KQ2 2025OLDER
BOOTHBAY FUND MANAGEMENT, LLC$7.7B AUM0.06%$3M693.7KQ2 2025OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.00%$2M516.9KQ2 2025OLDER
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.00%$2M412.2KQ2 2025OLDER
Nantahala Capital Management, LLC$2.7B AUM0.06%$2M351.9KQ2 2025OLDER
Soleus Capital Management, L.P.$2.5B AUM0.10%$2M350.0KQ2 2025OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$1M308.1KQ2 2025OLDER
MORGAN STANLEY$1.66T AUM0.00%$1M292.6KQ2 2025OLDER
Stonepine Capital Management, LLC$250M AUM1.26%$1M285.3KQ2 2025OLDER
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM0.00%$1M278.2KQ2 2025OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$1M274.2KQ2 2025OLDER
AQR CAPITAL MANAGEMENT LLC$218.4B AUM0.00%$1M252.1KQ2 2025OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$1M231.6KQ2 2025OLDER
UBS Group AG$666.3B AUM0.00%$1M229.1KQ2 2025OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$959,507212.8KQ2 2025OLDER
GSA CAPITAL PARTNERS LLP$1.6B AUM0.06%$839,000186.1KQ2 2025OLDER
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$740,091164.1KQ2 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$739,889164.1KQ2 2025OLDER
INFINITUM ASSET MANAGEMENT, LLC$801M AUM0.16%$701,436155.5KQ2 2025OLDER
JACOBS LEVY EQUITY MANAGEMENT, INC$23.8B AUM0.00%$643,311142.6KQ2 2025OLDER
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$631,197140.0KQ2 2025OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$565,094125.3KQ2 2025OLDER
FEDERATED HERMES, INC.$61.5B AUM0.00%$538,607119.4KQ2 2025OLDER
TWO SIGMA ADVISERS, LP$0 AUM0.00%$521,807115.7KQ2 2025OLDER
RICE HALL JAMES & ASSOCIATES, LLC$1.8B AUM0.03%$494,314109.6KQ2 2025OLDER
Bank of New York Mellon Corp$543.9B AUM0.00%$448,07899.4KQ2 2025OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$425,66794.4KQ2 2025OLDER
Nuveen, LLC$369.3B AUM0.00%$421,31593.4KQ2 2025OLDER
XTX Topco Ltd$5.8B AUM0.02%$389,84486.4KQ2 2025OLDER
BARCLAYS PLC$416.3B AUM0.00%$328,51872.8KQ2 2025OLDER
Cubist Systematic Strategies, LLC$21.0B AUM0.00%$315,28569.9KQ2 2025OLDER
RHUMBLINE ADVISERS$116.9B AUM0.00%$308,46968.4KQ2 2025OLDER
STRS OHIO$25.2B AUM0.00%$281,42462.4KQ2 2025OLDER
Jump Financial, LLC$7.5B AUM0.00%$277,36561.5KQ2 2025OLDER
JANE STREET GROUP, LLC$777.2B AUM0.00%$274,53760.9KQ2 2025OLDER
ALLIANCEBERNSTEIN L.P.$308.8B AUM0.00%$267,80459.4KQ2 2025OLDER
BRIDGEWAY CAPITAL MANAGEMENT, LLC$5.0B AUM0.01%$251,20755.7KQ2 2025OLDER
STATE OF WISCONSIN INVESTMENT BOARD$43.7B AUM0.00%$231,52551.3KQ2 2025OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$230,41651.1KQ2 2025OLDER
SAPIENT CAPITAL LLC$7.6B AUM0.00%$197,08743.7KQ2 2025OLDER
Invesco Ltd.$653.3B AUM0.00%$193,17742.8KQ2 2025OLDER
MARSHALL WACE, LLP$100.4B AUM0.00%$181,21640.2KQ2 2025OLDER
AlphaQuest LLC$0 AUM0.02%$175,55238.9KQ2 2025OLDER
FMR LLC$1.90T AUM0.00%$139,21630.9KQ2 2025OLDER
DEUTSCHE BANK AG\$302.7B AUM0.00%$129,90128.8KQ2 2025OLDER
ALPS ADVISORS INC$21.3B AUM0.00%$110,17524.4KQ2 2025OLDER
MetLife Investment Management, LLC$19.6B AUM0.00%$98,89621.9KQ2 2025OLDER
INTECH INVESTMENT MANAGEMENT LLC$10.2B AUM0.00%$97,75021.7KQ2 2025OLDER
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$73.7B AUM0.00%$95,54421.2KQ2 2025OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$85,85719.0KQ2 2025OLDER
PRICE T ROWE ASSOCIATES INC /MD/$864.9B AUM0.00%$78,00017.2KQ2 2025OLDER
Brooklyn Investment Group$3.2B AUM0.01%$75,48716.1KQ3 2025OLDER
CITIGROUP INC$234.5B AUM0.00%$68,77715.3KQ2 2025OLDER
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM$53.4B AUM0.00%$65,82814.6KQ2 2025OLDER
MANUFACTURERS LIFE INSURANCE COMPANY, THE$116.3B AUM0.00%$59,27513.1KQ2 2025OLDER
Squarepoint Ops LLC$85.1B AUM0.00%$55,17112.2KQ2 2025OLDER
Point72 Asia (Singapore) Pte. Ltd.$646M AUM0.01%$54,89112.2KQ2 2025OLDER
HSBC HOLDINGS PLC$191.6B AUM0.00%$54,84011.9KQ2 2025OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$51,83811.5KQ2 2025OLDER
VOYA INVESTMENT MANAGEMENT LLC$96.1B AUM0.00%$48,44610.7KQ2 2025OLDER
LOS ANGELES CAPITAL MANAGEMENT LLC$25.4B AUM0.00%$46,38110.3KQ2 2025OLDER
NEW YORK STATE COMMON RETIREMENT FUND$71.6B AUM0.00%$45,59610.1KQ2 2025OLDER
China Universal Asset Management Co., Ltd.$1.3B AUM0.00%$41,0279.1KQ2 2025OLDER
RAYMOND JAMES FINANCIAL INC$324.4B AUM0.00%$34,7327.7KQ2 2025OLDER
Police & Firemen's Retirement System of New Jersey$11.7B AUM0.00%$33,0457.3KQ2 2025OLDER
CWM, LLC$38.1B AUM0.00%$32,0007.1KQ2 2025OLDER
Legal & General Group Plc$432.4B AUM0.00%$18,6314.1KQ2 2025OLDER
Ameritas Investment Partners, Inc.$3.3B AUM0.00%$16,6923.7KQ2 2025OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$14,0003.2KQ2 2025OLDER
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$94.5B AUM0.00%$12,0192.7KQ2 2025OLDER
Mirae Asset Global Investments Co., Ltd.$299.3B AUM0.00%$7,8931.8KQ2 2025OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$5,7051.3KQ2 2025OLDER
GF FUND MANAGEMENT CO. LTD.$6.0B AUM0.00%$5,0111.1KQ2 2025OLDER
AMALGAMATED BANK$13.1B AUM0.00%$5,0001.2KQ2 2025OLDER
Essential Partners LLC$250M AUM0.00%$4,194930Q1 2026
IFP Advisors, Inc$4.8B AUM0.00%$2,859332Q3 2025OLDER
Point72 (DIFC) Ltd$1.5B AUM0.00%$1,294287Q2 2025OLDER
Daiwa Securities Group Inc.$34.8B AUM0.00%$1,000162Q2 2025OLDER
Allworth Financial LP$24.7B AUM0.00%$907201Q2 2025OLDER
PNC FINANCIAL SERVICES GROUP, INC.$173.2B AUM0.00%$582129Q2 2025OLDER
Rialto Wealth Management, LLC$445M AUM0.00%$551122Q2 2025OLDER
NISA INVESTMENT ADVISORS, LLC$27.0B AUM0.00%$469104Q2 2025OLDER
Sterling Capital Management LLC$5.3B AUM0.00%$39287Q2 2025OLDER
ROTHSCHILD INVESTMENT LLC$1.9B AUM0.00%$22650Q2 2025OLDER
True Wealth Design, LLC$360M AUM0.00%$13129Q2 2025OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$7216Q2 2025OLDER
Clearstead Advisors, LLC$10.9B AUM0.00%$419Q2 2025OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$184Q2 2025OLDER
Farther Finance Advisors, LLC$10.6B AUM0.00%$51Q2 2025OLDER
CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM$00Q2 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.