Y-Mabs TherapeuticsYMAB

13F holders, Q2 2024 (June 30)
96holders
15new positions
16sold out
6famous investors
$12.08avg. 13F price*

At the end of Q2 2024, 96 institutions reported holding Y-Mabs Therapeutics Inc. (YMAB) in their 13F filings, unchanged from Q1 2024. 15 opened new positions and 16 sold out. The largest holders were Paradigm Biocapital Advisors LP ($46.8M), BlackRock Inc. ($35.5M) and Sofinnova Investments, Inc. ($26.5M). 6 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Y-Mabs Therapeutics Inc.
CUSIP
984241109
Latest filing quarter
Q3 2025

History

Number of 13F holders

050100150 Q1 2024: 96Q1 2024Q2 2024: 96Q2 2024Q3 2024: 105Q3 2024Q4 2024: 112Q4 2024Q1 2025: 102Q1 2025Q2 2025: 97Q2 2025Q3 2025: 2Q3 2025

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions15$21.1M
Exits16$5.6M

All 13F filers, Q1 2024 → Q2 2024: 4,209,857 shares bought and 2,871,058 shares sold, net +1,338,799 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 96 holders

Paradigm Biocapital Advisors LP 1.79% Add +73.3% 3,870,594 $46.8M
BlackRock Inc. 0.00% Add +2.9% 2,938,718 $35.5M
Sofinnova Investments, Inc. 1.67% No change 2,194,278 $26.5M
Vanguard Group Inc. 0.00% Reduce -5.4% 1,957,339 $23.6M
Polar Capital Holdings Plc 0.13% No change 1,831,000 $22.1M
Cormorant Asset Management, LP 1.02% New 1,450,000 $17.5M
D. E. Shaw & Co. 0.02% Reduce -13.3% 926,457 $11.2M
State Street Corp. 0.00% Add +7.1% 804,612 $9.7M
Geode Capital Management, LLC 0.00% Add +3.1% 765,643 $9.3M
Pictet Asset Management Holding SA 0.01% Reduce -11.6% 659,672 $8.0M
Soleus Capital Management, L.P. 0.69% Add +13.5% 647,982 $7.8M
Caligan Partners LP 1.64% Reduce -0.9% 582,078 $7.0M
Dimensional Fund Advisors LP 0.00% Add +15.7% 484,431 $5.9M
Boothbay Fund Management, LLC 0.15% Add +6.6% 369,360 $4.5M
Point72 Asset Management 0.01% Reduce -76.5% 358,945 $4.3M
Millennium Management 0.00% Add +23.8% 349,784 $4.2M
Acadian Asset Management LLC 0.01% Reduce -46.3% 323,175 $3.9M
Northern Trust Corp. 0.00% Reduce -1.2% 317,805 $3.8M
Citadel Advisors 0.00% Add +121.3% 261,744 $3.2M
Charles Schwab Investment Management Inc. 0.00% Add +2.1% 255,595 $3.1M
Morgan Stanley 0.00% Add +8.0% 203,140 $2.5M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -12.9% 176,055 $2.1M
Wellington Management Group LLP 0.00% Add +9.7% 160,444 $1.9M
Jacobs Levy Equity Management, Inc. 0.01% Reduce -2.8% 149,681 $1.8M
Goldman Sachs Group Inc. 0.00% Reduce -62.0% 138,739 $1.7M
Squarepoint Ops LLC 0.01% Add +143.3% 126,389 $1.5M
Bank of New York Mellon Corp 0.00% Add +8.0% 120,954 $1.5M
Nuveen Asset Management, LLC 0.00% Reduce -58.0% 112,483 $1.4M
Two Sigma Advisers, LP 0.00% Reduce -25.1% 97,700 $1.2M
Rice Hall James & Associates, LLC 0.07% Add +4.2% 89,735 $1.1M
Massachusetts Financial Services Co. 0.00% Add +3.5% 82,202 $993K
Jane Street Group, LLC 0.00% Reduce -18.5% 81,959 $990K
Bridgeway Capital Management, LLC 0.02% Add +15.8% 76,000 $918K
Franklin Resources Inc. 0.00% Add +103.1% 66,977 $809K
Renaissance Technologies 0.00% Reduce -43.9% 64,637 $781K
Prudential Financial Inc. 0.00% Reduce -3.7% 62,725 $758K
Campbell & CO Investment Adviser LLC 0.06% Reduce -18.8% 62,046 $750K
Two Sigma Investments, LP 0.00% Reduce -41.2% 61,316 $741K
Swiss National Bank 0.00% New 60,300 $728K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% New 58,299 $704K
Alliancebernstein L.P. 0.00% Reduce -6.1% 58,140 $702K
Rhumbline Advisers 0.00% Reduce -1.6% 54,368 $657K
Bank of America Corp. 0.00% Add +240.1% 44,683 $540K
Federated Hermes, Inc. 0.00% Reduce -0.2% 44,474 $537K
Balyasny Asset Management L.P. 0.00% New 43,973 $531K
Sapient Capital LLC 0.01% No change 43,700 $528K
STRS Ohio 0.00% Add +23.6% 43,400 $524K
State of Wisconsin Investment Board 0.00% Add +17.7% 41,207 $498K
Alps Advisors Inc. 0.00% New 34,224 $413K
Legal & General Group Plc 0.00% Add +887.3% 32,690 $395K
California State Teachers Retirement System 0.00% Add +723.0% 30,449 $368K
FMR LLC 0.00% Add +5.8% 29,594 $357K
JPMorgan Chase & Co. 0.00% Reduce -11.8% 27,481 $332K
Virtus Advisers, LLC 0.16% New 27,332 $330K
BNP Paribas Financial Markets 0.00% Reduce -22.7% 26,956 $326K
XTX Topco Ltd 0.03% New 24,621 $297K
Sherbrooke Park Advisers LLC 0.05% New 23,647 $286K
Deutsche Bank AG 0.00% Add +20.9% 22,536 $272K
T. Rowe Price Associates Inc. 0.00% Add +5.3% 22,279 $270K
MetLife Investment Management, LLC 0.00% Add +10.2% 22,141 $267K
AQR Capital Management 0.00% Reduce -42.1% 21,926 $265K
Corebridge Financial, Inc. 0.00% — 19,787 $239K
UBS Group AG 0.00% Reduce -49.4% 19,004 $230K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 17,897 $216K
Janus Henderson Group PLC 0.00% New 16,300 $197K
State Board of Administration of Florida Retirement System 0.00% Add +2.0% 14,596 $176K
Exchange Traded Concepts, LLC 0.00% Reduce -23.7% 14,489 $175K
Manufacturers Life Insurance Company, The 0.00% Reduce -1.7% 14,422 $174K
Invesco Ltd. 0.00% Add +7.1% 14,227 $172K
Barclays PLC 0.00% Reduce -49.6% 12,978 $157K
New York State Common Retirement Fund 0.00% Reduce -0.0% 12,610 $152K
Voya Investment Management LLC 0.00% Add +0.5% 12,601 $152K
Wells Fargo & Company 0.00% Reduce -2.0% 11,776 $142K
Citigroup Inc. 0.00% Add +33.0% 8,969 $108K
Tower Research Capital LLC (TRC) 0.00% Add +103.8% 6,902 $83K
Cubist Systematic Strategies, LLC 0.00% Reduce -91.5% 6,597 $80K
EntryPoint Capital, LLC 0.03% New 6,152 $74K
China Universal Asset Management Co., Ltd. 0.01% Reduce -38.5% 5,156 $62K
Ameritas Investment Partners, Inc. 0.00% No change 3,701 $45K
Royal Bank of Canada 0.00% Add +313.3% 3,459 $42K
CANADA LIFE ASSURANCE Co 0.00% New 3,048 $37K
Mirae Asset Global Investments Co., Ltd. 0.00% New 1,310 $16K
Danske Bank A/S 0.00% No change 1,276 $15K
Amalgamated Bank 0.00% No change 1,217 $15K
HighMark Wealth Management LLC 0.00% No change 220 $3K
Russell Investments Group, Ltd. 0.00% Add +652.0% 188 $2K
Daiwa Securities Group Inc. 0.00% No change 162 $2K
Cwm, LLC 0.00% Add +1.5% 67 $1K
Signaturefd, LLC 0.00% New 64 $773
Nisa Investment Advisors, LLC 0.00% Reduce -32.0% 53 $640
Point72 (DIFC) Ltd 0.00% Reduce -99.6% 53 $637
Eagle Bay Advisors LLC 0.00% No change 50 $604
Osaic Holdings, Inc. 0.00% New 30 $362
GAMMA Investing LLC 0.00% Reduce -80.8% 5 $60
AlphaQuest LLC 0.00% New 1 $12
Farther Finance Advisors, LLC 0.00% No change 1 $12

"% of holder's portfolio" is YMAB's weight in each manager's 13F, not the share of Y-Mabs Therapeutics Inc. the manager owns.