Y-mAbs Therapeutics, Inc.

NasdaqGS:YMAB Stock Report

Market Cap: US$629.1m

Y-mAbs Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:YMAB Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
05 Mar 24SellUS$27,837Susan SmithIndividual1,682US$16.55
05 Mar 24SellUS$64,116Thomas GadIndividual3,900US$16.44
05 Mar 24SellUS$28,283Vignesh RajahIndividual1,711US$16.53
15 Dec 23SellUS$1,001,000Thomas GadIndividual150,000US$6.83
11 Dec 23BuyUS$890,411Wg Biotech ApsCompany127,549US$7.01
11 Dec 23BuyUS$44,232Wg Biotech ApsCompany6,455US$6.85
29 Nov 23BuyUS$309,477Wg Biotech ApsCompany51,837US$5.97
28 Nov 23BuyUS$521,294Wg Biotech ApsCompany93,187US$5.81
21 Nov 23SellUS$795,383Thomas GadIndividual150,000US$5.31
15 May 23BuyUS$981,404Wg Biotech ApsCompany101,740US$9.65

Insider Trading Volume

Insider Buying: YMAB insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of YMAB?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,344,5153.07%
Hedge Funds2,198,3125.02%
Private Companies4,565,91910.4%
VC/PE Firms8,253,90318.9%
General Public9,204,74821%
Institutions18,209,70841.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 71.22% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
10.4%
Wg Biotech Aps
4,559,233US$65.5m6.52%no data
7.53%
HBM Partners Ltd.
3,297,800US$47.4m-13.5%5.53%
6.66%
BlackRock, Inc.
2,917,080US$41.9m17.9%no data
6.31%
Acorn Bioventures
2,761,825US$39.7m18.7%33.44%
5.13%
The Vanguard Group, Inc.
2,244,238US$32.2m0.55%no data
5.02%
Paradigm Biocapital Advisors LP
2,198,312US$31.6m0%1.53%
5.01%
Sofinnova Investment, Inc.
2,194,278US$31.5m0%2.31%
4.7%
Polar Capital Holdings Plc
2,056,872US$29.6m-2.21%0.12%
3.02%
D. E. Shaw & Co., L.P.
1,323,780US$19.0m-1.88%0.03%
2.39%
Caligan Partners, LP
1,048,425US$15.1m4,400%4.51%
1.83%
Acadian Asset Management LLC
802,381US$11.5m-1.09%0.03%
1.74%
State Street Global Advisors, Inc.
761,532US$10.9m2.76%no data
1.69%
Geode Capital Management, LLC
738,548US$10.6m3.9%no data
1.59%
Boothbay Fund Management, LLC
694,094US$10.0m4,360%0.41%
1.42%
Claus Moller-San Pedro
622,928US$9.0m0%no data
0.99%
Thomas Gad
434,632US$6.2m2.26%no data
0.91%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
399,069US$5.7m11.4%no data
0.88%
Goldman Sachs Asset Management, L.P.
384,213US$5.5m4.79%no data
0.74%
Northern Trust Global Investments
325,439US$4.7m0.7%no data
0.72%
Dimensional Fund Advisors LP
313,101US$4.5m29.6%no data
0.58%
Jacobs Levy Equity Management Inc
252,920US$3.6m-52.3%0.02%
0.57%
Charles Schwab Investment Management, Inc.
247,506US$3.6m0%no data
0.51%
Morgan Stanley, Investment Banking and Brokerage Investments
223,196US$3.2m159%no data
0.44%
Memorial Sloan Kettering Cancer Center, Endowment Arm
191,176US$2.7m0%8.18%
0.42%
Bo Kruse
184,977US$2.7m2.15%no data
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