Y mAbs Therapeutics (YMAB) Ownership

15.13 ↑0.13 (0.87%)

As of April 19, 2024, 3:59pm EST.

Institutions
Mutual Funds

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Y mAbs Therapeutics (YMAB), owning a total of 2.9 million shares. Combined, the top 42 institutional holders of YMAB own 66.81% of the company with a total of 29.2 million shares.

In the latest ownership report on December 31st 2023, the top 42 institutional holders increased their combined ownership of YMAB by 2.8 million shares. 12 institutions bought 2,919,596 total additional shares and increased their ownership by an average of 756.37%. However 4 institutions sold 119,534 total shares and decreased their ownership by an average of 7.59%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Y mAbs Therapeutics increased by a net total of 2,800,062 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	6.664%	17.940%	2,917,080	443,724	2023-12-31
Vanguard Group Inc	5.127%	0.552%	2,244,238	12,330	2023-12-31
Sofinnova Ventures	5.012%	0.000%	2,194,278	0	2023-12-31
Polar Capital Holdings PLC	4.699%	-2.207%	2,056,872	-46,426	2023-12-31
Caligan Partners LP	2.395%	4,395.630%	1,048,425	1,025,104	2023-12-31
Acadian Asset Management LLC	1.833%	-1.095%	802,381	-8,880	2023-12-31
Goldman Sachs Group Inc	1.818%	104.420%	795,902	406,555	2023-12-31
State Street Corporation	1.740%	2.757%	761,532	20,434	2023-12-31
Geode Capital Management, LLC	1.687%	3.899%	738,548	27,715	2023-12-31
BOOTHBAY FUND MANAGEMENT, LLC	1.586%	4,364.780%	694,094	678,548	2023-12-31
Nuveen Asset Management, LLC	0.914%	11.591%	399,940	41,541	2023-12-31
Los Angeles Capital Management LLC	0.814%	17.311%	356,530	52,610	2023-12-31
Northern Trust Corp	0.743%	0.697%	325,439	2,252	2023-12-31
Dimensional Fund Advisors, Inc.	0.715%	29.601%	313,101	71,512	2023-12-31
Charles Schwab Investment Management Inc	0.565%	-0.777%	247,506	-1,938	2023-12-31
Morgan Stanley - Brokerage Accounts	0.560%	127.251%	245,145	137,271	2023-12-31
Renaissance Technologies Corp	0.401%	-26.273%	174,800	-62,290	2023-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	6.664%	17.940%	2,917,080	443,724	2023-12-31
Vanguard Group Inc	5.127%	0.552%	2,244,238	12,330	2023-12-31
Sofinnova Ventures	5.012%	0.000%	2,194,278	0	2023-12-31
AllianceBernstein L.P.	4.924%	-23.645%	2,150,064	-665,801	2022-09-30
Polar Capital Holdings PLC	4.699%	-2.207%	2,056,872	-46,426	2023-12-31
Wellington Management Company LLP	4.462%	4.175%	1,948,469	78,090	2022-09-30
FMR Inc	3.157%	-30.057%	1,378,466	-592,385	2022-09-30
D. E. Shaw & Co LP	3.082%	5.788%	1,349,210	73,813	2023-09-30
Caligan Partners LP	2.395%	4,395.630%	1,048,425	1,025,104	2023-12-31
Acadian Asset Management LLC	1.833%	-1.095%	802,381	-8,880	2023-12-31
Goldman Sachs Group Inc	1.818%	104.420%	795,902	406,555	2023-12-31
State Street Corporation	1.740%	2.757%	761,532	20,434	2023-12-31
Geode Capital Management, LLC	1.687%	3.899%	738,548	27,715	2023-12-31
BOOTHBAY FUND MANAGEMENT, LLC	1.586%	4,364.780%	694,094	678,548	2023-12-31
Jacobs Levy Equity Management, Inc.	1.212%	-6.039%	530,439	-34,092	2023-09-30
MPM Oncology Impact Management LP	1.016%	0.000%	443,702	0	2022-09-30
Walleye Trading Advisors, LLC	1.002%	5.095%	437,344	21,204	2022-09-30
AIGH Capital Management, LLC	0.982%	0.000%	428,412	428,412	2023-03-31
Citadel Advisors Llc	0.946%	1,214.720%	414,307	382,794	2023-09-30
Artal Group S A	0.916%	0.000%	400,000	0	2022-12-31
Nuveen Asset Management, LLC	0.914%	11.591%	399,940	41,541	2023-12-31
Point72 Asset Management, L.P.	0.879%	7.382%	383,587	26,369	2023-06-30
Los Angeles Capital Management LLC	0.814%	17.311%	356,530	52,610	2023-12-31
Millennium Management LLC	0.795%	5.264%	346,916	17,347	2023-09-30
Northern Trust Corp	0.743%	0.697%	325,439	2,252	2023-12-31
Dimensional Fund Advisors, Inc.	0.715%	29.601%	313,101	71,512	2023-12-31
Driehaus Capital Management LLC	0.681%	0.000%	297,252	297,252	2022-09-30
Prudential Financial Inc	0.655%	14.363%	285,850	35,900	2023-09-30
Charles Schwab Investment Management Inc	0.565%	-0.777%	247,506	-1,938	2023-12-31
AQR Capital Management LLC	0.563%	23.049%	245,482	45,982	2023-09-30
Morgan Stanley - Brokerage Accounts	0.560%	127.251%	245,145	137,271	2023-12-31
Perceptive Advisors LLC	0.486%	0.000%	212,018	0	2022-09-30
Two Sigma Investments LLC	0.480%	0.000%	209,466	209,466	2022-12-31
Two Sigma Advisers, LLC	0.464%	-3.806%	202,200	-8,000	2023-09-30
JPMorgan Chase & Co	0.448%	497.971%	195,435	162,752	2023-03-31
Ergoteles LLC	0.439%	0.000%	191,869	191,869	2022-12-31
Memorial Sloan-kettering Cancer Center	0.437%	0.000%	191,176	0	2023-09-30
Renaissance Technologies Corp	0.401%	-26.273%	174,800	-62,290	2023-12-31
Candriam Luxembourg S.C.A.	0.395%	0.000%	172,584	0	2022-09-30
Connor Clark & Lunn Inv Mgmt Ltd	0.391%	289.766%	170,920	127,068	2022-12-31
Lombard Odier Asset Mgt (Switzerland) SA	0.387%	-6.709%	168,795	-12,138	2022-09-30
Cormorant Asset Management, LLC	0.344%	0.000%	150,000	0	2022-09-30

Mutual Fund Ownership

HBM Healthcare Investments AG Ord is the biggest individual fund holder of Y mAbs Therapeutics (YMAB), owning a total of 3.3 million shares. Combined, the top 41 mutual fund holders of YMAB own 43.11% of the company with a total of 18.8 million shares.

In the latest ownership report on February 29th 2024, the top 41 fund holders increased their combined ownership of YMAB by 8 thousand shares. 3 funds bought 14,536 total additional shares and increased their ownership by an average of 3.48%. However 4 funds sold 6,087 total shares and decreased their ownership by an average of 0.39%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Y mAbs Therapeutics increased by a net total of 8,449 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Polar Capital Biotech S Inc	3.940%	0.000%	1,725,000	0	2024-02-29
Vanguard Total Stock Mkt Idx Inv	2.648%	0.000%	1,159,178	0	2024-02-29
iShares Russell 2000 ETF	2.069%	-0.016%	905,508	-148	2024-02-29
Vanguard Institutional Extnd Mkt Idx Tr	1.041%	-0.999%	455,652	-4,598	2024-02-29
iShares Biotechnology ETF	0.589%	-0.448%	257,926	-1,160	2024-02-29
State St Russell Sm/Mid Cp® Indx NL Cl C	0.511%	1.637%	223,493	3,600	2024-02-29
iShares Russell 2000 Growth ETF	0.357%	-0.116%	156,054	-181	2024-02-29
Schwab US Small-Cap ETF™	0.309%	0.000%	135,252	0	2024-02-29
Vanguard Russell 2000 ETF	0.308%	8.298%	134,786	10,328	2024-02-29
State St Russell Sm Cap® Indx SL Cl I	0.305%	0.000%	133,282	0	2024-02-29
Vanguard Health Care ETF	0.272%	0.513%	119,150	608	2024-02-29

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
HBM Healthcare Investments AG Ord	7.533%	0.000%	3,297,800	0	2023-12-31
Polar Capital Biotech S Inc	3.940%	0.000%	1,725,000	0	2024-02-29
SPDR® S&P Biotech ETF	3.055%	3.530%	1,334,145	45,484	2022-11-30
Fidelity® Select Biotechnology	2.804%	-12.539%	1,224,319	-175,523	2022-10-31
Vanguard Instl Ttl Stck Mkt Idx Tr	2.657%	0.000%	1,159,178	0	2023-03-31
Vanguard Total Stock Mkt Idx Inv	2.648%	0.000%	1,159,178	0	2024-02-29
Vanguard Explorer Inv	2.089%	-26.578%	912,362	-330,262	2022-10-31
iShares Russell 2000 ETF	2.069%	-0.016%	905,508	-148	2024-02-29
AB Small Cap Growth A	1.991%	-29.440%	869,352	-362,723	2022-10-31
MEDICAL BioHealth EUR Acc	1.171%	-47.954%	511,645	-471,416	2023-01-31
Vanguard Extended Market Index Investor	1.071%	0.000%	467,252	0	2023-08-31
Vanguard Institutional Extnd Mkt Idx Tr	1.041%	-0.999%	455,652	-4,598	2024-02-29
Fidelity Small Cap Index	0.845%	1.008%	369,735	3,690	2023-12-31
Fidelity® Small Cap Index	0.817%	2.643%	356,429	9,176	2023-10-31
Victory Science & Technology	0.686%	10.944%	299,430	29,536	2023-09-30
iShares Biotechnology ETF	0.589%	-0.448%	257,926	-1,160	2024-02-29
APO Medical Opportunities R	0.547%	-42.578%	238,928	-177,163	2023-01-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.511%	1.637%	223,493	3,600	2024-02-29
iShares Russell 2000 Value ETF	0.407%	0.127%	178,048	226	2024-02-01
CREF Stock R1	0.384%	-32.417%	167,990	-80,580	2024-01-31
Fidelity Extended Market Index	0.373%	0.000%	163,102	0	2024-01-31
Candriam Global Equities Oncology	0.367%	0.000%	160,174	0	2022-09-30
iShares Russell 2000 Growth ETF	0.357%	-0.116%	156,054	-181	2024-02-29
Fidelity® Extended Market Index	0.351%	0.000%	153,057	0	2023-11-30
RIM Global Bioscience EUR	0.347%	0.000%	151,753	0	2022-12-31
Vanguard Strategic Small-Cap Equity Inv	0.327%	0.000%	143,155	0	2023-12-31
DFA US Micro Cap I	0.312%	0.000%	136,671	0	2024-01-31
Schwab US Small-Cap ETF™	0.309%	0.000%	135,252	0	2024-02-29
Vanguard Russell 2000 ETF	0.308%	8.298%	134,786	10,328	2024-02-29
State St Russell Sm Cap® Indx SL Cl I	0.305%	0.000%	133,282	0	2024-02-29
State St Russell Sm Cap® Indx NL Cl C	0.306%	0.000%	133,282	0	2023-09-30
Federated Hermes MDT Small Cap Growth IS	0.292%	0.000%	127,450	127,450	2022-12-31
Federated Hermes MDT SCG Institutional	0.292%	0.000%	127,450	127,450	2022-12-31
Schwab Instl Small Cap Tr Fd-Instl	0.289%	324.810%	126,364	96,618	2022-12-31
Vanguard Health Care ETF	0.272%	0.513%	119,150	608	2024-02-29
SEI Small Cap F (SIMT)	0.253%	-34.927%	110,260	-59,180	2024-01-31
NT R2000 Growth Index Fund - NL	0.251%	0.000%	109,682	0	2023-03-31
Wellington CIF II Small Cap Opps	0.240%	0.000%	104,810	0	2022-09-30
AB Small Cap Core Z	0.239%	0.000%	104,259	0	2023-07-31
Vanguard VIF Small Co Gr	0.236%	0.000%	103,404	0	2023-12-31
NT R2000 Index Fund - NL	0.232%	-6.355%	101,551	-6,892	2023-12-31