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Y-mAbs Therapeutics
YMAB

Overview Fund Activity

114 hedge funds and large institutions have $1.11B invested in Y-mAbs Therapeutics in 2020 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 47 increasing their positions, 34 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
114
Holders Change
+8
Holders Change %
+7.55%
% of All Funds
2.02%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.07%
New
16
Increased
47
Reduced
34
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Artisan Partners
1
Artisan Partners
Wisconsin
$51.9M
2
CAM
2
Cormorant Asset Management
Massachusetts
$82.3M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$73.3M
4
ACM
4
Ashford Capital Management
Delaware
$10.9M
5
Goldman Sachs
5
Goldman Sachs
New York
$42.7M

Top Sellers

1
SFM
1
Sphera Funds Management
Israel
$6.49M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$121M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$49.9M
4
State Street
4
State Street
Massachusetts
$46.7M
5
Axa
5
Axa
France
$4.68M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$121M -$10.7M -215,243 -8%
BlackRock
2
BlackRock
New York
$120M +$3.61M +72,823 +3%
SI
3
Sofinnova Investments
California
$109M – – –
CAM
4
Cormorant Asset Management
Massachusetts
$82.3M +$13.1M +263,947 +19%
Vanguard Group
5
Vanguard Group
Pennsylvania
$73.3M +$11.7M +236,743 +19%
Artisan Partners
6
Artisan Partners
Wisconsin
$51.9M +$15.9M +321,788 +44%
AllianceBernstein
7
AllianceBernstein
Tennessee
$50M +$2.52M +50,803 +5%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$49.9M -$5.32M -107,468 -10%
State Street
9
State Street
Massachusetts
$46.7M -$5.29M -106,933 -10%
Goldman Sachs
10
Goldman Sachs
New York
$42.7M +$6.7M +135,321 +19%
Loomis, Sayles & Company
11
Loomis, Sayles & Company
Massachusetts
$38.8M -$230K -4,654 -0.6%
FLAM
12
First Light Asset Management
Minnesota
$31.5M +$1.36M +27,459 +5%
PCH
13
Polar Capital Holdings
United Kingdom
$25.1M +$25.1M +507,633 New
Geode Capital Management
14
Geode Capital Management
Massachusetts
$21.3M +$1.47M +29,701 +7%
Northern Trust
15
Northern Trust
Illinois
$17.5M -$1.04M -21,097 -6%
MB
16
MPM BioImpact
Massachusetts
$16.7M – – –
AG
17
Artal Group
Luxembourg
$14.1M – – –
DCM
18
Driehaus Capital Management
Illinois
$14.1M -$661K -13,345 -4%
ACM
19
Ashford Capital Management
Delaware
$10.9M +$10.9M +219,419 New
MSKCC
20
Memorial Sloan Kettering Cancer Center
New York
$10.7M +$10.7M +216,916 New
New York State Common Retirement Fund
21
New York State Common Retirement Fund
New York
$9.88M +$2.46M +49,619 +33%
CS
22
Candriam SCA
Luxembourg
$8.91M -$137K -2,758 -2%
Charles Schwab
23
Charles Schwab
California
$8.79M +$259K +5,236 +3%
Morgan Stanley
24
Morgan Stanley
New York
$6.55M +$2.82M +56,893 +75%
SFM
25
Sphera Funds Management
Israel
$6.49M -$13.1M -265,505 -67%
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