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Y-mAbs Therapeutics
YMAB

Overview Fund Activity

117 hedge funds and large institutions have $804M invested in Y-mAbs Therapeutics in 2021 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 55 increasing their positions, 32 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
117
Holders Change
+3
Holders Change %
+2.63%
% of All Funds
2.06%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
18
Increased
55
Reduced
32
Closed
14
Calls
–
Puts
$496K
Net Calls
-$496K
Net Calls Change
-$496K

Top Buyers

1
State Street
1
State Street
Massachusetts
$51.7M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$91.3M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$46.8M
4
FLAM
4
First Light Asset Management
Minnesota
$28.6M
5
ACM
5
Ashford Capital Management
Delaware
$15.4M

Top Sellers

1
PCH
1
Polar Capital Holdings
United Kingdom
$243K
2
CAM
2
Cormorant Asset Management
Massachusetts
$37.2M
3
SFM
3
Sphera Funds Management
Israel
$0
4
PI
4
Putnam Investments
Massachusetts
$0
5
Axa
5
Axa
France
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$91.3M +$17.6M +580,649 +24%
BlackRock
2
BlackRock
New York
$76.4M +$3.21M +106,196 +4%
SI
3
Sofinnova Investments
California
$66.4M – – –
State Street
4
State Street
Massachusetts
$51.7M +$23.2M +766,418 +81%
Vanguard Group
5
Vanguard Group
Pennsylvania
$48.3M +$3.55M +117,546 +8%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$46.8M +$16.4M +541,813 +54%
Artisan Partners
7
Artisan Partners
Wisconsin
$39.9M +$8.18M +270,484 +26%
AllianceBernstein
8
AllianceBernstein
Tennessee
$37.2M +$6.68M +221,019 +22%
CAM
9
Cormorant Asset Management
Massachusetts
$37.2M -$13.1M -431,647 -26%
FLAM
10
First Light Asset Management
Minnesota
$28.6M +$9.33M +308,601 +49%
Goldman Sachs
11
Goldman Sachs
New York
$24.7M -$1.32M -43,589 -5%
Loomis, Sayles & Company
12
Loomis, Sayles & Company
Massachusetts
$23.7M -$66.5K -2,198 -0.3%
ACM
13
Ashford Capital Management
Delaware
$15.4M +$8.73M +288,664 +132%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$14.3M +$1.31M +43,240 +10%
AG
15
Artal Group
Luxembourg
$12.1M +$3.48M +114,972 +40%
OIM
16
Oracle Investment Management
Connecticut
$11.5M +$7.69M +254,300 +201%
DCM
17
Driehaus Capital Management
Illinois
$10.7M +$2.05M +67,849 +24%
Northern Trust
18
Northern Trust
Illinois
$10.5M -$221K -7,298 -2%
MB
19
MPM BioImpact
Massachusetts
$10.2M – – –
Millennium Management
20
Millennium Management
New York
$8.62M +$5.44M +179,831 +171%
CS
21
Candriam SCA
Luxembourg
$8.56M -$48 -1 -0%
Two Sigma Investments
22
Two Sigma Investments
New York
$8.29M +$5.9M +194,975 +246%
Two Sigma Advisers
23
Two Sigma Advisers
New York
$7.26M +$3.84M +126,900 +112%
New York State Common Retirement Fund
24
New York State Common Retirement Fund
New York
$7.21M +$1.18M +38,928 +20%
MSKCC
25
Memorial Sloan Kettering Cancer Center
New York
$6.56M – – –
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