ARNA

Arena Pharmaceuticals Inc
ARNA

Overview Fund Activity
Delisted

ARNA was delisted on the 10th of March, 2022.

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315 hedge funds and large institutions have $4.86B invested in Arena Pharmaceuticals Inc in 2021 Q4 according to their latest regulatory filings, with 118 funds opening new positions, 76 increasing their positions, 90 reducing their positions, and 35 closing their positions.

Holders
315
Holders Change
+80
Holders Change %
+34.04%
% of All Funds
4.87%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.11%
New
118
Increased
76
Reduced
90
Closed
35
Calls
$131M
Puts
$101M
Net Calls
+$30.2M
Net Calls Change
+$4.52M

Top Buyers

1
MF
1
Magnetar Financial
Illinois
$97.9M
2
AAM
2
Alpine Associates Management
Florida
$74.9M
3
VI
3
Versor Investments
New York
$72M
4
HI
4
HBK Investments
Texas
$70.8M
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$167M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$361M
2
ACA
2
Avoro Capital Advisors
New York
$115M
3
Alkeon Capital Management
3
Alkeon Capital Management
New York
$0
4
PAMS
4
Pictet Asset Management (Switzerland)
Switzerland
$5.22M
5
GGHC
5
Gilder Gagnon Howe & Co
New York
$1.63M
Name Market Value Shares Shares
Change 		Shares
Change %
D.E. Shaw & Co
51
D.E. Shaw & Co
New York
$21.2M 228,325 +228,325 New
WCMNY
52
Westchester Capital Management (New York)
New York
$20.9M 224,444 +224,444 New
WP
53
Woodline Partners
California
$19.5M 210,337 +6,112 +3%
Alyeska Investment Group
54
Alyeska Investment Group
Illinois
$18.6M 200,000 +200,000 New
YCM
55
Yiheng Capital Management
California
$18M 193,195 +193,195 New
Susquehanna International Group
56
Susquehanna International Group
Pennsylvania
$17.7M 190,490 +111,395 +141%
Renaissance Technologies
57
Renaissance Technologies
New York
$16.9M 181,516 +181,516 New
TCM
58
Tekla Capital Management
Massachusetts
$16.4M 175,976 +92,347 +110%
American Century Companies
59
American Century Companies
Missouri
$16.1M 173,084 +38,672 +29%
RA
60
Ramius Advisors
New York
$15M 161,770 +161,770 New
Morgan Stanley
61
Morgan Stanley
New York
$14.8M 159,095 +98,247 +161%
Barclays
62
Barclays
United Kingdom
$13.9M 149,859 +98,954 +194%
UBS AM
63
UBS AM
Illinois
$13.9M 149,452 -858 -0.6%
Man Group
64
Man Group
United Kingdom
$13.7M 147,637 +138,281 +1,478%
MP
65
Mangrove Partners
Connecticut
$13.5M 145,087 +145,087 New
WIC
66
Water Island Capital
New York
$13.1M 140,800 +140,800 New
EA
67
Emerald Advisers
Pennsylvania
$13M 139,997 -233,701 -63%
Russell Investments Group
68
Russell Investments Group
United Kingdom
$12.8M 137,993 -29,324 -18%
Verition Fund Management
69
Verition Fund Management
Connecticut
$12.3M 132,701 +132,701 New
PCM
70
Pentwater Capital Management
Florida
$12.1M 130,000 +130,000 New
Swiss National Bank
71
Swiss National Bank
Switzerland
$11.9M 127,705 +400 +0.3%
Assenagon Asset Management
72
Assenagon Asset Management
Luxembourg
$11.7M 126,106 +39,878 +46%
JG
73
Jefferies Group
New York
$11.3M 121,719 +119,658 +5,806%
DCM
74
Driehaus Capital Management
Illinois
$11.3M 121,698 +121,698 New
PCM
75
Peregrine Capital Management
Minnesota
$11.2M 119,983 +3,375 +3%
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