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ARNA

Arena Pharmaceuticals Inc
ARNA

Delisted

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

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125 hedge funds and large institutions have $978M invested in Arena Pharmaceuticals Inc in 2017 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 45 increasing their positions, 40 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

188% more call options, than puts

Call options by funds: $47.9M | Put options by funds: $16.6M

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

34% more capital invested

Capital invested by funds: $731M → $978M (+$247M)

32% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 19

13% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 40

5% more funds holding

Funds holding: 119 → 125 (+6)

Holders
125
Holders Change
+6
Holders Change %
+5.04%
% of All Funds
2.84%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
25
Increased
45
Reduced
40
Closed
19
Calls
$47.9M
Puts
$16.6M
Net Calls
+$31.3M
Net Calls Change
+$13.6M

Top Buyers

1
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$15.3M
2
DM
Deerfield Management
New York
+$12.8M
3
CS
Credit Suisse
Switzerland
+$7.98M
4
Citadel Advisors
Citadel Advisors
Florida
+$7.45M
5
Invesco
Invesco
Georgia
+$6.3M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
-$9.39M
2
BIM
Bogle Investment Management
Massachusetts
-$8.96M
3
State Street
State Street
Massachusetts
-$8.76M
4
NI
Numeric Investors
Massachusetts
-$7.03M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
-$6.38M
Name Holding Trade Value Shares
Change 		Change in
Stake
ACM
26
Atika Capital Management
New York
$5.77M +$1.37M +48,000 +39%
Bank of New York Mellon
27
Bank of New York Mellon
New York
$5.72M -$51.2K -1,799 -1%
JP Morgan Chase
28
JP Morgan Chase
New York
$5.69M -$4.13M -144,868 -46%
Point72 Asset Management
29
Point72 Asset Management
Connecticut
$5.68M -$6.38M -223,900 -57%
Hudson Bay Capital Management
30
Hudson Bay Capital Management
Connecticut
$5.43M -$4.13M -145,000 -48%
OIM
31
Oracle Investment Management
Connecticut
$4.78M +$2.17M +76,293 +119%
PAM
32
Panagora Asset Management
Massachusetts
$4.29M +$114K +4,010 +3%
Group One Trading
33
Group One Trading
Illinois
$4.29M +$273K +9,593 +8%
Morgan Stanley
34
Morgan Stanley
New York
$3.9M +$1.73M +60,596 +112%
Two Sigma Advisers
35
Two Sigma Advisers
New York
$3.8M -$1.2M -42,110 -27%
Susquehanna International Group
36
Susquehanna International Group
Pennsylvania
$3.33M +$2.79M +98,022 New
American Century Companies
37
American Century Companies
Missouri
$3.06M +$715K +25,108 +39%
D.E. Shaw & Co
38
D.E. Shaw & Co
New York
$2.78M +$1.45M +50,888 +164%
B
39
Bailard
California
$2.75M +$2.31M +81,000 New
CAM
40
ClariVest Asset Management
California
$2.75M -$106K -3,714 -4%
Norges Bank
41
Norges Bank
Norway
$2.3M – – –
Swiss National Bank
42
Swiss National Bank
Switzerland
$2.27M +$88.3K +3,100 +5%
Citigroup
43
Citigroup
New York
$2.13M +$339K +11,894 +23%
Wells Fargo
44
Wells Fargo
California
$2.13M +$688K +24,138 +63%
California State Teachers Retirement System (CalSTRS)
45
California State Teachers Retirement System (CalSTRS)
California
$2.11M -$27K -949 -2%
EMG
46
ETF Managers Group
New Jersey
$1.96M +$1.54M +54,012 New
California Public Employees Retirement System
47
California Public Employees Retirement System
California
$1.75M +$48.4K +1,700 +3%
EGI
48
EAM Global Investors
California
$1.71M +$1.43M +50,259 New
IHM
49
Iguana Healthcare Management
New York
$1.7M -$285K -10,000 -17%
AllianceBernstein
50
AllianceBernstein
Tennessee
$1.64M -$522K -18,311 -27%
1
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ARNA Hedge Fund Activity: Q4 2017 in Review

125 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Arena Pharmaceuticals Inc (ARNA) for Q4 2017, worth a combined $978M — up 34% from $731M a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new ARNA positions and 19 closed out — a net gain of 6 holders — while 45 added to existing stakes and 40 trimmed.

The largest buyer was Alyeska Investment Group, opening a new position worth an estimated $15.3M. The largest seller was Renaissance Technologies, cutting an estimated $9.39M.

  • 125 institutional investors held Arena Pharmaceuticals Inc (ARNA) as of Q4 2017, up from 119 in Q3 2017.
  • Funds reported $978M of Arena Pharmaceuticals Inc stock for Q4 2017, up 34% quarter-over-quarter.
  • 25 funds opened new Arena Pharmaceuticals Inc positions in Q4 2017 and 19 closed out, a net change of +6 holders.
  • The largest Arena Pharmaceuticals Inc buyer in Q4 2017 was Alyeska Investment Group, an estimated $15.3M added.
  • The largest Arena Pharmaceuticals Inc seller in Q4 2017 was Renaissance Technologies, an estimated $9.39M sold.

Based on aggregated 13F filings for Q4 2017.