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Biogen
BIIB

Overview Fund Activity

1,099 hedge funds and large institutions have $45B invested in Biogen in 2019 Q4 according to their latest regulatory filings, with 202 funds opening new positions, 272 increasing their positions, 469 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,099
Holders Change
+113
Holders Change %
+11.46%
% of All Funds
21.7%
Holding in Top 10
31
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+82.35%
% of All Funds
0.61%
New
202
Increased
272
Reduced
469
Closed
69
Calls
$1.27B
Puts
$1.82B
Net Calls
-$553M
Net Calls Change
-$242M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.38B
2
Primecap Management
2
Primecap Management
California
$4.51B
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$597M
4
Berkshire Hathaway
4
Berkshire Hathaway
Nebraska
$192M
5
AAMU
5
Amundi Asset Management US
Massachusetts
$255M

Top Sellers

1
Invesco
1
Invesco
Georgia
$325M
2
Capital World Investors
2
Capital World Investors
California
$542M
3
ClearBridge Investments
3
ClearBridge Investments
New York
$1.51B
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$470M
5
AllianceBernstein
5
AllianceBernstein
Tennessee
$128M
Name Holding Trade Value Shares
Change 		Shares
Change %
HM
1101
HealthCor Management
New York
– -$83.1M -356,860 Closed
BA
1102
Bridgewater Associates
Connecticut
– -$55.3M -237,455 Closed
WIM
1103
Waverton Investment Management
United Kingdom
– -$44.5M -191,217 Closed
PP
1104
Prudential plc
United Kingdom
– -$41.6M -178,663 Closed
DLPIC
1105
Davide Leone & Partners Investment Company
United Kingdom
– -$32.4M -139,107 Closed
QIM
1106
Quantitative Investment Management
Virginia
– -$22.4M -96,396 Closed
WRF
1107
Waddell & Reed Financial
Kansas
– -$21.7M -93,232 Closed
Simplex Trading
1108
Simplex Trading
Illinois
– -$15.8M -68,075 Closed
LCM
1109
Laurion Capital Management
New York
– -$11.7M -50,255 Closed
WG
1110
Winton Group
United Kingdom
– -$11.7M -50,246 Closed
Two Sigma Investments
1111
Two Sigma Investments
New York
– -$11.5M -49,281 Closed
Squarepoint
1112
Squarepoint
New York
– -$11M -47,194 Closed
HT
1113
HAP Trading
New York
– -$8.43M -36,210 Closed
ZIG
1114
Zurich Insurance Group
Switzerland
– -$5.56M -23,869 Closed
TEE
1115
Tibra Equities Europe
United Kingdom
– -$5.12M -22,000 Closed
NLGIA
1116
Nippon Life Global Investors Americas
New York
– -$3.4M -14,610 Closed
CRB
1117
Chad R. Baker
– -$2.79M -11,995 Closed
VAS
1118
Vestmark Advisory Solutions
Massachusetts
– -$2.49M -10,685 Closed
NAM
1119
NorthCoast Asset Management
Connecticut
– -$2.41M -10,347 Closed
ECM
1120
Element Capital Management
New York
– -$2.4M -10,305 Closed
USAA
1121
United Services Automobile Association
Texas
– -$2.09M -8,983 Closed
BCM
1122
BlueCrest Capital Management
Jersey
– -$1.72M -7,384 Closed
MWM
1123
Marietta Wealth Management
Georgia
– -$1.62M -6,935 Closed
SCA
1124
Sage Capital Advisors
South Dakota
– -$1.58M -6,779 Closed
PCP
1125
Proficio Capital Partners
Massachusetts
– -$1.24M -5,325 Closed
43 44
45
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