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1,102 hedge funds and large institutions have $45B invested in Biogen in 2019 Q4 according to their latest regulatory filings, with 204 funds opening new positions, 272 increasing their positions, 470 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

191% more first-time investments, than exits

New positions opened: 204 | Existing positions closed: 70

82% more funds holding in top 10

Funds holding in top 10: 1731 (+14)

21% more capital invested

Capital invested by funds: $37.1B → $45B (+$7.88B)

12% more funds holding

Funds holding: 9881,102 (+114)

2.64% less ownership

Funds ownership: 86.84%84.2% (-2.6%)

30% less call options, than puts

Call options by funds: $1.27B | Put options by funds: $1.82B

42% less repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 470

Holders
1,102
Holders Change
+114
Holders Change %
+11.54%
% of All Funds
21.71%
Holding in Top 10
31
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+82.35%
% of All Funds
0.61%
New
204
Increased
272
Reduced
470
Closed
70
Calls
$1.27B
Puts
$1.82B
Net Calls
-$553M
Net Calls Change
-$242M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$4.65B +$60.9M +219,594 +1%
Primecap Management
2
Primecap Management
California
$4.51B +$258M +929,469 +7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.12B -$62.4M -224,988 -2%
State Street
4
State Street
Massachusetts
$2.44B -$57.8M -208,232 -2%
ClearBridge Investments
5
ClearBridge Investments
New York
$1.51B -$304M -1,094,579 -18%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.38B +$273M +983,560 +27%
Renaissance Technologies
7
Renaissance Technologies
New York
$1.36B +$96.8M +348,700 +8%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$978M -$9.13M -32,915 -1%
AQR Capital Management
9
AQR Capital Management
Connecticut
$781M -$244M -879,652 -25%
Northern Trust
10
Northern Trust
Illinois
$739M -$83.6M -301,394 -11%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$718M -$67.2M -242,164 -9%
Norges Bank
12
Norges Bank
Norway
$716M +$44M +158,636 +7%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$628M +$62.7M +225,925 +12%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$597M +$252M +907,258 +82%
Capital World Investors
15
Capital World Investors
California
$542M -$395M -1,423,225 -44%
Goldman Sachs
16
Goldman Sachs
New York
$526M -$5.32M -19,182 -1%
D.E. Shaw & Co
17
D.E. Shaw & Co
New York
$470M -$301M -1,085,030 -41%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$433M -$72.4M -261,063 -15%
JP Morgan Chase
19
JP Morgan Chase
New York
$427M +$142M +510,618 +55%
Boston Partners
20
Boston Partners
Massachusetts
$416M -$30.9M -111,192 -7%
Deutsche Bank
21
Deutsche Bank
Germany
$407M -$117M -421,690 -24%
American Century Companies
22
American Century Companies
Missouri
$390M -$36.7M -132,163 -9%
Legal & General Group
23
Legal & General Group
United Kingdom
$373M +$4.36M +15,724 +1%
N
24
Nuveen
North Carolina
$371M +$12M +43,275 +4%
LSV Asset Management
25
LSV Asset Management
Illinois
$332M +$519K +1,869 +0.2%