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947 hedge funds and large institutions have $49.3B invested in Biogen in 2016 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 364 increasing their positions, 350 reducing their positions, and 103 closing their positions.

New
Increased
Maintained
Reduced
Closed

4% more repeat investments, than reductions

Existing positions increased: 364 | Existing positions reduced: 350

7% less call options, than puts

Call options by funds: $1.05B | Put options by funds: $1.13B

8% less first-time investments, than exits

New positions opened: 95 | Existing positions closed: 103

2% less funds holding

Funds holding: 969947 (-22)

14% less funds holding in top 10

Funds holding in top 10: 3732 (-5)

16% less capital invested

Capital invested by funds: $58.9B → $49.3B (-$9.59B)

Holders
947
Holders Change
-22
Holders Change %
-2.27%
% of All Funds
25.23%
Holding in Top 10
32
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-13.51%
% of All Funds
0.85%
New
95
Increased
364
Reduced
350
Closed
103
Calls
$1.05B
Puts
$1.13B
Net Calls
-$73.9M
Net Calls Change
+$323M
Name Holding Trade Value Shares
Change
Change in
Stake
Primecap Management
1
Primecap Management
California
$4.23B +$115M +436,101 +3%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.51B +$150M +567,069 +4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.48B +$35.2M +133,400 +1%
State Street
4
State Street
Massachusetts
$2.32B -$141M -532,762 -6%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.2B -$27.6M -104,449 -1%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$2.11B +$465M +1,759,477 +28%
BIT
7
BlackRock Institutional Trust
California
$1.5B -$35.3M -133,709 -2%
BFA
8
BlackRock Fund Advisors
California
$1.24B -$101M -383,936 -7%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$1.21B -$164M -620,971 -12%
Ameriprise
10
Ameriprise
Minnesota
$1.07B +$26.7M +101,058 +3%
JP Morgan Chase
11
JP Morgan Chase
New York
$985M -$137M -519,265 -12%
Invesco
12
Invesco
Georgia
$941M +$90.4M +342,290 +10%
Jennison Associates
13
Jennison Associates
New York
$902M +$21.7M +82,049 +2%
AllianceBernstein
14
AllianceBernstein
Tennessee
$823M +$88.4M +334,516 +12%
Sands Capital Management
15
Sands Capital Management
Virginia
$818M -$59.8M -226,422 -7%
JSP
16
Jackson Square Partners
California
$806M +$71.8M +271,970 +11%
Northern Trust
17
Northern Trust
Illinois
$788M -$5.88M -22,269 -0.7%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$701M -$34.8M -131,812 -5%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$580M +$35.8M +135,608 +6%
Franklin Resources
20
Franklin Resources
California
$538M -$12.7M -48,255 -2%
BG
21
BlackRock Group
United Kingdom
$524M -$36.9M -139,747 -6%
Bank of America
22
Bank of America
North Carolina
$501M +$89.3M +338,245 +21%
Norges Bank
23
Norges Bank
Norway
$473M -$34.4M -130,276 -7%
O
24
OppenheimerFunds
New York
$429M -$12.1M -45,925 -3%
TCIM
25
TIAA CREF Investment Management
New York
$398M -$35.1M -132,901 -8%

BIIB Hedge Fund Activity: Q1 2016 in Review

947 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2016, worth a combined $49.3B — down 16% from $58.9B a quarter earlier.

Sellers outnumbered buyers: 103 funds closed out of BIIB and 95 opened new positions — a net loss of 8 holders — while 350 trimmed existing stakes and 364 added.

The largest buyer was Royal London Asset Management, adding an estimated $3.73B. The largest seller was Wellington Management Group, cutting an estimated $164M.

  • 947 institutional investors held Biogen (BIIB) as of Q1 2016, down from 969 in Q4 2015.
  • Funds reported $49.3B of Biogen stock for Q1 2016, down 16% quarter-over-quarter.
  • 95 funds opened new Biogen positions in Q1 2016 and 103 closed out, a net change of -8 holders.
  • The largest Biogen buyer in Q1 2016 was Royal London Asset Management, an estimated $3.73B added.
  • The largest Biogen seller in Q1 2016 was Wellington Management Group, an estimated $164M sold.

Based on aggregated 13F filings for Q1 2016.