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966 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 133 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

217% more first-time investments, than exits

New positions opened: 133 | Existing positions closed: 42

31% more funds holding in top 10

Funds holding in top 10: 5268 (+16)

25% more capital invested

Capital invested by funds: $72.3B → $90B (+$17.7B)

9% more funds holding

Funds holding: 884966 (+82)

9% less repeat investments, than reductions

Existing positions increased: 336 | Existing positions reduced: 371

35% less call options, than puts

Call options by funds: $1.06B | Put options by funds: $1.64B

Holders
966
Holders Change
+82
Holders Change %
+9.28%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
133
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M
Name Holding Trade Value Shares
Change
Change in
Stake
Bank of America
51
Bank of America
North Carolina
$285M +$13.1M +33,201 +5%
Grantham, Mayo, Van Otterloo & Co (GMO)
52
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$283M -$10.6M -26,971 -4%
IC
53
Institutional Capital
Illinois
$279M +$260M +659,897 New
CS
54
Credit Suisse
Switzerland
$277M -$22.6M -57,434 -8%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$265M
PI
56
Putnam Investments
Massachusetts
$262M +$33.5M +85,101 +16%
Sumitomo Mitsui Trust Group
57
Sumitomo Mitsui Trust Group
Japan
$260M +$9.61M +24,383 +4%
CCI
58
Columbus Circle Investors
$257M -$20.7M -52,398 -8%
AL
59
AJO LP
Pennsylvania
$249M -$34.1M -86,430 -13%
APG Asset Management
60
APG Asset Management
Netherlands
$226M -$3.35M -8,490 -2%
BIM
61
BlackRock Investment Management
Delaware
$223M -$5.8M -14,713 -3%
Susquehanna International Group
62
Susquehanna International Group
Pennsylvania
$222M +$98.7M +250,325 +91%
SAM
63
Sectoral Asset Management
Quebec, Canada
$210M +$23.2M +58,784 +13%
Millennium Management
64
Millennium Management
New York
$203M +$10.8M +27,318 +6%
WBC
65
Westpac Banking Corp
Australia
$199M -$35.5M -89,984 -17%
Artisan Partners
66
Artisan Partners
Wisconsin
$198M -$41.1M -104,255 -18%
PC
67
PointState Capital
New York
$193M +$131M +333,000 +266%
New York State Teachers Retirement System (NYSTRS)
68
New York State Teachers Retirement System (NYSTRS)
New York
$193M -$1.81M -4,600 -1%
Mitsubishi UFJ Trust & Banking
69
Mitsubishi UFJ Trust & Banking
Japan
$192M +$5.77M +14,628 +3%
Adage Capital Partners
70
Adage Capital Partners
Massachusetts
$188M +$8.67M +22,000 +5%
EVM
71
Eaton Vance Management
Massachusetts
$188M +$15.9M +40,320 +10%
Federated Hermes
72
Federated Hermes
Pennsylvania
$187M -$19.5M -49,528 -10%
California State Teachers Retirement System (CalSTRS)
73
California State Teachers Retirement System (CalSTRS)
California
$184M -$2.96M -7,500 -2%
PPA
74
Parametric Portfolio Associates
Washington
$181M +$13M +32,899 +8%
1832 Asset Management
75
1832 Asset Management
Ontario, Canada
$180M +$104M +263,920 +159%

BIIB Hedge Fund Activity: Q1 2015 in Review

966 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2015, worth a combined $90B — up 25% from $72.3B a quarter earlier.

Buyers outnumbered sellers: 133 funds opened new BIIB positions and 42 closed out — a net gain of 91 holders — while 336 added to existing stakes and 371 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $888M. The largest seller was T. Rowe Price Associates, cutting an estimated $546M.

  • 966 institutional investors held Biogen (BIIB) as of Q1 2015, up from 884 in Q4 2014.
  • Funds reported $90B of Biogen stock for Q1 2015, up 25% quarter-over-quarter.
  • 133 funds opened new Biogen positions in Q1 2015 and 42 closed out, a net change of +91 holders.
  • The largest Biogen buyer in Q1 2015 was Fidelity Investments, an estimated $888M added.
  • The largest Biogen seller in Q1 2015 was T. Rowe Price Associates, an estimated $546M sold.

Based on aggregated 13F filings for Q1 2015.