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1,122 hedge funds and large institutions have $60B invested in Biogen in 2017 Q4 according to their latest regulatory filings, with 167 funds opening new positions, 399 increasing their positions, 384 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

248% more first-time investments, than exits

New positions opened: 167 | Existing positions closed: 48

11% more funds holding

Funds holding: 1,0141,122 (+108)

4% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 384

2% more capital invested

Capital invested by funds: $59B → $60B (+$967M)

0.05% less ownership

Funds ownership: 89.15%89.1% (-0.05%)

26% less funds holding in top 10

Funds holding in top 10: 3828 (-10)

32% less call options, than puts

Call options by funds: $989M | Put options by funds: $1.44B

Holders
1,122
Holders Change
+108
Holders Change %
+10.65%
% of All Funds
25.45%
Holding in Top 10
28
Holding in Top 10 Change
-10
Holding in Top 10 Change %
-26.32%
% of All Funds
0.64%
New
167
Increased
399
Reduced
384
Closed
48
Calls
$989M
Puts
$1.44B
Net Calls
-$456M
Net Calls Change
-$187M
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$112M -$1.68M -5,241 -1%
Royal Bank of Canada
77
Royal Bank of Canada
Ontario, Canada
$111M +$15.7M +48,832 +16%
RhumbLine Advisers
78
RhumbLine Advisers
Massachusetts
$110M +$2.37M +7,395 +2%
NIPH
79
NN Investment Partners Holdings
Netherlands
$110M +$53.2M +165,910 +93%
RJA
80
Raymond James & Associates
Florida
$107M +$835K +2,604 +0.8%
SC
81
Samlyn Capital
New York
$106M -$40.6M -126,529 -27%
SEI Investments
82
SEI Investments
Pennsylvania
$106M +$3.15M +9,809 +3%
State of Wisconsin Investment Board
83
State of Wisconsin Investment Board
Wisconsin
$105M -$5.58M -17,395 -5%
HSBC Holdings
84
HSBC Holdings
United Kingdom
$105M -$5.38M -16,783 -5%
PAM
85
Panagora Asset Management
Massachusetts
$105M -$86.3K -269 -0.1%
GT
86
Glenmede Trust
Pennsylvania
$104M -$4.14M -12,917 -4%
GC
87
GMT Capital
Georgia
$102M +$8.34M +26,000 +9%
Westfield Capital Management
88
Westfield Capital Management
Massachusetts
$99.3M +$17.4M +54,157 +21%
Barclays
89
Barclays
United Kingdom
$98.8M +$50.1M +156,148 +101%
Thrivent Financial for Lutherans
90
Thrivent Financial for Lutherans
Minnesota
$98.6M -$265K -826 -0.3%
Adage Capital Partners
91
Adage Capital Partners
Massachusetts
$95.5M +$17.4M +54,274 +22%
State Board of Administration of Florida Retirement System
92
State Board of Administration of Florida Retirement System
Florida
$94.9M -$5.19M -16,177 -5%
Robeco Institutional Asset Management
93
Robeco Institutional Asset Management
Netherlands
$92.8M +$44.8M +139,529 +92%
WIM
94
Waverton Investment Management
United Kingdom
$92.4M +$5.59M +17,414 +6%
RFS
95
Rockefeller Financial Services
New York
$91.3M +$8.6M +26,823 +10%
GC
96
Guggenheim Capital
Illinois
$89.7M -$18.5M -57,580 -17%
SO
97
STRS Ohio
Ohio
$88.3M -$5.91M -18,436 -6%
BNP Paribas Financial Markets
98
BNP Paribas Financial Markets
France
$87.1M -$20.8M -64,931 -19%
Hotchkis & Wiley Capital Management
99
Hotchkis & Wiley Capital Management
California
$86.5M -$994K -3,100 -1%
USAA
100
United Services Automobile Association
Texas
$85.4M +$1.29M +4,015 +2%

BIIB Hedge Fund Activity: Q4 2017 in Review

1,122 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q4 2017, worth a combined $60B — up 1.6% from $59B a quarter earlier.

Buyers outnumbered sellers: 167 funds opened new BIIB positions and 48 closed out — a net gain of 119 holders — while 399 added to existing stakes and 384 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $623M. The largest seller was T. Rowe Price Associates, cutting an estimated $689M.

  • 1,122 institutional investors held Biogen (BIIB) as of Q4 2017, up from 1,014 in Q3 2017.
  • Funds reported $60B of Biogen stock for Q4 2017, up 1.6% quarter-over-quarter.
  • 167 funds opened new Biogen positions in Q4 2017 and 48 closed out, a net change of +119 holders.
  • The largest Biogen buyer in Q4 2017 was Fidelity Investments, an estimated $623M added.
  • The largest Biogen seller in Q4 2017 was T. Rowe Price Associates, an estimated $689M sold.

Based on aggregated 13F filings for Q4 2017.