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1,084 hedge funds and large institutions have $40.6B invested in Biogen in 2019 Q1 according to their latest regulatory filings, with 119 funds opening new positions, 389 increasing their positions, 437 reducing their positions, and 164 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.4% more ownership

Funds ownership: 87.24%87.63% (+0.4%)

5% less funds holding

Funds holding: 1,1401,084 (-56)

10% less call options, than puts

Call options by funds: $1.15B | Put options by funds: $1.28B

11% less repeat investments, than reductions

Existing positions increased: 389 | Existing positions reduced: 437

22% less capital invested

Capital invested by funds: $52.2B → $40.6B (-$11.6B)

24% less funds holding in top 10

Funds holding in top 10: 2922 (-7)

27% less first-time investments, than exits

New positions opened: 119 | Existing positions closed: 164

Holders
1,084
Holders Change
-56
Holders Change %
-4.91%
% of All Funds
23.46%
Holding in Top 10
22
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-24.14%
% of All Funds
0.48%
New
119
Increased
389
Reduced
437
Closed
164
Calls
$1.15B
Puts
$1.28B
Net Calls
-$132M
Net Calls Change
+$215M
Name Holding Trade Value Shares
Change
Change in
Stake
Swedbank
151
Swedbank
Sweden
$30.3M -$85.1M -270,174 -68%
GIA
152
Gateway Investment Advisers
Ohio
$30.1M -$283K -900 -0.7%
Treasurer of the State of North Carolina
153
Treasurer of the State of North Carolina
North Carolina
$29.7M -$427K -1,357 -1%
Royal London Asset Management
154
Royal London Asset Management
United Kingdom
$29.3M +$2.95M +9,382 +8%
ACM
155
Argent Capital Management
Missouri
$29.1M +$11.3M +35,853 +41%
Bank of Nova Scotia
156
Bank of Nova Scotia
Ontario, Canada
$28.7M +$18.7M +59,511 +96%
SOMRS
157
State of Michigan Retirement System
Michigan
$28.4M -$315K -1,000 -0.8%
WCM
158
Wedge Capital Management
North Carolina
$28.3M +$4.83M +15,344 +15%
SEI Investments
159
SEI Investments
Pennsylvania
$27.5M -$5.21M -16,545 -12%
Jane Street
160
Jane Street
New York
$27.3M +$31.9M +101,280 +720%
EP
161
Elkfork Partners
Oregon
$27.2M +$8.07M +25,636 +29%
MSV
162
MN Services Vermogensbeheer
Netherlands
$27.2M +$346K +1,100 +1%
Adage Capital Partners
163
Adage Capital Partners
Massachusetts
$26.9M -$42M -133,326 -54%
WA
164
WestEnd Advisors
North Carolina
$26M +$510K +1,621 +1%
CTB
165
Country Trust Bank
Illinois
$25.7M -$1.26M -3,999 -4%
AGA
166
Altrinsic Global Advisors
Connecticut
$25.5M +$4.55M +14,458 +15%
Millennium Management
167
Millennium Management
New York
$25.5M +$9.74M +30,916 +40%
Teacher Retirement System of Texas
168
Teacher Retirement System of Texas
Texas
$25.2M +$7.59M +24,093 +29%
AIMCA
169
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$24.7M +$5.86M +18,600 +22%
Asset Management One
170
Asset Management One
Japan
$24.4M -$72.7M -230,965 -69%
MSL
171
Mackay Shields LLC
New York
$24.4M +$2.62M +8,317 +9%
SO
172
STRS Ohio
Ohio
$24.2M -$5.21M -16,553 -14%
TAM
173
Todd Asset Management
Kentucky
$24.1M +$6.02M +19,110 +23%
H
174
Hexavest
Quebec, Canada
$23.5M +$1.86M +5,919 +6%
AT
175
AMF Tjänstepension
Sweden
$23.2M -$23.4M -74,344 -43%

BIIB Hedge Fund Activity: Q1 2019 in Review

1,084 of the 4,620 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2019, worth a combined $40.6B — down 22% from $52.2B a quarter earlier.

Sellers outnumbered buyers: 164 funds closed out of BIIB and 119 opened new positions — a net loss of 45 holders — while 437 trimmed existing stakes and 389 added.

The largest buyer was AQR Capital Management, adding an estimated $335M. The largest seller was Ameriprise, cutting an estimated $509M.

  • 1,084 institutional investors held Biogen (BIIB) as of Q1 2019, down from 1,140 in Q4 2018.
  • Funds reported $40.6B of Biogen stock for Q1 2019, down 22% quarter-over-quarter.
  • 119 funds opened new Biogen positions in Q1 2019 and 164 closed out, a net change of -45 holders.
  • The largest Biogen buyer in Q1 2019 was AQR Capital Management, an estimated $335M added.
  • The largest Biogen seller in Q1 2019 was Ameriprise, an estimated $509M sold.

Based on aggregated 13F filings for Q1 2019.