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1,014 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 356 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

65% more funds holding in top 10

Funds holding in top 10: 2338 (+15)

46% more first-time investments, than exits

New positions opened: 99 | Existing positions closed: 68

16% more capital invested

Capital invested by funds: $50.9B → $59B (+$8.14B)

2% more funds holding

Funds holding: 9921,014 (+22)

1.38% more ownership

Funds ownership: 87.77%89.15% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 356

22% less call options, than puts

Call options by funds: $974M | Put options by funds: $1.24B

Holders
1,014
Holders Change
+22
Holders Change %
+2.22%
% of All Funds
25.28%
Holding in Top 10
38
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+65.22%
% of All Funds
0.95%
New
99
Increased
380
Reduced
356
Closed
68
Calls
$974M
Puts
$1.24B
Net Calls
-$269M
Net Calls Change
-$87M
Name Holding Trade Value Shares
Change
Change in
Stake
TL
201
Tirschwell & Loewy
New York
$23.4M +$29.6K +100 +0.1%
AIM
202
Artemis Investment Management
United Kingdom
$23.2M +$17.7M +59,651 +416%
SAM
203
Sentinel Asset Management
Vermont
$22.6M -$622K -2,100 -3%
N
204
Natixis
France
$22.6M -$44.2M -149,194 -67%
IBT
205
International Biotechnology Trust
United Kingdom
$22.4M +$3.08M +10,400 +17%
GIBU
206
Gulf International Bank (UK)
United Kingdom
$21.2M -$29.6K -100 -0.1%
PIM
207
Provident Investment Management
Michigan
$20.8M +$37.9K +128 +0.2%
Natixis Advisors
208
Natixis Advisors
Massachusetts
$20.3M +$1.23M +4,155 +7%
SOMRS
209
State of Michigan Retirement System
Michigan
$20.1M -$1.78M -6,000 -9%
GAM
210
Gotham Asset Management
New York
$19.7M -$29.4M -99,425 -61%
CIM
211
Chiron Investment Management
New York
$18.8M +$9.18M +30,996 +107%
TRSOTSOK
212
Teachers Retirement System of the State of Kentucky
Kentucky
$18.6M +$10.5M +35,300 +147%
Comerica Bank
213
Comerica Bank
Texas
$18.5M -$205K -692 -1%
BG
214
Bellevue Group
Switzerland
$18.4M -$770K -2,600 -4%
TPSF
215
Texas Permanent School Fund
Texas
$18.3M -$423K -1,427 -2%
CAM
216
ClariVest Asset Management
California
$18.2M -$729K -2,462 -4%
TB
217
Terril Brothers
Missouri
$18.1M -$49.7K -168 -0.3%
IG
218
ING Group
Netherlands
$18.1M -$564K -1,904 -3%
Envestnet Asset Management
219
Envestnet Asset Management
Illinois
$18.1M +$1.22M +4,136 +8%
Loomis, Sayles & Company
220
Loomis, Sayles & Company
Massachusetts
$18M -$1.16M -3,934 -6%
OC
221
Oppenheimer & Co
New York
$17.7M +$408K +1,379 +3%
OPERF
222
Oregon Public Employees Retirement Fund
Oregon
$17.7M +$1.14M +3,844 +7%
SDIC
223
South Dakota Investment Council
South Dakota
$17M -$3.2M -10,810 -17%
Public Sector Pension Investment Board (PSP Investments)
224
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$16.8M +$8.68M +29,298 +120%
RSCM
225
Rock Springs Capital Management
Maryland
$16.6M

BIIB Hedge Fund Activity: Q3 2017 in Review

1,014 of the 4,011 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q3 2017, worth a combined $59B — up 16% from $50.9B a quarter earlier.

Buyers outnumbered sellers: 99 funds opened new BIIB positions and 68 closed out — a net gain of 31 holders — while 380 added to existing stakes and 356 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $513M. The largest seller was BlackRock, cutting an estimated $344M.

  • 1,014 institutional investors held Biogen (BIIB) as of Q3 2017, up from 992 in Q2 2017.
  • Funds reported $59B of Biogen stock for Q3 2017, up 16% quarter-over-quarter.
  • 99 funds opened new Biogen positions in Q3 2017 and 68 closed out, a net change of +31 holders.
  • The largest Biogen buyer in Q3 2017 was T. Rowe Price Associates, an estimated $513M added.
  • The largest Biogen seller in Q3 2017 was BlackRock, an estimated $344M sold.

Based on aggregated 13F filings for Q3 2017.