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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
IAM
201
Impax Asset Management
New Hampshire
$20.5M -$7.37M -22,988 -26%
PIA
202
Piedmont Investment Advisors
North Carolina
$20.4M +$5.88M +18,327 +40%
CWM
203
CIBC World Markets
New York
$20M +$4.66M +14,534 +30%
1832 Asset Management
204
1832 Asset Management
Ontario, Canada
$19.8M -$32.5M -101,186 -62%
EDRH
205
Edmond de Rothschild Holding
Switzerland
$19.8M -$4.96M -15,469 -20%
SOMRS
206
State of Michigan Retirement System
Michigan
$19.7M -$706K -2,200 -3%
Comerica Bank
207
Comerica Bank
Texas
$19.5M -$734K -2,288 -4%
RG
208
Rathbones Group
United Kingdom
$19.4M +$19.3M +60,100 +6,583%
Envestnet Asset Management
209
Envestnet Asset Management
Illinois
$19.1M +$721K +2,246 +4%
Teacher Retirement System of Texas
210
Teacher Retirement System of Texas
Texas
$18.9M -$40.9M -127,378 -68%
FAF
211
Fjarde Ap-fonden
Sweden
$18.7M +$2.72M +8,480 +17%
CCMG
212
Clark Capital Management Group
Pennsylvania
$18.4M +$18.6M +57,846 New
TPSF
213
Texas Permanent School Fund
Texas
$18.4M -$280K -873 -1%
OC
214
Oppenheimer & Co
New York
$18.4M +$355K +1,107 +2%
TB
215
Terril Brothers
Missouri
$18.3M -$111K -347 -0.6%
Cohen & Steers
216
Cohen & Steers
New York
$18.2M +$5.88M +18,340 +47%
BAPIM
217
British Airways Pensions Investment Management
United Kingdom
$17.8M -$7.38M -23,016 -29%
TRSOTSOK
218
Teachers Retirement System of the State of Kentucky
Kentucky
$17.8M -$1.15M -3,581 -6%
PP
219
PDT Partners
New York
$17.6M +$4.04M +12,600 +30%
IG
220
ING Group
Netherlands
$17.5M -$957K -2,983 -5%
Millennium Management
221
Millennium Management
New York
$17.2M -$42.9M -133,645 -71%
OPERF
222
Oregon Public Employees Retirement Fund
Oregon
$17.2M -$826K -2,576 -5%
ASRS
223
Arizona State Retirement System
Arizona
$17.1M +$376K +1,171 +2%
RSCM
224
Rock Springs Capital Management
Maryland
$16.9M
BG
225
Bellevue Group
Switzerland
$16.7M -$2.12M -6,600 -11%

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.