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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
QI
151
QS Investors
New York
$54M -$6.86M -17,401 -12%
Victory Capital Management
152
Victory Capital Management
Texas
$53.5M -$7.11M -18,037 -12%
PNC Financial Services Group
153
PNC Financial Services Group
Pennsylvania
$53.1M +$8.38M +21,271 +20%
DDC
154
DF Dent & Co
Maryland
$52.3M +$108K +274 +0.2%
KBC Group
155
KBC Group
Belgium
$52M -$5.89M -14,952 -11%
VOYA Investment Management
156
VOYA Investment Management
Georgia
$50.1M +$1.17M +2,970 +3%
Asset Management One
157
Asset Management One
Japan
$48.6M +$1.67M +4,241 +4%
SG Americas Securities
158
SG Americas Securities
New York
$48.4M -$24.4M -61,806 -35%
EA
159
Euclid Advisors
Connecticut
$48.2M +$31.3M +79,450 +228%
Public Employees Retirement Association of Colorado
160
Public Employees Retirement Association of Colorado
Colorado
$47.4M -$226K -574 -0.5%
Janus Henderson Group
161
Janus Henderson Group
United Kingdom
$47.2M +$4.89M +12,396 +12%
Jacobs Levy Equity Management
162
Jacobs Levy Equity Management
New Jersey
$46.7M +$5.31M +13,466 +14%
ACM
163
Atlanta Capital Management
Georgia
$46.7M +$17.8M +45,199 +69%
FMI
164
Factory Mutual Insurance
Massachusetts
$45.9M -$1.1M -2,800 -3%
Citadel Advisors
165
Citadel Advisors
Florida
$45.2M +$9.7M +24,602 +30%
AIG
166
American International Group
New York
$45.1M +$698K +1,770 +2%
CCMH
167
Cornerstone Capital Management Holdings
New York
$44.9M +$731K +1,854 +2%
AII
168
AGF Investments Inc
Ontario, Canada
$43.8M +$40.9M +103,786 New
Caisse de Depot et Placement du Quebec (CDPQ)
169
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$43.7M -$4.34M -11,000 -10%
AAM
170
Aberdeen Asset Management
United Kingdom
$42.8M -$2.27M -5,765 -5%
TL
171
Tirschwell & Loewy
New York
$41.9M -$3.17M -8,040 -7%
RG
172
Redmile Group
California
$41.3M +$21.5M +54,600 +127%
ACP
173
Ashfield Capital Partners
California
$40.5M -$7.53M -19,102 -17%
CWM
174
CIBC World Markets
New York
$40.1M
RIM
175
Rainier Investment Management
Washington
$39.7M -$30.3M -76,950 -45%

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.