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738 hedge funds and large institutions have $60.8B invested in Biogen in 2013 Q4 according to their latest regulatory filings, with 121 funds opening new positions, 247 increasing their positions, 264 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

303% more first-time investments, than exits

New positions opened: 121 | Existing positions closed: 30

54% more funds holding in top 10

Funds holding in top 10: 2437 (+13)

18% more call options, than puts

Call options by funds: $913M | Put options by funds: $771M

16% more capital invested

Capital invested by funds: $52.6B → $60.8B (+$8.27B)

13% more funds holding

Funds holding: 656738 (+82)

6% less repeat investments, than reductions

Existing positions increased: 247 | Existing positions reduced: 264

Holders
738
Holders Change
+82
Holders Change %
+12.5%
% of All Funds
21.42%
Holding in Top 10
37
Holding in Top 10 Change
+13
Holding in Top 10 Change %
+54.17%
% of All Funds
1.07%
New
121
Increased
247
Reduced
264
Closed
30
Calls
$913M
Puts
$771M
Net Calls
+$142M
Net Calls Change
+$212M
Name Holding Trade Value Shares
Change
Change in
Stake
CB
251
Commerce Bank
Missouri
$8.47M -$673K -2,603 -8%
IHM
252
Iguana Healthcare Management
New York
$8.39M +$7.76M +30,000 New
MOACM
253
Mutual of America Capital Management
New York
$8.39M +$55.9K +216 +0.7%
GI
254
GLG Inc
New York
$8.28M -$4.25M -16,425 -36%
LMIM
255
Lockheed Martin Investment Management
Maryland
$8.25M +$7.63M +29,500 New
MWNA
256
Marshall Wace North America
New York
$7.97M +$7.37M +28,487 New
MSU
257
Mizuho Securities USA
New York
$7.97M +$2.06M +7,981 +39%
CEP
258
Chicago Equity Partners
Illinois
$7.9M +$37.5K +145 +0.5%
PP
259
Paloma Partners
Connecticut
$7.85M +$7.26M +28,062 New
HM
260
HealthCor Management
New York
$7.77M +$7.19M +27,800 New
TMAM
261
Tokio Marine Asset Management
Japan
$7.63M -$371K -1,436 -5%
NG
262
NatWest Group
United Kingdom
$7.6M +$1.49M +5,753 +27%
RPAM
263
Rhenman & Partners Asset Management
Sweden
$7.55M +$6.98M +27,000 New
SMDAM
264
Sumitomo Mitsui DS Asset Management
Japan
$7.47M -$547K -2,114 -7%
PI
265
Putnam Investments
Massachusetts
$7.42M +$4.48M +17,336 +188%
PG
266
PEAK6 Group
Illinois
$7.41M -$19.9M -76,782 -74%
OA
267
Outfitter Advisors
Virginia
$7.36M -$128K -495 -2%
Two Sigma Advisers
268
Two Sigma Advisers
New York
$7.18M -$13.2M -51,000 -67%
PPCM
269
Pillar Pacific Capital Management
California
$7.17M +$84.6K +327 +1%
CFG
270
Cambridge Financial Group
Ohio
$7.05M -$917K -3,544 -12%
MIH
271
Madison Investment Holdings
Wisconsin
$7.02M -$1.51M -5,823 -19%
AAM
272
Aberdeen Asset Management
United Kingdom
$6.96M
NI
273
Numeric Investors
Massachusetts
$6.93M +$6.41M +24,790 New
Connor, Clark & Lunn Investment Management (CC&L)
274
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$6.92M +$990K +3,828 +20%
BPC
275
Banque Pictet & Cie
Switzerland
$6.91M +$6.39M +24,702 New

BIIB Hedge Fund Activity: Q4 2013 in Review

738 of the 3,446 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q4 2013, worth a combined $60.8B — up 16% from $52.6B a quarter earlier.

Buyers outnumbered sellers: 121 funds opened new BIIB positions and 30 closed out — a net gain of 91 holders — while 247 added to existing stakes and 264 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $213M. The largest seller was JP Morgan Chase, cutting an estimated $493M.

  • 738 institutional investors held Biogen (BIIB) as of Q4 2013, up from 656 in Q3 2013.
  • Funds reported $60.8B of Biogen stock for Q4 2013, up 16% quarter-over-quarter.
  • 121 funds opened new Biogen positions in Q4 2013 and 30 closed out, a net change of +91 holders.
  • The largest Biogen buyer in Q4 2013 was T. Rowe Price Associates, an estimated $213M added.
  • The largest Biogen seller in Q4 2013 was JP Morgan Chase, an estimated $493M sold.

Based on aggregated 13F filings for Q4 2013.