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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
MLL
276
Moody Lynn & Lieberson
Massachusetts
$6.76M -$26.6K -103 -0.4%
Los Angeles Capital Management
277
Los Angeles Capital Management
California
$6.68M -$4.98M -19,253 -45%
MPA
278
Marvin & Palmer Associates
Delaware
$6.38M -$71.1K -275 -1%
US Bancorp
279
US Bancorp
Minnesota
$6.26M +$1.87M +7,225 +48%
OSAM
280
O'Shaughnessy Asset Management
Connecticut
$6.2M +$196K +756 +4%
MAM
281
Martingale Asset Management
Massachusetts
$6.18M -$3.53M -13,632 -38%
Natixis Advisors
282
Natixis Advisors
Massachusetts
$6.15M +$262K +1,012 +5%
CAM
283
Capstone Asset Management
Texas
$6.14M -$3.64M -14,075 -39%
DIA
284
Dana Investment Advisors
Wisconsin
$6.11M +$87.4K +338 +2%
FLPIM
285
F.L. Putnam Investment Management
Massachusetts
$6.07M +$243K +940 +5%
WMSA
286
Weiss Multi-Strategy Advisers
New York
$5.99M +$5.25M +20,300 +1,796%
SAM
287
Securian Asset Management
Minnesota
$5.87M -$68.5K -265 -1%
LPL Financial
288
LPL Financial
California
$5.74M -$233K -899 -4%
FP
289
Foundry Partners
Minnesota
$5.74M +$5.31M +20,515 New
Lazard Asset Management
290
Lazard Asset Management
New York
$5.7M -$3.62K -14 -0.1%
ECM
291
Estabrook Capital Management
New York
$5.68M
CIC
292
Chase Investment Counsel
Virginia
$5.66M +$5.23M +20,228 New
Nordea Investment Management
293
Nordea Investment Management
Sweden
$5.62M +$554K +2,143 +12%
SGA
294
Sector Gamma AS
Norway
$5.59M +$5.17M +20,000 New
ACM
295
Azimuth Capital Management
Michigan
$5.59M -$505K -1,952 -9%
TAM
296
Tocqueville Asset Management
New York
$5.5M +$1.85M +7,137 +57%
Two Sigma Investments
297
Two Sigma Investments
New York
$5.5M -$73.9M -285,858 -94%
KRS
298
Kentucky Retirement Systems
Kentucky
$5.46M -$62.1K -240 -1%
RIM
299
RS Investment Management
California
$5.45M +$260K +1,005 +5%
KeyBank National Association
300
KeyBank National Association
Ohio
$5.41M -$18.6K -72 -0.4%

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.