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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
SAM
376
Symphony Asset Management
California
$2.47M +$374K +1,447 +20%
CTC
377
Central Trust Company
Missouri
$2.47M +$428K +1,654 +23%
NB
378
Norinchukin Bank
Japan
$2.47M -$26.9K -104 -1%
HK
379
Horizon Kinetics
New York
$2.38M -$13.2K -51 -0.6%
USGIU
380
U.S. Global Investors (USGI)
Texas
$2.38M +$1.16M +4,500 +113%
UGIF
381
US Global Investors Funds
Maine
$2.38M +$2.2M +8,500 New
LWCFA
382
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$2.37M +$43.2K +167 +2%
KRSITF
383
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$2.34M -$26.6K -103 -1%
WFM
384
Wilmington Funds Management
Delaware
$2.33M -$396K -1,530 -15%
GA
385
Geneva Advisors
Illinois
$2.3M -$4.93M -19,045 -70%
BP
386
Banyan Partners
Florida
$2.27M +$2.1M +8,101 New
GACM
387
Green Arrow Capital Management
New York
$2.26M +$2.09M +8,093 New
MYLI
388
Meiji Yasuda Life Insurance
Japan
$2.25M +$77.6K +300 +4%
MFS
389
Monetta Financial Services
Illinois
$2.24M
AF
390
Arrow Financial
New York
$2.24M +$129K +500 +7%
AL
391
Airain Ltd
Guernsey
$2.24M +$1.81M +7,003 +700%
PAAMCP
392
Pacific Alternative Asset Management Company (PAAMCO)
California
$2.23M +$2.07M +7,987 New
MERSOM
393
Municipal Employees' Retirement System of Michigan
Michigan
$2.21M
DL
394
Delta Lloyd
Netherlands
$2.15M -$7.11M -27,483 -78%
RBA
395
Richard Bernstein Advisors
New York
$2.11M
JIM
396
Jupiter Investment Management
United Kingdom
$2.09M -$13.1M -50,697 -87%
VKH
397
Virtu KCG Holdings
New York
$2.07M -$70.9K -274 -4%
SI
398
Stephens Inc
Arkansas
$2.07M +$206K +797 +12%
Jacobs Levy Equity Management
399
Jacobs Levy Equity Management
New Jersey
$2.06M +$1.91M +7,380 New
UCFA
400
United Capital Financial Advisors
Texas
$2.01M -$327K -1,263 -15%

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.