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776 hedge funds and large institutions have $66.1B invested in Biogen in 2014 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 284 increasing their positions, 294 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

107% more first-time investments, than exits

New positions opened: 95 | Existing positions closed: 46

9% more capital invested

Capital invested by funds: $60.8B → $66.1B (+$5.24B)

5% more funds holding

Funds holding: 738776 (+38)

3% less repeat investments, than reductions

Existing positions increased: 284 | Existing positions reduced: 294

11% less funds holding in top 10

Funds holding in top 10: 3733 (-4)

26% less call options, than puts

Call options by funds: $893M | Put options by funds: $1.2B

Holders
776
Holders Change
+38
Holders Change %
+5.15%
% of All Funds
22.41%
Holding in Top 10
33
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-10.81%
% of All Funds
0.95%
New
95
Increased
284
Reduced
294
Closed
46
Calls
$893M
Puts
$1.2B
Net Calls
-$307M
Net Calls Change
-$449M
Name Holding Trade Value Shares
Change
Change in
Stake
PAS
776
Partnervest Advisory Services
California
$1K -$14.9K -47 -94%
Renaissance Technologies
777
Renaissance Technologies
New York
-$152M -542,338 Closed
PI
778
PGGM Investments
Netherlands
-$50.5M -180,572 Closed
DFO
779
Duquesne Family Office
New York
-$25.6M -91,500 Closed
Voloridge Investment Management
780
Voloridge Investment Management
Florida
-$16.6M -59,447 Closed
PA
781
Perceptive Advisors
New York
-$11.2M -40,000 Closed
ARTA
782
A.R.T. Advisors
New York
-$10M -35,924 Closed
AP
783
Alydar Partners
Massachusetts
-$9.79M -35,000 Closed
Lord, Abbett & Co
784
Lord, Abbett & Co
New Jersey
-$9.42M -33,688 Closed
MSU
785
Mizuho Securities USA
New York
-$7.97M -28,474 Closed
PP
786
Paloma Partners
Connecticut
-$7.85M -28,062 Closed
HM
787
HealthCor Management
New York
-$7.77M -27,800 Closed
Two Sigma Advisers
788
Two Sigma Advisers
New York
-$8.15M -25,669 Closed
SGA
789
Sector Gamma AS
Norway
-$5.59M -20,000 Closed
Two Sigma Investments
790
Two Sigma Investments
New York
-$5.5M -19,658 Closed
BA
791
Bridgewater Associates
Connecticut
-$5.33M -19,057 Closed
PCA
792
Private Capital Advisors
Connecticut
-$4.1M -14,675 Closed
SFP
793
Santa Fe Partners
New Mexico
-$3.04M -10,872 Closed
AL
794
Airain Ltd
Guernsey
-$2.24M -8,003 Closed
JIM
795
Jupiter Investment Management
United Kingdom
-$2.09M -7,465 Closed
Jacobs Levy Equity Management
796
Jacobs Levy Equity Management
New Jersey
-$2.06M -7,380 Closed
CCIA
797
Campbell & Co Investment Adviser
Maryland
-$1.28M -4,598 Closed
VAM
798
Visium Asset Management
New York
-$1.23M -4,400 Closed
TRCT
799
Tower Research Capital (TRC)
New York
-$1.15M -4,128 Closed
TCM
800
Tributary Capital Management
Nebraska
-$979K -3,500 Closed

BIIB Hedge Fund Activity: Q1 2014 in Review

776 of the 3,463 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2014, worth a combined $66.1B — up 8.6% from $60.8B a quarter earlier.

Buyers outnumbered sellers: 95 funds opened new BIIB positions and 46 closed out — a net gain of 49 holders — while 284 added to existing stakes and 294 trimmed.

The largest buyer was Janus Henderson Investors US, adding an estimated $257M. The largest seller was Fidelity Investments, cutting an estimated $672M.

  • 776 institutional investors held Biogen (BIIB) as of Q1 2014, up from 738 in Q4 2013.
  • Funds reported $66.1B of Biogen stock for Q1 2014, up 8.6% quarter-over-quarter.
  • 95 funds opened new Biogen positions in Q1 2014 and 46 closed out, a net change of +49 holders.
  • The largest Biogen buyer in Q1 2014 was Janus Henderson Investors US, an estimated $257M added.
  • The largest Biogen seller in Q1 2014 was Fidelity Investments, an estimated $672M sold.

Based on aggregated 13F filings for Q1 2014.