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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
BA
301
Bridgewater Associates
Connecticut
$5.33M +$3.33M +12,883 +209%
LSERS
302
Louisiana State Employees Retirement System
Louisiana
$5.31M +$4.91M +19,000 New
AMI
303
Amica Mutual Insurance
Rhode Island
$5.19M
HHC
304
Hutchin Hill Capital
New York
$4.98M +$4.6M +17,800 New
SGAM
305
Smith Group Asset Management
Texas
$4.93M
RCM
306
Riverhead Capital Management
Delaware
$4.8M +$1.34M +5,182 +43%
CIBC World Market
307
CIBC World Market
Ontario, Canada
$4.75M +$1.58M +6,091 +56%
AAM
308
Advisors Asset Management
Colorado
$4.68M -$310K -1,199 -7%
SLI
309
Sumitomo Life Insurance
Japan
$4.66M -$615K -2,378 -12%
PSUF
310
People's United Financial
Connecticut
$4.57M +$718K +2,776 +20%
SBH
311
Segall Bryant & Hamill
Illinois
$4.5M +$41.4K +160 +1%
PI
312
PineBridge Investments
New York
$4.5M -$676K -2,612 -14%
GTC
313
Ghost Tree Capital
New York
$4.47M +$4.14M +16,000 New
AIP
314
Ameritas Investment Partners
Nebraska
$4.46M +$1.16M +4,486 +39%
AT
315
Arden Trust
Delaware
$4.28M -$429K -1,658 -10%
GCP
316
GSA Capital Partners
United Kingdom
$4.24M +$2.9M +11,225 +285%
TH
317
Timber Hill
Connecticut
$4.24M -$5.18M -20,009 -57%
B
318
BP
United Kingdom
$4.2M +$3.88M +15,000 New
V
319
Veritable
Delaware
$4.16M +$38.3K +148 +1%
PCA
320
Private Capital Advisors
Connecticut
$4.1M +$2.76M +10,675 +267%
BTS
321
BB&T Securities
Virginia
$3.97M +$59.2K +229 +19%
MCM
322
Matterhorn Capital Management
Texas
$3.9M -$1.81K -7 -0.1%
EIM
323
Essex Investment Management
Massachusetts
$3.89M +$3.14M +12,141 +690%
FIM
324
Fernwood Investment Management
Massachusetts
$3.85M +$3.56M +13,765 New
Parallax Volatility Advisers
325
Parallax Volatility Advisers
California
$3.84M +$3.55M +13,738 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.