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656 hedge funds and large institutions have $52.6B invested in Biogen in 2013 Q3 according to their latest regulatory filings, with 73 funds opening new positions, 227 increasing their positions, 253 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

35% more first-time investments, than exits

New positions opened: 73 | Existing positions closed: 54

11% more capital invested

Capital invested by funds: $47.5B → $52.6B (+$5.11B)

2% more funds holding

Funds holding: 646656 (+10)

10% less call options, than puts

Call options by funds: $619M | Put options by funds: $689M

10% less repeat investments, than reductions

Existing positions increased: 227 | Existing positions reduced: 253

17% less funds holding in top 10

Funds holding in top 10: 2924 (-5)

Holders
656
Holders Change
+10
Holders Change %
+1.55%
% of All Funds
21.27%
Holding in Top 10
24
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-17.24%
% of All Funds
0.78%
New
73
Increased
227
Reduced
253
Closed
54
Calls
$619M
Puts
$689M
Net Calls
-$69.9M
Net Calls Change
+$9.03M
Name Holding Trade Value Shares
Change
Change in
Stake
GA
251
Geneva Advisors
Illinois
$6.56M +$3.23M +14,440 +113%
OA
252
Outfitter Advisors
Virginia
$6.45M -$31.3K -140 -0.5%
OPERF
253
Oregon Public Employees Retirement Fund
Oregon
$6.26M -$111K -498 -2%
CBOA
254
Commonwealth Bank of Australia
Australia
$6.11M -$157K -700 -3%
PPCM
255
Pillar Pacific Capital Management
California
$6.1M -$44.8K -200 -0.8%
IA
256
Icon Advisers
Colorado
$6.04M
AAM
257
Aberdeen Asset Management
United Kingdom
$6.04M -$533K -2,380 -9%
MLL
258
Moody Lynn & Lieberson
Massachusetts
$5.85M +$5.43M +24,283 New
FCBT
259
First Citizens Bank & Trust
North Carolina
$5.84M -$128K -573 -2%
WBC
260
Westpac Banking Corp
Australia
$5.61M +$750K +3,350 +17%
MPA
261
Marvin & Palmer Associates
Delaware
$5.56M -$2.06M -9,200 -29%
ACM
262
Azimuth Capital Management
Michigan
$5.28M +$31.1K +139 +0.6%
DIA
263
Dana Investment Advisors
Wisconsin
$5.18M +$4.82M +21,526 New
NG
264
NatWest Group
United Kingdom
$5.16M -$8.04M -35,929 -63%
OSAM
265
O'Shaughnessy Asset Management
Connecticut
$5.16M +$2.85M +12,741 +147%
LPL Financial
266
LPL Financial
California
$5.12M +$901K +4,024 +23%
SAM
267
Securian Asset Management
Minnesota
$5.12M +$89.5K +400 +2%
LSA
268
L & S Advisors
California
$5.11M +$1.35M +6,046 +40%
Natixis Advisors
269
Natixis Advisors
Massachusetts
$5.05M +$126K +562 +3%
FLPIM
270
F.L. Putnam Investment Management
Massachusetts
$5M
William Blair & Company
271
William Blair & Company
Illinois
$4.99M +$82.1K +367 +2%
QIM
272
Quantitative Investment Management
Virginia
$4.93M +$2.93M +13,100 +177%
MSU
273
Mizuho Securities USA
New York
$4.93M -$788K -3,520 -15%
Lazard Asset Management
274
Lazard Asset Management
New York
$4.91M
ECM
275
Estabrook Capital Management
New York
$4.89M

BIIB Hedge Fund Activity: Q3 2013 in Review

656 of the 3,084 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q3 2013, worth a combined $52.6B — up 11% from $47.5B a quarter earlier.

Buyers outnumbered sellers: 73 funds opened new BIIB positions and 54 closed out — a net gain of 19 holders — while 227 added to existing stakes and 253 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $473M. The largest seller was Marsico Capital Management, cutting an estimated $251M.

  • 656 institutional investors held Biogen (BIIB) as of Q3 2013, up from 646 in Q2 2013.
  • Funds reported $52.6B of Biogen stock for Q3 2013, up 11% quarter-over-quarter.
  • 73 funds opened new Biogen positions in Q3 2013 and 54 closed out, a net change of +19 holders.
  • The largest Biogen buyer in Q3 2013 was Fidelity Investments, an estimated $473M added.
  • The largest Biogen seller in Q3 2013 was Marsico Capital Management, an estimated $251M sold.

Based on aggregated 13F filings for Q3 2013.