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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
DSI
301
Daiwa SB Investments
Japan
$3.19M -$383K -1,710 -11%
FMBTD
302
First Midwest Bank Trust Division
Illinois
$3.13M -$53.7K -240 -2%
WT
303
Whittier Trust
California
$3.09M +$21K +94 +0.7%
IHL
304
Investment House LLC
California
$3.06M +$61.5K +275 +2%
M&T Bank
305
M&T Bank
New York
$3.06M -$492K -2,200 -15%
CBT
306
Central Bank & Trust
Kentucky
$3.05M +$140K +625 +5%
TAM
307
Tocqueville Asset Management
New York
$3.02M +$791K +3,533 +39%
BF
308
BOK Financial
Oklahoma
$3.02M -$842K -3,762 -23%
TCM
309
Twin Capital Management
Pennsylvania
$2.98M +$145K +650 +6%
CONA
310
Capital One National Association
New York
$2.94M +$141K +630 +5%
RCM
311
Riverhead Capital Management
Delaware
$2.89M
BTS
312
BB&T Securities
Virginia
$2.87M +$43.6K +195 +20%
LI
313
LMCG Investments
Massachusetts
$2.86M -$2.01K -9 -0.1%
GMIM
314
General Motors Investment Management
New York
$2.84M +$1.1M +4,904 +71%
HIM
315
Hermes Investment Management
United Kingdom
$2.84M +$356K +1,591 +16%
Citadel Advisors
316
Citadel Advisors
Florida
$2.81M +$1.8M +8,053 +223%
OIM
317
Oracle Investment Management
Connecticut
$2.79M
SCM
318
Stux Capital Management
New York
$2.77M -$291K -1,300 -10%
Commonwealth Equity Services
319
Commonwealth Equity Services
Massachusetts
$2.77M +$150K +670 +6%
AIP
320
Ameritas Investment Partners
Nebraska
$2.75M +$1.31M +5,847 +104%
AW
321
ACG Wealth
Georgia
$2.68M -$386K -1,725 -13%
CIBC World Market
322
CIBC World Market
Ontario, Canada
$2.63M +$268K +1,199 +12%
SFP
323
Santa Fe Partners
New Mexico
$2.59M +$2.41M +10,769 New
APFBOT
324
Amica Pension Fund Board of Trustees
Rhode Island
$2.59M
WT
325
Wilmington Trust
Delaware
$2.58M +$51.3K +229 +2%

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.