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966 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 133 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

217% more first-time investments, than exits

New positions opened: 133 | Existing positions closed: 42

31% more funds holding in top 10

Funds holding in top 10: 5268 (+16)

25% more capital invested

Capital invested by funds: $72.3B → $90B (+$17.7B)

9% more funds holding

Funds holding: 884966 (+82)

9% less repeat investments, than reductions

Existing positions increased: 336 | Existing positions reduced: 371

35% less call options, than puts

Call options by funds: $1.06B | Put options by funds: $1.64B

Holders
966
Holders Change
+82
Holders Change %
+9.28%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
133
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M
Name Holding Trade Value Shares
Change
Change in
Stake
DADC
401
D.A. Davidson & Co
Montana
$4.98M -$495K -1,256 -10%
DnB Asset Management
402
DnB Asset Management
Norway
$4.94M -$197K -500 -4%
CONA
403
Capital One National Association
New York
$4.91M -$24.8K -63 -0.5%
IHL
404
Investment House LLC
California
$4.9M -$156K -395 -3%
OC
405
Oppenheimer & Co
New York
$4.89M +$408K +1,035 +10%
BCM
406
Barometer Capital Management
Ontario, Canada
$4.8M +$338K +858 +8%
CIBC World Market
407
CIBC World Market
Ontario, Canada
$4.79M +$4.03M +10,236 +920%
HT
408
HAP Trading
New York
$4.73M -$15.3M -38,700 -78%
Brown Advisory
409
Brown Advisory
Maryland
$4.72M -$504K -1,279 -10%
FP
410
Foundry Partners
Minnesota
$4.7M +$4.39M +11,134 New
BRA
411
Bender Robert & Associates
California
$4.66M +$4.35M +11,046 New
DWA
412
Dorsey Wright & Associates
California
$4.6M -$58.7K -149 -1%
FIM
413
Fernwood Investment Management
Massachusetts
$4.59M -$154K -390 -3%
CI
414
Constellation Investments
Ohio
$4.55M +$108K +275 +3%
Teacher Retirement System of Texas
415
Teacher Retirement System of Texas
Texas
$4.54M -$2.28M -5,774 -35%
CIM
416
Calvert Investment Management
Maryland
$4.5M +$510K +1,293 +14%
EIM
417
Essex Investment Management
Massachusetts
$4.45M -$1.87M -4,741 -31%
DL
418
Delta Lloyd
Netherlands
$4.31M -$228K -579 -5%
VIA
419
Vident Investment Advisory
Georgia
$4.31M +$4.02M +10,211 New
ECM
420
Estabrook Capital Management
New York
$4.24M -$78.8K -200 -2%
SFM
421
Sphera Funds Management
Israel
$4.22M -$11.8M -30,000 -75%
FBC
422
Fairfield, Bush & Co
Connecticut
$4.22M
DSI
423
Daiwa SB Investments
Japan
$4.21M +$1.59M +4,042 +68%
NAP
424
New Amsterdam Partners
New York
$4.21M +$7.09K +18 +0.2%
SCM
425
Stevens Capital Management
Pennsylvania
$4.05M +$3.3M +8,371 +688%

BIIB Hedge Fund Activity: Q1 2015 in Review

966 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2015, worth a combined $90B — up 25% from $72.3B a quarter earlier.

Buyers outnumbered sellers: 133 funds opened new BIIB positions and 42 closed out — a net gain of 91 holders — while 336 added to existing stakes and 371 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $888M. The largest seller was T. Rowe Price Associates, cutting an estimated $546M.

  • 966 institutional investors held Biogen (BIIB) as of Q1 2015, up from 884 in Q4 2014.
  • Funds reported $90B of Biogen stock for Q1 2015, up 25% quarter-over-quarter.
  • 133 funds opened new Biogen positions in Q1 2015 and 42 closed out, a net change of +91 holders.
  • The largest Biogen buyer in Q1 2015 was Fidelity Investments, an estimated $888M added.
  • The largest Biogen seller in Q1 2015 was T. Rowe Price Associates, an estimated $546M sold.

Based on aggregated 13F filings for Q1 2015.