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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
Tudor Investment Corp
551
Tudor Investment Corp
Connecticut
$494K +$69.1K +267 +18%
AWM
552
Altavista Wealth Management
North Carolina
$485K -$120K -465 -21%
DCM
553
Dynamic Capital Management
Jersey
$475K +$440K +1,700 New
PCM
554
Prelude Capital Management
New York
$458K -$2.59K -10 -0.6%
ARMT
555
Amica Retiree Medical Trust
Rhode Island
$452K +$418K +1,617 New
Verition Fund Management
556
Verition Fund Management
Connecticut
$450K -$215K -830 -34%
BC
557
Brinker Capital
Pennsylvania
$449K -$33.1K -128 -7%
RSS
558
Rosenblum Silverman Sutton
California
$449K +$15.5K +60 +4%
GIA
559
Granite Investment Advisors
New Hampshire
$448K -$11.9K -46 -3%
QIM
560
Quantitative Investment Management
Virginia
$447K -$4.89M -18,900 -92%
FSA
561
Franklin Street Advisors
North Carolina
$447K
ACM
562
Alta Capital Management
Utah
$442K
OA
563
OFI Advisors
Pennsylvania
$439K +$19.9K +77 +5%
CB
564
Chemical Bank
Michigan
$434K
GCC
565
Guardian Capital (Canada)
Ontario, Canada
$432K +$400K +1,546 New
NPC
566
National Planning Corporation
California
$427K -$25.9K -100 -6%
SIM
567
SSI Investment Management
California
$423K
SWM
568
SVA Wealth Management
Wisconsin
$419K +$388K +1,500 New
TCM
569
Tran Capital Management
California
$419K +$388K +1,500 New
PP
570
Prudential plc
United Kingdom
$417K
AAMU
571
Amundi Asset Management US
Massachusetts
$413K -$77.3K -299 -17%
FWCM
572
First Western Capital Management
California
$410K +$379K +1,465 New
WPC
573
Waters Parkerson & Co
Louisiana
$405K +$16K +62 +4%
Rafferty Asset Management
574
Rafferty Asset Management
New York
$404K +$373K +1,444 New
CC
575
Courier Capital
New York
$394K -$2.85K -11 -0.8%

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.