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992 hedge funds and large institutions have $50.9B invested in Biogen in 2017 Q2 according to their latest regulatory filings, with 79 funds opening new positions, 351 increasing their positions, 391 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.6% more ownership

Funds ownership: 87.17%87.77% (+0.6%)

1% less capital invested

Capital invested by funds: $51.5B → $50.9B (-$593M)

3% less funds holding

Funds holding: 1,019992 (-27)

10% less repeat investments, than reductions

Existing positions increased: 351 | Existing positions reduced: 391

15% less funds holding in top 10

Funds holding in top 10: 2723 (-4)

16% less call options, than puts

Call options by funds: $954M | Put options by funds: $1.14B

18% less first-time investments, than exits

New positions opened: 79 | Existing positions closed: 96

Holders
992
Holders Change
-27
Holders Change %
-2.65%
% of All Funds
24.73%
Holding in Top 10
23
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-14.81%
% of All Funds
0.57%
New
79
Increased
351
Reduced
391
Closed
96
Calls
$954M
Puts
$1.14B
Net Calls
-$182M
Net Calls Change
+$82.6M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$4.91B +$110M +415,099 +2%
Primecap Management
2
Primecap Management
California
$4.18B -$22.7M -86,023 -0.6%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.94B +$48.2M +182,337 +1%
State Street
4
State Street
Massachusetts
$2.64B +$37.3M +140,929 +1%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.52B +$45.7M +172,875 +2%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$2.43B +$220M +830,591 +10%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$1.66B +$148M +561,436 +10%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.42B -$128M -483,875 -8%
Invesco
9
Invesco
Georgia
$934M -$184M -696,208 -17%
Northern Trust
10
Northern Trust
Illinois
$819M +$59.1M +223,371 +8%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$656M +$12.5M +47,351 +2%
AllianceBernstein
12
AllianceBernstein
Tennessee
$652M -$141M -533,572 -18%
JP Morgan Chase
13
JP Morgan Chase
New York
$618M -$355M -1,341,260 -37%
JSP
14
Jackson Square Partners
California
$558M -$37.1M -140,293 -6%
Norges Bank
15
Norges Bank
Norway
$547M -$23.6M -89,357 -4%
Bank of America
16
Bank of America
North Carolina
$544M -$44.7M -168,992 -8%
TCIM
17
TIAA CREF Investment Management
New York
$517M +$113M +426,821 +29%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$509M -$42.9M -162,389 -8%
Massachusetts Financial Services
19
Massachusetts Financial Services
Massachusetts
$499M +$129M +487,418 +36%
Goldman Sachs
20
Goldman Sachs
New York
$470M -$1.41M -5,349 -0.3%
Ameriprise
21
Ameriprise
Minnesota
$464M -$43.5M -164,519 -9%
Deutsche Bank
22
Deutsche Bank
Germany
$452M +$18.4M +69,431 +4%
O
23
OrbiMed
New York
$442M +$51.1M +193,100 +13%
Janus Henderson Group
24
Janus Henderson Group
United Kingdom
$392M +$374M +1,414,707 +4,585%
Franklin Resources
25
Franklin Resources
California
$384M -$91.8M -346,987 -20%

BIIB Hedge Fund Activity: Q2 2017 in Review

992 of the 4,011 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q2 2017, worth a combined $50.9B — down 1.2% from $51.5B a quarter earlier.

Sellers outnumbered buyers: 96 funds closed out of BIIB and 79 opened new positions — a net loss of 17 holders — while 391 trimmed existing stakes and 351 added.

The largest buyer was Janus Henderson Group, adding an estimated $374M. The largest seller was JP Morgan Chase, cutting an estimated $355M.

  • 992 institutional investors held Biogen (BIIB) as of Q2 2017, down from 1,019 in Q1 2017.
  • Funds reported $50.9B of Biogen stock for Q2 2017, down 1.2% quarter-over-quarter.
  • 79 funds opened new Biogen positions in Q2 2017 and 96 closed out, a net change of -17 holders.
  • The largest Biogen buyer in Q2 2017 was Janus Henderson Group, an estimated $374M added.
  • The largest Biogen seller in Q2 2017 was JP Morgan Chase, an estimated $355M sold.

Based on aggregated 13F filings for Q2 2017.