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1,019 hedge funds and large institutions have $51.5B invested in Biogen in 2017 Q1 according to their latest regulatory filings, with 90 funds opening new positions, 390 increasing their positions, 395 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

8% more first-time investments, than exits

New positions opened: 90 | Existing positions closed: 83

0.03% more ownership

Funds ownership: 87.15%87.17% (+0.03%)

1% less funds holding

Funds holding: 1,0251,019 (-6)

1% less repeat investments, than reductions

Existing positions increased: 390 | Existing positions reduced: 395

4% less capital invested

Capital invested by funds: $53.8B → $51.5B (-$2.28B)

25% less call options, than puts

Call options by funds: $808M | Put options by funds: $1.07B

34% less funds holding in top 10

Funds holding in top 10: 4127 (-14)

Holders
1,019
Holders Change
-6
Holders Change %
-0.59%
% of All Funds
25.37%
Holding in Top 10
27
Holding in Top 10 Change
-14
Holding in Top 10 Change %
-34.15%
% of All Funds
0.67%
New
90
Increased
390
Reduced
395
Closed
83
Calls
$808M
Puts
$1.07B
Net Calls
-$265M
Net Calls Change
-$42.8M
Name Holding Trade Value Shares
Change
Change in
Stake
HTHT
1101
Hemenway Trust Hemenway Trust
New Hampshire
-$2K -8 Closed
JT
1102
Jump Trading
Illinois
-$2K -8 Closed
WB
1103
Webster Bank
Connecticut
-$2K -6 Closed

BIIB Hedge Fund Activity: Q1 2017 in Review

1,019 of the 4,017 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q1 2017, worth a combined $51.5B — down 4.2% from $53.8B a quarter earlier.

Buyers outnumbered sellers: 90 funds opened new BIIB positions and 83 closed out — a net gain of 7 holders — while 390 added to existing stakes and 395 trimmed.

The largest buyer was BlackRock, adding an estimated $4.83B. The largest seller was Fidelity Investments, cutting an estimated $752M.

  • 1,019 institutional investors held Biogen (BIIB) as of Q1 2017, down from 1,025 in Q4 2016.
  • Funds reported $51.5B of Biogen stock for Q1 2017, down 4.2% quarter-over-quarter.
  • 90 funds opened new Biogen positions in Q1 2017 and 83 closed out, a net change of +7 holders.
  • The largest Biogen buyer in Q1 2017 was BlackRock, an estimated $4.83B added.
  • The largest Biogen seller in Q1 2017 was Fidelity Investments, an estimated $752M sold.

Based on aggregated 13F filings for Q1 2017.