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1,010 hedge funds and large institutions have $37.9B invested in Biogen in 2019 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 315 increasing their positions, 452 reducing their positions, and 143 closing their positions.

New
Increased
Maintained
Reduced
Closed

4.2% less ownership

Funds ownership: 87.69%83.49% (-4.2%)

7% less funds holding

Funds holding: 1,0851,010 (-75)

7% less capital invested

Capital invested by funds: $40.8B → $37.9B (-$2.9B)

27% less call options, than puts

Call options by funds: $883M | Put options by funds: $1.2B

27% less funds holding in top 10

Funds holding in top 10: 2216 (-6)

30% less repeat investments, than reductions

Existing positions increased: 315 | Existing positions reduced: 452

41% less first-time investments, than exits

New positions opened: 84 | Existing positions closed: 143

Holders
1,010
Holders Change
-75
Holders Change %
-6.91%
% of All Funds
21.84%
Holding in Top 10
16
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-27.27%
% of All Funds
0.35%
New
84
Increased
315
Reduced
452
Closed
143
Calls
$883M
Puts
$1.2B
Net Calls
-$319M
Net Calls Change
-$187M

BIIB Hedge Fund Activity: Q2 2019 in Review

1,010 of the 4,625 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q2 2019, worth a combined $37.9B — down 7.1% from $40.8B a quarter earlier.

Sellers outnumbered buyers: 143 funds closed out of BIIB and 84 opened new positions — a net loss of 59 holders — while 452 trimmed existing stakes and 315 added.

The largest buyer was D.E. Shaw & Co, adding an estimated $352M. The largest seller was ClearBridge Investments, cutting an estimated $534M.

  • 1,010 institutional investors held Biogen (BIIB) as of Q2 2019, down from 1,085 in Q1 2019.
  • Funds reported $37.9B of Biogen stock for Q2 2019, down 7.1% quarter-over-quarter.
  • 84 funds opened new Biogen positions in Q2 2019 and 143 closed out, a net change of -59 holders.
  • The largest Biogen buyer in Q2 2019 was D.E. Shaw & Co, an estimated $352M added.
  • The largest Biogen seller in Q2 2019 was ClearBridge Investments, an estimated $534M sold.

Based on aggregated 13F filings for Q2 2019.