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989 hedge funds and large institutions have $37.3B invested in Biogen in 2019 Q3 according to their latest regulatory filings, with 79 funds opening new positions, 318 increasing their positions, 417 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed

6% more funds holding in top 10

Funds holding in top 10: 1617 (+1)

3.35% more ownership

Funds ownership: 83.49%86.84% (+3.4%)

2% less capital invested

Capital invested by funds: $37.9B → $37.3B (-$575M)

2% less funds holding

Funds holding: 1,010989 (-21)

16% less first-time investments, than exits

New positions opened: 79 | Existing positions closed: 94

23% less call options, than puts

Call options by funds: $1.07B | Put options by funds: $1.38B

24% less repeat investments, than reductions

Existing positions increased: 318 | Existing positions reduced: 417

Holders
989
Holders Change
-21
Holders Change %
-2.08%
% of All Funds
21.62%
Holding in Top 10
17
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+6.25%
% of All Funds
0.37%
New
79
Increased
318
Reduced
417
Closed
94
Calls
$1.07B
Puts
$1.38B
Net Calls
-$312M
Net Calls Change
+$6.8M

BIIB Hedge Fund Activity: Q3 2019 in Review

989 of the 4,574 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q3 2019, worth a combined $37.3B — down 1.5% from $37.9B a quarter earlier.

Sellers outnumbered buyers: 94 funds closed out of BIIB and 79 opened new positions — a net loss of 15 holders — while 417 trimmed existing stakes and 318 added.

The largest buyer was Renaissance Technologies, adding an estimated $405M. The largest seller was Capital World Investors, cutting an estimated $192M.

  • 989 institutional investors held Biogen (BIIB) as of Q3 2019, down from 1,010 in Q2 2019.
  • Funds reported $37.3B of Biogen stock for Q3 2019, down 1.5% quarter-over-quarter.
  • 79 funds opened new Biogen positions in Q3 2019 and 94 closed out, a net change of -15 holders.
  • The largest Biogen buyer in Q3 2019 was Renaissance Technologies, an estimated $405M added.
  • The largest Biogen seller in Q3 2019 was Capital World Investors, an estimated $192M sold.

Based on aggregated 13F filings for Q3 2019.