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Biogen
BIIB

1,060 hedge funds and large institutions have $31.7B invested in Biogen in 2020 Q4 according to their latest regulatory filings, with 170 funds opening new positions, 290 increasing their positions, 431 reducing their positions, and 148 closing their positions.

New
Increased
Maintained
Reduced
Closed

21% more call options, than puts

Call options by funds: $1.98B | Put options by funds: $1.64B

15% more first-time investments, than exits

New positions opened: 170 | Existing positions closed: 148

1.02% more ownership

Funds ownership: 83.03% → 84.06% (+1%)

1% more funds holding

Funds holding: 1,051 → 1,060 (+9)

15% less capital invested

Capital invested by funds: $37.2B → $31.7B (-$5.44B)

33% less repeat investments, than reductions

Existing positions increased: 290 | Existing positions reduced: 431

61% less funds holding in top 10

Funds holding in top 10: 18 → 7 (-11)

Holders
1,060
Holders Change
+9
Holders Change %
+0.86%
% of All Funds
18.76%
Holding in Top 10
7
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-61.11%
% of All Funds
0.12%
New
170
Increased
290
Reduced
431
Closed
148
Calls
$1.98B
Puts
$1.64B
Net Calls
+$341M
Net Calls Change
+$456M

Top Buyers

Rank Fund Capital Flow
1
Wellington Management Group
Wellington Management Group
Massachusetts
+$239M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$231M
3
JP Morgan Chase
JP Morgan Chase
New York
+$216M
4
BG
Bellevue Group
Switzerland
+$143M
5
DM
Deerfield Management
New York
+$116M

Top Sellers

Rank Fund Capital Flow
1
AQR Capital Management
AQR Capital Management
Connecticut
-$309M
2
BlackRock
BlackRock
New York
-$269M
3
Renaissance Technologies
Renaissance Technologies
New York
-$201M
4
State Street
State Street
Massachusetts
-$137M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$116M
Name Holding Trade Value Shares
Change 		Change in
Stake
APA
376
American Portfolios Advisors
New York
$2.53M -$1.29K -5 -0%
MCM
377
McKinley Capital Management
Alaska
$2.5M +$2.64M +10,220 New
SMDAM
378
Sumitomo Mitsui DS Asset Management
Japan
$2.47M -$131K -508 -5%
GH
379
GAM Holding
Switzerland
$2.47M -$3.32M -12,874 -56%
NMERB
380
New Mexico Educational Retirement Board
New Mexico
$2.45M -$103K -400 -4%
TCA
381
Taconic Capital Advisors
New York
$2.45M -$10.3M -40,000 -80%
IHAM
382
Integral Health Asset Management
New York
$2.45M +$2.58M +10,000 New
SIM
383
Sentry Investment Management
Wisconsin
$2.44M -$56K -217 -2%
William Blair & Company
384
William Blair & Company
Illinois
$2.44M -$106K -412 -4%
PS
385
Pensionfund Sabic
Netherlands
$2.41M – – –
HM
386
HealthCor Management
New York
$2.34M +$2.47M +9,560 New
S
387
Seeyond
France
$2.3M +$518K +2,007 +27%
SM
388
SG3 Management
Puerto Rico
$2.28M +$2.4M +9,300 New
CA
389
Capitolis Advisors
New York
$2.27M +$2.4M +9,291 New
EF
390
Empirical Finance
Pennsylvania
$2.27M +$67.1K +260 +3%
CIBC World Market
391
CIBC World Market
Ontario, Canada
$2.27M +$1.92M +7,446 +408%
KRS
392
Kentucky Retirement Systems
Kentucky
$2.27M +$1.55K +6 +0.1%
WTC
393
WhitTier Trust Company
Nevada
$2.26M -$11.4K -44 -0.5%
CSS
394
Cubist Systematic Strategies
Connecticut
$2.25M -$225K -874 -9%
ECM
395
ExodusPoint Capital Management
New York
$2.24M +$1.51M +5,872 +178%
QT
396
Quantbot Technologies
New York
$2.24M +$2.36M +9,158 New
CBT
397
Central Bank & Trust
Kentucky
$2.23M +$202K +782 +9%
AB
398
Amalgamated Bank
New York
$2.22M -$75.1K -291 -3%
ECM
399
Estabrook Capital Management
New York
$2.2M – – –
CEI
400
Clark Estates Inc
New York
$2.18M – – –
14 15
16
17 18

BIIB Hedge Fund Activity: Q4 2020 in Review

1,060 of the 5,651 institutional investors tracked by Wall St. Rank reported a position in Biogen (BIIB) for Q4 2020, worth a combined $31.7B — down 15% from $37.2B a quarter earlier.

Buyers outnumbered sellers: 170 funds opened new BIIB positions and 148 closed out — a net gain of 22 holders — while 290 added to existing stakes and 431 trimmed.

The largest buyer was Wellington Management Group, adding an estimated $239M. The largest seller was AQR Capital Management, cutting an estimated $309M.

  • 1,060 institutional investors held Biogen (BIIB) as of Q4 2020, up from 1,051 in Q3 2020.
  • Funds reported $31.7B of Biogen stock for Q4 2020, down 15% quarter-over-quarter.
  • 170 funds opened new Biogen positions in Q4 2020 and 148 closed out, a net change of +22 holders.
  • The largest Biogen buyer in Q4 2020 was Wellington Management Group, an estimated $239M added.
  • The largest Biogen seller in Q4 2020 was AQR Capital Management, an estimated $309M sold.

Based on aggregated 13F filings for Q4 2020.