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Alnylam Pharmaceuticals

433 hedge funds and large institutions have $18.6B invested in Alnylam Pharmaceuticals in 2021 Q4 according to their latest regulatory filings, with 76 funds opening new positions, 157 increasing their positions, 131 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

90% more first-time investments, than exits

New positions opened: 76 | Existing positions closed: 40

32% more call options, than puts

Call options by funds: $249M | Put options by funds: $189M

20% more repeat investments, than reductions

Existing positions increased: 157 | Existing positions reduced: 131

7% more funds holding

Funds holding: 403433 (+30)

0.24% less ownership

Funds ownership: 93.95%93.7% (-0.24%)

11% less capital invested

Capital invested by funds: $21B → $18.6B (-$2.35B)

22% less funds holding in top 10

Funds holding in top 10: 97 (-2)

Holders
433
Holders Change
+30
Holders Change %
+7.44%
% of All Funds
6.66%
Holding in Top 10
7
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-22.22%
% of All Funds
0.11%
New
76
Increased
157
Reduced
131
Closed
40
Calls
$249M
Puts
$189M
Net Calls
+$59.8M
Net Calls Change
-$76.6M
Name Holding Trade Value Shares
Change
Change in
Stake
Artisan Partners
51
Artisan Partners
Wisconsin
$40.6M -$678K -3,648 -2%
Amundi
52
Amundi
France
$37.6M -$1.14M -6,114 -2%
Axa
53
Axa
France
$36.2M +$9.72M +52,272 +32%
Franklin Resources
54
Franklin Resources
California
$35.7M +$11.3M +60,652 +41%
California State Teachers Retirement System (CalSTRS)
55
California State Teachers Retirement System (CalSTRS)
California
$35.6M +$807K +4,340 +2%
PPA
56
Parametric Portfolio Associates
Washington
$34.9M -$528K -2,839 -1%
TCM
57
Tekla Capital Management
Massachusetts
$32.2M
Handelsbanken Fonder
58
Handelsbanken Fonder
Sweden
$31.8M +$31.2M +167,700 +834%
New York State Common Retirement Fund
59
New York State Common Retirement Fund
New York
$31.8M +$1.25M +6,717 +4%
Dimensional Fund Advisors
60
Dimensional Fund Advisors
Texas
$30.4M -$1.51M -8,103 -4%
RPAM
61
Rhenman & Partners Asset Management
Sweden
$29.9M +$13.9M +75,000 +75%
National Pension Service
62
National Pension Service
South Korea
$29.8M -$987K -5,310 -3%
Assenagon Asset Management
63
Assenagon Asset Management
Luxembourg
$29.6M -$29.7M -159,846 -48%
State Board of Administration of Florida Retirement System
64
State Board of Administration of Florida Retirement System
Florida
$25.1M -$389K -2,091 -1%
Susquehanna International Group
65
Susquehanna International Group
Pennsylvania
$24.2M +$18.3M +98,562 +222%
Adage Capital Partners
66
Adage Capital Partners
Massachusetts
$22.4M +$24.6M +132,300 New
HighTower Advisors
67
HighTower Advisors
Illinois
$22M +$22.9M +123,016 +1,853%
IBT
68
International Biotechnology Trust
United Kingdom
$21.7M +$9.85M +53,000 +71%
RhumbLine Advisers
69
RhumbLine Advisers
Massachusetts
$20.3M +$692K +3,723 +3%
CIBC Private Wealth Group
70
CIBC Private Wealth Group
Georgia
$20.1M -$166K -893 -0.7%
Jane Street
71
Jane Street
New York
$19.7M +$18.7M +100,355 +643%
EHI
72
Eagle Health Investments
Connecticut
$19.3M +$4.39M +23,600 +26%
CS
73
Credit Suisse
Switzerland
$19.3M -$8.21M -44,147 -28%
N
74
Natixis
France
$17.6M +$287K +1,546 +2%
VanEck Associates
75
VanEck Associates
New York
$16.7M +$1.1M +5,913 +6%

ALNY Hedge Fund Activity: Q4 2021 in Review

433 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Alnylam Pharmaceuticals (ALNY) for Q4 2021, worth a combined $18.6B — down 11% from $21B a quarter earlier.

Buyers outnumbered sellers: 76 funds opened new ALNY positions and 40 closed out — a net gain of 36 holders — while 157 added to existing stakes and 131 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $123M. The largest seller was BlackRock, cutting an estimated $232M.

  • 433 institutional investors held Alnylam Pharmaceuticals (ALNY) as of Q4 2021, up from 403 in Q3 2021.
  • Funds reported $18.6B of Alnylam Pharmaceuticals stock for Q4 2021, down 11% quarter-over-quarter.
  • 76 funds opened new Alnylam Pharmaceuticals positions in Q4 2021 and 40 closed out, a net change of +36 holders.
  • The largest Alnylam Pharmaceuticals buyer in Q4 2021 was T. Rowe Price Associates, an estimated $123M added.
  • The largest Alnylam Pharmaceuticals seller in Q4 2021 was BlackRock, an estimated $232M sold.

Based on aggregated 13F filings for Q4 2021.