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Alnylam Pharmaceuticals

476 hedge funds and large institutions have $24B invested in Alnylam Pharmaceuticals in 2023 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 173 increasing their positions, 170 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

22% more call options, than puts

Call options by funds: $194M | Put options by funds: $159M

2% more repeat investments, than reductions

Existing positions increased: 173 | Existing positions reduced: 170

0% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 54

0.78% less ownership

Funds ownership: 97.14%96.36% (-0.78%)

2% less funds holding

Funds holding: 487476 (-11)

15% less capital invested

Capital invested by funds: $28.3B → $24B (-$4.38B)

64% less funds holding in top 10

Funds holding in top 10: 145 (-9)

Holders
476
Holders Change
-11
Holders Change %
-2.26%
% of All Funds
7.59%
Holding in Top 10
5
Holding in Top 10 Change
-9
Holding in Top 10 Change %
-64.29%
% of All Funds
0.08%
New
54
Increased
173
Reduced
170
Closed
54
Calls
$194M
Puts
$159M
Net Calls
+$34.8M
Net Calls Change
-$48M
Name Holding Trade Value Shares
Change
Change in
Stake
Capital World Investors
1
Capital World Investors
California
$3.3B +$18.1M +85,926 +0.5%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.64B -$71.7M -341,248 -3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.33B +$21.2M +101,051 +0.9%
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$1.73B -$162M -768,730 -8%
BlackRock
5
BlackRock
New York
$1.71B +$12.5M +59,582 +0.7%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.23B -$16.9M -80,309 -1%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$796M -$21.3M -101,268 -2%
Dodge & Cox
8
Dodge & Cox
California
$780M -$146M -696,247 -15%
JP Morgan Chase
9
JP Morgan Chase
New York
$620M -$6.93M -32,960 -1%
T. Rowe Price Investment Management
10
T. Rowe Price Investment Management
Maryland
$607M -$36.1M -171,972 -5%
State Street
11
State Street
Massachusetts
$572M +$14.4M +68,339 +2%
Capital Research Global Investors
12
Capital Research Global Investors
California
$489M +$338M +1,607,479 +193%
Capital International Investors
13
Capital International Investors
California
$447M +$47.1M +223,968 +11%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$348M +$10.1M +48,186 +3%
RI
15
RTW Investments
New York
$337M
Norges Bank
16
Norges Bank
Norway
$305M +$107M +508,566 +50%
Morgan Stanley
17
Morgan Stanley
New York
$247M -$33.6M -159,825 -11%
ACA
18
Avoro Capital Advisors
New York
$221M
BG
19
Bellevue Group
Switzerland
$177M -$7.98M -37,963 -4%
Bank of America
20
Bank of America
North Carolina
$154M +$98.4M +467,996 +154%
Massachusetts Financial Services
21
Massachusetts Financial Services
Massachusetts
$153M +$2.15M +10,230 +1%
Northern Trust
22
Northern Trust
Illinois
$153M +$2.53M +12,045 +2%
Legal & General Group
23
Legal & General Group
United Kingdom
$146M -$280K -1,333 -0.2%
UBS AM
24
UBS AM
Illinois
$135M +$3.35M +15,958 +2%
Loomis, Sayles & Company
25
Loomis, Sayles & Company
Massachusetts
$132M -$11.4M -54,330 -8%

ALNY Hedge Fund Activity: Q1 2023 in Review

476 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Alnylam Pharmaceuticals (ALNY) for Q1 2023, worth a combined $24B — down 15% from $28.3B a quarter earlier.

Fund positioning in ALNY was balanced in Q1 2023: 54 funds opened new positions, 54 closed out, 173 added to existing stakes and 170 trimmed.

The largest buyer was Capital Research Global Investors, adding an estimated $338M. The largest seller was Baillie Gifford & Co, cutting an estimated $162M.

  • 476 institutional investors held Alnylam Pharmaceuticals (ALNY) as of Q1 2023, down from 487 in Q4 2022.
  • Funds reported $24B of Alnylam Pharmaceuticals stock for Q1 2023, down 15% quarter-over-quarter.
  • 54 funds opened new Alnylam Pharmaceuticals positions in Q1 2023 and 54 closed out, a net change of 0 holders.
  • The largest Alnylam Pharmaceuticals buyer in Q1 2023 was Capital Research Global Investors, an estimated $338M added.
  • The largest Alnylam Pharmaceuticals seller in Q1 2023 was Baillie Gifford & Co, an estimated $162M sold.

Based on aggregated 13F filings for Q1 2023.