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Alnylam Pharmaceuticals
ALNY

Overview Fund Activity

431 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, 129 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
431
Holders Change
+30
Holders Change %
+7.48%
% 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
129
Closed
40
Calls
$249M
Puts
$189M
Net Calls
+$59.7M
Net Calls Change
-$76.6M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$1.11B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$504M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
$85M
4
FCM
Farallon Capital Management
California
$202M
5
RI
RTW Investments
New York
$335M

Top Sellers

1
BlackRock
BlackRock
New York
$1.3B
2
Morgan Stanley
Morgan Stanley
New York
$181M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$1.16B
4
Alkeon Capital Management
Alkeon Capital Management
New York
$0
5
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$7.12M
Name Holding Trade Value Shares
Change 		Shares
Change %
Impax Asset Management Group
251
Impax Asset Management Group
United Kingdom
$642K -$2.12M -12,521 -77%
Walleye Capital
252
Walleye Capital
New York
$640K +$17.6K +104 +3%
DC
253
Davenport & Co
Virginia
$628K +$48.8K +288 +8%
Wolverine Trading
254
Wolverine Trading
Illinois
$620K +$253K +1,482 +69%
AAM
255
Advisors Asset Management
Colorado
$618K -$8.31K -49 -1%
SPAS
256
Spectrum Planning & Advisory Services
California
$616K – – –
M&T Bank
257
M&T Bank
New York
$608K +$2.54K +15 +0.4%
Qube Research & Technologies (QRT)
258
Qube Research & Technologies (QRT)
United Kingdom
$598K -$7.01M -41,372 -92%
SMH
259
Sanders Morris Harris
Texas
$596K – – –
CBB
260
Citizens Business Bank
California
$594K – – –
A
261
Astrantus
Cyprus
$580K +$580K +3,420 New
KCM
262
Kornitzer Capital Management
Kansas
$570K – – –
PAM
263
Panagora Asset Management
Massachusetts
$567K -$452K -2,667 -44%
Walleye Trading
264
Walleye Trading
New York
$560K +$289K +1,705 +107%
Cambridge Investment Research Advisors
265
Cambridge Investment Research Advisors
Iowa
$556K -$9.5K -56 -2%
Neuberger Berman Group
266
Neuberger Berman Group
New York
$553K +$553K +3,701 New
LJHT
267
Laurie J. Hall Trustee
$551K -$93.2K -550 -14%
GT
268
Greenleaf Trust
Michigan
$540K – – –
YIH
269
Y-Intercept (HK)
Hong Kong
$531K +$531K +3,134 New
CA
270
Clearstead Advisors
Ohio
$527K +$18.6K +110 +4%
AR
271
Advisory Research
Illinois
$524K -$36.1K -213 -6%
SCA
272
Spearhead Capital Advisors
Florida
$523K +$28K +165 +6%
HKAM
273
Horizon Kinetics Asset Management
New York
$509K – – –
LP
274
Lloyd Park
Illinois
$509K +$509K +3,000 New
EA
275
Emerald Advisers
Pennsylvania
$507K -$7.12K -42 -1%
9 10
11
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