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ALNY
Showing 8 of 9 quarters

Position history for TWO SIGMA INVESTMENTS, LP's holdings in ALNYLAM PHARMACEUTICALS INC

TWO SIGMA INVESTMENTS, LP holds 2M shares of ALNY (ALNYLAM PHARMACEUTICALS INC), worth $659.3M as of 2026-Q1. The position was increased (+223.4% shares). ALNY represents 0.5% of TWO SIGMA INVESTMENTS, LP's portfolio.

Current Value

$659.3M

Current Shares

2M

Total Value Change

+$634.3M

Total Shares Change

+1.9M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
2M
+223.4%
$659.3M0.5%$318.65
72
2025-Q4
Increased
616,120
+3.4%
$245M0.3%$397.25
38
2025-Q3
Increased
595,926
+73.6%
$271.7M0.4%$447.49
55
2025-Q2
Increased
343,305
+73.9%
$111.9M0.2%$322.83
54
2025-Q1
Increased
197,415
+84.3%
$53.3M0.1%$268.46
54
2024-Q4
Increased
107,117
+459.4%
$25.2M0.1%$236.01
46
2024-Q3
Decreased
19,148
-81.4%
$5.3M0.0%$274.91
0
2024-Q2
Increased
102,918
+0.4%
$25M0.1%$243.00
29

Other major holders of ALNY: FMR LLC, Capital World Investors, VANGUARD GROUP INC

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