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ALNY
4 quarters

Position history for CONGRESS ASSET MANAGEMENT CO's holdings in ALNYLAM PHARMACEUTICALS INC

CONGRESS ASSET MANAGEMENT CO holds 265,701 shares of ALNY (ALNYLAM PHARMACEUTICALS INC), worth $80M as of 2026-Q2. The position was decreased (-7.0% shares). ALNY represents 0.5% of CONGRESS ASSET MANAGEMENT CO's portfolio.

Current Value

$80M

Current Shares

265,701

Total Value Change

+$25.8M

Total Shares Change

+146,901

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
265,701
-7.0%
$80M0.5%$289.11
0
2026-Q1
Increased
285,739
+6.1%
$94.5M0.7%$318.65
45
2025-Q4
Increased
269,239
+126.6%
$107.1M0.8%$397.25
68
2025-Q3
New
118,800
-
$54.2M0.4%$447.49
49

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

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