Sanders Morris Harris’s Alnylam Pharmaceuticals ALNY Stock Holding History

Sanders Morris Harris’s Portfolio ALNY Stock Details ALNY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-3,150	Closed	-$1.04M	–	79
2026 Q1	$1.04M	Buy	+3,150	New	+$1.07M	0.17%	115
2025 Q4	–	Sell	-3,150	Closed	-$1.44M	–	42
2025 Q3	$1.44M	Buy	+3,150	New	+$1.28M	0.19%	74
2025 Q2	–	Sell	-3,500	Closed	-$895K	–	166
2025 Q1	$895K	Hold	3,500	–	–	0.14%	101
2024 Q4	$824K	Hold	3,500	–	–	0.12%	118
2024 Q3	$963K	Hold	3,500	–	–	0.16%	96
2024 Q2	$851K	Hold	3,500	–	–	0.14%	102
2024 Q1	$523K	Hold	3,500	–	–	0.1%	150
2023 Q4	$684K	Hold	3,500	–	–	0.34%	84
2023 Q3	$625K	Hold	3,500	–	–	0.13%	126
2023 Q2	$664K	Buy	+3,500	New	+$694K	0.15%	110
2023 Q1	–	Sell	-3,500	Closed	-$832K	–	146
2022 Q4	$832K	Hold	3,500	–	–	0.31%	69
2022 Q3	$688K	Hold	3,500	–	–	0.17%	100
2022 Q2	$519K	Hold	3,500	–	–	0.11%	139
2022 Q1	$572K	Hold	3,500	–	–	0.11%	144
2021 Q4	$596K	Hold	3,500	–	–	0.1%	152
2021 Q3	$714K	Hold	3,500	–	–	0.13%	122
2021 Q2	$610K	Hold	3,500	–	–	0.12%	141
2021 Q1	$492K	Hold	3,500	–	–	0.1%	159
2020 Q4	$598K	Hold	3,500	–	–	0.14%	133
2020 Q3	$514K	Buy	3,500 +700	+25%	+$99.5K	0.14%	140
2020 Q2	$417K	Buy	+2,800	New	+$377K	0.2%	63

Other funds holding ALNY

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Sanders Morris Harris's ALNY Position: Q2 2026 in Review

Sanders Morris Harris sold out of Alnylam Pharmaceuticals (ALNY) in Q2 2026, closing a stake of 3,150 shares — an estimated $1.04M sold.

Sanders Morris Harris first reported a position in ALNY in Q2 2020 and held it in 21 quarters. The position peaked at $1.44M in Q3 2025. 784 funds tracked by Wall St. Rank hold ALNY as of Q2 2026.

Sanders Morris Harris reported no remaining Alnylam Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
Sanders Morris Harris sold 3,150 Alnylam Pharmaceuticals shares in Q2 2026, an estimated $1.04M.
Sanders Morris Harris first reported a position in Alnylam Pharmaceuticals in Q2 2020 and held it in 21 quarters.
Sanders Morris Harris's Alnylam Pharmaceuticals position peaked at $1.44M in Q3 2025.
784 funds tracked by Wall St. Rank held Alnylam Pharmaceuticals as of Q2 2026.

Based on Sanders Morris Harris's 13F filing for Q2 2026, filed 7 Jul 2026.