Ikarian Capital’s Alector ALEC Stock Holding History

Ikarian Capital’s Portfolio ALEC Stock Details ALEC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$3.99M	Sell	1,982,606 -100,000	-5%	-$214K	0.43%	66
2026 Q1	$4.48M	Hold	2,082,606	–	–	0.36%	64
2025 Q4	$3.25M	Buy	2,082,606 +1,322,606	+174%	+$2.35M	0.25%	78
2025 Q3	$2.25M	Sell	760,000 -140,000	-16%	-$308K	0.23%	96
2025 Q2	$1.26M	Sell	900,000 -50,000	-5%	-$62.6K	0.24%	77
2025 Q1	$1.17M	Hold	950,000	–	–	0.14%	93
2024 Q4	$1.8M	Buy	+950,000	New	+$3.58M	0.24%	85
2021 Q3	–	Sell	-674,723	Closed	-$14.1M	–	215
2021 Q2	$14.1M	Buy	674,723 +417,223	+162%	+$7.87M	1.14%	21
2021 Q1	$5.18M	Buy	257,500 +200,000	+348%	+$3.59M	0.17%	116
2020 Q4	$870K	Buy	57,500 +57,179	+17,813%	+$711K	0.04%	179
2020 Q3	$3K	Buy	+321	New	+$5.19K	﹤0.01%	172

Other funds holding ALEC

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

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

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

NCM

Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

KCM

Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return

Merck & Co Rahway, New Jersey $526M AUM 175.27% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

6CM

683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Ikarian Capital's ALEC Position: Q2 2026 in Review

Ikarian Capital reduced its Alector (ALEC) stake by 4.8% in Q2 2026, selling an estimated $214K and leaving 1,982,606 shares worth $3.99M. The position accounts for 0.43% of the portfolio, ranked #66.

Ikarian Capital first reported a position in ALEC in Q3 2020 and has held it in 11 quarters since. The position peaked at $14.1M in Q2 2021. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

Ikarian Capital held 1,982,606 shares of Alector worth $3.99M as of Q2 2026.
Ikarian Capital sold 100,000 Alector shares in Q2 2026, an estimated $214K.
Alector made up 0.43% of Ikarian Capital's portfolio in Q2 2026, its #66 holding.
Ikarian Capital first reported a position in Alector in Q3 2020 and has held it in 11 quarters since.
Ikarian Capital's Alector position peaked at $14.1M in Q2 2021.
141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on Ikarian Capital's 13F filing for Q2 2026, filed 14 Aug 2026.