Comerica Bank’s Alector ALEC Stock Holding History

Comerica Bank’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
2025 Q4	$14	Sell	9 -12	-57%	-$21	﹤0.01%	3702
2025 Q3	$63	Hold	21	–	–	﹤0.01%	3695
2025 Q2	$30	Hold	21	–	–	﹤0.01%	3682
2025 Q1	$26	Hold	21	–	–	﹤0.01%	3673
2024 Q4	$40	Hold	21	–	–	﹤0.01%	3657
2024 Q3	$98	Hold	21	–	–	﹤0.01%	3652
2024 Q2	$95	Hold	21	–	–	﹤0.01%	3676
2024 Q1	$126	Hold	21	–	–	﹤0.01%	3718
2023 Q4	$168	Hold	21	–	–	﹤0.01%	3702
2023 Q3	$136	Buy	+21	New	+$136	﹤0.01%	3768

Other funds holding ALEC

TCM

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

FCMI

Foresite Capital Management IV Larkspur, California $237M AUM 107.53% 1-Year Est. Return

Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

6CM

683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Comerica Bank's ALEC Position: Q4 2025 in Review

Comerica Bank reduced its Alector (ALEC) stake by 57% in Q4 2025, selling an estimated $21 and leaving 9 shares worth $14. The position accounts for ﹤0.01% of the portfolio, ranked #3702.

Comerica Bank first reported a position in ALEC in Q3 2023 and has held it in 10 quarters since. The position peaked at $168 in Q4 2023. 131 funds tracked by Wall St. Rank hold ALEC as of Q4 2025.

Comerica Bank held 9 shares of Alector worth $14 as of Q4 2025.
Comerica Bank sold 12 Alector shares in Q4 2025, an estimated $21.
Alector made up ﹤0.01% of Comerica Bank's portfolio in Q4 2025, its #3702 holding.
Comerica Bank first reported a position in Alector in Q3 2023 and has held it in 10 quarters since.
Comerica Bank's Alector position peaked at $168 in Q4 2023.
131 funds tracked by Wall St. Rank held Alector as of Q4 2025.

Based on Comerica Bank's 13F filing for Q4 2025, filed 29 Jan 2026.