QC
ALEC icon

Quadrature Capital’s Alector ALEC Stock Holding History

Quadrature 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
Q1 		$41.9K Sell
19,486
-42,787
-69% -$85.9K ﹤0.01% 1289
2025
Q4 		$97.1K Buy
+62,273
New +$110K ﹤0.01% 1108
2025
Q2 		– Sell
-12,949
Closed -$16K – 1018
2025
Q1 		$16K Buy
+12,949
New +$21.1K ﹤0.01% 1030

Other funds holding ALEC

TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
FCMI
Foresite Capital Management IV Larkspur, California $237M AUM 107.53% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return

Quadrature Capital's ALEC Position: Q1 2026 in Review

Quadrature Capital reduced its Alector (ALEC) stake by 69% in Q1 2026, selling an estimated $85.9K and leaving 19,486 shares worth $41.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1289.

Quadrature Capital first reported a position in ALEC in Q1 2025 and has held it in 3 quarters since. The position peaked at $97.1K in Q4 2025. 138 funds tracked by Wall St. Rank hold ALEC as of Q1 2026.

  • Quadrature Capital held 19,486 shares of Alector worth $41.9K as of Q1 2026.
  • Quadrature Capital sold 42,787 Alector shares in Q1 2026, an estimated $85.9K.
  • Alector made up ﹤0.01% of Quadrature Capital's portfolio in Q1 2026, its #1289 holding.
  • Quadrature Capital first reported a position in Alector in Q1 2025 and has held it in 3 quarters since.
  • Quadrature Capital's Alector position peaked at $97.1K in Q4 2025.
  • 138 funds tracked by Wall St. Rank held Alector as of Q1 2026.

Based on Quadrature Capital's 13F filing for Q1 2026, filed 15 May 2026.