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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
Q2 		$28.5K Sell
14,169
-5,317
-27% -$11.4K ﹤0.01% 1532
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 $4.16B AUM 983.43% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Acadian Asset Management
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
MC
Merck & Co Rahway, New Jersey $526M AUM 175.27% 1-Year Est. Return
Balyasny Asset Management
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
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Quadrature Capital's ALEC Position: Q2 2026 in Review

Quadrature Capital reduced its Alector (ALEC) stake by 27% in Q2 2026, selling an estimated $11.4K and leaving 14,169 shares worth $28.5K. The position accounts for ﹤0.01% of the portfolio, ranked #1532.

Quadrature Capital first reported a position in ALEC in Q1 2025 and has held it in 4 quarters since. The position peaked at $97.1K in Q4 2025. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

  • Quadrature Capital held 14,169 shares of Alector worth $28.5K as of Q2 2026.
  • Quadrature Capital sold 5,317 Alector shares in Q2 2026, an estimated $11.4K.
  • Alector made up ﹤0.01% of Quadrature Capital's portfolio in Q2 2026, its #1532 holding.
  • Quadrature Capital first reported a position in Alector in Q1 2025 and has held it in 4 quarters since.
  • Quadrature Capital's Alector position peaked at $97.1K in Q4 2025.
  • 141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on Quadrature Capital's 13F filing for Q2 2026, filed 7 Aug 2026.