SG Americas Securities
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SG Americas Securities’s Alector ALEC Stock Holding History

SG Americas Securities’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
2020
Q4 		– Sell
-65,400
Closed -$26K – 3315
2020
Q3 		$26K Buy
+65,400
New +$1.06M ﹤0.01% 2555

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
FCMI
Foresite Capital Management IV Larkspur, California $290M AUM 143.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MC
Merck & Co Rahway, New Jersey $526M AUM 175.27% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return

SG Americas Securities's ALEC Position: Q1 2026 in Review

SG Americas Securities sold out of Alector (ALEC) in Q1 2026, closing a stake of 27,002 shares — an estimated $42K sold.

SG Americas Securities first reported a position in ALEC in Q1 2020 and held it in 19 quarters. The position peaked at $1.81M in Q3 2021. 138 funds tracked by Wall St. Rank hold ALEC as of Q1 2026.

  • SG Americas Securities reported no remaining Alector position as of Q1 2026 after selling out during the quarter.
  • SG Americas Securities sold 27,002 Alector shares in Q1 2026, an estimated $42K.
  • SG Americas Securities first reported a position in Alector in Q1 2020 and held it in 19 quarters.
  • SG Americas Securities's Alector position peaked at $1.81M in Q3 2021.
  • 138 funds tracked by Wall St. Rank held Alector as of Q1 2026.

Based on SG Americas Securities's 13F filing for Q1 2026, filed 16 Apr 2026.