Vanguard Portfolio Management
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Vanguard Portfolio Management’s Alector ALEC Stock Holding History

Vanguard Portfolio Management’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 		$5.67M Buy
2,820,493
+236,951
+9% +$508K ﹤0.01% 2401
2026
Q1 		$5.55M Buy
+2,583,542
New +$5.19M ﹤0.01% 2295

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

Vanguard Portfolio Management's ALEC Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Alector (ALEC) stake by 9.2% in Q2 2026, buying an estimated $508K and bringing the position to 2,820,493 shares worth $5.67M. The position accounts for ﹤0.01% of the portfolio, ranked #2401.

Vanguard Portfolio Management first reported a position in ALEC in Q1 2026 and has held it in 2 quarters since. 140 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

  • Vanguard Portfolio Management held 2,820,493 shares of Alector worth $5.67M as of Q2 2026.
  • Vanguard Portfolio Management bought 236,951 Alector shares in Q2 2026, an estimated $508K.
  • Alector made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2401 holding.
  • Vanguard Portfolio Management first reported a position in Alector in Q1 2026 and has held it in 2 quarters since.
  • 140 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.