William Mack & Associates
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William Mack & Associates’s Alector ALEC Stock Holding History

William Mack & Associates’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
Q3 		$28 Buy
+15
New +$29 ﹤0.01% 860

Other funds holding ALEC

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Nantahala Capital Management
Nantahala Capital Management New Canaan, Connecticut $3.16B AUM 31.44% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Merck & Co
Merck & Co Rahway, New Jersey $820M AUM 395.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Spruce Street Capital
Spruce Street Capital New York $629M AUM 210.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Medici Capital
Medici Capital Newport Beach, California $59.6M AUM 18.19% 1-Year Est. Return

William Mack & Associates's ALEC Position: Q3 2026 in Review

William Mack & Associates opened a new position in Alector (ALEC) in Q3 2026: 15 shares worth $28. The stake represents ﹤0.01% of the portfolio and ranks #860 among its holdings.

81 funds tracked by Wall St. Rank hold ALEC as of Q3 2026.

  • William Mack & Associates held 15 shares of Alector worth $28 as of Q3 2026.
  • Alector was a new William Mack & Associates position in Q3 2026.
  • Alector made up ﹤0.01% of William Mack & Associates's portfolio in Q3 2026, its #860 holding.
  • 81 funds tracked by Wall St. Rank held Alector as of Q3 2026.

Based on William Mack & Associates's 13F filing for Q3 2026, filed 27 Oct 2026.