Vanguard Group
ALEC icon

Vanguard Group’s Alector ALEC Stock Holding History

Vanguard Group’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
2025
Q4 		$10.8M Buy
6,908,054
+873,395
+14% +$1.55M ﹤0.01% 2924
2025
Q3 		$17.9M Buy
6,034,659
+46,955
+0.8% +$103K ﹤0.01% 2680
2025
Q2 		$8.38M Sell
5,987,704
-65,337
-1% -$81.8K ﹤0.01% 3001
2025
Q1 		$7.45M Buy
6,053,041
+436,662
+8% +$711K ﹤0.01% 3004
2024
Q4 		$10.6M Buy
5,616,379
+160,652
+3% +$605K ﹤0.01% 2922
2024
Q3 		$25.4M Buy
5,455,727
+134,757
+3% +$723K ﹤0.01% 2474
2024
Q2 		$24.2M Buy
5,320,970
+408,392
+8% +$2.1M ﹤0.01% 2471
2024
Q1 		$29.6M Buy
4,912,578
+526,037
+12% +$3.44M ﹤0.01% 2405
2023
Q4 		$35M Sell
4,386,541
-1,134,367
-21% -$6.72M ﹤0.01% 2336
2023
Q3 		$35.8M Sell
5,520,908
-1,107,318
-17% -$7.17M ﹤0.01% 2289
2023
Q2 		$39.8M Buy
6,628,226
+224,063
+3% +$1.56M ﹤0.01% 2295
2023
Q1 		$39.6M Buy
6,404,163
+39,552
+0.6% +$322K ﹤0.01% 2279
2022
Q4 		$58.7M Buy
6,364,611
+611,417
+11% +$5.33M ﹤0.01% 2102
2022
Q3 		$54.4M Buy
5,753,194
+44,498
+0.8% +$481K ﹤0.01% 2140
2022
Q2 		$58M Buy
5,708,696
+264,773
+5% +$2.64M ﹤0.01% 2128
2022
Q1 		$77.6M Sell
5,443,923
-96,317
-2% -$1.52M ﹤0.01% 2080
2021
Q4 		$114M Buy
5,540,240
+462,807
+9% +$10.4M ﹤0.01% 1916
2021
Q3 		$116M Buy
5,077,433
+146,113
+3% +$4.09M ﹤0.01% 1913
2021
Q2 		$103M Sell
4,931,320
-238,219
-5% -$4.49M ﹤0.01% 1989
2021
Q1 		$104M Buy
5,169,539
+166,680
+3% +$2.99M ﹤0.01% 1927
2020
Q4 		$75.7M Buy
5,002,859
+120,857
+2% +$1.5M ﹤0.01% 1983
2020
Q3 		$51.4M Buy
4,882,002
+32,841
+0.7% +$531K ﹤0.01% 2006
2020
Q2 		$119M Buy
4,849,161
+539,724
+13% +$14.9M ﹤0.01% 1584
2020
Q1 		$104M Buy
4,309,437
+1,620,807
+60% +$41.3M ﹤0.01% 1504
2019
Q4 		$46.3M Buy
2,688,630
+390,119
+17% +$6.63M ﹤0.01% 2148
2019
Q3 		$33.1M Buy
2,298,511
+1,389,501
+153% +$25.1M ﹤0.01% 2257
2019
Q2 		$17.3M Buy
909,010
+43,274
+5% +$878K ﹤0.01% 2588
2019
Q1 		$16.2M Buy
+865,736
New +$16.4M ﹤0.01% 2598

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
FCMI
Foresite Capital Management IV Larkspur, California $237M AUM 107.53% 1-Year Est. Return
MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 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
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return

Vanguard Group's ALEC Position: Q4 2025 in Review

Vanguard Group increased its Alector (ALEC) stake by 14% in Q4 2025, buying an estimated $1.55M and bringing the position to 6,908,054 shares worth $10.8M. The position accounts for ﹤0.01% of the portfolio, ranked #2924.

Vanguard Group first reported a position in ALEC in Q1 2019 and has held it in 28 quarters since. The position peaked at $119M in Q2 2020. 131 funds tracked by Wall St. Rank hold ALEC as of Q4 2025.

  • Vanguard Group held 6,908,054 shares of Alector worth $10.8M as of Q4 2025.
  • Vanguard Group bought 873,395 Alector shares in Q4 2025, an estimated $1.55M.
  • Alector made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2924 holding.
  • Vanguard Group first reported a position in Alector in Q1 2019 and has held it in 28 quarters since.
  • Vanguard Group's Alector position peaked at $119M in Q2 2020.
  • 131 funds tracked by Wall St. Rank held Alector as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.