Acadian Asset Management
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Acadian Asset Management’s Alector ALEC Stock Holding History

Acadian Asset 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 		$8.86M Buy
4,414,345
+375,560
+9% +$805K 0.01% 632
2026
Q1 		$8.68M Buy
4,038,785
+596,336
+17% +$1.2M 0.01% 564
2025
Q4 		$5.36M Buy
3,442,449
+1,069,464
+45% +$1.9M 0.01% 635
2025
Q3 		$7.02M Buy
2,372,985
+202,597
+9% +$446K 0.01% 556
2025
Q2 		$3.03M Buy
2,170,388
+729,727
+51% +$914K 0.01% 716
2025
Q1 		$1.77M Buy
1,440,661
+410,205
+40% +$668K 0.01% 790
2024
Q4 		$1.94M Buy
1,030,456
+290,221
+39% +$1.09M 0.01% 769
2024
Q3 		$3.45M Buy
740,235
+149,573
+25% +$802K 0.01% 590
2024
Q2 		$2.68M Buy
590,662
+146,015
+33% +$751K 0.01% 683
2024
Q1 		$2.67M Buy
444,647
+301,936
+212% +$1.97M 0.01% 594
2023
Q4 		$1.14M Sell
142,711
-10,555
-7% -$62.5K ﹤0.01% 824
2023
Q3 		$993K Buy
153,266
+62,155
+68% +$402K ﹤0.01% 853
2023
Q2 		$547K Buy
91,111
+80,951
+797% +$565K ﹤0.01% 1034
2023
Q1 		$62K Sell
10,160
-92,453
-90% -$752K ﹤0.01% 1484
2022
Q4 		$943K Sell
102,613
-79,618
-44% -$694K ﹤0.01% 862
2022
Q3 		$1.73M Buy
182,231
+85,254
+88% +$922K 0.01% 677
2022
Q2 		$985K Buy
96,977
+63,322
+188% +$632K 0.01% 821
2022
Q1 		$478K Sell
33,655
-7,292
-18% -$115K ﹤0.01% 1013
2021
Q4 		$843K Buy
+40,947
New +$923K ﹤0.01% 869

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
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
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

Acadian Asset Management's ALEC Position: Q2 2026 in Review

Acadian Asset Management increased its Alector (ALEC) stake by 9.3% in Q2 2026, buying an estimated $805K and bringing the position to 4,414,345 shares worth $8.86M. The position accounts for 0.01% of the portfolio, ranked #632.

Acadian Asset Management first reported a position in ALEC in Q4 2021 and has held it in 19 quarters since. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

  • Acadian Asset Management held 4,414,345 shares of Alector worth $8.86M as of Q2 2026.
  • Acadian Asset Management bought 375,560 Alector shares in Q2 2026, an estimated $805K.
  • Alector made up 0.01% of Acadian Asset Management's portfolio in Q2 2026, its #632 holding.
  • Acadian Asset Management first reported a position in Alector in Q4 2021 and has held it in 19 quarters since.
  • 141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.