AllianceBernstein
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AllianceBernstein’s Alector ALEC Stock Holding History

AllianceBernstein’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 		$234K Buy
108,940
+16,000
+17% +$34.3K ﹤0.01% 3098
2026
Q1 		$145K Hold
92,940
– – ﹤0.01% 3116
2025
Q4 		$145K Hold
92,940
– – ﹤0.01% 3124
2025
Q3 		$275K Hold
92,940
– – ﹤0.01% 2972
2025
Q2 		$130K Buy
92,940
+10,840
+13% +$13.6K ﹤0.01% 3135
2025
Q1 		$101K Hold
82,100
– – ﹤0.01% 3067
2024
Q4 		$155K Sell
82,100
-629,445
-88% -$2.37M ﹤0.01% 3070
2024
Q3 		$3.32M Sell
711,545
-55,428
-7% -$297K ﹤0.01% 1710
2024
Q2 		$3.48M Buy
766,973
+41,287
+6% +$212K ﹤0.01% 1649
2024
Q1 		$4.37M Buy
725,686
+233,401
+47% +$1.53M ﹤0.01% 1516
2023
Q4 		$3.93M Buy
492,285
+162,664
+49% +$964K ﹤0.01% 1603
2023
Q3 		$2.14M Buy
329,621
+134,931
+69% +$874K ﹤0.01% 1836
2023
Q2 		$1.17M Buy
194,690
+14,907
+8% +$104K ﹤0.01% 2200
2023
Q1 		$1.11M Buy
179,783
+122,083
+212% +$993K ﹤0.01% 2177
2022
Q4 		$533K Sell
57,700
-100,000
-63% -$872K ﹤0.01% 2597
2022
Q3 		$1.49M Buy
157,700
+95,000
+152% +$1.03M ﹤0.01% 2069
2022
Q2 		$637K Sell
62,700
-75,000
-54% -$748K ﹤0.01% 2571
2022
Q1 		$1.96M Sell
137,700
-23,517
-15% -$372K ﹤0.01% 2103
2021
Q4 		$3.33M Buy
161,217
+57,075
+55% +$1.29M ﹤0.01% 1837
2021
Q3 		$2.38M Buy
104,142
+47,342
+83% +$1.33M ﹤0.01% 2060
2021
Q2 		$1.18M Buy
56,800
+6,800
+14% +$128K ﹤0.01% 2461
2021
Q1 		$1.01M Sell
50,000
-1,400
-3% -$25.1K ﹤0.01% 2410
2020
Q4 		$778K Sell
51,400
-11,700
-19% -$145K ﹤0.01% 2405
2020
Q3 		$665K Sell
63,100
-9,300
-13% -$150K ﹤0.01% 2383
2020
Q2 		$1.77M Buy
72,400
+37,000
+105% +$1.02M ﹤0.01% 1910
2020
Q1 		$854K Buy
35,400
+5,300
+18% +$135K ﹤0.01% 2101
2019
Q4 		$519K Buy
30,100
+5,600
+23% +$95.2K ﹤0.01% 2536
2019
Q3 		$353K Buy
24,500
+9,800
+67% +$177K ﹤0.01% 2726
2019
Q2 		$279K Buy
+14,700
New +$298K ﹤0.01% 2853

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

AllianceBernstein's ALEC Position: Q2 2026 in Review

AllianceBernstein increased its Alector (ALEC) stake by 17% in Q2 2026, buying an estimated $34.3K and bringing the position to 108,940 shares worth $234K. The position accounts for ﹤0.01% of the portfolio, ranked #3098.

AllianceBernstein first reported a position in ALEC in Q2 2019 and has held it in 29 quarters since. The position peaked at $4.37M in Q1 2024. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

  • AllianceBernstein held 108,940 shares of Alector worth $234K as of Q2 2026.
  • AllianceBernstein bought 16,000 Alector shares in Q2 2026, an estimated $34.3K.
  • Alector made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #3098 holding.
  • AllianceBernstein first reported a position in Alector in Q2 2019 and has held it in 29 quarters since.
  • AllianceBernstein's Alector position peaked at $4.37M in Q1 2024.
  • 141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on AllianceBernstein's 13F filing for Q2 2026, filed 14 Aug 2026.