Ameriprise
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Ameriprise’s Alector ALEC Stock Holding History

Ameriprise’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
Q1 		$583K Sell
271,272
-83,027
-23% -$167K ﹤0.01% 3533
2025
Q4 		$553K Buy
354,299
+80,257
+29% +$142K ﹤0.01% 3585
2025
Q3 		$811K Buy
274,042
+259,907
+1,839% +$573K ﹤0.01% 3457
2025
Q2 		$19.8K Buy
14,135
+3,449
+32% +$4.32K ﹤0.01% 3942
2025
Q1 		$13.1K Buy
10,686
+100
+0.9% +$163 ﹤0.01% 3995
2024
Q4 		$20K Sell
10,586
-165,623
-94% -$623K ﹤0.01% 4050
2024
Q3 		$821K Buy
176,209
+73,103
+71% +$392K ﹤0.01% 3298
2024
Q2 		$468K Buy
103,106
+1,029
+1% +$5.3K ﹤0.01% 3438
2024
Q1 		$615K Sell
102,077
-5,354
-5% -$35K ﹤0.01% 3349
2023
Q4 		$857K Buy
107,431
+27,357
+34% +$162K ﹤0.01% 3251
2023
Q3 		$519K Sell
80,074
-91,052
-53% -$589K ﹤0.01% 3405
2023
Q2 		$1.03M Sell
171,126
-50,390
-23% -$352K ﹤0.01% 3162
2023
Q1 		$1.37M Buy
221,516
+32,911
+17% +$268K ﹤0.01% 3020
2022
Q4 		$1.74M Sell
188,605
-1,730
-0.9% -$15.1K ﹤0.01% 2868
2022
Q3 		$1.8M Buy
190,335
+120,802
+174% +$1.31M ﹤0.01% 2835
2022
Q2 		$706K Buy
69,533
+3,653
+6% +$36.4K ﹤0.01% 3263
2022
Q1 		$939K Sell
65,880
-15,928
-19% -$252K ﹤0.01% 3242
2021
Q4 		$1.69M Buy
81,808
+20,480
+33% +$462K ﹤0.01% 3023
2021
Q3 		$1.4M Buy
61,328
+5,170
+9% +$145K ﹤0.01% 3013
2021
Q2 		$1.17M Buy
56,158
+5,306
+10% +$100K ﹤0.01% 3154
2021
Q1 		$1.02M Sell
50,852
-10,420
-17% -$187K ﹤0.01% 3142
2020
Q4 		$927K Buy
61,272
+23,698
+63% +$295K ﹤0.01% 3120
2020
Q3 		$396K Sell
37,574
-11,410
-23% -$185K ﹤0.01% 3324
2020
Q2 		$1.2M Sell
48,984
-16,988
-26% -$469K ﹤0.01% 2849
2020
Q1 		$1.59M Buy
+65,972
New +$1.68M ﹤0.01% 2593

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
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
FCMI
Foresite Capital Management IV Larkspur, California $237M AUM 107.53% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 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
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return

Ameriprise's ALEC Position: Q1 2026 in Review

Ameriprise reduced its Alector (ALEC) stake by 23% in Q1 2026, selling an estimated $167K and leaving 271,272 shares worth $583K. The position accounts for ﹤0.01% of the portfolio, ranked #3533.

Ameriprise first reported a position in ALEC in Q1 2020 and has held it in 25 quarters since. The position peaked at $1.8M in Q3 2022. 138 funds tracked by Wall St. Rank hold ALEC as of Q1 2026.

  • Ameriprise held 271,272 shares of Alector worth $583K as of Q1 2026.
  • Ameriprise sold 83,027 Alector shares in Q1 2026, an estimated $167K.
  • Alector made up ﹤0.01% of Ameriprise's portfolio in Q1 2026, its #3533 holding.
  • Ameriprise first reported a position in Alector in Q1 2020 and has held it in 25 quarters since.
  • Ameriprise's Alector position peaked at $1.8M in Q3 2022.
  • 138 funds tracked by Wall St. Rank held Alector as of Q1 2026.

Based on Ameriprise's 13F filing for Q1 2026, filed 15 May 2026.