T. Rowe Price Associates
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T. Rowe Price Associates’s Alector ALEC Stock Holding History

T. Rowe Price 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
Q1 		$121K Sell
56,100
-103
-0.2% -$207 ﹤0.01% 2953
2025
Q4 		$89K Sell
56,203
-2,128,829
-97% -$3.78M ﹤0.01% 2962
2025
Q3 		$6.47M Sell
2,185,032
-2,690,232
-55% -$5.93M ﹤0.01% 1330
2025
Q2 		$6.83M Buy
4,875,264
+4,198,951
+621% +$5.26M ﹤0.01% 1204
2025
Q1 		$832K Sell
676,313
-69,775
-9% -$114K ﹤0.01% 2049
2024
Q4 		$1.41M Sell
746,088
-70,370
-9% -$265K ﹤0.01% 1812
2024
Q3 		$3.81M Sell
816,458
-53,120
-6% -$285K ﹤0.01% 1381
2024
Q2 		$3.95M Sell
869,578
-20,916
-2% -$108K ﹤0.01% 1291
2024
Q1 		$5.36M Sell
890,494
-311,055
-26% -$2.03M ﹤0.01% 1203
2023
Q4 		$9.59M Buy
1,201,549
+54,582
+5% +$323K ﹤0.01% 1105
2023
Q3 		$7.43M Buy
1,146,967
+482,077
+73% +$3.12M ﹤0.01% 1115
2023
Q2 		$4M Sell
664,890
-10,473
-2% -$73.1K ﹤0.01% 1245
2023
Q1 		$4.18M Sell
675,363
-1,053,350
-61% -$8.57M ﹤0.01% 1226
2022
Q4 		$16M Sell
1,728,713
-14,678
-0.8% -$128K ﹤0.01% 971
2022
Q3 		$16.5M Sell
1,743,391
-104,734
-6% -$1.13M ﹤0.01% 964
2022
Q2 		$18.8M Sell
1,848,125
-42,783
-2% -$427K ﹤0.01% 1183
2022
Q1 		$26.9M Buy
1,890,908
+14,060
+0.7% +$222K ﹤0.01% 1153
2021
Q4 		$38.8M Buy
1,876,848
+9,950
+0.5% +$224K ﹤0.01% 1086
2021
Q3 		$42.6M Sell
1,866,898
-754,915
-29% -$21.1M ﹤0.01% 1079
2021
Q2 		$54.6M Sell
2,621,813
-71,761
-3% -$1.35M 0.01% 997
2021
Q1 		$54.2M Sell
2,693,574
-12,980
-0.5% -$233K 0.01% 975
2020
Q4 		$41M Buy
2,706,554
+567,632
+27% +$7.05M ﹤0.01% 1028
2020
Q3 		$22.5M Buy
2,138,922
+419,027
+24% +$6.78M ﹤0.01% 1119
2020
Q2 		$42M Buy
1,719,895
+790,531
+85% +$21.8M 0.01% 908
2020
Q1 		$22.4M Buy
+929,364
New +$23.7M ﹤0.01% 1031
2019
Q4 		– Sell
-14,485
Closed -$209K – 2527
2019
Q3 		$209K Buy
+14,485
New +$261K ﹤0.01% 2380

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

T. Rowe Price Associates's ALEC Position: Q1 2026 in Review

T. Rowe Price Associates reduced its Alector (ALEC) stake by 0.18% in Q1 2026, selling an estimated $207 and leaving 56,100 shares worth $121K. The position accounts for ﹤0.01% of the portfolio, ranked #2953.

T. Rowe Price Associates first reported a position in ALEC in Q3 2019 and has held it in 26 quarters since. The position peaked at $54.6M in Q2 2021. 138 funds tracked by Wall St. Rank hold ALEC as of Q1 2026.

  • T. Rowe Price Associates held 56,100 shares of Alector worth $121K as of Q1 2026.
  • T. Rowe Price Associates sold 103 Alector shares in Q1 2026, an estimated $207.
  • Alector made up ﹤0.01% of T. Rowe Price Associates's portfolio in Q1 2026, its #2953 holding.
  • T. Rowe Price Associates first reported a position in Alector in Q3 2019 and has held it in 26 quarters since.
  • T. Rowe Price Associates's Alector position peaked at $54.6M in Q2 2021.
  • 138 funds tracked by Wall St. Rank held Alector as of Q1 2026.

Based on T. Rowe Price Associates's 13F filing for Q1 2026, filed 15 May 2026.