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Tower Research Capital (TRC)’s Alector ALEC Stock Holding History

Tower Research Capital (TRC)’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 		$29K Buy
14,450
+8,507
+143% +$18.2K ﹤0.01% 3209
2026
Q1 		$12.8K Sell
5,943
-33,577
-85% -$67.4K ﹤0.01% 3772
2025
Q4 		$61.7K Buy
39,520
+37,006
+1,472% +$65.7K ﹤0.01% 2274
2025
Q3 		$7.44K Sell
2,514
-10,885
-81% -$24K ﹤0.01% 4098
2025
Q2 		$18.8K Sell
13,399
-9,271
-41% -$11.6K ﹤0.01% 3719
2025
Q1 		$27.9K Buy
22,670
+8,000
+55% +$13K ﹤0.01% 2673
2024
Q4 		$27.7K Buy
14,670
+6,096
+71% +$22.9K ﹤0.01% 2949
2024
Q3 		$40K Sell
8,574
-9,837
-53% -$52.8K ﹤0.01% 2846
2024
Q2 		$83.6K Buy
18,411
+17,533
+1,997% +$90.2K ﹤0.01% 2709
2024
Q1 		$5.29K Sell
878
-14,401
-94% -$94.2K ﹤0.01% 4562
2023
Q4 		$122K Buy
15,279
+14,148
+1,251% +$83.8K ﹤0.01% 2490
2023
Q3 		$7.33K Sell
1,131
-3,038
-73% -$19.7K ﹤0.01% 4478
2023
Q2 		$25.1K Sell
4,169
-402
-9% -$2.81K ﹤0.01% 3183
2023
Q1 		$28K Buy
4,571
+3,554
+349% +$28.9K ﹤0.01% 3054
2022
Q4 		$9K Sell
1,017
-22,876
-96% -$200K ﹤0.01% 4154
2022
Q3 		$226K Buy
23,893
+13,433
+128% +$145K ﹤0.01% 1809
2022
Q2 		$106K Sell
10,460
-6,387
-38% -$63.7K ﹤0.01% 2236
2022
Q1 		$240K Buy
16,847
+8,922
+113% +$141K ﹤0.01% 1604
2021
Q4 		$164K Sell
7,925
-2,736
-26% -$61.7K ﹤0.01% 1903
2021
Q3 		$243K Buy
10,661
+2,263
+27% +$63.4K 0.01% 1623
2021
Q2 		$175K Buy
8,398
+6,259
+293% +$118K ﹤0.01% 2017
2021
Q1 		$43K Sell
2,139
-8,313
-80% -$149K ﹤0.01% 3246
2020
Q4 		$158K Buy
10,452
+5,317
+104% +$66.1K ﹤0.01% 1919
2020
Q3 		$54K Sell
5,135
-2,941
-36% -$47.6K ﹤0.01% 3502
2020
Q2 		$197K Buy
+8,076
New +$223K 0.01% 1799
2020
Q1 		– Sell
-300
Closed -$5K – 2987
2019
Q4 		$5K Buy
+300
New +$5.1K ﹤0.01% 2667
2019
Q3 		– Sell
-100
Closed -$2K – 4045
2019
Q2 		$2K Sell
100
-2,681
-96% -$54.4K ﹤0.01% 3225
2019
Q1 		$52K Buy
+2,781
New +$52.6K ﹤0.01% 1746

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

Tower Research Capital (TRC)'s ALEC Position: Q2 2026 in Review

Tower Research Capital (TRC) increased its Alector (ALEC) stake by 143% in Q2 2026, buying an estimated $18.2K and bringing the position to 14,450 shares worth $29K. The position accounts for ﹤0.01% of the portfolio, ranked #3209.

Tower Research Capital (TRC) first reported a position in ALEC in Q1 2019 and has held it in 28 quarters since. The position peaked at $243K in Q3 2021. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

  • Tower Research Capital (TRC) held 14,450 shares of Alector worth $29K as of Q2 2026.
  • Tower Research Capital (TRC) bought 8,507 Alector shares in Q2 2026, an estimated $18.2K.
  • Alector made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q2 2026, its #3209 holding.
  • Tower Research Capital (TRC) first reported a position in Alector in Q1 2019 and has held it in 28 quarters since.
  • Tower Research Capital (TRC)'s Alector position peaked at $243K in Q3 2021.
  • 141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q2 2026, filed 11 Aug 2026.