Tudor Investment Corp
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Tudor Investment Corp’s Alector ALEC Stock Holding History

Tudor Investment Corp’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 		– Sell
-41,282
Closed -$64.4K – 3538
2025
Q4 		$64.4K Hold
41,282
– – ﹤0.01% 3390
2025
Q3 		$122K Buy
41,282
+487
+1% +$1.07K ﹤0.01% 3251
2025
Q2 		$57.1K Sell
40,795
-1
-0% -$1 ﹤0.01% 3164
2025
Q1 		$50.2K Hold
40,796
– – ﹤0.01% 2957
2024
Q4 		$77.1K Buy
+40,796
New +$154K ﹤0.01% 2917
2024
Q3 		– Sell
-20,337
Closed -$92.3K – 2661
2024
Q2 		$92.3K Buy
+20,337
New +$105K ﹤0.01% 2209
2023
Q1 		– Sell
-29,850
Closed -$276K – 2358
2022
Q4 		$276K Sell
29,850
-7,029
-19% -$61.3K 0.01% 1955
2022
Q3 		$349K Buy
+36,879
New +$399K 0.01% 1677
2022
Q2 		– Sell
-18,507
Closed -$264K – 2064
2022
Q1 		$264K Buy
+18,507
New +$293K 0.01% 1626
2021
Q4 		– Sell
-15,214
Closed -$347K – 2337
2021
Q3 		$347K Buy
15,214
+3,769
+33% +$106K 0.01% 1935
2021
Q2 		$238K Buy
+11,445
New +$216K ﹤0.01% 1428

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

Tudor Investment Corp's ALEC Position: Q1 2026 in Review

Tudor Investment Corp sold out of Alector (ALEC) in Q1 2026, closing a stake of 41,282 shares — an estimated $64.4K sold.

Tudor Investment Corp first reported a position in ALEC in Q2 2021 and held it in 11 quarters. The position peaked at $349K in Q3 2022. 138 funds tracked by Wall St. Rank hold ALEC as of Q1 2026.

  • Tudor Investment Corp reported no remaining Alector position as of Q1 2026 after selling out during the quarter.
  • Tudor Investment Corp sold 41,282 Alector shares in Q1 2026, an estimated $64.4K.
  • Tudor Investment Corp first reported a position in Alector in Q2 2021 and held it in 11 quarters.
  • Tudor Investment Corp's Alector position peaked at $349K in Q3 2022.
  • 138 funds tracked by Wall St. Rank held Alector as of Q1 2026.

Based on Tudor Investment Corp's 13F filing for Q1 2026, filed 15 May 2026.