Susquehanna International Group
ALEC icon

Susquehanna International Group’s Alector ALEC Stock Holding History

Susquehanna International Group’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
-95,900
Closed -$150K – 13096
2025
Q4 		$150K Sell
95,900
-50,200
-34% -$89.1K ﹤0.01% 11177
2025
Q3 		$432K Buy
+146,100
New +$322K ﹤0.01% 9293
2025
Q1 		– Sell
-21,400
Closed -$40.4K – 12388
2024
Q4 		$40.4K Sell
21,400
-64,700
-75% -$244K ﹤0.01% 11757
2024
Q3 		$401K Buy
86,100
+76,000
+752% +$408K ﹤0.01% 8994
2024
Q2 		$45.9K Buy
+10,100
New +$52K ﹤0.01% 11447
2024
Q1 		– Sell
-55,200
Closed -$440K – 12077
2023
Q4 		$440K Buy
55,200
+23,800
+76% +$141K ﹤0.01% 8979
2023
Q3 		$203K Buy
+31,400
New +$203K ﹤0.01% 10195
2023
Q2 		– Sell
-32,400
Closed -$201K – 11972
2023
Q1 		$201K Sell
32,400
-67,600
-68% -$550K ﹤0.01% 10586
2022
Q4 		$923K Buy
100,000
+39,200
+64% +$342K ﹤0.01% 6369
2022
Q3 		$575K Buy
60,800
+43,000
+242% +$465K ﹤0.01% 8115
2022
Q2 		$181K Sell
17,800
-18,600
-51% -$186K ﹤0.01% 10779
2022
Q1 		$519K Sell
36,400
-60,800
-63% -$962K ﹤0.01% 8874
2021
Q4 		$2.01M Sell
97,200
-39,200
-29% -$884K ﹤0.01% 5490
2021
Q3 		$3.11M Buy
136,400
+83,000
+155% +$2.32M ﹤0.01% 4877
2021
Q2 		$1.11M Sell
53,400
-23,700
-31% -$447K ﹤0.01% 7471
2021
Q1 		$1.55M Sell
77,100
-36,000
-32% -$645K ﹤0.01% 6544
2020
Q4 		$1.71M Buy
113,100
+27,800
+33% +$345K ﹤0.01% 5432
2020
Q3 		$899K Sell
85,300
-18,000
-17% -$291K ﹤0.01% 6369
2020
Q2 		$2.52M Buy
103,300
+67,300
+187% +$1.86M ﹤0.01% 4082
2020
Q1 		$869K Buy
+36,000
New +$918K ﹤0.01% 5714

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

Susquehanna International Group's ALEC Position: Q1 2026 in Review

Susquehanna International Group reduced its Alector (ALEC) stake by 63% in Q1 2026, selling an estimated $369K and leaving 107,597 shares worth $231K. The position accounts for ﹤0.01% of the portfolio, ranked #11422.

Susquehanna International Group first reported a position in ALEC in Q3 2019 and has held it in 26 quarters since. The position peaked at $3.73M in Q4 2021. 138 funds tracked by Wall St. Rank hold ALEC as of Q1 2026.

  • Susquehanna International Group held 107,597 shares of Alector worth $231K as of Q1 2026.
  • Susquehanna International Group sold 183,583 Alector shares in Q1 2026, an estimated $369K.
  • Alector made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #11422 holding.
  • Susquehanna International Group first reported a position in Alector in Q3 2019 and has held it in 26 quarters since.
  • Susquehanna International Group's Alector position peaked at $3.73M in Q4 2021.
  • 138 funds tracked by Wall St. Rank held Alector as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.