Jasper Ridge Partners’s Alector ALEC Stock Holding History

Jasper Ridge Partners’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	$148K	Hold	73,531	–	–	﹤0.01%	141
2026 Q1	$158K	Sell	73,531 -21,537	-23%	-$43.3K	﹤0.01%	128
2025 Q4	$148K	Buy	95,068 +23,292	+32%	+$41.3K	﹤0.01%	131
2025 Q3	$212K	Buy	71,776 +41,144	+134%	+$90.6K	﹤0.01%	132
2025 Q2	$42.9K	Hold	30,632	–	–	﹤0.01%	144
2025 Q1	$37.7K	Hold	30,632	–	–	﹤0.01%	144
2024 Q4	$57.9K	Hold	30,632	–	–	﹤0.01%	140
2024 Q3	$143K	Hold	30,632	–	–	﹤0.01%	135
2024 Q2	$139K	Buy	30,632 +15,926	+108%	+$82K	﹤0.01%	136
2024 Q1	$88.5K	Hold	14,706	–	–	﹤0.01%	142
2023 Q4	$117K	Hold	14,706	–	–	﹤0.01%	137
2023 Q3	$95.3K	Buy	+14,706	New	+$95.2K	﹤0.01%	134

Other funds holding ALEC

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

KCM

Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return

Merck & Co Rahway, New Jersey $526M AUM 175.27% 1-Year Est. Return

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 New York $210B AUM 57.28% 1-Year Est. Return

Jasper Ridge Partners's ALEC Position: Q2 2026 in Review

Jasper Ridge Partners held its Alector (ALEC) position steady in Q2 2026 at 73,531 shares worth $148K. The position accounts for ﹤0.01% of the portfolio, ranked #141.

Jasper Ridge Partners first reported a position in ALEC in Q3 2023 and has held it in 12 quarters since. The position peaked at $212K in Q3 2025. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

Jasper Ridge Partners held 73,531 shares of Alector worth $148K as of Q2 2026.
Jasper Ridge Partners left its Alector share count unchanged in Q2 2026.
Alector made up ﹤0.01% of Jasper Ridge Partners's portfolio in Q2 2026, its #141 holding.
Jasper Ridge Partners first reported a position in Alector in Q3 2023 and has held it in 12 quarters since.
Jasper Ridge Partners's Alector position peaked at $212K in Q3 2025.
141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on Jasper Ridge Partners's 13F filing for Q2 2026, filed 13 Aug 2026.