Blackstone Inc’s Alector ALEC Stock Holding History

Blackstone Inc’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	$155K	Hold	77,145	–	–	﹤0.01%	513
2026 Q1	$166K	Buy	77,145 +10,286	+15%	+$20.7K	﹤0.01%	407
2025 Q4	$104K	Buy	66,859 +41,144	+160%	+$73K	﹤0.01%	243
2025 Q3	$76.1K	Hold	25,715	–	–	﹤0.01%	244
2025 Q2	$36K	Hold	25,715	–	–	﹤0.01%	167
2025 Q1	$31.6K	Hold	25,715	–	–	﹤0.01%	169
2024 Q4	$48.6K	Hold	25,715	–	–	﹤0.01%	161
2024 Q3	$120K	Hold	25,715	–	–	﹤0.01%	157
2024 Q2	$117K	Buy	25,715 +10,286	+67%	+$52.9K	﹤0.01%	171
2024 Q1	$92.9K	Hold	15,429	–	–	﹤0.01%	172
2023 Q4	$123K	Hold	15,429	–	–	﹤0.01%	156
2023 Q3	$100K	Buy	15,429 +5,143	+50%	+$33.3K	﹤0.01%	149
2023 Q2	$61.8K	Hold	10,286	–	–	﹤0.01%	149
2023 Q1	$63.7K	Hold	10,286	–	–	﹤0.01%	161
2022 Q4	$94.9K	Buy	+10,286	New	+$89.7K	﹤0.01%	167

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

Blackstone Inc's ALEC Position: Q2 2026 in Review

Blackstone Inc held its Alector (ALEC) position steady in Q2 2026 at 77,145 shares worth $155K. The position accounts for ﹤0.01% of the portfolio, ranked #513.

Blackstone Inc first reported a position in ALEC in Q4 2022 and has held it in 15 quarters since. The position peaked at $166K in Q1 2026. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

Blackstone Inc held 77,145 shares of Alector worth $155K as of Q2 2026.
Blackstone Inc left its Alector share count unchanged in Q2 2026.
Alector made up ﹤0.01% of Blackstone Inc's portfolio in Q2 2026, its #513 holding.
Blackstone Inc first reported a position in Alector in Q4 2022 and has held it in 15 quarters since.
Blackstone Inc's Alector position peaked at $166K in Q1 2026.
141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

Based on Blackstone Inc's 13F filing for Q2 2026, filed 14 Aug 2026.