Casdin Capital’s Alector ALEC Stock Holding History

Casdin Capital’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
2022 Q1	–	Sell	-1,650,000	Closed	-$34.1M	–	48
2021 Q4	$34.1M	Hold	1,650,000	–	–	0.96%	30
2021 Q3	$37.7M	Hold	1,650,000	–	–	0.94%	31
2021 Q2	$34.4M	Hold	1,650,000	–	–	0.87%	28
2021 Q1	$33.2M	Hold	1,650,000	–	–	0.99%	26
2020 Q4	$25M	Hold	1,650,000	–	–	0.74%	31
2020 Q3	$17.4M	Buy	1,650,000 +573,961	+53%	+$9.28M	0.78%	29
2020 Q2	$26.3M	Hold	1,076,039	–	–	1.56%	23
2020 Q1	$26M	Hold	1,076,039	–	–	2.76%	14
2019 Q4	$18.5M	Buy	1,076,039 +265,000	+33%	+$4.5M	1.71%	20
2019 Q3	$11.7M	Buy	811,039 +260,000	+47%	+$4.69M	1.21%	24
2019 Q2	$10.2M	Buy	551,039 +220,000	+66%	+$4.47M	0.95%	25
2019 Q1	$6.2M	Buy	+331,039	New	+$6.26M	0.68%	27

Other funds holding ALEC

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Casdin Capital's ALEC Position: Q1 2022 in Review

Casdin Capital sold out of Alector (ALEC) in Q1 2022, closing a stake of 1,650,000 shares — an estimated $34.1M sold.

Casdin Capital first reported a position in ALEC in Q1 2019 and held it in 12 quarters. The position peaked at $37.7M in Q3 2021. 166 funds tracked by Wall St. Rank hold ALEC as of Q1 2022.

Casdin Capital reported no remaining Alector position as of Q1 2022 after selling out during the quarter.
Casdin Capital sold 1,650,000 Alector shares in Q1 2022, an estimated $34.1M.
Casdin Capital first reported a position in Alector in Q1 2019 and held it in 12 quarters.
Casdin Capital's Alector position peaked at $37.7M in Q3 2021.
166 funds tracked by Wall St. Rank held Alector as of Q1 2022.

Based on Casdin Capital's 13F filing for Q1 2022, filed 16 May 2022.