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SEI INVESTMENTS CO

Position in ALEC — Alector, Inc.

CIK 350894 OAKS, PA

Position in ALEC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$143,013
+$27,245 QoQ
Shares Held
71,151
+32.1% QoQ
Ownership
0.064%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#64
of 140 holders
Holding Since
Sep 2021
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALEC Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SEI INVESTMENTS CO holds $1,273,690,748 across 210 Biotechnology names. ALEC ranks #173 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALEC

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $143,013 71,151
2026-03-31 $115,768 53,846
2025-12-31 $26,339 16,884
2025-09-30 $49,976 16,884
2025-06-30 $23,637 16,884
2025-03-31 $20,767 16,884
2022-12-31 $384,992 41,711
2022-09-30 $461,449 48,779
2021-12-31 $285,279 13,815
2021-09-30 $353,710 15,500