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XTX Topco Ltd

Position in ALEC — Alector, Inc.

CIK 1828301 LONDON, X0

Position in ALEC

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,203,776
+$278,948 QoQ
Shares Held
559,896
-5.6% QoQ
Ownership
0.504%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2023
12 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 Mar 31, 2026

XTX Topco Ltd holds $285,597,237 across 374 Biotechnology names. ALEC ranks #73 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALEC

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12 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,203,776 559,896
2025-12-31 $924,828 592,839
2025-09-30 $291,598 98,513
2025-06-30 $102,673 73,338
2025-03-31 $40,062 32,571
2024-12-31 $96,335 50,971
2024-09-30 $133,229 28,590
2024-06-30 $141,053 31,069
2024-03-31 $114,927 19,091
2023-12-31 $522,514 65,478
2023-09-30 $240,835 37,166
2023-06-30 $70,479 11,727