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MILLENNIUM MANAGEMENT LLC

Position in ALEC — Alector, Inc.

CIK 1273087 NEW YORK, NY

Position in ALEC

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$4,255,335
+$2,175,990 QoQ
Shares Held
1,979,226
+48.5% QoQ
Ownership
1.78%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 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

MILLENNIUM MANAGEMENT LLC holds $4,468,729,571 across 342 Biotechnology names. ALEC ranks #190 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ALEC

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,255,335 1,979,226
2025-12-31 $2,079,345 1,332,914
2025-09-30 $3,418,879 1,155,027
2025-06-30 $575,124 410,803
2025-03-31 $325,723 264,816
2024-12-31 $141,154 74,685
2024-09-30 $238,675 51,218
2024-06-30 $711,781 156,780
2024-03-31 $615,256 102,202
2023-12-31 $1,880,367 235,635
2023-09-30 $2,311,837 356,765
2023-06-30 $363,394 60,465
2023-03-31 $118,105 19,080
2022-12-31 $466,133 50,502
2022-09-30 $1,670,361 176,571
2022-06-30 $6,245,799 614,744
2022-03-31 $16,246,268 1,140,089
2021-12-31 $8,078,403 391,206
2021-09-30 $4,896,031 214,550
2021-06-30 $1,231,844 59,138
2021-03-31 $421,993 20,953
2020-12-31 $1,127,502 74,521
2020-09-30 $2,863,065 271,767
2020-06-30 $3,974,823 162,636
2020-03-31 $1,295,177 53,675