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ALEC NASDAQ

Alector, Inc.
1W: -3.9% 1M: -9.8% 3M: +11.1% YTD: +44.4% 1Y: +61.3% 3Y: -71.0% 5Y: -87.0%
$2.21
+0.00 (+0.00%)
 
Weekly Expected Move ±11.8%
$2 $2 $2 $2 $3
NASDAQ · Healthcare · Biotechnology · Alpha Radar Sell · Power 31 · $245.4M mcap · 78M float · 0.911% daily turnover · Short 56% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
156
Institutions Holding
-19 vs prior
55.1%
Ownership
+3.77%
26 New
37 Increased
71 Reduced
40 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-04-16 Wong-Sarad Grace officer: principal accounting officer S-Sale 1,820 $2.65 $5K Filing
2026-03-15 Berkley Neil Lindsay officer: cfo & chief business officer A-Grant/Award 54,600 $— $0 Filing
2026-03-10 Wong-Sarad Grace officer: principal accounting officer S-Sale 1,000 $2.65 $3K Filing
2026-03-03 Wong-Sarad Grace officer: principal accounting officer S-Sale 3,367 $2.08 $7K Filing
2026-03-02 Berkley Neil Lindsay officer: cfo & chief business officer S-Sale 29,649 $2.12 $63K Filing
2026-03-02 Wong-Sarad Grace officer: principal accounting officer S-Sale 8,071 $2.12 $17K Filing
2026-03-02 Rosenthal Arnon officer: chief executive officer S-Sale 81,864 $2.12 $174K Filing
2026-02-26 Wong-Sarad Grace officer: principal accounting officer S-Sale 4,079 $2.50 $10K Filing
2025-12-05 Wong-Sarad Grace officer: principal accounting officer S-Sale 4,753 $1.21 $6K Filing
2025-12-03 Rosenthal Arnon officer: chief executive officer S-Sale 104,347 $1.12 $117K Filing
2025-12-03 Kenkare-Mitra Sara officer: president and head of r&d S-Sale 41,687 $1.12 $47K Filing
2025-12-03 Wong-Sarad Grace officer: principal accounting officer S-Sale 8,056 $1.12 $9K Filing
2025-12-03 Berkley Neil Lindsay officer: chief bus ofcr & interim cfo S-Sale 37,261 $1.12 $42K Filing
2025-11-10 Wong-Sarad Grace officer: principal accounting officer A-Grant/Award 32,343 $— $0 Filing
2025-11-10 Berkley Neil Lindsay officer: chief bus ofcr & interim cfo A-Grant/Award 65,000 $— $0 Filing
2025-11-10 Rosenthal Arnon officer: chief executive officer A-Grant/Award 174,167 $— $0 Filing
2025-09-02 Wong-Sarad Grace officer: principal accounting officer S-Sale 5,910 $2.50 $15K Filing
2025-09-02 Berkley Neil Lindsay officer: principal financial officer S-Sale 15,842 $2.50 $40K Filing
2025-09-02 Kenkare-Mitra Sara officer: president and head of r&d S-Sale 23,638 $2.50 $59K Filing
2025-09-02 Rosenthal Arnon officer: chief executive officer S-Sale 51,562 $2.50 $129K Filing
2025-08-26 Hammond Paula director S-Sale 14,000 $2.36 $33K Filing
2025-07-01 Rosenthal Arnon officer: chief executive officer A-Grant/Award 137,125 $— $0 Filing
2025-07-01 Kenkare-Mitra Sara officer: president and head of r&d A-Grant/Award 54,725 $— $0 Filing
2025-06-20 Yaffe Kristine director S-Sale 1,000 $1.44 $1K Filing
2025-06-11 Altmeyer Mark director A-Grant/Award 28,700 $— $0 Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
TCG Crossover Management, LLC 10,000,000 $22M 2026-03-31 Filing
BlackRock, Inc. 7,741,245 $17M +593,479 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 3,678,722 $8M +3,678,722 2026-03-31 Filing
Merck & Co., Inc. 3,545,719 $8M 2026-03-31 Filing
Balyasny Asset Management L.P. 2,935,253 $6M -330,322 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 2,583,542 $6M +2,583,542 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 2,286,218 $5M +210,998 2026-03-31 Filing
JACOBS LEVY EQUITY MANAGEMENT, INC 2,154,361 $5M -18,841 2026-03-31 Filing
Spruce Street Capital LP 2,101,068 $5M +983,082 2026-03-31 Filing
Ikarian Capital, LLC 2,082,606 $4M 2026-03-31 Filing
Kynam Capital Management, LP 2,000,000 $4M 2026-03-31 Filing
STATE STREET CORP 1,865,526 $4M +51,228 2026-03-31 Filing
FMR LLC 1,796,104 $4M -435,067 2026-03-31 Filing
MEDICI CAPITAL LLC 1,652,520 $4M +152,000 2026-03-31 Filing
Eversept Partners, LP 1,351,106 $3M +344,943 2026-03-31 Filing
RENAISSANCE TECHNOLOGIES LLC 1,287,691 $3M -255,959 2026-03-31 Filing
DEUTSCHE BANK AG 1,092,903 $2M +57,749 2026-03-31 Filing
ADAR1 Capital Management, LLC 1,050,000 $2M -58,000 2026-03-31 Filing
DAFNA Capital Management LLC 908,351 $2M 2026-03-31 Filing
MACKENZIE FINANCIAL CORP 857,354 $2M +197,186 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms