ALECTOR INC ALEC

US Healthcare Biological Products, (No Diagnostic Substances)
$2.06
+2.5%
52w: $1.14 – $3.32

Latest 13F among current holders filed 11 days ago (Jun 24, 2026)

Price — last 12 months

research preview data
1.142.233.32
Jun 20, 2025 Jul 2, 2026
Institutional holders
138
+7 QoQ
13F value
$190.0M
+43.6% QoQ
Smart-money holders
15
signal tier ≥ 2
New smart buyers
3
Q1 2026
Options barometer
31.1×
$670K calls / $22K puts

Institutional value by quarter

$502.0M
Q1 2024
$337.5M
Q2 2024
$351.1M
Q3 2024
$138.8M
Q4 2024
$89.8M
Q1 2025
$99.2M
Q2 2025
$221.6M
Q3 2025
$132.3M
Q4 2025
$190.0M
Q1 2026

Number of holders

158
Q1 2024
160
Q2 2024
160
Q3 2024
151
Q4 2024
142
Q1 2025
137
Q2 2025
149
Q3 2025
131
Q4 2025
138
Q1 2026

Who owns ALEC?

Q1 2026 filings
FundTypeSharesValue% of fundChange
TCG Crossover Management, LLC ★3Fundamental concentrated10.0M$21.5M0.6%Held
BlackRock, Inc. Index provider7.7M$16.6M0.0%+8.3%
ACADIAN ASSET MANAGEMENT LLC Quant stat arb4.0M$8.7M0.0%+17.3%
Foresite Capital Management IV, LLC ★2Fundamental diversified3.9M$8.4M3.5%Held
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical3.7M$7.9M0.0%
Merck & Co., Inc. ★3Fundamental concentrated3.5M$7.6M2.2%Held
D. E. Shaw & Co., Inc. Quant stat arb3.3M$7.2M0.0%+40.9%
683 Capital Management, LLC ★2Fundamental diversified3.2M$6.9M0.7%-4.5%
Balyasny Asset Management L.P. Multistrat pod2.9M$6.3M0.0%-10.1%
Nantahala Capital Management, LLC ★2Fundamental diversified2.8M$6.1M0.4%New
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical2.6M$5.6M0.0%
GEODE CAPITAL MANAGEMENT, LLC Index provider2.3M$4.9M0.0%+10.2%
JACOBS LEVY EQUITY MANAGEMENT, INC Other2.2M$4.6M0.0%-0.9%
Spruce Street Capital LP ★2Fundamental concentrated2.1M$4.5M1.1%+87.9%
Ikarian Capital, LLC ★2Fundamental diversified2.1M$4.5M0.6%Held
Kynam Capital Management, LP ★3Fundamental concentrated2.0M$4.3M0.3%Held
MILLENNIUM MANAGEMENT LLC Multistrat pod2.0M$4.3M0.0%+48.5%
STATE STREET CORP Index provider1.9M$4.0M0.0%+2.8%
FMR LLC Long only active1.8M$3.9M0.0%-19.5%
MEDICI CAPITAL LLC ★2Fundamental concentrated1.7M$3.6M5.0%+10.1%
Eversept Partners, LP ★2Fundamental diversified1.4M$2.9M0.2%+34.3%
Euclidean Capital LLC Wealth advisor1.3M$2.8M0.7%Held
RENAISSANCE TECHNOLOGIES LLC Quant stat arb1.3M$2.8M0.0%-16.6%
TWO SIGMA INVESTMENTS, LP Quant stat arb1.3M$2.8M0.0%+23.1%
DEUTSCHE BANK AG\ Bank broker1.1M$2.3M0.0%+5.6%
DEERFIELD MANAGEMENT COMPANY, L.P. Quant stat arb1.1M$2.3M0.0%Held
ADAR1 Capital Management, LLC Other1.1M$2.3M0.1%-5.2%
DAFNA Capital Management LLC ★2Fundamental diversified908.4K$2.0M0.5%Held
Elmind Capital, LP ★3Fundamental concentrated900.0K$1.9M0.5%Held
MACKENZIE FINANCIAL CORP Diversified mechanical857.4K$1.8M0.0%+29.9%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider787.4K$1.7M0.0%+18.3%
AQR CAPITAL MANAGEMENT LLC Quant stat arb711.3K$1.5M0.0%+18.6%
NORTHERN TRUST CORP Index provider692.3K$1.5M0.0%+17.8%
MARSHALL WACE, LLP Quant stat arb620.4K$1.3M0.0%-46.8%
GOLDMAN SACHS GROUP INC Bank broker604.6K$1.3M0.0%+38.0%
PANAGORA ASSET MANAGEMENT INC Diversified mechanical590.4K$1.3M0.0%-30.6%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical577.9K$1.2M0.0%
XTX Topco Ltd Market maker559.9K$1.2M0.0%-5.6%
BOOTHBAY FUND MANAGEMENT, LLC Diversified mechanical559.7K$1.2M0.0%Held
Affinity Asset Advisors, LLC ★2Fundamental diversified500.0K$1.1M0.1%New
JANE STREET GROUP, LLC Market maker399.5K$859K0.0%-59.8%
BANK OF AMERICA CORP /DE/ Bank broker380.9K$819K0.0%+183.2%
MORGAN STANLEY Bank broker364.6K$784K0.0%+14.3%
DIMENSIONAL FUND ADVISORS LP Quant stat arb283.8K$610K0.0%+42.5%
AMERIPRISE FINANCIAL INC Bank broker271.3K$583K0.0%-23.4%
Invesco Ltd. Index provider265.1K$570K0.0%-5.2%
Bank of New York Mellon Corp Diversified mechanical252.3K$542K0.0%+15.8%
NANO CAP NEW MILLENNIUM GROWTH FUND L P Other200.0K$430K0.4%Held
CANADA PENSION PLAN INVESTMENT BOARD Pension sovereign183.2K$394K0.0%+6.3%
Nuveen, LLC Diversified mechanical154.9K$333K0.0%+16.3%

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