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ALEC

ALEC

Alector, Inc.Healthcare

Institutional holders
125
As of Q2 2026
Total 13F value
$196.1M
Sum of disclosed positions
New positions
13
This quarter
Sold positions
9
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
TCG Crossover Management, LLC

Tcg Crossover Management, Llc

$20.1M10.00M0.48%Unchanged
Nantahala Capital Management, LLC

Nantahala Capital Management, Llc

$17.4M8.64M0.29%+53.3%
BlackRock, Inc.

Blackrock, Inc.

$15.8M7.85M0.00%+1.4%
ACADIAN ASSET MANAGEMENT LLC

Acadian Asset Management Llc

$8.9M4.41M0.01%+9.3%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$8.1M4.01M0.00%+9.0%
Kynam Capital Management, LP

Kynam Capital Management, Lp

$7.7M3.81M0.42%+90.4%
Merck & Co., Inc.

Merck & Co., Inc.

$7.1M3.55M1.35%Unchanged
BALYASNY ASSET MANAGEMENT L.P.

Balyasny Asset Management Llc

$6.5M3.25M0.01%+10.6%
683 Capital Management, LLC

683 Capital Management, Llc

$6.4M3.20M0.32%Unchanged
D. E. Shaw & Co., Inc.

D.E. Shaw & Co

$5.9M2.96M0.00%-11.2%
ADAR1 Capital Management, LLC

Adar1 Capital Management, Llc

$5.8M2.88M0.27%+174.6%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$5.7M2.82M0.00%+9.2%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$4.9M2.45M0.00%+7.3%
Spruce Street Capital LP

Spruce Street Capital Lp

$4.2M2.10M0.83%Unchanged
MILLENNIUM MANAGEMENT LLC

Millennium Management

$4M1.99M0.00%+0.5%
Ikarian Capital, LLC

Ikarian Capital, Llc

$4M1.98M0.43%-4.8%
STATE STREET CORP

State Street Corporation

$3.8M1.88M0.00%+0.8%
JACOBS LEVY EQUITY MANAGEMENT, INC

Jacobs Levy Equity Management, Inc

$3.5M1.77M0.01%-18.0%
MEDICI CAPITAL LLC

Medici Capital Llc

$3.3M1.65M6.51%Unchanged
Affinity Asset Advisors, LLC

Affinity Asset Advisors, Llc

$3M1.51M0.14%+202.0%
Eversept Partners, LP

Eversept Partners, Lp

$2.9M1.42M0.15%+5.4%
FMR LLC

Fmr Llc

$2.8M1.40M0.00%-22.3%
AQR CAPITAL MANAGEMENT LLC

Aqr Capital Management Llc

$2.6M1.31M0.00%+84.1%
Euclidean Capital LLC

Euclidean Capital Llc

$2.6M1.31M0.60%Unchanged
MACKENZIE FINANCIAL CORP

Mackenzie Financial Corp

$2.2M1.11M0.00%+29.4%
DEUTSCHE BANK AG\

Deutsche Bank Ag\

$2.2M1.10M0.00%+0.5%
DEERFIELD MANAGEMENT COMPANY, L.P.

Deerfield Management Company, L.P. (Series C)

$2.1M1.06M0.02%Unchanged
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$2.1M1.05M0.00%-18.3%
RENAISSANCE TECHNOLOGIES LLC

Renaissance Technologies

$1.9M935.2K0.00%-27.4%
DAFNA Capital Management LLC

Dafna Capital Management Llc

$1.8M908.4K0.35%Unchanged
Elmind Capital, LP

Elmind Capital, Lp

$1.8M900.0K0.45%Unchanged
PANAGORA ASSET MANAGEMENT INC

Panagora Asset Management Inc

$1.7M846.0K0.01%+43.3%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$1.6M818.8K0.00%+4.0%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$1.6M818.8K0.00%New Position
CITADEL ADVISORS LLC

Citadel Advisors

$1.6M782.5K0.00%+404.5%
NORTHERN TRUST CORP

Northern Trust Corp

$1.6M773.5K0.00%+11.7%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$1.3M663.6K0.00%+14.8%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$1.3M3.8K0.00%-47.7%
MARSHALL WACE, LLP

Marshall Wace, Llp

$1.2M598.6K0.00%-3.5%
CANTOR FITZGERALD, L. P.

Cantor Fitzgerald, L. P.

$1.2M591.0K0.01%New Position
BOOTHBAY FUND MANAGEMENT, LLC

Boothbay Fund Management, Llc

$1.1M532.9K0.01%-4.8%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$872K433.9K0.00%-28.2%
XTX Topco Ltd

Xtx Topco Ltd

$803K399.7K0.01%-28.6%
UBS Group AG

Ubs Group Ag

$550K273.8K0.00%+88.4%
Invesco Ltd.

Invesco Ltd.

$517K257.1K0.00%-3.0%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$503K250.1K0.00%-0.9%
AMERIPRISE FINANCIAL INC

Ameriprise Financial Inc

$451K224.5K0.00%-17.2%
LMR Partners LLP

Lmr Partners Llp

$402K200.0K0.00%New Position
NANO CAP NEW MILLENNIUM GROWTH FUND L P

Nano Cap New Millennium Growth Fund L P

$402K200.0K0.31%Unchanged
Nuveen, LLC

Nuveen, Llc

$354K176.2K0.00%+13.8%

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