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Alector
ALEC

Overview Fund Activity

134 hedge funds and large institutions have $98.4M invested in Alector in 2025 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 46 increasing their positions, 37 reducing their positions, and 23 closing their positions.

Holders
134
Holders Change
-8
Holders Change %
-5.63%
% of All Funds
1.8%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
16
Increased
46
Reduced
37
Closed
23
Calls
$229K
Puts
$19K
Net Calls
+$210K
Net Calls Change
-$163K

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$6.83M
2
EP
2
Eversept Partners
New York
$2.78M
3
ACM
3
ADAR1 Capital Management
Texas
$2.41M
4
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$3.03M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$21M

Top Sellers

1
RCM
1
RA Capital Management
Massachusetts
$0
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$63.7K
3
Franklin Resources
3
Franklin Resources
California
$0
4
BlackRock
4
BlackRock
New York
$11.2M
5
AC
5
Almitas Capital
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$21M 14,998,889 +608,650 +4%
BlackRock
2
BlackRock
New York
$11.2M 7,973,580 -306,122 -4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$8.38M 5,987,704 -65,337 -1%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$6.83M 4,875,264 +4,198,951 +621%
MC
5
Merck & Co
New Jersey
$4.96M 3,545,719 – –
Acadian Asset Management
6
Acadian Asset Management
Massachusetts
$3.03M 2,170,388 +729,727 +51%
EP
7
Eversept Partners
New York
$2.78M 1,986,072 +1,368,654 +222%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$2.78M 1,982,068 +19,970 +1%
ACM
9
ADAR1 Capital Management
Texas
$2.41M 1,723,526 +1,343,196 +353%
State Street
10
State Street
Massachusetts
$2.39M 1,709,902 +69,640 +4%
Jacobs Levy Equity Management
11
Jacobs Levy Equity Management
New Jersey
$1.85M 1,322,882 -11,150 -0.8%
EC
12
Euclidean Capital
New York
$1.83M 1,307,858 – –
Renaissance Technologies
13
Renaissance Technologies
New York
$1.76M 1,254,850 +220,995 +21%
DM
14
Deerfield Management
New York
$1.48M 1,055,192 – –
5VM
15
5AM Venture Management
California
$1.39M 995,841 – –
Deutsche Bank
16
Deutsche Bank
Germany
$1.39M 989,747 -111,800 -10%
VPC
17
Vestal Point Capital
New York
$1.37M 976,992 +472,452 +94%
DCM
18
DAFNA Capital Management
California
$1.28M 912,928 – –
IC
19
Ikarian Capital
Texas
$1.26M 900,000 -50,000 -5%
SCM
20
Sio Capital Management
New York
$1.18M 845,531 +8,372 +1%
Northern Trust
21
Northern Trust
Illinois
$921K 658,161 -39,068 -6%
TD Asset Management
22
TD Asset Management
Ontario, Canada
$912K 651,738 +540,000 +483%
Charles Schwab
23
Charles Schwab
California
$907K 647,653 +22,923 +4%
Morgan Stanley
24
Morgan Stanley
New York
$849K 606,552 +259,845 +75%
Citadel Advisors
25
Citadel Advisors
Florida
$773K 551,820 +546,382 +10,047%
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