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Alector
ALEC

Overview Fund Activity

142 hedge funds and large institutions have $89.8M invested in Alector in 2025 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 45 increasing their positions, 34 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
142
Holders Change
-8
Holders Change %
-5.33%
% of All Funds
1.93%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
21
Increased
45
Reduced
34
Closed
28
Calls
$402K
Puts
$29K
Net Calls
+$373K
Net Calls Change
+$131K

Top Buyers

1
VPC
1
Vestal Point Capital
New York
$621K
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$7.45M
3
EP
3
Eversept Partners
New York
$759K
4
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$1.77M
5
Jacobs Levy Equity Management
5
Jacobs Levy Equity Management
New Jersey
$1.64M

Top Sellers

1
BlackRock
1
BlackRock
New York
$10.2M
2
Citadel Advisors
2
Citadel Advisors
Florida
$6.69K
3
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$602K
4
Morgan Stanley
4
Morgan Stanley
New York
$426K
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$17.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
AQR Capital Management
26
AQR Capital Management
Connecticut
$606K -$86.5K -70,344 -12%
Dimensional Fund Advisors
27
Dimensional Fund Advisors
Texas
$602K -$483K -392,786 -45%
D.E. Shaw & Co
28
D.E. Shaw & Co
New York
$577K +$123K +100,324 +27%
DP
29
Diadema Partners
New Jersey
$562K +$268K +217,527 +91%
Two Sigma Advisers
30
Two Sigma Advisers
New York
$483K -$45.5K -37,000 -9%
ACM
31
ADAR1 Capital Management
Texas
$468K +$14.8K +12,000 +3%
PAM
32
Panagora Asset Management
Massachusetts
$451K -$3.12K -2,534 -0.7%
Morgan Stanley
33
Morgan Stanley
New York
$426K -$374K -303,834 -47%
NLVP
34
New Leaf Venture Partners
New York
$418K – – –
Bank of America
35
Bank of America
North Carolina
$416K +$23.8K +19,334 +6%
AC
36
Almitas Capital
California
$396K +$45.2K +36,723 +13%
Goldman Sachs
37
Goldman Sachs
New York
$384K -$119K -96,931 -24%
Walleye Capital
38
Walleye Capital
New York
$376K +$195K +158,922 +108%
BFM
39
Boothbay Fund Management
New York
$337K -$24.3K -19,796 -7%
Millennium Management
40
Millennium Management
New York
$326K +$234K +190,131 +255%
Jane Street
41
Jane Street
New York
$316K +$14.3K +11,618 +5%
Susquehanna International Group
42
Susquehanna International Group
Pennsylvania
$311K +$65.6K +53,357 +27%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$307K +$23.1K +18,765 +8%
Two Sigma Investments
44
Two Sigma Investments
New York
$264K -$238K -193,564 -47%
SOW
45
State of Wyoming
Wyoming
$242K +$242K +196,814 New
AI
46
Alphabet Inc
California
$216K – – –
MC
47
Medici Capital
California
$206K – – –
BNP Paribas Financial Markets
48
BNP Paribas Financial Markets
France
$193K -$10.2K -8,280 -5%
Invesco
49
Invesco
Georgia
$183K +$124K +100,591 +210%
Los Angeles Capital Management
50
Los Angeles Capital Management
California
$177K +$65.9K +53,560 +59%
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