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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 %
D.E. Shaw & Co
26
D.E. Shaw & Co
New York
$748K 534,200 +64,899 +14%
PAM
27
Panagora Asset Management
Massachusetts
$723K 516,680 +150,135 +41%
BFM
28
Boothbay Fund Management
New York
$642K 458,863 +184,503 +67%
Millennium Management
29
Millennium Management
New York
$575K 410,803 +145,987 +55%
AQR Capital Management
30
AQR Capital Management
Connecticut
$569K 406,618 -85,974 -17%
Dimensional Fund Advisors
31
Dimensional Fund Advisors
Texas
$537K 383,331 -106,003 -22%
Two Sigma Advisers
32
Two Sigma Advisers
New York
$528K 377,000 -15,900 -4%
Goldman Sachs
33
Goldman Sachs
New York
$524K 374,477 +62,332 +20%
Royal Bank of Canada
34
Royal Bank of Canada
Ontario, Canada
$513K 367,188 +362,395 +7,561%
Bank of America
35
Bank of America
North Carolina
$481K 343,909 +5,927 +2%
NLVP
36
New Leaf Venture Partners
New York
$475K 339,569 – –
Manulife (Manufacturers Life Insurance)
37
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$439K 313,578 +189,686 +153%
Mackenzie Financial
38
Mackenzie Financial
Ontario, Canada
$384K 274,442 +274,442 New
Bank of New York Mellon
39
Bank of New York Mellon
New York
$376K 268,872 +19,378 +8%
Walleye Capital
40
Walleye Capital
New York
$373K 266,204 -39,397 -13%
DP
41
Diadema Partners
New Jersey
$372K 266,023 -190,523 -42%
SOW
42
State of Wyoming
Wyoming
$312K 223,092 +26,278 +13%
Two Sigma Investments
43
Two Sigma Investments
New York
$311K 222,139 +7,714 +4%
AI
44
Alphabet Inc
California
$246K 175,866 – –
Invesco
45
Invesco
Georgia
$246K 175,801 +27,225 +18%
Barclays
46
Barclays
United Kingdom
$238K 169,795 +44,709 +36%
MC
47
Medici Capital
California
$234K 167,191 – –
NL
48
Nuveen LLC
North Carolina
$218K 155,613 +17,433 +13%
Los Angeles Capital Management
49
Los Angeles Capital Management
California
$213K 151,896 +7,600 +5%
GCP
50
GSA Capital Partners
United Kingdom
$211K 150,669 +150,669 New
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