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Alector

149 hedge funds and large institutions have $221M invested in Alector in 2025 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 45 increasing their positions, 40 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

13% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 40

10% more funds holding

Funds holding: 135149 (+14)

3.35% more ownership

Funds ownership: 70.51%73.86% (+3.3%)

Holders
149
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.93M
Puts
$807K
Net Calls
Net Calls Change

Top Buyers

1 +$20.7M
2 +$2.96M
3 +$2.2M
4
Barclays
Barclays
United Kingdom
+$2.08M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$1.31M

Top Sellers

1 -$7.96M
2 -$2.41M
3 -$2.3M
4
EP
Eversept Partners
New York
-$1.47M
5
SCM
Sio Capital Management
New York
-$1.18M
Name Holding Trade Value Shares
Change
Change in
Stake
Optiver Holding
126
Optiver Holding
Netherlands
$3.01K
TWD
127
True Wealth Design
Ohio
$2.37K
PWA
128
Physician Wealth Advisors
Utah
$2.23K
Point72 Asset Management
129
Point72 Asset Management
Connecticut
$1.6K
CA
130
Clearstead Advisors
Ohio
$1.34K
FFO
131
Fortitude Family Office
Arizona
$1.3K
FDCDDQ
132
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.23K
RA
133
Rise Advisors
New York
$1.21K
RWM
134
Rialto Wealth Management
New York
$1.19K
WSFS
135
Wilmington Savings Fund Society
Delaware
$1.18K
PNC Financial Services Group
136
PNC Financial Services Group
Pennsylvania
$1.09K
Daiwa Securities Group
137
Daiwa Securities Group
Japan
$1K
MSFP
138
Mark Sheptoff Financial Planning
Connecticut
$888
ASN
139
Advisory Services Network
Georgia
$803
HFS
140
Hughes Financial Services
Virginia
$724
RIL
141
Rothschild Investment LLC
Illinois
$648
National Bank of Canada
142
National Bank of Canada
Quebec, Canada
$592
AF
143
Allworth Financial
California
$249
IA
144
IFP Advisors
Florida
$181
NA
145
NewEdge Advisors
Louisiana
$95
Comerica Bank
146
Comerica Bank
Texas
$63
SS
147
SBI Securities
Japan
$59
TC
148
Truvestments Capital
Florida
$6
ACM
149
ADAR1 Capital Management
Texas
SCM
150
Sio Capital Management
New York