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Alector

146 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, 44 increasing their positions, 38 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:

16% more repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 38

8% more funds holding

Funds holding: 135146 (+11)

3.33% more ownership

Funds ownership: 70.51%73.84% (+3.3%)

Holders
146
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
Tudor Investment Corp
76
Tudor Investment Corp
Connecticut
$122K
IIM
77
INTECH Investment Management
Florida
$98.9K
Mirae Asset Global ETFs Holdings
78
Mirae Asset Global ETFs Holdings
Hong Kong
$95.1K
PAP
79
Persistent Asset Partners
Hong Kong
$92.5K
MIM
80
MetLife Investment Management
New Jersey
$85.3K
Prudential Financial
81
Prudential Financial
New Jersey
$82.9K
Cerity Partners
82
Cerity Partners
New York
$79.3K
Vontobel Holding
83
Vontobel Holding
Switzerland
$77K
Blackstone Inc
84
Blackstone Inc
New York
$76.1K
Carson Wealth (CWM LLC)
85
Carson Wealth (CWM LLC)
Nebraska
$75K
AWM
86
Apollon Wealth Management
South Carolina
$74K
PFSRSONJ
87
Police & Firemen's Retirement System of New Jersey
New Jersey
$69.3K
Group One Trading
88
Group One Trading
Illinois
$66.1K
GCM
89
Graham Capital Management
Connecticut
$62.8K
American Century Companies
90
American Century Companies
Missouri
$60.6K
EAM
91
Erste Asset Management
Austria
$58K
BNP Paribas Financial Markets
92
BNP Paribas Financial Markets
France
$54.1K
CUAMC
93
China Universal Asset Management Company
China
$52.5K
SEI Investments
94
SEI Investments
Pennsylvania
$50K
Creative Planning
95
Creative Planning
Kansas
$46.5K
DIM
96
DLK Investment Management
California
$45.9K
ProShare Advisors
97
ProShare Advisors
Maryland
$45.7K
EGM
98
Engineers Gate Manager
New York
$42.9K
HLA
99
Hamilton Lane Advisors
Pennsylvania
$42.6K
DT
100
Diversified Trust
Tennessee
$41.7K