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Alector

138 hedge funds and large institutions have $190M invested in Alector in 2026 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 44 increasing their positions, 36 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

2,945% more call options, than puts

Call options by funds: $670K | Put options by funds: $22K

45% more first-time investments, than exits

New positions opened: 29 | Existing positions closed: 20

44% more capital invested

Capital invested by funds: $132M → $190M (+$57.8M)

22% more repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 36

5% more funds holding

Funds holding: 131138 (+7)

2.72% more ownership

Funds ownership: 77.38%80.1% (+2.7%)

33% less funds holding in top 10

Funds holding in top 10: 64 (-2)

Holders
138
Holders Change
+7
Holders Change %
+5.34%
% of All Funds
1.7%
Holding in Top 10
4
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
29
Increased
44
Reduced
36
Closed
20
Calls
$670K
Puts
$22K
Net Calls
+$648K
Net Calls Change
+$54K
Name Holding Trade Value Shares
Change
Change in
Stake
DM
26
Deerfield Management
New York
$2.27M
ACM
27
ADAR1 Capital Management
Texas
$2.26M -$116K -58,000 -5%
DCM
28
DAFNA Capital Management
California
$1.95M
EC
29
Elmind Capital
New York
$1.94M
Mackenzie Financial
30
Mackenzie Financial
Ontario, Canada
$1.84M +$396K +197,186 +30%
Charles Schwab
31
Charles Schwab
California
$1.69M +$245K +121,917 +18%
AQR Capital Management
32
AQR Capital Management
Connecticut
$1.53M +$224K +111,765 +19%
Northern Trust
33
Northern Trust
Illinois
$1.49M +$210K +104,603 +18%
Marshall Wace
34
Marshall Wace
United Kingdom
$1.33M -$1.1M -546,393 -47%
Goldman Sachs
35
Goldman Sachs
New York
$1.3M +$335K +166,603 +38%
PAM
36
Panagora Asset Management
Massachusetts
$1.27M -$522K -259,910 -31%
VFT
37
Vanguard Fiduciary Trust
Pennsylvania
$1.24M +$1.16M +577,939 New
XT
38
XTX Topco
Cayman Islands
$1.2M -$66.2K -32,943 -6%
BFM
39
Boothbay Fund Management
New York
$1.2M
AAA
40
Affinity Asset Advisors
New York
$1.07M +$1M +500,000 New
Jane Street
41
Jane Street
New York
$859K -$1.19M -594,449 -60%
Bank of America
42
Bank of America
North Carolina
$819K +$495K +246,402 +183%
Morgan Stanley
43
Morgan Stanley
New York
$784K +$91.4K +45,495 +14%
Dimensional Fund Advisors
44
Dimensional Fund Advisors
Texas
$610K +$170K +84,691 +43%
Ameriprise
45
Ameriprise
Minnesota
$583K -$167K -83,027 -23%
Invesco
46
Invesco
Georgia
$570K -$28.9K -14,401 -5%
Bank of New York Mellon
47
Bank of New York Mellon
New York
$542K +$69.2K +34,435 +16%
NCNMGF
48
Nano-Cap New Millennium Growth Fund
New York
$430K
Canada Pension Plan Investment Board
49
Canada Pension Plan Investment Board
Ontario, Canada
$394K +$21.9K +10,900 +6%
N
50
Nuveen
North Carolina
$333K +$43.5K +21,682 +16%