Institutional Ownership Alector, Inc. (ALEC)
This table provides information about the institutional ownership of Alector, Inc. (ALEC). We have compiled data on the 158 institutions that hold shares in the stock, with a total of 58 Million shares, which have been reported (via 13F filing form) to have a value of $71.9 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
609,909
shares
|
$756,287
0.0% of portfolio
|
Q3 2025
Added 62.87%
|
|
|
Boothbay Fund Management, LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
524,077
shares
|
$649,855
0.03% of portfolio
|
Q3 2025
Added 14.21%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Nov 14, 2025 Q3 2025 |
517,400
shares
|
$641,576
0.0% of portfolio
|
Q3 2025
Added 37.24%
|
|
|
Medici Capital LLC
Newport Beach, CA |
Nov 13, 2025 Q3 2025 |
481,974
shares
|
$597,647
1.03% of portfolio
|
Q3 2025
Added 188.28%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
471,581
shares
|
$584,760
0.0% of portfolio
|
Q3 2025
Reduced 14.54%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
438,087
shares
|
$543,227
0.0% of portfolio
|
Q3 2025
Added 7.74%
|
|
|
Morgan Stanley
New York, NY |
Nov 14, 2025 Q3 2025 |
434,168
shares
|
$538,368
0.0% of portfolio
|
Q3 2025
Reduced 28.42%
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
350,231
shares
|
$434,286
0.0% of portfolio
|
Q3 2025
Added 1362.22%
|
|
|
New Leaf Venture Partners, L.L.C.
New York, NY |
Nov 13, 2025 Q3 2025 |
339,569
shares
|
$421,065
2.32% of portfolio
|
Q2 2020
Reduced 46.91%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
308,660
shares
|
$382,738
0.0% of portfolio
|
Q3 2025
Added 51.45%
|
|
|
Two Sigma Investments, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
307,179
shares
|
$380,901
0.0% of portfolio
|
Q3 2025
Added 38.28%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
Nov 12, 2025 Q3 2025 |
295,846
shares
|
$366,849
0.0% of portfolio
|
Q3 2025
Reduced 22.82%
|
|
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
Nov 13, 2025 Q3 2025 |
283,712
shares
|
$351,802
0.0% of portfolio
|
Q3 2025
Added 3.38%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
274,042
shares
|
$339,812
0.0% of portfolio
|
Q3 2025
Added 1838.75%
|
|
|
Td Asset Management Inc
|
Nov 10, 2025 Q3 2025 |
273,738
shares
|
$339,435
0.0% of portfolio
|
Q3 2025
Reduced 58.0%
|
|
|
Bank Of America Corp
Charlotte, NC |
Nov 14, 2025 Q3 2025 |
246,283
shares
|
$305,390
0.0% of portfolio
|
Q3 2025
Reduced 28.39%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
230,499
shares
|
$285,818
0.0% of portfolio
|
Q3 2025
Added 450.21%
|
|
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
Nov 14, 2025 Q3 2025 |
216,574
shares
|
$268,551
0.0% of portfolio
|
Q3 2025
Reduced 30.93%
|
|
|
Invesco Ltd.
Atlanta, GA |
Nov 13, 2025 Q3 2025 |
192,311
shares
|
$238,465
0.0% of portfolio
|
Q3 2025
Added 9.39%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
187,042
shares
|
$231,932
0.0% of portfolio
|
Q4 2024
Reduced 28.09%
|
|
|
Alphabet Inc.
Mountain View, CA |
Nov 06, 2025 Q3 2025 |
175,866
shares
|
$218,073
0.03% of portfolio
|
Q4 2019
Reduced 10.94%
|
|
|
Marshall Wace, LLP
London, X0 |
Nov 13, 2025 Q3 2025 |
151,643
shares
|
$188,037
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Jpmorgan Chase & CO
New York, NY |
Nov 26, 2025 Q3 2025 |
136,385
shares
|
$169,117
0.0% of portfolio
|
Q3 2025
Reduced 90.82%
|
|
|
Diadema Partners LP
Morristown, NJ |
Nov 14, 2025 Q3 2025 |
136,023
shares
|
$168,668
0.1% of portfolio
|
Q3 2025
Reduced 48.87%
|
|
|
Nuveen, LLC
Charlotte, NC |
Nov 12, 2025 Q3 2025 |
133,248
shares
|
$165,227
0.0% of portfolio
|
Q3 2025
Reduced 14.37%
|
|