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Alector (ALEC) Institutional Ownership

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$2.16 +0.01 (+0.47%)
Closing price 04:00 PM Eastern
Extended Trading
$2.16 +0.00 (+0.23%)
As of 04:32 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Alector (NASDAQ:ALEC)

Current
Institutional Ownership
Percentage
85.83%
Number of
Institutional Buyers
(last 12 months)
68
Total
Institutional Inflows
(last 12 months)
$46.73M
Number of
Institutional Sellers
(last 12 months)
28
Total
Institutional Outflows
(last 12 months)
$11.87M
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ALEC Institutional Buying and Selling by Quarter

Alector Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026 Bank of America Corp DE380,908$819K0.0%+183.2%0.343%
5/18/2026 ADAR1 Capital Management LLC1,050,000$2.26M0.1%-5.2%0.946%
5/18/2026 Eversept Partners LP1,351,106$2.91M0.2%+34.3%1.217%
5/15/2026 Affinity Asset Advisors LLC500,000$1.08M0.1%N/A0.450%
5/15/2026 Spruce Street Capital LP2,101,068$4.52M1.1%+87.9%1.892%
5/14/2026 Renaissance Technologies LLC1,287,691$2.77M0.0%-16.6%1.160%
5/14/2026 Sei Investments Co.53,846$116K0.0%+218.9%0.048%
5/7/2026 Dimensional Fund Advisors LP283,817$610K0.0%+42.5%0.256%
5/5/2026 Bank of New York Mellon Corp252,297$542K0.0%+15.8%0.227%
4/25/2026 Strs Ohio86,500$186K0.0%-21.6%0.078%
4/16/2026 Diversified Trust Co25,895$56K0.0%+83.6%0.023%
2/23/2026 Virtu Financial LLC21,886$34K0.0%N/A0.020%
2/19/2026 Invesco Ltd.279,468$436K0.0%+45.3%0.256%
2/18/2026 Mackenzie Financial Corp660,168$1.00M0.0%+132.7%0.605%
2/18/2026 XTX Topco Ltd592,839$925K0.0%+501.8%0.543%
2/18/2026 Ikarian Capital LLC2,082,606$3.25M0.3%+174.0%1.908%
2/18/2026 Utah Retirement Systems133,718$209K0.0%+85.7%0.123%
2/18/2026 Vestal Point Capital LP755,000$1.18M0.0%-23.0%0.692%
2/18/2026 Quadrature Capital Ltd62,273$97K0.0%N/A0.057%
2/18/2026 Oxford Asset Management LLP42,905$67K0.0%N/A0.039%
2/18/2026 Millennium Management LLC1,332,914$2.08M0.0%+15.4%1.221%
2/18/2026 Man Group plc86,162$134K0.0%N/A0.079%
2/18/2026 Elmind Capital LP900,000$1.40M0.4%N/A0.825%
2/18/2026 Eversept Partners LP1,006,163$1.57M0.1%-32.4%0.922%
2/18/2026 Balyasny Asset Management L.P.3,265,575$5.09M0.0%N/A2.992%
2/18/2026 Boothbay Fund Management LLC559,726$873K0.0%+6.8%0.513%
2/18/2026 683 Capital Management LLC3,350,000$5.23M0.2%+235.0%3.069%
2/17/2026 ADAR1 Capital Management LLC1,108,000$1.73M0.1%N/A1.015%
2/17/2026 AQR Capital Management LLC599,569$935K0.0%+36.9%0.549%
2/17/2026 Medici Capital LLC1,500,520$2.34M1.9%+211.3%1.375%
2/17/2026 Price T Rowe Associates Inc. MD56,203$89K0.0%-97.4%0.051%
2/17/2026 Public Employees Retirement System of Ohio136,000$212K0.0%+99.4%0.125%
2/17/2026 Russell Investments Group Ltd.71,887$112K0.0%-31.4%0.066%
2/17/2026 Graham Capital Management L.P.104,851$164K0.0%+394.2%0.096%
2/17/2026 Foresite Capital Management IV LLC3,887,200$6.06M2.6%N/A3.561%
2/16/2026 Squarepoint Ops LLC77,618$121K0.0%N/A0.071%
2/16/2026 Spruce Street Capital LP1,117,986$1.74M0.6%N/A1.024%
2/16/2026 Panagora Asset Management Inc.850,298$1.33M0.0%+14.7%0.779%
2/16/2026 Barclays PLC398,687$622K0.0%-54.4%0.365%
2/13/2026 Marshall Wace LLP1,166,817$1.82M0.0%+669.4%1.069%
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2/13/2026 The Manufacturers Life Insurance Company 28,829$45K0.0%-86.7%0.026%
2/13/2026 Jacobs Levy Equity Management Inc.2,173,202$3.39M0.0%+76.5%1.991%
2/13/2026 Charles Schwab Investment Management Inc.665,491$1.04M0.0%-3.5%0.610%
2/13/2026 State Street Corp1,814,298$2.83M0.0%+4.6%1.662%
2/13/2026 Dynamic Technology Lab Private Ltd25,881$40K0.0%N/A0.024%
2/13/2026 Wells Fargo & Company MN90,108$141K0.0%+71.9%0.083%
2/12/2026 Renaissance Technologies LLC1,543,650$2.41M0.0%+62.6%1.414%
2/12/2026 Dimensional Fund Advisors LP199,126$310K0.0%-32.7%0.182%
2/12/2026 Jasper Ridge Partners L.P.95,068$148K0.0%+32.5%0.087%
2/11/2026 Deutsche Bank AG1,035,154$1.62M0.0%-3.1%0.948%
2/10/2026 Lexington Partners L.P.53,488$83K0.0%+429.2%0.049%
2/10/2026 Hershey Trust Co.20,572$32K0.0%+100.0%0.019%
2/10/2026 Goldman Sachs Group Inc.437,959$683K0.0%-28.2%0.401%
2/9/2026 Geode Capital Management LLC2,075,220$3.24M0.0%+11.5%1.901%
2/6/2026 Nano Cap New Millennium Growth Fund L P200,000$312K0.3%N/A0.183%
2/3/2026 Bronte Capital Management Pty Ltd.19,282$30K0.0%N/A0.018%
1/9/2026 SG Americas Securities LLC27,002$42K0.0%N/A0.025%
1/1/2026 JPMorgan Chase & Co.136,385$404K0.0%+199.8%0.125%
11/17/2025 Jasper Ridge Partners L.P.71,776$212K0.0%+134.3%0.066%
11/17/2025 Jacobs Levy Equity Management Inc.1,230,974$3.64M0.0%-6.9%1.128%
11/17/2025 Utah Retirement Systems72,002$213K0.0%+40.0%0.066%
11/17/2025 Public Employees Retirement System of Ohio68,200$202K0.0%+763.3%0.062%
11/17/2025 Millennium Management LLC1,155,027$3.42M0.0%+181.2%1.058%
11/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.32,129$95K0.0%-30.6%0.029%
11/17/2025 Bank of America Corp DE246,283$729K0.0%-28.4%0.226%
11/17/2025 Boothbay Fund Management LLC524,077$1.55M0.0%+14.2%0.480%
11/17/2025 Ameriprise Financial Inc.274,042$811K0.0%+1,838.7%0.251%
11/14/2025 Two Sigma Investments LP307,179$909K0.0%+38.3%0.281%
11/13/2025 UBS Group AG230,499$682K0.0%+450.2%0.211%
11/13/2025 Mackenzie Financial Corp283,712$840K0.0%+3.4%0.260%
11/12/2025 Barclays PLC873,375$2.59M0.0%+414.4%0.800%
11/12/2025 Dimensional Fund Advisors LP295,846$876K0.0%-22.8%0.271%
11/10/2025 TD Asset Management Inc273,738$810K0.0%-58.0%0.251%
11/10/2025 Persistent Asset Partners Ltd31,240$92K0.1%-48.9%0.029%
11/7/2025Vanguard Group Inc.6,034,659$17.86M0.0%+0.8%5.963%
11/7/2025 JPMorgan Chase & Co.136,385$404K0.0%+199.8%0.135%
11/6/2025 Lexington Partners L.P.10,108$30K0.0%N/A0.010%
11/6/2025 Rhumbline Advisers114,270$338K0.0%-9.7%0.113%
11/5/2025 Savant Capital LLC11,698$35K0.0%N/A0.012%
11/3/2025 Pinegrove Venture Partners LLC10,286$30K0.1%N/A0.010%
10/29/2025 Wealth Enhancement Advisory Services LLC11,970$37K0.0%N/A0.012%
10/27/2025 Belvedere Trading LLC10,486$31K0.0%N/A0.010%
10/16/2025 HBK Sorce Advisory LLC11,171$34K0.0%N/A0.011%
10/15/2025 Vontobel Holding Ltd.26,000$77K0.0%-31.6%0.026%
10/14/2025 HBK Sorce Advisory LLC11,171$34K0.0%N/A0.011%
10/9/2025 Voya Investment Management LLC13,929$41K0.0%-43.4%0.014%
10/7/2025 Hamilton Lane Advisors LLC14,402$43K0.0%N/A0.014%
8/19/2025 State of Wyoming223,092$312K0.0%+13.4%0.220%
8/15/2025 Boothbay Fund Management LLC458,863$642K0.0%+67.2%0.453%
8/15/2025 Bridgeway Capital Management LLC115,000$161K0.0%N/A0.114%
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8/15/2025 Bank of America Corp DE343,909$481K0.0%+1.8%0.340%
8/14/2025 Jane Street Group LLC23,952$34K0.0%-90.7%0.024%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.46,286$65K0.0%-38.0%0.046%
8/14/2025 The Manufacturers Life Insurance Company 313,578$439K0.0%+153.1%0.310%
8/14/2025 Diadema Partners LP266,023$372K0.1%-41.7%0.263%
8/14/2025 Cerity Partners LLC23,736$33K0.0%-42.9%0.023%
8/13/2025 Walleye Capital LLC266,204$373K0.0%-12.9%0.263%
8/13/2025 Invesco Ltd.175,801$246K0.0%+18.3%0.174%
8/13/2025 Sio Capital Management LLC845,531$1.18M0.5%+1.0%0.835%
8/13/2025 Panagora Asset Management Inc.516,680$723K0.0%+41.0%0.511%


ALEC Institutional Ownership - Frequently Asked Questions

During the previous two years, 138 institutional investors and hedge funds held shares of Alector. The most heavily invested institutionals were FMR LLC ($68.01M), RA Capital Management L.P. ($18.32M), Vanguard Group Inc. ($17.86M), Braidwell LP ($10.06M), Foresite Capital Management IV LLC ($6.06M), 683 Capital Management LLC ($5.23M), and Balyasny Asset Management L.P. ($5.09M).Learn more on Alector's institutional investors.

85.83% of Alector's stock is owned by institutional investors. Learn more on ALEC's institutional investor holdings.

Of the 119 institutional investors that purchased Alector's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: RA Capital Management L.P. ($9.70M), Foresite Capital Management IV LLC ($3.89M), Balyasny Asset Management L.P. ($3.27M), 683 Capital Management LLC ($2.35M), Spruce Street Capital LP ($2.10M), Jacobs Levy Equity Management Inc. ($1.42M), and Ikarian Capital LLC ($1.32M).

Institutional investors have bought a total of 27,089,367 shares in the last 24 months. This purchase volume represents approximately $46.73M in transactions.

Of the 28 institutional investors that sold Alector's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Price T Rowe Associates Inc. MD ($2.13M), JPMorgan Chase & Co. ($1.44M), Eversept Partners LP ($482.56K), Barclays PLC ($474.69K), TD Asset Management Inc ($378K), Goldman Sachs Group Inc. ($268.88K), and Renaissance Technologies LLC ($255.96K).

Institutional investors have sold a total of 7,048,117 shares in the last 24 months. This volume of shares sold represents approximately $11.87M in transactions.


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This page (NASDAQ:ALEC) was last updated on 5/29/2026 by MarketBeat.com Staff.
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