Who owns Alector Inc?
- Ticker: ALEC
- CUSIP Number: 014442107
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Analyze quarterly positions in Alector with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Alector stock
Who bought or sold Alector Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| TCG Crossover Management | 10M | $22M | 0% | Mar 2026 |
|
| BlackRock | 7.7M | $17M | 8% | Mar 2026 |
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| Vanguard Group | 6.9M | $11M | 14% | Dec 2025 |
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| Acadian Asset Management | 4.0M | $8.7M | 17% | Mar 2026 |
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| Foresite Capital Management IV | 3.9M | $8.4M | 0% | Mar 2026 |
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| Vanguard Capital Management | 3.7M | $7.9M | 100% | Mar 2026 |
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| Merck & Co | 3.5M | $7.6M | 0% | Mar 2026 |
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| D. E. Shaw & Co | 3.3M | $7.2M | 41% | Mar 2026 |
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| 683 Capital Management | 3.2M | $6.9M | -4% | Mar 2026 |
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| Balyasny Asset Management | 2.9M | $6.3M | -10% | Mar 2026 |
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| Nantahala Capital Management | 2.8M | $6.1M | 100% | Mar 2026 |
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| Vanguard Portfolio Management | 2.6M | $5.6M | 100% | Mar 2026 |
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| Geode Capital Management | 2.3M | $4.9M | 10% | Mar 2026 |
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| FMR | 2.2M | $3.5M | -85% | Dec 2025 |
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| Jacobs Levy Equity Management | 2.2M | $4.6M | -1% | Mar 2026 |
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| Ikarian Capital | 2.1M | $4.5M | 0% | Mar 2026 |
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| Kynam Capital Management | 2.0M | $4.3M | 0% | Mar 2026 |
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| Millennium Management | 2.0M | $4.3M | 48% | Mar 2026 |
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| State Street Corporation | 1.8M | $2.8M | 5% | Dec 2025 |
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| Medici Capital | 1.7M | $3.6M | 10% | Mar 2026 |
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| Renaissance Technologies | 1.5M | $2.4M | 63% | Dec 2025 |
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| Euclidean Capital | 1.3M | $2.8M | 0% | Mar 2026 |
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| Two Sigma Investments | 1.3M | $2.8M | 23% | Mar 2026 |
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| Marshall Wace | 1.2M | $1.8M | 669% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 1.1M | $2.3M | 6% | Mar 2026 |
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| Deerfield Management Company | 1.1M | $2.3M | 0% | Mar 2026 |
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| ADAR1 Capital Management | 1.1M | $2.3M | -5% | Mar 2026 |
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| Eversept Partners | 1.0M | $1.6M | -32% | Dec 2025 |
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| DAFNA Capital Management | 908k | $2.0M | 0% | Mar 2026 |
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| Elmind Capital | 900k | $1.9M | 100% | Mar 2026 |
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| Mackenzie Financial | 857k | $1.8M | 30% | Mar 2026 |
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| AQR Capital Management | 711k | $1.5M | 19% | Mar 2026 |
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| Charles Schwab Investment Management | 666k | $1.0M | -3% | Dec 2025 |
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| Goldman Sachs Group | 605k | $1.3M | 38% | Mar 2026 |
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| XTX Topco | 593k | $925k | 502% | Dec 2025 |
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| PanAgora Asset Management | 590k | $1.3M | -31% | Mar 2026 |
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| Northern Trust | 588k | $917k | -7% | Dec 2025 |
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| Vanguard Fiduciary Trust | 578k | $1.2M | 100% | Mar 2026 |
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| Susquehanna International | 570k | $890k | 6% | Dec 2025 |
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| Boothbay Fund Management | 560k | $1.2M | 0% | Mar 2026 |
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| Jane Street | 431k | $927k | -57% | Mar 2026 |
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| Barclays | 399k | $622k | -54% | Dec 2025 |
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| Bank of America Corporation | 381k | $819k | 100% | Mar 2026 |
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| Morgan Stanley | 365k | $785k | 14% | Mar 2026 |
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| Dimensional Fund Advisors | 284k | $610k | 43% | Mar 2026 |
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| Ameriprise Financial | 271k | $583k | -23% | Mar 2026 |
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| Invesco | 265k | $570k | -5% | Mar 2026 |
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| Bank of New York Mellon | 252k | $542k | 16% | Mar 2026 |
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| Nano Cap New Millennium Growth Fund | 200k | $312k | 100% | Dec 2025 |
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| Canada Pension Plan Investment Board | 183k | $394k | 6% | Mar 2026 |
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| Nuveen | 155k | $333k | 16% | Mar 2026 |
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| Utah Retirement Systems | 154k | $332k | 15% | Mar 2026 |
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| UBS Group | 145k | $313k | 22% | Mar 2026 |
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| Ohio Pers | 136k | $212k | 99% | Dec 2025 |
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| Bridgeway Capital Management | 115k | $179k | 0% | Dec 2025 |
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| Citadel Advisors | 109k | $235k | -39% | Mar 2026 |
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| Rhumbline Advisers | 101k | $218k | -1% | Mar 2026 |
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| Alliancebernstein | 93k | $145k | 0% | Mar 2026 |
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| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 87k | $186k | -22% | Mar 2026 |
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| Simplex Trading | 82k | $128k | -19% | Dec 2025 |
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| Point72 Asset Management | 80k | $172k | 247% | Mar 2026 |
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| GSA Capital Partners | 78k | $168k | -65% | Mar 2026 |
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| Blackstone Group | 77k | $166k | 15% | Mar 2026 |
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| Jasper Ridge Partners | 74k | $158k | -23% | Mar 2026 |
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| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 70k | $150k | 100% | Mar 2026 |
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| Russell Investments | 66k | $142k | -8% | Mar 2026 |
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| Quadrature Capital | 62k | $97k | 100% | Dec 2025 |
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| Spears Abacus Advisors | 55k | $118k | 0% | Mar 2026 |
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| Sei Investments | 54k | $116k | 219% | Mar 2026 |
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| JustInvest | 51k | $109k | -5% | Mar 2026 |
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| Hsbc Holdings | 49k | $105k | 0% | Mar 2026 |
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| Oxford Asset Management | 43k | $67k | 100% | Dec 2025 |
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| Mirae Asset Global Etfs Holdings | 43k | $92k | 14% | Mar 2026 |
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| Tower Research Capital | 40k | $62k | 1472% | Dec 2025 |
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| Wells Fargo & Company | 35k | $74k | -62% | Mar 2026 |
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| Vanguard Global Advisers | 31k | $67k | 100% | Mar 2026 |
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| Vontobel Holding | 30k | $65k | 0% | Mar 2026 |
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| HPM Partners | 27k | $58k | 97% | Mar 2026 |
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| Manufacturers Life Insurance Company | 26k | $56k | -9% | Mar 2026 |
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| Diversified Trust Company | 26k | $56k | 84% | Mar 2026 |
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| Intech Investment Management | 24k | $52k | -31% | Mar 2026 |
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| Prudential Financial | 24k | $51k | -26% | Mar 2026 |
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| Police & Firemen's Retirement System of New Jersey | 23k | $50k | 0% | Mar 2026 |
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| Virtu Financial | 22k | $34k | 100% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 20k | $43k | -11% | Mar 2026 |
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| Bronte Capital Management Pty | 19k | $42k | 0% | Mar 2026 |
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| Mariner Wealth Advisors | 19k | $40k | 100% | Mar 2026 |
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| Ing Investment Management | 16k | $33k | 11% | Mar 2026 |
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| Hamilton Lane Advisors | 14k | $31k | 100% | Mar 2026 |
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| Neuberger Berman Group | 14k | $22k | 100% | Dec 2025 |
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| ProShare Advisors | 13k | $28k | -10% | Mar 2026 |
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| CWM | 12k | $19k | -52% | Dec 2025 |
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| Merit Financial Group | 11k | $24k | 100% | Mar 2026 |
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| HighTower Advisors | 11k | $23k | 7% | Mar 2026 |
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| New York State Common Retirement Fund | 10k | $22k | 0% | Mar 2026 |
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| Legal & General Group | 8.3k | $18k | 38% | Mar 2026 |
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| Summit Investment Advisors | 8.2k | $18k | 0% | Mar 2026 |
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| Royal Bank of Canada | 7.0k | $15k | -99% | Mar 2026 |
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| California State Teachers Retirement System | 4.9k | $11k | -1% | Mar 2026 |
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| Citigroup | 4.6k | $10k | 100% | Mar 2026 |
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| Essential Partners | 3.9k | $8.3k | 795% | Mar 2026 |
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| Sterling Capital Management | 2.8k | $6.0k | -37% | Mar 2026 |
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| Optiver Holding B.V. | 1.7k | $3.7k | 100% | Mar 2026 |
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| State of Wyoming | 1.6k | $3.5k | 100% | Mar 2026 |
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| GAMMA Investing | 1.5k | $3.3k | 42% | Mar 2026 |
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| NISA Investment Advisors | 1.0k | $2.2k | 0% | Mar 2026 |
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| EverSource Wealth Advisors | 887.00 | $1.9k | 76% | Mar 2026 |
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| UMA Financial Services | 752.00 | $1.6k | 0% | Mar 2026 |
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| Advisor Group Holdings | 620.00 | $967.014000 | -45% | Dec 2025 |
|
| True Wealth Design | 593.00 | $1.3k | 5% | Mar 2026 |
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| Federation des caisses Desjardins du Quebec | 415.00 | $892.001000 | 0% | Mar 2026 |
|
| Hughes Financial Services | 412.00 | $886.006000 | -25% | Mar 2026 |
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| Bryn Mawr Trust | 400.00 | $860.000000 | 0% | Mar 2026 |
|
| Rockefeller Capital Management | 367.00 | $789.013300 | 0% | Mar 2026 |
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| Root Financial Partners | 305.00 | $655.994000 | 100% | Mar 2026 |
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| Mark Sheptoff Financial Planning | 300.00 | $771.000000 | 0% | Mar 2026 |
|
| Fortitude Family Office | 255.00 | $547.995000 | 100% | Mar 2026 |
|
| Rothschild Investment | 240.00 | $516.000000 | 15% | Mar 2026 |
|
| National Bank Of Canada /fi/ | 200.00 | $312.000000 | 0% | Dec 2025 |
|
| SRS Capital Advisors | 179.00 | $384.993200 | 100% | Mar 2026 |
|
| Farther Finance Advisors | 156.00 | $395.007600 | 100% | Mar 2026 |
|
| MAI Wealth Advisors | 67.00 | $145.001400 | 100% | Mar 2026 |
|
| Lloyd Advisory Services | 48.00 | $102.998400 | 100% | Mar 2026 |
|
| Kingdom Financial Group | 48.00 | $102.998400 | 0% | Mar 2026 |
|
| SBI Securities | 20.00 | $43.000000 | 0% | Mar 2026 |
|
| Sunbelt Securities | 17.00 | $37.000500 | 100% | Mar 2026 |
|
| Brian McDonald | 9.00 | $14.000400 | -57% | Dec 2025 |
|
| IFP Advisors | 6.00 | $13.000200 | -87% | Mar 2026 |
|
| Fifth Third Bancorp | 6.00 | $13.000200 | 100% | Mar 2026 |
|
| Caitong International Asset Management | 2.00 | $4.000000 | 100% | Mar 2026 |
|
Who sold out of Alector?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Rtw Investments | Sep 2025 | 7.0M | $21M |
| Vestal Point Capital | Dec 2025 | 755k | $1.2M |
| Two Sigma Advisers | Dec 2025 | 652k | $1.0M |
| Jpmorgan Chase & Co | Sep 2025 | 136k | $404k |
| Diadema Partners | Sep 2025 | 136k | $403k |
| Graham Capital Management | Dec 2025 | 105k | $164k |
| DekaBank Deutsche Girozentrale | Dec 2025 | 100k | $661k |
| Thomas Stevens, CFA" | Dec 2025 | 93k | $141k |
| Man Group | Dec 2025 | 86k | $134k |
| Squarepoint Ops | Dec 2025 | 78k | $121k |
| Hrt Financial | Dec 2025 | 57k | $89k |
| Velan Capital Investment Management | Sep 2025 | 55k | $163k |
| Lexington Partners | Dec 2025 | 54k | $83k |
| Ieq Capital | Sep 2025 | 53k | $157k |
| Tudor Investment Corporation | Dec 2025 | 41k | $64k |
| MetLife Investment Advisors | Sep 2025 | 29k | $85k |
| SG Americas Securities | Dec 2025 | 27k | $42k |
| Dynamic Technology Lab Private | Dec 2025 | 26k | $40k |
| Hershey Trust Company | Dec 2025 | 21k | $32k |
| American Century Companies | Sep 2025 | 21k | $61k |
| Engineers Gate Manager | Sep 2025 | 15k | $43k |
| R Squared | Dec 2025 | 13k | $20k |
| CI Private Wealth | Dec 2025 | 10k | $16k |
| Yale Capital Corp. | Dec 2025 | 10k | $16k |
| Amalgamated Bank | Dec 2025 | 2.5k | $4.0k |
| Rialto Wealth Management | Sep 2025 | 403.00 | $1.2k |
| Advisory Services Network | Sep 2025 | 271.00 | $803.325300 |
| Hanson McClain Advisors | Sep 2025 | 84.00 | $249.001200 |