Alector, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| FMR LLC | 11/13/2025 | 15.18 M | $44.94 M | 1.22% | 15.13% |
| BLACKROCK, INC. | 11/12/2025 | 7.20 M | $21.31 M | -9.73% | 7.17% |
| RTW INVESTMENTS, LP | 11/14/2025 | 6.99 M | $20.69 M | 100.00% | 6.96% |
| VANGUARD GROUP INC | 11/07/2025 | 6.03 M | $17.86 M | 0.78% | 6.01% |
| MERCK & CO., INC. | 11/12/2025 | 3.55 M | $10.50 M | 0.00% | 3.53% |
| ACADIAN ASSET MANAGEMENT LLC | 11/13/2025 | 2.37 M | $7.02 M | 9.33% | 2.36% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11/14/2025 | 2.19 M | $6.47 M | -55.18% | 2.18% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 1.86 M | $5.51 M | -6.10% | 1.85% |
| STATE STREET CORP | 11/14/2025 | 1.73 M | $5.13 M | 1.45% | 1.73% |
| EVERSEPT PARTNERS, LP | 11/14/2025 | 1.49 M | $4.41 M | -25.04% | 1.48% |
| EUCLIDEAN CAPITAL LLC | 11/14/2025 | 1.31 M | $3.87 M | 0.00% | 1.30% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 11/17/2025 | 1.23 M | $3.64 M | -6.95% | 1.23% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 1.16 M | $3.42 M | 181.16% | 1.15% |
| DEUTSCHE BANK AG\ | 11/13/2025 | 1.07 M | $3.16 M | 7.93% | 1.06% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 11/14/2025 | 1.06 M | $3.12 M | 0.00% | 1.05% |
| 683 CAPITAL MANAGEMENT, LLC | 11/14/2025 | 1.00 M | $2.96 M | 100.00% | 1.00% |
| 5AM VENTURE MANAGEMENT, LLC | 11/14/2025 | 995.84 K | $2.95 M | 0.00% | 0.99% |
| VESTAL POINT CAPITAL, LP | 11/14/2025 | 980.00 K | $2.90 M | 0.31% | 0.98% |
| D. E. SHAW & CO., INC. | 11/14/2025 | 978.20 K | $2.90 M | 83.12% | 0.97% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 949.15 K | $2.81 M | -24.36% | 0.95% |
| BARCLAYS PLC | 11/12/2025 | 873.38 K | $2.59 M | 414.37% | 0.87% |
| DAFNA CAPITAL MANAGEMENT LLC | 11/14/2025 | 798.35 K | $2.36 M | -12.55% | 0.80% |
| IKARIAN CAPITAL, LLC | 11/14/2025 | 760.00 K | $2.25 M | -15.56% | 0.76% |
| PANAGORA ASSET MANAGEMENT INC | 11/13/2025 | 741.29 K | $2.19 M | 43.47% | 0.74% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 689.52 K | $2.04 M | 6.47% | 0.69% |
| NORTHERN TRUST CORP | 11/14/2025 | 633.71 K | $1.88 M | -3.72% | 0.63% |
| ROYAL BANK OF CANADA | 11/14/2025 | 628.65 K | $1.86 M | 71.21% | 0.63% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 609.91 K | $1.81 M | 62.87% | 0.61% |
| BOOTHBAY FUND MANAGEMENT, LLC | 11/14/2025 | 524.08 K | $1.55 M | 14.21% | 0.52% |
| TWO SIGMA ADVISERS, LP | 11/14/2025 | 517.40 K | $1.53 M | 37.24% | 0.52% |
| LOGOS GLOBAL MANAGEMENT LP | 11/14/2025 | 500.00 K | $1.48 M | 100.00% | 0.50% |
| MEDICI CAPITAL LLC | 11/13/2025 | 481.97 K | $1.43 M | 188.28% | 0.48% |
| CITADEL ADVISORS LLC | 11/14/2025 | 471.58 K | $1.40 M | -14.54% | 0.47% |
| AQR CAPITAL MANAGEMENT LLC | 11/14/2025 | 438.09 K | $1.30 M | 7.74% | 0.44% |
| MORGAN STANLEY | 11/14/2025 | 434.17 K | $1.29 M | -28.42% | 0.43% |
| JANE STREET GROUP, LLC | 11/14/2025 | 350.23 K | $1.04 M | 1,362.22% | 0.35% |
| NEW LEAF VENTURE PARTNERS, L.L.C. | 11/14/2025 | 339.57 K | $1.01 M | 0.00% | 0.34% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 308.66 K | $913.63 K | 51.45% | 0.31% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 307.18 K | $909.25 K | 38.28% | 0.31% |
| DIMENSIONAL FUND ADVISORS LP | 11/12/2025 | 295.85 K | $876.02 K | -22.82% | 0.29% |
| MACKENZIE FINANCIAL CORP | 11/13/2025 | 283.71 K | $839.79 K | 3.38% | 0.28% |
| AMERIPRISE FINANCIAL INC | 11/14/2025 | 274.04 K | $811.16 K | 1,838.75% | 0.27% |
| TD ASSET MANAGEMENT INC | 11/10/2025 | 273.74 K | $810.26 K | -58.00% | 0.27% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 246.28 K | $729.00 K | -28.39% | 0.25% |
| UBS GROUP AG | 11/13/2025 | 230.50 K | $682.28 K | 450.21% | 0.23% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 224.48 K | $664.47 K | -16.51% | 0.22% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 11/14/2025 | 216.57 K | $641.06 K | -30.93% | 0.22% |
| INVESCO LTD. | 11/13/2025 | 192.31 K | $569.24 K | 9.39% | 0.19% |
| ALPHABET INC. | 11/07/2025 | 175.87 K | $520.56 K | 0.00% | 0.18% |
| MARSHALL WACE, LLP | 11/13/2025 | 151.64 K | $448.86 K | 100.00% | 0.15% |
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Alector, Inc. institutional Ownership - FAQ's
During the previous two years, 190 institutional investors and hedge funds held shares of Alector, Inc.. The most heavily invested institutionals were:
FMR LLC: 15.18 M
BlackRock, Inc.: 7.2 M
RTW INVESTMENTS, LP: 6.99 M
VANGUARD GROUP INC: 6.03 M
Merck & Co., Inc.: 3.55 M
ACADIAN ASSET MANAGEMENT LLC: 2.37 M
74.47% of Alector, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 85.66 M shares in the last 24 months. This purchase volume represents approximately $284.39 M in transactions.