Alector, Inc.
ALEC- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001653087
In the last 90 days, Alector, Inc. insiders filed 0 open-market purchases and 3 sales; 140 institutions reported holding it in 13F filings for Q2 2026, worth $183.4M in total; no superinvestor holds it.
Q2 2026 vs. Q1 2026
How the institutions holding Alector, Inc. changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Of which not filed for Q2 2026 | Q2 2026 | Change |
|---|---|---|---|---|
| Holders | 138 | 2 | 140 | +4 |
| Shares | 88.4M | 29.0K | 91.2M | +2.87M (+3.2%) |
| Value | $190.0M | $62.4K | $183.4M | −$6.54M (−3.4%) |
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (13)
Institutions that held Alector, Inc. at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Cantor Fitzgerald, L. P. | 295,492 | $593.9K | 0.01% |
| LMR Partners LLP | 200,000 | $402.0K | 0.00% |
| Graham Capital Management, L.P. | 46,496 | $93.5K | 0.00% |
| Mercer Global Advisors Inc | 25,504 | $51.3K | 0.00% |
| Group One Trading, L.P. | 25,208 | $50.7K | 0.00% |
| Qube Research & Technologies Ltd | 16,569 | $33.3K | 0.00% |
| Creative Planning | 15,015 | $30.2K | 0.00% |
| China Universal Asset Management Co., Ltd. | 3,600 | $7.24K | 0.00% |
| Advisor Group Holdings, Inc. | 300 | $603 | 0.00% |
| Clearstead Advisors, LLC | 125 | $252 | 0.00% |
| Wealth Enhancement Trust Services, Inc. | 105 | $211 | 0.00% |
| SJS Investment Consulting Inc. | 43 | $87 | 0.00% |
| JPL Wealth Management, LLC | 18 | $37 | 0.00% |
Sold out (9)
Institutions that held Alector, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| Foresite Capital Management IV, LLC | 3,887,200 | $8.36M |
| Jane Street Group, LLC | 399,464 | $858.8K |
| Odyssean, LLC | 89,783 | $193.0K |
| Gsa Capital Partners LLP | 78,207 | $168.0K |
| State of Wyoming | 1,645 | $3.54K |
| Root Financial Partners, LLC | 305 | $656 |
| Advisory Services Network, LLC | 271 | $583 |
| MAI Capital Management | 67 | $145 |
| Lloyd Advisory Services, LLC. | 48 | $103 |
Not filed for Q2 2026 yet (2)
Institutions that held Alector, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| CWM, LLC | 28,985 | $62.3K |
| Sunbelt Securities, Inc. | 17 | $37 |