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.
Q3 2021 vs. Q2 2021
How the institutions holding Alector, Inc. changed between Q2 2021 and Q3 2021.
All holders in Q3 2021All holders in Q2 2021
| Measure | Q2 2021 | Of which not filed for Q3 2021 | Q3 2021 | Change |
|---|---|---|---|---|
| Holders | 138 | 1 | 145 | +8 |
| Shares | 49.2M | 500 | 52.2M | +3.06M (+6.2%) |
| Value | $1.02B | $10.0K | $1.19B | +$167.3M (+16.3%) |
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.
New holders (22)
Institutions that held Alector, Inc. at the end of Q3 2021 but not at the end of Q2 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Marshall Wace North America L.P. | 1,083,580 | $24.7M | 0.11% |
| Two Sigma Investments, LP | 340,486 | $7.77M | 0.02% |
| Marshall Wace, LLP | 312,561 | $7.13M | 0.04% |
| DAFNA Capital Management LLC | 107,412 | $2.45M | 0.65% |
| Squarepoint Ops LLC | 84,674 | $1.93M | 0.01% |
| Ghost Tree Capital, LLC | 80,000 | $1.83M | 0.60% |
| SG Americas Securities, LLC | 79,242 | $1.81M | 0.01% |
| Jackson Creek Investment Advisors LLC | 48,166 | $1.10M | 0.41% |
| HRT Financial LP | 42,578 | $971.0K | 0.01% |
| Jump Financial, LLC | 41,500 | $947.0K | 0.07% |
| Duality Advisers, LP | 40,393 | $922.0K | 0.07% |
| AQR Capital Management LLC | 34,539 | $788.0K | 0.00% |
| Engineers Gate Manager LP | 29,872 | $682.0K | 0.04% |
| Prosight Management, LP | 27,378 | $625.0K | 0.37% |
| Connor, Clark & Lunn Investment Management Ltd. | 26,676 | $609.0K | 0.00% |
| AXA S.A. | 24,300 | $555.0K | 0.00% |
| Walleye Capital LLC | 15,554 | $355.0K | 0.01% |
| SEI Investments Co | 15,500 | $354.0K | 0.00% |
| D.A. Davidson & Co. | 15,000 | $342.0K | 0.00% |
| STRS Ohio | 8,000 | $182.0K | 0.00% |
| Amundi | 3,892 | $89.0K | 0.00% |
| O'Shaughnessy Asset Management, LLC | 3,281 | $75.0K | 0.00% |
Sold out (14)
Institutions that held Alector, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.
| Institution | Shares, Q2 2021 | Value, Q2 2021 |
|---|---|---|
| Ikarian Capital, LLC | 674,723 | $14.1M |
| OrbiMed Advisors LLC | 611,478 | $12.7M |
| Bridger Management, LLC | 203,900 | $4.25M |
| Boothbay Fund Management, LLC | 77,811 | $1.62M |
| First Trust Advisors LP | 58,304 | $1.21M |
| Belvedere Trading LLC | 24,711 | $804.0K |
| Integral Health Asset Management, LLC | 35,000 | $729.0K |
| Blueshift Asset Management, LLC | 18,675 | $389.0K |
| Thrivent Financial for Lutherans | 18,587 | $387.0K |
| Verition Fund Management LLC | 14,923 | $311.0K |
| EPIQ Capital Group, LLC | 10,687 | $223.0K |
| Vident Investment Advisory, LLC | 10,124 | $211.0K |
| Trexquant Investment LP | 9,901 | $206.0K |
| Advisory Services Network, LLC | 124 | $3.00K |
Not filed for Q3 2021 yet (1)
Institutions that held Alector, Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2021 | Value, Q2 2021 |
|---|---|---|
| CWM, LLC | 500 | $10.0K |