Ticker · CUSIP 014442107

ALEC

ALECTOR INC
···Share
Holders (tracked)
11
Combined shares
7,181,474
Combined value
$11.20M
Last close
$2.57
Quarter
2025Q4
Price · 1Y$2.57+1.65 (+179.35%)H $3.32 · L $0.92 · Avg Vol 1.4M
$1.00$1.50$2.00$2.50$3.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
11112024Q12025Q4
Price is +64.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

17 events
  1. +1,386,947 shares · 2025Q4
    Position
  2. −378,034 shares · 2025Q4
    Position
  3. +732,477 shares · 2025Q4
    Position
  4. +177,887 shares · 2025Q4
    Position
  5. +22,560 shares · 2025Q4
    Position
  6. −2,128,829 shares · 2025Q4
    Position
  7. +41,282 shares · 2025Q4
    Position
  8. +161,482 shares · 2025Q4
    Position
  9. +594,500 shares · 2025Q4
    Position
  10. −40,795 shares · 2025Q3
    Position
  11. +744,224 shares · 2025Q3
    Position
  12. +542 shares · 2025Q3
    Position
  13. +85,040 shares · 2025Q3
    Position
  14. +444,004 shares · 2025Q3
    Position
  15. −2,690,232 shares · 2025Q3
    Position
  16. +31,469 shares · 2025Q3
    Position
  17. −305,700 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ALEC…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2020Q1$2.03+26.4%$137K
Ken Griffin (Citadel Advisors)2020Q1$2.03+26.4%$137K
Ken Griffin (Citadel Advisors)2020Q1$2.03+26.4%$137K
D.E. Shaw & Co.2020Q4$2.17+18.2%$6.1M
Steve Cohen (Point72)2020Q2$2.41+6.8%$59K
Izzy Englander (Millennium Mgmt)2019Q1$2.46+4.5%$3.4M
Two Sigma Investments2020Q1$2.73-5.9%$2.7M
AQR Capital Management2020Q3$3.04-15.4%$1.5M
T. Rowe Price2019Q3$3.16-18.7%$144K
Renaissance Technologies2020Q2$4.49-42.8%$4.0M
Paul Tudor Jones (Tudor Investment)2021Q2$8.23-68.8%$106K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Trimmed2
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
13
$7.64B
2022Q2
11
$6.56B
2022Q3
13
$104.9M
2022Q4
13
$109.8M
2023Q1
12
$72.7M
2023Q2
14
$75.9M
2023Q3
12
$72.4M
2023Q4
10
$86.7M
2024Q1
11
$70.8M
2024Q2
12
$56.9M
2024Q3
12
$12.2M
2024Q4
10
$6.8M
2025Q1
10
$4.0M
2025Q2
10
$11.7M
2025Q3
12
$19.5M
2025Q4
11
$11.2M

Who owns ALEC

11 super-investors · 2025Q4
Tracked stake
7.18M
shares
Combined value
$11M
% of shares outstanding
shares-out unknown
Quarter action mix
New1Added6Trim4
#ManagerSharesValue
1D.E. Shaw & Co.2.37M$4M
2Renaissance Technologies1.54M$2M
3Izzy Englander
Millennium Mgmt
1.33M$2M
4Two Sigma Investments1.04M$2M
5AQR Capital Management599.6K$935K
6Ken Griffin
Citadel Advisors
93.5K$146K
7T. Rowe Price56.2K$89K
8Ken Griffin
Citadel Advisors
53.5K$83K
9Paul Tudor Jones
Tudor Investment
41.3K$64K
10Ken Griffin
Citadel Advisors
32.9K$51K
11Steve Cohen
Point72
23.1K$36K

Recent moves

20 transactions
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