Ticker · CUSIP 03589W102

ANNX

ANNEXON INC
···Share
Holders (tracked)
11
Combined shares
7,389,258
Combined value
$34.86M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
11122024Q12025Q4

SEC event timeline

16 events
  1. Carson William H.
    2026-04-10
    Bought $49.6K @ $6.20
    Insider buy
  2. +107,794 shares · 2025Q4
    13F
  3. +1,046,221 shares · 2025Q4
    13F
  4. +52,904 shares · 2025Q4
    13F
  5. +281,141 shares · 2025Q4
    13F
  6. −39,701 shares · 2025Q4
    13F
  7. +398,077 shares · 2025Q4
    13F
  8. +14,034 shares · 2025Q4
    13F
  9. +202,184 shares · 2025Q4
    13F
  10. +49,021 shares · 2025Q4
    13F
  11. +242,092 shares · 2025Q3
    13F
  12. −23,328 shares · 2025Q3
    13F
  13. +90,049 shares · 2025Q3
    13F
  14. +77,974 shares · 2025Q3
    13F
  15. +308,689 shares · 2025Q3
    13F
  16. −24,321 shares · 2025Q3
    13F

Insider activity

Last 30 days
Net (open-market)
$49.6K
Buys
1 · $49.6K
Sells
0 · $0
Unique insiders
1
DateInsiderCodeSharesPriceValue
04-10Carson William H.
Insider
P8,000$6.20$49.6K

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Trimmed1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
8
$19.6M
2022Q2
9
$13.1M
2022Q3
7
$22K
2022Q4
8
$21.0M
2023Q1
9
$16.7M
2023Q2
7
$18.1M
2023Q3
7
$10.3M
2023Q4
8
$23.7M
2024Q1
12
$89.9M
2024Q2
13
$72.7M
2024Q3
11
$38.2M
2024Q4
9
$33.7M
2025Q1
9
$3.7M
2025Q2
7
$9.3M
2025Q3
9
$14.5M
2025Q4
11
$34.9M

Who owns ANNX

11 super-investors · 2025Q4
Tracked stake
7.39M
shares
Combined value
$35M
% of shares outstanding
shares-out unknown
Quarter action mix
New2Added8Trim1
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
2.84M$14M
2D.E. Shaw & Co.1.05M$5M
3Renaissance Technologies802.6K$4M
4AQR Capital Management776.3K$4M
5Wellington Management398.1K$2M
6Steve Cohen
Point72
371.2K$2M
7Two Sigma Investments332.0K$2M
8Ken Griffin
Citadel Advisors
275.3K$1M
9Ken Griffin
Citadel Advisors
70.4K$353K
10Ken Griffin
Citadel Advisors
35.2K$177K
11T. Rowe Price445.1K$2K

Recent moves

20 transactions
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