Ticker · CUSIP 374163103

GERN

GERON CORP
···Share
Holders (tracked)
9
Combined shares
19,406,109
Combined value
$25.20M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
972024Q12025Q4

SEC event timeline

15 events
  1. −5,779,282 shares · 2025Q4
    13F
  2. −6,764,113 shares · 2025Q4
    13F
  3. +949,450 shares · 2025Q4
    13F
  4. +23,189 shares · 2025Q4
    13F
  5. −373,510 shares · 2025Q4
    13F
  6. −1,627,114 shares · 2025Q4
    13F
  7. −27,209 shares · 2025Q4
    13F
  8. −9,606,217 shares · 2025Q3
    13F
  9. +1,852,018 shares · 2025Q3
    13F
  10. +5,320,635 shares · 2025Q3
    13F
  11. −249,489 shares · 2025Q3
    13F
  12. −209,607 shares · 2025Q3
    13F
  13. +209,904 shares · 2025Q3
    13F
  14. −2,634,820 shares · 2025Q3
    13F
  15. +27,209 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions0
Added to2
Trimmed4
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
9
$38.5M
2022Q2
10
$47.7M
2022Q3
11
$77K
2022Q4
13
$73.6M
2023Q1
12
$119.3M
2023Q2
10
$204.0M
2023Q3
7
$114.5M
2023Q4
8
$122.7M
2024Q1
7
$201.8M
2024Q2
13
$311.3M
2024Q3
8
$100.8M
2024Q4
9
$54.1M
2025Q1
10
$54.1M
2025Q2
10
$47.9M
2025Q3
9
$44.3M
2025Q4
9
$25.2M

Who owns GERN

9 super-investors · 2025Q4
Tracked stake
19.41M
shares
Combined value
$25M
% of shares outstanding
shares-out unknown
Quarter action mix
Added2Trim7
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
9.93M$13M
2Izzy Englander
Millennium Mgmt
4.60M$6M
3Two Sigma Investments2.80M$4M
4Renaissance Technologies737.2K$973K
5Ken Griffin
Citadel Advisors
532.8K$703K
6Ken Griffin
Citadel Advisors
304.4K$402K
7Izzy Englander
Millennium Mgmt
144.2K$190K
8AQR Capital Management44.4K$59K
9T. Rowe Price312.0K$412

Recent moves

20 transactions
Embed this chart
Paste this iframe anywhere to embed the live GERN chart.
<iframe src="https://openstocks.me/embed/stock/GERN" width="100%" height="480" frameborder="0" loading="lazy" title="GERN chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>