Security key
374163103
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 478,609,033
- Total 13F value
- $631,750,332
- Share change
- -29,291,095
- Put/Call ratio
- 118%
- SEC-reported price per share
- $1.32
- Number of holders
- 260
- Value change
- -$39,060,397
- Number of buys
- 89
- Number of sells
- 127
- Shares outstanding
- 640,297,696
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
260
Top holders
10
GERN full security history
Ownership snapshot
Full 13F holder table
GERON CORP SEC filings
GERON CORP company facts
Broader feeds
Ownership snapshot
Top reported holders of GERN - GERON CORP - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G
13F
Lead comparable stake: 9.9%
13D/G row: RA CAPITAL MANAGEMENT, L.P.
Showing 1-6 of 15 holder rows.
Quick read
RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 9.9%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership
Top 5
RA CAPITAL MANAGEMENT, L.P.
9.9%
BlackRock, Inc.
7.3%
Deep Track Capital, LP
6.4%
VANGUARD GROUP INC
5.4%
Vivo Capital, LLC
4.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
13F
Company
|
9.9%
|
$88,303,586
63,988,106 shares
|
$0 | 31 Mar 2025 |
| BlackRock, Inc. |
13F
Company
|
7.3%
|
$63,849,877
46,605,750 shares
|
— | 30 Sep 2025 |
| Deep Track Capital, LP |
13F
Company
|
6.4%
|
$56,302,235
41,096,522 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
5.4%
|
$47,159,682
34,423,125 shares
|
— | 30 Sep 2025 |
| Vivo Capital, LLC |
13F
Company
|
4.3%
|
$37,298,650
27,225,292 shares
|
— | 30 Sep 2025 |
| STATE STREET CORP |
13F
Company
|
4.2%
|
$36,467,775
26,618,814 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
260
Shares
478,609,033
Rows available
260
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
258
Q4 2025 holders
260
Holder diff
2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|