Security key
374163103
GERON CORP - Common Stock, $0.001 par value per share (GERN)
CUSIP: 374163103
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 507,092,153
- Total 13F value
- $694,687,233
- Share change
- -7,379,957
- Put/Call ratio
- 42%
- SEC-reported price per share
- $1.37
- Number of holders
- 258
- Value change
- -$11,160,351
- Number of buys
- 102
- Number of sells
- 117
- Shares outstanding
- 671,744,727
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
Q3 2025
Institutions
258
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, $0.001 par value per share (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
0/15
Latest evidence
30 Jun 2025
13F
Highest disclosed value: $85,134,906
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
RA CAPITAL MANAGEMENT, L.P. has the largest disclosed position value at $85.13M.
0 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.
Disclosed position value
Top 5
RA CAPITAL MANAGEMENT, L.P.
$85.13M
BlackRock, Inc.
$70.53M
Deep Track Capital, LP
$60.63M
VANGUARD GROUP INC
$50.22M
Vivo Capital, LLC
$38.39M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
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. |
13F
Company
|
—
denominator unverified
|
$85,134,906
60,379,366 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$70,533,113
50,023,485 shares
|
— | 30 Jun 2025 |
| Deep Track Capital, LP |
13F
Company
|
—
denominator unverified
|
$60,630,000
43,000,000 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$50,216,021
35,614,200 shares
|
— | 30 Jun 2025 |
| Vivo Capital, LLC |
13F
Company
|
—
denominator unverified
|
$38,387,662
27,225,292 shares
|
— | 30 Jun 2025 |
| Vestal Point Capital, LP |
13F
Company
|
—
denominator unverified
|
$33,522,750
23,775,000 shares
|
— | 30 Jun 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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
258
Shares
507,092,153
Rows available
258
| 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 Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
253
Q3 2025 holders
258
Holder diff
5
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|