Security key
374163103
GERON CORP - Common Stock, $0.001 par value per share (GERN)
CUSIP: 374163103
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 497,192,714
- Total 13F value
- $740,681,249
- Share change
- +18,013,133
- Put/Call ratio
- 143%
- SEC-reported price per share
- $1.49
- Number of holders
- 253
- Value change
- +$31,558,336
- Number of buys
- 117
- Number of sells
- 94
- 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
Q1 2026
Institutions
253
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
Soleus Capital Master Fun...
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 6.5%
13D/G row: Soleus Capital Master Fund, L.P.
Showing 1-6 of 15 holder rows.
Quick read
Soleus Capital Master Fund, L.P. leads the comparable SEC ownership view at 6.5%.
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 Soleus Capital Master Fund, L.P.'s linked filing trail.
Comparable ownership
Top 5
Soleus Capital Master Fund, L.P.
6.5%
Deep Track Capital, LP
5%
RA CAPITAL MANAGEMENT, L.P.
9.5%
BlackRock, Inc.
6.8%
VANGUARD GROUP INC
5.3%
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 |
|---|---|---|---|---|---|
| Soleus Capital Master Fund, L.P. |
13D/G
|
6.5%
|
$72,640,153
41,508,659 shares
|
+$14,875,000 | 31 Mar 2026 |
| Deep Track Capital, LP |
13D/G
13F
Company
|
5%
|
$55,510,486
31,720,278 shares
|
-$1,384,238 | 31 Mar 2026 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
9.5%
|
$84,178,203
63,771,366 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
6.8%
|
$60,605,613
45,913,344 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
5.3%
|
$47,072,479
35,660,969 shares
|
— | 31 Dec 2025 |
| Vivo Capital, LLC |
13F
Company
|
4.1%
|
$35,937,385
27,225,292 shares
|
— | 31 Dec 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
253
Shares
497,192,714
Rows available
253
| 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 Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
253
Q1 2026 holders
253
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|