Security key
81751A108
Serina Therapeutics, Inc. - Common Stock, par value, $0.0001 per share (SER)
CUSIP: 81751A108
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, par value, $0.0001 per share
- Total 13F shares
- 461,771
- Total 13F value
- $2,475,090
- Share change
- +50,654
- SEC-reported price per share
- $5.36
- Number of holders
- 25
- Value change
- +$258,024
- Number of buys
- 13
- Number of sells
- 5
- Shares outstanding
- 14,903,130
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
25
Top holders
10
SER full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Serina Therapeutics, Inc. SEC filings
Serina Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 81751A108
Recent filing periods:
Ownership snapshot
Top reported holders of SER - Serina Therapeutics, Inc. - Common Stock, par value, $0.0001 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
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
30 Jun 2025
13F
Lead comparable stake: 1%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 1%.
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 VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
1%
BROADWOOD CAPITAL INC
0.57%
Waverly Advisors, LLC
0.45%
GEODE CAPITAL MANAGEMENT, LLC
0.19%
HighTower Advisors, LLC
0.12%
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 |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
1%
|
$927,838
150,623 shares
|
— | 30 Jun 2025 |
| BROADWOOD CAPITAL INC |
13F
Company
|
0.57%
|
$524,949
85,219 shares
|
— | 30 Jun 2025 |
| Waverly Advisors, LLC |
13F
Company
|
0.45%
|
$415,751
67,492 shares
|
— | 30 Jun 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.19%
|
$177,929
28,884 shares
|
— | 30 Jun 2025 |
| HighTower Advisors, LLC |
13F
Company
|
0.12%
|
$110,332
17,911 shares
|
— | 30 Jun 2025 |
| Keel Point, LLC |
13F
Company
|
0.12%
|
$109,488
17,774 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
25
Shares
461,771
Rows available
25
| 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 Q1 2026 Across Filers
Q1 2026 holders
25
Q3 2025 holders
25
Holder diff
0
| Investor | Q1 2026 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend