SER · Serina Therapeutics, Inc. · Shareholders & Ownership
$1.73
+0.09 (+5.49%)
At close · Oct 29
Return incl. dividend (before tax)
Going-concern doubt
— flagged Aug 13, 2026
Substantial doubt about the company's ability to continue as a going concern.
“Management has concluded that our existing cash and cash equivalents are not expected to be sufficient to fund our operations for the 12 months following the issuance of our unaudited condensed consolidated financial statements for the period ended June 30, 2026, and that substantial doubt about our ability to continue as a going concern continues to exist.”View the 10-Q filed Aug 13, 2026
Market Cap
$44.45M
Shares
25.40M
Volume · Oct 29
20.5K
Avg daily vol (3M)
66.26K
Every disclosed holder of SER in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns SER
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 1,406,561 | 5.54% |
| Insiders (Forms 3, 4, 5) | 14,884,435 | 58.60% |
| 13D/G-only blocks | 802,832 | 3.16% |
| Remaining | 8,306,645 | 32.70% |
| Registered funds (N-PORT, not summed) | 213,532 | 0.84% |
Shares outstanding: 25,400,473, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of SER
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
|
8,564,382 | ||
| 2 |
|
6,034,376 | ||
| 3 |
Sio Capital Management, LLC
13F
CIK 1482416 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,000,000 | ||
| 4 |
|
232,294 | ||
| 5 |
|
187,871 | ||
| 6 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
162,198 | ||
| 7 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
125,805 | ||
| 8 |
Waverly Advisors, LLC
13F
CIK 1568787 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
67,492 | ||
| 9 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
51,007 | ||
| 10 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
41,408 | ||
| 11 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
33,331 | ||
| 12 |
|
30,100 | ||
| 13 |
Keel Point, LLC
13F
CIK 1386935 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
21,508 | ||
| 14 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
20,771 | ||
| 15 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
20,009 | ||
| 16 |
Avidian Wealth Enterprises, LLC
13F
CIK 1471474 · Registered investment adviser · Sep 30, 2026
|
18,800 | ||
| 17 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
15,444 | ||
| 18 |
|
12,758 | ||
| 19 |
|
12,183 | ||
| 20 |
|
10,100 | ||
| 21 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
6,390 | ||
| 22 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
|
4,103 | ||
| 23 |
Caitong International Asset Management Co., Ltd
13F
CIK 1963355 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,744 | ||
| 24 |
WELLS FARGO & COMPANY/MN
13F
CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,611 | ||
| 25 |
Tower Research Capital LLC (TRC)
13F
CIK 1533421 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,570 | ||
| 26 |
Ultra-Small Company Market Fund
Fund
S000004424 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
|
2,495 | ||
| 27 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,378 | ||
| 28 |
OSAIC HOLDINGS, INC.
13F
CIK 1677044 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,002 | ||
| 29 |
|
1,347 | ||
| 30 |
|
1,000 | ||
| 31 |
|
545 | ||
| 32 |
|
312 | ||
| 33 |
Piscataqua Savings Bank
13F
CIK 1855835 · Unknown · Sep 30, 2026
|
28 | ||
| 34 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
14 | ||
| 35 |
ALBION FINANCIAL GROUP /UT
13F
CIK 1054677 · Registered investment adviser · Sep 30, 2026
|
8 | ||
| 36 |
Pacifica Partners Inc.
13F
CIK 1799900 · Registered investment adviser · Sep 30, 2026
|
8 | ||
| 37 |
BNP PARIBAS ARBITRAGE, SA
13F
CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2 | ||
| 38 |
Rockefeller Capital Management L.P.
13F
CIK 1739439 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2 | ||
| 39 |
Farther Finance Advisors, LLC
13F
CIK 1992825 · Registered investment adviser · Sep 30, 2026
|
1 | ||
| 40 |
Global Retirement Partners, LLC
13F
CIK 1749744 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1 | ||
| 41 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.