Who owns Serina Therapeutics, Inc.?
Institutional ownership of SER from SEC Form 13F filings across 23 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
23
13F holders
$2.7M
value, 2026 filers
9.3%
of shares outstanding (1.4M sh)
7
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of SER's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Sio Capital Management, LLC | 1.0M | $1.9M | 0.3% | 6.7% | 0.0% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 162,198 | $314,664 | 0.0% | 1.1% | -49.0% |
| 3 | Waverly Advisors, LLC | 67,492 | $130,934 | 0.0% | 0.5% | 0.0% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 51,007 | $98,955 | 0.0% | 0.3% | -21.5% |
| 5 | Keel Point, LLCNEW | 21,508 | $41,726 | 0.0% | 0.1% | new |
| 6 | NORTHERN TRUST CORPNEW | 20,771 | $40,296 | 0.0% | 0.1% | new |
| 7 | VANGUARD FIDUCIARY TRUST CO | 20,009 | $38,817 | 0.0% | 0.1% | 0.0% |
| 8 | Avidian Wealth Enterprises, LLC | 18,800 | $36,472 | 0.0% | 0.1% | 0.0% |
| 9 | JANE STREET GROUP, LLC | 15,444 | $29,962 | 0.0% | 0.1% | -61.1% |
| 10 | WELLS FARGO & COMPANY/MN | 3,611 | $7,006 | 0.0% | 0% | +0.1% |
| 11 | Tower Research Capital LLC (TRC) | 2,570 | $4,986 | 0.0% | 0% | +204.9% |
| 12 | BlackRock, Inc. | 2,378 | $4,613 | 0.0% | 0% | -95.9% |
| 13 | OSAIC HOLDINGS, INC. | 2,002 | $3,882 | 0.0% | 0% | +100.0% |
| 14 | UBS Group AG | 1,347 | $2,613 | 0.0% | 0% | +26840.0% |
| 15 | BARCLAYS PLCNEW | 545 | $1,057 | 0.0% | 0% | new |
| 16 | Avion WealthNEW | 312 | $0 | 0.0% | 0% | new |
| 17 | MORGAN STANLEY | 14 | $28 | 0.0% | 0% | +75.0% |
| 18 | ALBION FINANCIAL GROUP /UT | 8 | $16 | 0.0% | 0% | 0.0% |
| 19 | MERCER GLOBAL ADVISORS INC /ADVNEW | 5 | $10 | 0.0% | 0% | new |
| 20 | BNP PARIBAS FINANCIAL MARKETS | 2 | $4 | 0.0% | 0% | 0.0% |
| 21 | Rockefeller Capital Management L.P. | 2 | $4 | 0.0% | 0% | 0.0% |
| 22 | Global Retirement Partners, LLCNEW | 1 | $2 | 0.0% | 0% | new |
| 23 | JPMORGAN CHASE & CONEW | 1 | $2 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.