SER · Serina Therapeutics, Inc. · Holdings
$2.22
-0.28 (-11.20%)
At close · Sep 11
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
$56.39M
Shares
25.40M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 27
Total Value: $2,728,710
Total Shares: 1,406,561
Institutional Ownership Trend
10 quarters
Holder Concentration
Across 27 13F filers · Δ vs Mar 31, 2026Top Holder
71.1%
+3.2 pts
Top 5
92.6%
+0.9 pts
Top 10
98.8%
−0.5 pts
HHI
5,234
Highly concentrated+435
Quarterly Activity
vs Mar 31, 2026
New
5
Increased
6
Decreased
4
Sold Out
3
Unchanged
12
Holder count:
+2
Institutional value:
-4.5%
Shares held:
-4.5%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | +3,062 | 162,198 | |
| Mid Tower Research Capital LLC (TRC) | +1,727 | 2,570 | |
| Mega UBS Group AG | +1,342 | 1,347 | |
| Large OSAIC HOLDINGS, INC. | +1,001 | 2,002 | |
| Mega MORGAN STANLEY | +6 | 14 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega BlackRock, Inc. | −55,886 | 2,378 | |
| Mega JANE STREET GROUP, LLC | −24,209 | 15,444 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | −13,966 | 51,007 | |
| Small Caitong International Asset Management Co., Ltd | −238 | 3,744 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega NORTHERN TRUST CORP | 20,771 | $40,294 | |
| Mega BARCLAYS PLC | 545 | $1,057 | |
| Micro Avion Wealth | 312 | $605 | |
| Mega JPMORGAN CHASE & CO | 1 | $1 | |
| Mid Global Retirement Partners, LLC | 1 | $1 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega Vanguard Global Advisers, LLC | 368 | $713 | |
| Mid Advisory Services Network, LLC | 14 | $27 | |
| Large Federation des caisses Desjardins du Quebec | 1 | $1 |