Serina Therapeutics SER Institutional Ownership

NYSE SER

$2.43 -0.14 (-5.36%)

As of: Sep 10, 2026 · 3:59 PM EDT

Institutions by Trading Activity

28 Institutions

Increased 12 42.9%

Unchanged 12 42.9%

Reduced 4 14.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

8.58%

▼-5.87 pp QoQ

Shares Held by Institutions

1.41Mn

of 16.39Mn outstanding

▼-4.45% QoQ

Shares Outstanding

16.39Mn

14.98Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+3 vs prior quarter

Net Shares Added (QoQ)

-65.52K

distributed since last quarter

Value of Holdings

$3.83Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Serina Therapeutics, Inc. (NYSE:SER) has 28 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 8.6% of outstanding shares in June 2026, down from 14.5% in March 2026.
Their total shares held in SER decreased -4.45% from the prior quarter, while the number of investors in Serina Therapeutics increased 21.74% year over year.
Activity in SER broke down as 12 buyers, 4 sellers, and 12 unchanged among 28 total holders.
Combined, these investors held 1.41Mn shares in SER for June 2026, down by 65.52K shares quarter on quarter, and up 993.42K shares year over year.
As of June 30, 2026, the biggest holder of Serina Therapeutics is Sio Capital Management, LLC at 1.0Mn shares, representing 6.1% of shares outstanding.
Top purchasers of SER stock for the quarter ending June 2026 included Northern Trust Corp (20.77K), VANGUARD CAPITAL MANAGEMENT LLC (3.06K), Tower Research Capital LLC (TRC) (1.73K), UBS Group AG (1.34K), OSAIC HOLDINGS, INC. (1.0K).
The largest sellers of Serina Therapeutics for the quarter ending June 2026 were BlackRock, Inc. (55.89K), JANE STREET GROUP, LLC (24.21K), GEODE CAPITAL MANAGEMENT, LLC (13.97K), Caitong International Asset Management Co., Ltd (238).
Business Quant data shows the 10 biggest positions in Serina Therapeutics as of June 2026 are held by Sio Capital Management, LLC (1.0Mn), VANGUARD CAPITAL MANAGEMENT LLC (162.2K), Waverly Advisors, LLC (67.49K), GEODE CAPITAL MANAGEMENT, LLC (51.01K), Keel Point, LLC (21.51K), Northern Trust Corp (20.77K), VANGUARD FIDUCIARY TRUST CO (20.01K), Avidian Wealth Enterprises, LLC (18.8K), JANE STREET GROUP, LLC (15.44K), State Street Corp (12.76K).

Form 13F Holdings

28 Institutional Holders

Report period 30 Jun, 2026

Total shares held 1.41Mn

Of outstanding 8.58%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Sio Capital Management, LLC	0001482416	1,000,000	6.10%	0	0.00%	$1.94Mn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	162,198	0.99%	▲3,062	+1.92%	$314.66K
3	Waverly Advisors, LLC	0001568787	67,492	0.41%	0	0.00%	$130.93K
4	GEODE CAPITAL MANAGEMENT, LLC	0001214717	51,007	0.31%	▼13,966	-21.50%	$98.96K
5	Keel Point, LLC	0001386935	21,508	0.13%	0	0.00%	$41.73K
6	Northern Trust Corp	0000073124	20,771	0.13%	▲20,771	0.00%	$40.30K
7	VANGUARD FIDUCIARY TRUST CO	0000933478	20,009	0.12%	0	0.00%	$38.82K
8	Avidian Wealth Enterprises, LLC	0001471474	18,800	0.11%	0	0.00%	$36.47K
9	JANE STREET GROUP, LLC	0001595888	15,444	0.09%	▼24,209	-61.05%	$29.96K
10	State Street Corp	0000093751	12,758	0.08%	0	0.00%	$24.75K
11	Caitong International Asset Management Co., Ltd	0001963355	3,744	0.02%	▼238	-5.98%	$7.26K
12	Wells Fargo & Company/Mn	0000072971	3,611	0.02%	▲5	+0.14%	$7.01K
13	Tower Research Capital LLC (TRC)	0001533421	2,570	0.02%	▲1,727	+204.86%	$4.99K
14	BlackRock, Inc.	0002012383	2,378	0.01%	▼55,886	-95.92%	$4.61K
15	OSAIC HOLDINGS, INC.	0001677044	2,002	0.01%	▲1,001	+100.00%	$3.88K
16	UBS Group AG	0001610520	1,347	0.01%	▲1,342	+26,840.00%	$2.61K
17	Barclays Plc	0000312069	545	0.00%	▲545	0.00%	$1.06K
18	Avion Wealth	0001792704	312	0.00%	▲312	0.00%	$0
19	Piscataqua Savings Bank	0001855835	28	0.00%	0	0.00%	$54
20	Morgan Stanley	0000895421	14	0.00%	▲6	+75.00%	$28

Showing 1 to 20 of 28 holders