13F

Stock

Serina Therapeutics, Inc.

SER · held by 24 managers

Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025

Reported value

$2.81M

Holders

24

+7 new · −5 exited

Holders’ est. mark

$3.57K

Price effect on 14 books still in the name

Largest holder

$1.94M

Sio Capital Management, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Q3 2024Q3 2025Q4 2025Q1 2026

Who holds it

Notable only
InvestorSharesValueEst. markChange
Sio Capital Management, LLC1M$1.94M—New
VANGUARD CAPITAL MANAGEMENT LLC159.1K$308.7K—Held
Waverly Advisors, LLC67.5K$130.9K$1.82KAdded$1.82K
GEODE CAPITAL MANAGEMENT, LLC65K$126K$821Added$67.9K
BlackRock, Inc.58.3K$113K$466Added$80K
JANE STREET GROUP, LLC39.7K$76.9K—New
VANGUARD FIDUCIARY TRUST CO20K$38.8K—Held
Avidian Wealth Enterprises, LLC18.8K$36.5K—New
State Street12.8K$24.8K$345Added$345
Caitong International Asset Management Co., Ltd3.98K$7.72K—New
WELLS FARGO & COMPANY/MN3.61K$7K$98Added$102
OSAIC HOLDINGS, INC.1K$1.94K$2Added$1.94K
Tower Research Capital LLC (TRC)843$1.64K$12Added$776
Vanguard Global Advisers, LLC368$714—Held
Piscataqua Savings Bank28$54$1Added$1
Advisory Services Network, LLC14$27—New
MORGAN STANLEY8$16$1Added$1
ALBION FINANCIAL GROUP /UT8$16$0Held
Pacifica Partners Inc.8$16−$1Cut−$1
UBS Group AG5$10$0Cut−$819
Rockefeller Capital Management L.P.2$4$0Held
BNP PARIBAS FINANCIAL MARKETS2$4$0Held
Federation des caisses Desjardins du Quebec1$2—New
Farther Finance Advisors, LLC1$2—New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.