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XBIONasdaqPharmaceutical PreparationsFiscal year ends December 31

Xenetic Biosciences, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$1.93−0.06 (-3.02%)

Close on Oct 19, 2026

Market cap
$4.43M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
6.5%
0M of 2M shares
Institutional holders
8
2 new, 0 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Dmitry Genkin215,964–13D (active) amendmentMar 18, 2024
Renaissance Technologies LLC137,4406.00%13G (passive) amendmentMar 31, 2026
Michael Liu126,7415.50%13G (passive)May 22, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of XBIOValueChange% of portfolio
Renaissance Technologies LLC117,4405.01%$341.75K−20,0000.00%
Geode Capital Management, LLC17,4230.74%$50.72K−4,0180.00%
Vanguard Capital Management LLC12,6810.54%$36.90K+5,9500.00%
JTC Employer Solutions Trustee Ltd2,7000.12%$8–0.00%
SBI Securities Co., Ltd.1,0000.04%$2.91KNew0.00%
Tower Research Capital LLC (TRC)6960.03%$2.03K−1100.00%
Morgan Stanley1500.01%$437New0.00%
Darwin Wealth Management, LLC20.00%$5–0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202680M6.5%2 / 13 / 00M0M
Q1 202660M7.2%1 / 12 / 60M0M
Q4 2025110M9.8%4 / 31 / 30M0M
Q3 2025100M2.5%2 / 21 / 10M0M
Q2 202590M2.7%0 / 22 / 40M0M
Q1 2025130M4.6%1 / 61 / 10M0M
Q4 2024130M3.8%6 / 12 / 20M0M
Q3 202490M2.1%5 / 11 / 10M0M
Q2 202450M0.6%1 / 12 / 30M0M
Q1 202470M0.8%0 / 21 / 00M0M
Q4 202370M0.7%1 / 12 / 10M0M
Q3 202370M0.7%1 / 12 / 30M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of XBIOValue% of fundAs of
Fidelity Extended Market Index Fund13,7250.59%$42.82K0.00%May 31, 2026
Vanguard Extended Market Index Fund12,6810.54%$36.90K0.00%Jun 30, 2026
Fidelity Nasdaq Composite Index Fund2,0700.09%$6.46K0.00%May 31, 2026
Fidelity Series Total Market Index Fund1,3880.06%$4.33K0.00%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
James F. ParslowInterim CEO and CFO100,0004.27%Apr 23, 2026
Roger D. KornbergDirector0–Jan 5, 2026
Firdaus J. DastoorDirector––Jan 5, 2026
Grigory G. BorisenkoDirector––Jan 5, 2026
Alexey Andreevich VinogradovDirector186,7817.97%Jan 5, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
James F. Parslow
Interim CEO and CFO
Apr 21, 2026Award+100,000––100,000
Dmitry Genkin
Director
Jul 19, 2019Award+93,390––93,603
Dmitry Genkin
Director
Mar 14, 2018Other−29,452––2,549
Jeffrey F. Eisenberg
CEO, Director
Oct 26, 2017Award+50,000––50,000

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.