DOSSIER · 13F Holders · Q1 2026
XBIO

XENETIC BIOSCIENCES INC

9 institutions still hold XENETIC BIOSCIENCES INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 984015602·9 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$488K
visible holders
Holders
9
filers reporting
Concentration
75.45%
RENAISSANCE TECHNOLOGIES LLC #1
top holder share
AI Holders Summary · Q1 2026

9 institutions reported XBIO in Q1 2026. RENAISSANCE TECHNOLOGIES LLC leads at 75.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$368K137K0.00%Q1 2026
02
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$57K21K0.00%Q1 2026
03
CITADEL ADVISORS LLC
CIK 0001423053
$32K15K0.00%Q4 2025
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$18K7K0.00%Q1 2026
05
JTC Employer Solutions Trustee Ltd
CIK 0001875645
$7K3K0.00%Q1 2026
06
SBI Securities Co., Ltd.
CIK 0001851815
$3K1K0.00%Q2 2026
07
Tower Research Capital LLC (TRC)
CIK 0001533421
$2K8060.00%Q1 2026
08
Darwin Wealth Management, LLC
CIK 0001663224
$520.00%Q2 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Insiders at XENETIC BIOSCIENCES INC
Parslow James FVinogradov Alexey AndreevichBorisenko Grigory G.Dastoor Firdaus J.Kornberg Roger D.Lockshin CurtisEisenberg Jeffrey FMizrahy Moshe