Xenetic Biosciences, Inc. (XBIO)
Nasdaq: XBIO · Pharmaceutical Preparations · Framingham, MA · filing with the SEC since 2011
Who owns Xenetic Biosciences, Inc.
As filed with the SECHolders of 5% or more
1
Renaissance Technologies LLC holds 6% of Common Stock, $0.001 par value per share, as its SCHEDULE 13G/A filed May 14, 2026 says.
Directors and officers
5
report now, of 15 people on the record since 2016. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Renaissance Technologies LLC
SCHEDULE 13G/A · filed May 14, 2026 · Common Stock, $0.001 par value per share · 7.79% in Feb 12, 2026
MJL Manager LLC
SCHEDULE 13G · filed Sep 18, 2026 · Common Stock, $0.001 par value per share · reported falling below 5%, from 5.5% in May 29, 2026
What XBIO reports owning in othersstakes of 5% or more, and other ties
Xenetic Biosciences, Inc. reports no stake in another company in the record.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.