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XBIO · Xenetic Biosciences, Inc. · Holdings

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$2.14 -0.06 (-2.59%)
Rebalance outlook locked
Market Cap
$5.60M
Shares
2.34M
Volume · Oct 6 10.24K Avg daily vol (3M) 86.89K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →
Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
Holders: 8
Total Value: $442,584
Total Shares: 152,092

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 8 13F filers · Δ vs Mar 31, 2026
Top Holder
77.2%
Sep 2023 → Jun 2026 · range 24.9% – 81.3%
−4.1 pts
Top 5
99.4%
Sep 2023 → Jun 2026 · range 85.0% – 100.0%
−0.6 pts
Top 10
100.0%
Sep 2023 → Jun 2026 · range 100.0% – 100.0%
0.0 pts
HHI
6,167
Sep 2023 → Jun 2026 · range 1,754 – 6,820
Highly concentrated−617

Quarterly Activity

vs Mar 31, 2026
New
2
Increased
1
Decreased
3
Sold Out
0
Unchanged
2
Holder count: +2
Institutional value: -2.4%
Shares held: -10.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
VANGUARD CAPITAL MANAGEMENT LLC +5,950 12,681

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
RENAISSANCE TECHNOLOGIES LLC −20,000 117,440
GEODE CAPITAL MANAGEMENT, LLC −4,018 17,423
Tower Research Capital LLC (TRC) −110 696

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open
SBI Securities Co., Ltd. 1,000 $2,910
MORGAN STANLEY 150 $436

Top Sold-Out Positions

vs Mar 31, 2026
No fully closed positions this quarter.
Filter: New 2 Increased 1 Reduced 3 Sold out 0 Unchanged 2
Showing 8 of 8
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
RENAISSANCE TECHNOLOGIES LLC $341,750 77.22% 117,440
GEODE CAPITAL MANAGEMENT, LLC $50,700 11.46% 17,423
VANGUARD CAPITAL MANAGEMENT LLC $36,901 8.34% 12,681
JTC Employer Solutions Trustee Ltd $7,857 1.78% 2,700
SBI Securities Co., Ltd. $2,910 0.66% 1,000
Tower Research Capital LLC (TRC) $2,025 0.46% 696
MORGAN STANLEY $436 0.10% 150
Darwin Wealth Management, LLC $5 0.00% 2
Key facts CIK 1534525 CUSIP 984015602 Visit website Investor relations