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NWBO

Northwest Biotherapeutics Inc

Company with tickers: NWBO

CIK
1072379
CUSIP
66737P600
Shares Outstanding
1,643,343,757
13F Activity (30d)
1 filings 1 filers

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.

Holders: 8
Total Value: $85,393
Total Shares: 406,644

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 8 13F filers · Δ vs Dec 31, 2025
Top Holder
49.2%
Mar 2023 → Mar 2026 · range 38.8% – 100.0%
+10.4 pts
Top 5
99.5%
Mar 2023 → Mar 2026 · range 91.5% – 100.0%
+0.1 pts
Top 10
100.0%
Mar 2023 → Mar 2026 · range 100.0% – 100.0%
0.0 pts
HHI
3,161
Mar 2023 → Mar 2026 · range 2,726 – 10,000
Highly concentrated+434

Quarterly Activity

vs Dec 31, 2025
New
2
Increased
1
Decreased
1
Sold Out
1
Unchanged
4
Holder count: +1
Institutional value: +78.9%
Shares held: +95.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 8 of 8
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Holder Value (USD) % of 13F Shares Open