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AKTX · Akari Therapeutics Plc · Holdings

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$11.30 +0.42 (+3.86%) At close · Sep 11
Market Cap
$21.34M
Shares
1.95M

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: 10
Total Value: $1,638,991
Total Shares: 159,980

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 10 13F filers · Δ vs Mar 31, 2026
Top Holder
62.5%
Sep 2023 → Jun 2026 · range 32.6% – 70.3%
−2.5 pts
Top 5
99.9%
Sep 2023 → Jun 2026 · range 89.2% – 100.0%
−0.1 pts
Top 10
100.0%
Sep 2023 → Jun 2026 · range 97.9% – 100.0%
0.0 pts
HHI
4,279
Sep 2023 → Jun 2026 · range 2,150 – 5,411
Highly concentrated−1,133

Quarterly Activity

vs Mar 31, 2026
New
6
Increased
1
Decreased
1
Sold Out
2
Unchanged
2
Holder count: +4
Institutional value: +431.8%
Shares held: +139.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 10 of 10
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1541157 CUSIP 00972G405 13F (30d) 5 filings 5 filers Visit website Investor relations