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MGTX · MeiraGTx Holdings plc

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$15.11 +0.28 (+1.89%)
Market Cap
$1.38B
Shares
96.04M

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: 156
Total Value: $1,070,154,415
Total Shares: 79,212,029

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 156 13F filers · Δ vs Mar 31, 2026
Top Holder
15.4%
Sep 2023 → Jun 2026 · range 15.4% – 29.9%
−6.1 pts
Top 5
54.9%
Sep 2023 → Jun 2026 · range 54.9% – 77.1%
−3.8 pts
Top 10
73.5%
Sep 2023 → Jun 2026 · range 73.5% – 88.7%
−6.2 pts
HHI
761
Sep 2023 → Jun 2026 · range 761 – 1,563
Broadly held−186

Quarterly Activity

vs Mar 31, 2026
New
43
Increased
75
Decreased
23
Sold Out
16
Unchanged
15
Holder count: +27
Institutional value: +117.6%
Shares held: +39.5%

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 100 of 159
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1735438 CUSIP G59665102 13F (30d) 143 filings 139 filers Visit website Investor relations