Security Snapshot

MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share (MGTX) Institutional Ownership

CUSIP: G59665102

13F Institutional Holders and Ownership History from Q2 2018 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

157

Shares (Excl. Options)

79.21MFull value: 79,212,508 · shares · 30 Jun 2026

Price

$13.51

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+11,456,388
Value change
+$160,428,392
Number of holders
157
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
92,573,754
SEC-reported price per share
$10.38
Insider filing price
$10.38
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • MGTX - MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share is tracked under CUSIP G59665102.
  • 157 institutions reported positions in Q2 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 133 to 157 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $583MFull value: $582,996,430 · USD · 31 Mar 2026
    to
    $1.07BFull value: $1,069,014,257 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 157 institutions filings for Q2 2026.

Open SEC evidence

Security key

G59665102

13F reference period

Q2 2026

13F holders

157

13D/G owners

4

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
4
Security
MGTX
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PERCEPTIVE ADVISORS LLC 13% -2.3% $101,691,430 +$11,263,327 11,742,117 +12% Perceptive Advisors LLC 17 Apr 2026
Rubric Capital Management LP 9.8% +24% $126,854,000 +$40,769,886 9,100,000 +47% Rubric Capital Management LP 30 Jun 2026
Adage Capital Management, L.P. 4.9% -5.8% $38,520,000 -$1,777,486 4,000,000 -4.4% Adage Capital Management, L.P. 31 Mar 2026
Prosight Management, LP 4% -28% $23,702,995 -$8,448,499 3,211,788 -26% W. Lawrence Hawkins 31 Dec 2025
As of 30 Jun 2026, 157 institutional investors reported holding
79.21MFull value: 79,212,508 · shares · 30 Jun 2026
shares of MeiraGTx Holdings plc - Ordinary Shares, $0.00003881 par value per share (MGTX). This represents 86% of the company’s total
92.57MFull value: 92,573,754 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
77%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Sanofi 13% 12,197,737 0% 31% $164,791,427
PERCEPTIVE ADVISORS LLC 12% 10,786,658 +4.5% 2.3% $145,727,749
Rubric Capital Management LP 9.8% 9,100,000 +30% 1.1% $122,941,000
JOHNSON & JOHNSON 7.2% 6,641,064 0% 11% $89,720,775
BlackRock, Inc. 5.1% 4,757,178 +50% 0% $64,269,475
ADAGE CAPITAL PARTNERS GP, L.L.C. 4.8% 4,400,000 +10% 0.08% $59,444,000
Opaleye Management Inc. 3.8% 3,550,000 +67% 4.3% $47,960,500
MILLENNIUM MANAGEMENT LLC 3.2% 2,971,752 -14% 0.03% $40,148,370
683 Capital Management, LLC 2.5% 2,300,000 -6.1% 2.9% $31,073,000
Woodline Partners LP 1.6% 1,500,135 +400% 0.06% $20,266,824
STATE STREET CORP 1.5% 1,393,222 +85% 0% $18,822,429
MORGAN STANLEY 1.4% 1,312,703 -17% 0% $17,734,617
Knoll Capital Management, LLC 1.4% 1,250,000 0% 8.1% $16,887,500
KENNEDY CAPITAL MANAGEMENT LLC 1.2% 1,105,421 +29% 0.26% $14,934,238
Long Focus Capital Management, LLC 1.2% 1,080,300 +106% 0.6% $14,594,853
JACOBS LEVY EQUITY MANAGEMENT, INC 1.1% 1,015,106 +7324% 0.05% $13,714,082
D. E. Shaw & Co., Inc. 0.92% 852,902 +101% 0.01% $11,522,706
HEIGHTS CAPITAL MANAGEMENT, INC 0.92% 850,000 2.7% $11,483,500
GEODE CAPITAL MANAGEMENT, LLC 0.92% 849,082 +45% 0% $11,471,097
VANGUARD PORTFOLIO MANAGEMENT LLC 0.78% 723,563 +82% 0% $9,775,336
Erste Asset Management GmbH 0.75% 691,200 -4% 0.07% $8,667,648
CITADEL ADVISORS LLC 0.7% 650,489 +461% 0.01% $8,788,106
Nuveen, LLC 0.69% 639,459 +383% 0% $8,639,091
J. Goldman & Co LP 0.65% 601,972 +192% 0.29% $8,132,642
Jupiter Topco LLC 0.51% 475,757 0% 0% $6,427,194

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
34
Headline period
Q2 2026
Rows shown
1-25 of 34
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 8,874,045 $97,598,224 +$12,422,428 $11.00 36
2026 Q2 79,212,508 $1,069,014,257 +$160,428,392 $13.51 157
2026 Q1 67,387,776 $582,996,430 +$20,833,708 $8.66 133
2025 Q4 65,182,421 $518,195,876 +$7,589,640 $7.95 130
2025 Q3 64,115,394 $527,564,099 +$100,848 $8.23 122
2025 Q2 64,273,449 $419,562,716 +$27,529,421 $6.52 111
2025 Q1 59,986,380 $406,655,139 +$13,171,914 $6.78 118
2024 Q4 58,134,853 $353,880,152 +$5,661,044 $6.09 101
2024 Q3 45,221,185 $188,552,401 +$19,157,134 $4.17 97
2024 Q2 40,458,048 $170,235,110 +$4,338,640 $4.21 91
2024 Q1 39,300,324 $238,469,096 +$641,712 $6.07 95
2023 Q4 39,193,056 $275,136,034 +$9,570,624 $7.02 86
2023 Q3 37,791,917 $185,560,138 +$956,121 $4.91 74
2023 Q2 37,549,331 $252,327,936 +$61,583,237 $6.72 77
2023 Q1 28,748,444 $148,619,405 -$5,267,767 $5.17 88
2022 Q4 29,625,998 $193,116,514 +$5,062,552 $6.52 98
2022 Q3 27,968,146 $234,567,872 -$9,091,785 $8.41 98
2022 Q2 28,548,680 $216,121,658 -$5,764,085 $7.57 105
2022 Q1 29,291,750 $405,685,931 +$11,811,095 $13.85 101
2021 Q4 28,368,763 $672,844,608 +$17,527,958 $23.74 95
2021 Q3 27,863,121 $367,263,288 -$1,783,285 $13.18 79
2021 Q2 27,969,634 $433,466,019 +$13,341,762 $15.50 76
2021 Q1 27,129,412 $384,781,966 +$5,393,087 $14.43 79
2020 Q4 26,738,368 $404,815,585 +$66,577,970 $15.14 90
2020 Q3 22,138,540 $293,123,916 +$16,367,005 $13.24 82
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