JO
MGTX icon

John Overdeck’s MeiraGTx Holdings MGTX Stock Holding History

John Overdeck’s Portfolio MGTX Stock Details MGTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$389K Buy
+28,769
New +$286K ﹤0.01% 4349
2024
Q2 		– Sell
-12,000
Closed -$72.8K – 3204
2024
Q1 		$72.8K Sell
12,000
-100
-0.8% -$632 ﹤0.01% 2857
2023
Q4 		$84.9K Sell
12,100
-600
-5% -$2.96K ﹤0.01% 2958
2023
Q3 		$62.4K Sell
12,700
-3,400
-21% -$20.6K ﹤0.01% 2795
2023
Q2 		$108K Hold
16,100
– – ﹤0.01% 2746
2023
Q1 		$83.2K Sell
16,100
-39,445
-71% -$273K ﹤0.01% 2697
2022
Q4 		$362K Buy
+55,545
New +$381K ﹤0.01% 2167
2022
Q3 		– Sell
-44,131
Closed -$334K – 2675
2022
Q2 		$334K Sell
44,131
-27,660
-39% -$268K ﹤0.01% 1984
2022
Q1 		$994K Sell
71,791
-16,282
-18% -$251K ﹤0.01% 1702
2021
Q4 		$2.09M Buy
+88,073
New +$1.69M ﹤0.01% 1880
2021
Q1 		– Sell
-39,224
Closed -$594K – 4090
2020
Q4 		$594K Buy
+39,224
New +$554K ﹤0.01% 2381
2020
Q1 		– Sell
-64,931
Closed -$1.3M – 3564
2019
Q4 		$1.3M Sell
64,931
-28,165
-30% -$482K ﹤0.01% 1945
2019
Q3 		$1.49M Buy
+93,096
New +$2.17M 0.01% 1659

Other funds holding MGTX

S
Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
JJ
Johnson & Johnson New Brunswick, New Jersey $799M AUM 253.51% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

John Overdeck's MGTX Position: Q2 2026 in Review

John Overdeck opened a new position in MeiraGTx Holdings (MGTX) in Q2 2026: 28,769 shares worth $389K. The stake represents ﹤0.01% of the portfolio and ranks #4349 among its holdings. This is a return to the name: John Overdeck previously reported a position in MGTX as recently as Q1 2024.

John Overdeck first reported a position in MGTX in Q3 2019 and has held it in 13 quarters since. The position peaked at $2.09M in Q4 2021. 156 funds tracked by Wall St. Rank hold MGTX as of Q2 2026.

  • John Overdeck held 28,769 shares of MeiraGTx Holdings worth $389K as of Q2 2026.
  • MeiraGTx Holdings was a new John Overdeck position in Q2 2026.
  • MeiraGTx Holdings made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4349 holding.
  • John Overdeck first reported a position in MeiraGTx Holdings in Q3 2019 and has held it in 13 quarters since.
  • John Overdeck's MeiraGTx Holdings position peaked at $2.09M in Q4 2021.
  • 156 funds tracked by Wall St. Rank held MeiraGTx Holdings as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.