Adage Capital Partners’s MeiraGTx Holdings MGTX Stock Holding History

Adage Capital Partners’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	$59.4M	Buy	4,400,000 +400,000	+10%	+$3.97M	0.08%	244
2026 Q1	$34.6M	Hold	4,000,000	–	–	0.05%	333
2025 Q4	$31.8M	Sell	4,000,000 -184,578	-4%	-$1.53M	0.05%	355
2025 Q3	$34.4M	Sell	4,184,578 -1,850,000	-31%	-$14.6M	0.05%	322
2025 Q2	$39.3M	Buy	6,034,578 +400,000	+7%	+$2.36M	0.07%	287
2025 Q1	$38.2M	Buy	5,634,578 +600,000	+12%	+$4.03M	0.07%	287
2024 Q4	$30.7M	Sell	5,034,578 -194,521	-4%	-$1.14M	0.05%	321
2024 Q3	$21.8M	Hold	5,229,099	–	–	0.04%	429
2024 Q2	$22M	Sell	5,229,099 -62,519	-1%	-$315K	0.04%	408
2024 Q1	$32.1M	Hold	5,291,618	–	–	0.06%	336
2023 Q4	$37.1M	Buy	5,291,618 +620,601	+13%	+$3.07M	0.08%	264
2023 Q3	$22.9M	Hold	4,671,017	–	–	0.05%	357
2023 Q2	$31.4M	Buy	4,671,017 +1,565,217	+50%	+$10.1M	0.07%	289
2023 Q1	$16.1M	Hold	3,105,800	–	–	0.04%	493
2022 Q4	$20.2M	Hold	3,105,800	–	–	0.05%	423
2022 Q3	$26.1M	Hold	3,105,800	–	–	0.06%	336
2022 Q2	$23.5M	Buy	3,105,800 +133,645	+4%	+$1.3M	0.05%	378
2022 Q1	$41.2M	Buy	2,972,155 +109,101	+4%	+$1.68M	0.08%	264
2021 Q4	$68M	Buy	2,863,054 +738,054	+35%	+$14.1M	0.12%	169
2021 Q3	$28M	Sell	2,125,000 -75,000	-3%	-$1.03M	0.06%	351
2021 Q2	$34.1M	Hold	2,200,000	–	–	0.07%	301
2021 Q1	$31.7M	Buy	2,200,000 +250,000	+13%	+$3.91M	0.06%	317
2020 Q4	$29.5M	Buy	1,950,000 +1,500,000	+333%	+$21.2M	0.06%	317
2020 Q3	$5.96M	Sell	450,000 -25,000	-5%	-$329K	0.01%	607
2020 Q2	$5.95M	Hold	475,000	–	–	0.02%	599
2020 Q1	$6.38M	Hold	475,000	–	–	0.02%	545
2019 Q4	$9.51M	Hold	475,000	–	–	0.02%	545
2019 Q3	$7.58M	Buy	475,000 +300,000	+171%	+$6.98M	0.02%	572
2019 Q2	$4.7M	Hold	175,000	–	–	0.01%	621
2019 Q1	$3.02M	Buy	+175,000	New	+$2.47M	0.01%	639

Other funds holding MGTX

Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return

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

Johnson & Johnson New Brunswick, New Jersey $799M AUM 253.51% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return

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

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Adage Capital Partners's MGTX Position: Q2 2026 in Review

Adage Capital Partners increased its MeiraGTx Holdings (MGTX) stake by 10% in Q2 2026, buying an estimated $3.97M and bringing the position to 4,400,000 shares worth $59.4M. The position accounts for 0.08% of the portfolio, ranked #244.

Adage Capital Partners first reported a position in MGTX in Q1 2019 and has held it in 30 quarters since. The position peaked at $68M in Q4 2021. 158 funds tracked by Wall St. Rank hold MGTX as of Q2 2026.

Adage Capital Partners held 4,400,000 shares of MeiraGTx Holdings worth $59.4M as of Q2 2026.
Adage Capital Partners bought 400,000 MeiraGTx Holdings shares in Q2 2026, an estimated $3.97M.
MeiraGTx Holdings made up 0.08% of Adage Capital Partners's portfolio in Q2 2026, its #244 holding.
Adage Capital Partners first reported a position in MeiraGTx Holdings in Q1 2019 and has held it in 30 quarters since.
Adage Capital Partners's MeiraGTx Holdings position peaked at $68M in Q4 2021.
158 funds tracked by Wall St. Rank held MeiraGTx Holdings as of Q2 2026.

Based on Adage Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.