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Prosight Management’s MeiraGTx Holdings MGTX Stock Holding History

Prosight Management’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 		$1.22M Sell
90,000
-2,539,971
-97% -$25.2M 0.21% 32
2026
Q1 		$22.8M Sell
2,629,971
-579,817
-18% -$4.4M 3.73% 11
2025
Q4 		$25.5M Sell
3,209,788
-879,721
-22% -$7.31M 5.27% 6
2025
Q3 		$33.7M Sell
4,089,509
-497,914
-11% -$3.94M 7.85% 2
2025
Q2 		$29.9M Buy
4,587,423
+895,877
+24% +$5.29M 7.29% 3
2025
Q1 		$25M Sell
3,691,546
-699,291
-16% -$4.7M 8.22% 2
2024
Q4 		$26.7M Sell
4,390,837
-509,733
-10% -$2.99M 7.39% 4
2024
Q3 		$20.4M Buy
4,900,570
+547,870
+13% +$2.37M 5.03% 5
2024
Q2 		$18.3M Buy
4,352,700
+335,399
+8% +$1.69M 5.48% 6
2024
Q1 		$24.4M Sell
4,017,301
-33,413
-0.8% -$211K 6.78% 4
2023
Q4 		$28.4M Sell
4,050,714
-28,090
-0.7% -$139K 11.42% 2
2023
Q3 		$20M Hold
4,078,804
– – 6.35% 4
2023
Q2 		$27.4M Buy
4,078,804
+2,589,887
+174% +$16.7M 8.02% 2
2023
Q1 		$7.7M Sell
1,488,917
-144,629
-9% -$1M 3.65% 12
2022
Q4 		$10.7M Buy
1,633,546
+530,181
+48% +$3.64M 5.81% 4
2022
Q3 		$9.28M Buy
1,103,365
+117,147
+12% +$1.03M 4.97% 7
2022
Q2 		$7.47M Buy
986,218
+605,518
+159% +$5.87M 5.88% 7
2022
Q1 		$5.27M Buy
+380,700
New +$5.86M 3.4% 9
2021
Q4 		– Sell
-291,080
Closed -$3.84M – 48
2021
Q3 		$3.84M Buy
291,080
+17,557
+6% +$240K 2.11% 17
2021
Q2 		$4.24M Sell
273,523
-18,421
-6% -$263K 2.65% 16
2021
Q1 		$4.21M Sell
291,944
-89,175
-23% -$1.39M 3.45% 12
2020
Q4 		$5.77M Sell
381,119
-9,980
-3% -$141K 2.67% 16
2020
Q3 		$5.18M Sell
391,099
-128,868
-25% -$1.7M 2.46% 18
2020
Q2 		$6.51M Sell
519,967
-48,381
-9% -$674K 2.79% 14
2020
Q1 		$7.64M Buy
568,348
+50,504
+10% +$853K 3.57% 11
2019
Q4 		$10.4M Buy
517,844
+179,748
+53% +$3.08M 4.55% 9
2019
Q3 		$5.39M Buy
+338,096
New +$7.87M 2.99% 14
2019
Q2 		– Sell
-91,317
Closed -$1.57M – 44
2019
Q1 		$1.57M Buy
+91,317
New +$1.29M 0.69% 32
2018
Q4 		– Sell
-38,746
Closed -$527K – 37
2018
Q3 		$527K Buy
+38,746
New +$419K 0.29% 31

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

Prosight Management's MGTX Position: Q2 2026 in Review

Prosight Management reduced its MeiraGTx Holdings (MGTX) stake by 97% in Q2 2026, selling an estimated $25.2M and leaving 90,000 shares worth $1.22M. The position accounts for 0.21% of the portfolio, ranked #32.

Prosight Management first reported a position in MGTX in Q3 2018 and has held it in 29 quarters since. The position peaked at $33.7M in Q3 2025. 158 funds tracked by Wall St. Rank hold MGTX as of Q2 2026.

  • Prosight Management held 90,000 shares of MeiraGTx Holdings worth $1.22M as of Q2 2026.
  • Prosight Management sold 2,539,971 MeiraGTx Holdings shares in Q2 2026, an estimated $25.2M.
  • MeiraGTx Holdings made up 0.21% of Prosight Management's portfolio in Q2 2026, its #32 holding.
  • Prosight Management first reported a position in MeiraGTx Holdings in Q3 2018 and has held it in 29 quarters since.
  • Prosight Management's MeiraGTx Holdings position peaked at $33.7M in Q3 2025.
  • 158 funds tracked by Wall St. Rank held MeiraGTx Holdings as of Q2 2026.

Based on Prosight Management's 13F filing for Q2 2026, filed 14 Aug 2026.