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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
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 $336M AUM 126.85% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
JJ
Johnson & Johnson New Brunswick, New Jersey $652M AUM 198.07% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Prosight Management's MGTX Position: Q1 2026 in Review

Prosight Management reduced its MeiraGTx Holdings (MGTX) stake by 18% in Q1 2026, selling an estimated $4.4M and leaving 2,629,971 shares worth $22.8M. The position accounts for 3.73% of the portfolio, ranked #11.

Prosight Management first reported a position in MGTX in Q3 2018 and has held it in 28 quarters since. The position peaked at $33.7M in Q3 2025. 133 funds tracked by Wall St. Rank hold MGTX as of Q1 2026.

  • Prosight Management held 2,629,971 shares of MeiraGTx Holdings worth $22.8M as of Q1 2026.
  • Prosight Management sold 579,817 MeiraGTx Holdings shares in Q1 2026, an estimated $4.4M.
  • MeiraGTx Holdings made up 3.73% of Prosight Management's portfolio in Q1 2026, its #11 holding.
  • Prosight Management first reported a position in MeiraGTx Holdings in Q3 2018 and has held it in 28 quarters since.
  • Prosight Management's MeiraGTx Holdings position peaked at $33.7M in Q3 2025.
  • 133 funds tracked by Wall St. Rank held MeiraGTx Holdings as of Q1 2026.

Based on Prosight Management's 13F filing for Q1 2026, filed 15 May 2026.