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MeiraGTx Holdings
MGTX

112 hedge funds and large institutions have $420M invested in MeiraGTx Holdings in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 36 increasing their positions, 38 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

69% more call options, than puts

Call options by funds: $318K | Put options by funds: $188K

3.91% more ownership

Funds ownership: 76.07% → 79.98% (+3.9%)

3% more capital invested

Capital invested by funds: $407M → $420M (+$12.9M)

0% more funds holding in top 10

Funds holding in top 10: 5 → 5 (0)

5% less repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 38

5% less funds holding

Funds holding: 118 → 112 (-6)

23% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 22

Holders
112
Holders Change
-6
Holders Change %
-5.08%
% of All Funds
1.47%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
17
Increased
36
Reduced
38
Closed
22
Calls
$318K
Puts
$188K
Net Calls
+$130K
Net Calls Change
-$776K

Top Buyers

Rank Fund Capital Flow
1
RCMNY
Rubric Capital Management (New York)
New York
+$11.5M
2
PM
Prosight Management
Texas
+$5.29M
3
JGC
J. Goldman & Co
New York
+$5.23M
4
Millennium Management
Millennium Management
New York
+$4.64M
5
2L
22NW LP
Washington
+$3.46M

Top Sellers

Rank Fund Capital Flow
1
WP
Woodline Partners
California
-$5.45M
2
RA
Royce & Associates
New York
-$2.31M
3
Invesco
Invesco
Georgia
-$1.81M
4
BlackRock
BlackRock
New York
-$1.57M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$1.43M
Name Holding Trade Value Shares
Change 		Change in
Stake
PFM
26
Privium Fund Management
Netherlands
$1.06M +$272K +46,000 +39%
Dimensional Fund Advisors
27
Dimensional Fund Advisors
Texas
$977K -$1.43M -242,632 -62%
Goldman Sachs
28
Goldman Sachs
New York
$955K -$334K -56,573 -28%
Balyasny Asset Management
29
Balyasny Asset Management
Illinois
$919K +$832K +140,903 New
N
30
Nuveen
North Carolina
$907K -$59.6K -10,086 -7%
RAM
31
Readystate Asset Management
Illinois
$870K -$332K -56,197 -30%
William Blair & Company
32
William Blair & Company
Illinois
$864K – – –
Bank of New York Mellon
33
Bank of New York Mellon
New York
$705K -$14K -2,365 -2%
Barclays
34
Barclays
United Kingdom
$705K +$144K +24,345 +29%
AQR Capital Management
35
AQR Capital Management
Connecticut
$695K +$145K +24,508 +30%
Charles Schwab
36
Charles Schwab
California
$683K -$66.6K -11,285 -10%
HF
37
HRT Financial
New York
$668K +$606K +102,575 New
Susquehanna International Group
38
Susquehanna International Group
Pennsylvania
$578K -$219K -37,082 -30%
Qube Research & Technologies (QRT)
39
Qube Research & Technologies (QRT)
United Kingdom
$530K +$480K +81,231 New
Russell Investments Group
40
Russell Investments Group
United Kingdom
$518K -$447K -75,760 -49%
UBS Group
41
UBS Group
Switzerland
$475K +$59.7K +10,108 +16%
FSA
42
Fort Sheridan Advisors
Illinois
$446K -$7.63K -1,293 -2%
HWAM
43
Hennion & Walsh Asset Management
New Jersey
$418K +$379K +64,127 New
RhumbLine Advisers
44
RhumbLine Advisers
Massachusetts
$415K +$32.4K +5,488 +9%
SCP
45
Sender Company & Partners
New York
$395K +$358K +60,640 New
DC
46
Davenport & Co
Virginia
$360K -$5.91K -1,000 -2%
AllianceBernstein
47
AllianceBernstein
Tennessee
$356K +$24.8K +4,200 +8%
Brown Advisory
48
Brown Advisory
Maryland
$326K +$295K +50,000 New
QCM
49
Quantinno Capital Management
New York
$319K +$289K +48,893 New
LBA
50
Letko, Brosseau & Associates
Quebec, Canada
$295K – – –
1
2
3 4 5

MGTX Hedge Fund Activity: Q2 2025 in Review

112 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in MeiraGTx Holdings (MGTX) for Q2 2025, worth a combined $420M — up 3.2% from $407M a quarter earlier.

Sellers outnumbered buyers: 22 funds closed out of MGTX and 17 opened new positions — a net loss of 5 holders — while 38 trimmed existing stakes and 36 added.

The largest buyer was Rubric Capital Management (New York), adding an estimated $11.5M. The largest seller was Woodline Partners, exiting entirely with an estimated $5.45M sold.

  • 112 institutional investors held MeiraGTx Holdings (MGTX) as of Q2 2025, down from 118 in Q1 2025.
  • Funds reported $420M of MeiraGTx Holdings stock for Q2 2025, up 3.2% quarter-over-quarter.
  • 17 funds opened new MeiraGTx Holdings positions in Q2 2025 and 22 closed out, a net change of -5 holders.
  • The largest MeiraGTx Holdings buyer in Q2 2025 was Rubric Capital Management (New York), an estimated $11.5M added.
  • The largest MeiraGTx Holdings seller in Q2 2025 was Woodline Partners, an estimated $5.45M sold.

Based on aggregated 13F filings for Q2 2025.