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PTC Therapeutics
PTCT

Overview Fund Activity

261 hedge funds and large institutions have $4.03B invested in PTC Therapeutics in 2025 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 86 increasing their positions, 93 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
261
Holders Change
+23
Holders Change %
+9.66%
% of All Funds
3.55%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
51
Increased
86
Reduced
93
Closed
25
Calls
$15.8M
Puts
$12.5M
Net Calls
+$3.3M
Net Calls Change
+$20.9M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$60.8M
2
Marshall Wace
Marshall Wace
United Kingdom
+$37.8M
3
Citadel Advisors
Citadel Advisors
Florida
+$36.2M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$32.2M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$32M

Top Sellers

1
CCM
Camber Capital Management
Massachusetts
-$86.6M
2
AC
Armistice Capital
New York
-$48.1M
3
Blackstone Inc
Blackstone Inc
New York
-$47.8M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
-$40.3M
5
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$34.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$439M -$29.1M -571,450 -6%
BlackRock
2
BlackRock
New York
$396M -$6.65M -130,584 -2%
RI
3
RTW Investments
New York
$381M +$4.59M +90,000 +1%
AC
4
Armistice Capital
New York
$277M -$48.1M -943,157 -15%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$276M +$32.2M +632,049 +13%
Janus Henderson Group
6
Janus Henderson Group
United Kingdom
$158M +$32M +590,814 +25%
Toronto Dominion Bank
7
Toronto Dominion Bank
Ontario, Canada
$133M -$34.3M -673,533 -20%
State Street
8
State Street
Massachusetts
$125M -$12.9M -253,100 -9%
Fidelity Investments
9
Fidelity Investments
Massachusetts
$103M +$60.8M +1,193,518 +146%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$95.5M +$3.92M +76,870 +4%
DCM
11
Driehaus Capital Management
Illinois
$77.1M +$24M +471,586 +45%
CCM
12
Camber Capital Management
Massachusetts
$76.4M -$86.6M -1,700,000 -53%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$73.7M -$4.94M -97,013 -6%
Point72 Asset Management
14
Point72 Asset Management
Connecticut
$70M -$3.56M -69,789 -5%
Franklin Resources
15
Franklin Resources
California
$64.9M -$264K -5,180 -0.4%
UBS Group
16
UBS Group
Switzerland
$64.7M +$10.1M +198,596 +19%
Citadel Advisors
17
Citadel Advisors
Florida
$59.5M +$36.2M +709,606 +155%
Pictet Asset Management
18
Pictet Asset Management
Switzerland
$54M +$15.9M +306,070 +42%
NL
19
Nuveen LLC
North Carolina
$51.4M +$51.4M +1,009,168 New
TCM
20
Tang Capital Management
California
$51M +$15.3M +300,000 +43%
Morgan Stanley
21
Morgan Stanley
New York
$48.4M -$6.34M -124,383 -12%
Northern Trust
22
Northern Trust
Illinois
$37.9M +$817K +16,035 +2%
Marshall Wace
23
Marshall Wace
United Kingdom
$37.8M +$37.8M +741,002 New
Renaissance Technologies
24
Renaissance Technologies
New York
$34.2M +$871K +17,100 +3%
Charles Schwab
25
Charles Schwab
California
$33.7M -$1.2M -23,635 -3%
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