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PTC Therapeutics

349 hedge funds and large institutions have $6.51B invested in PTC Therapeutics in 2026 Q1 according to their latest regulatory filings, with 61 funds opening new positions, 144 increasing their positions, 101 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed

384% more call options, than puts

Call options by funds: $57.5M | Put options by funds: $11.9M

43% more repeat investments, than reductions

Existing positions increased: 144 | Existing positions reduced: 101

11% more first-time investments, than exits

New positions opened: 61 | Existing positions closed: 55

0.1% less ownership

Funds ownership: 115.47%115.37% (-0.1%)

1% less funds holding

Funds holding: 351349 (-2)

8% less capital invested

Capital invested by funds: $7.04B → $6.51B (-$536M)

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

Holders
349
Holders Change
-2
Holders Change %
-0.57%
% of All Funds
4.3%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.07%
New
61
Increased
144
Reduced
101
Closed
55
Calls
$57.5M
Puts
$11.9M
Net Calls
+$45.6M
Net Calls Change
+$40.7M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$882M +$12M +169,652 +1%
RI
2
RTW Investments
New York
$528M
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$490M +$166M +2,342,101 +48%
VPM
4
Vanguard Portfolio Management
Pennsylvania
$327M +$340M +4,804,594 New
State Street
5
State Street
Massachusetts
$296M +$9.94M +140,393 +3%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$269M +$5.33M +75,230 +2%
VCM
7
Vanguard Capital Management
Pennsylvania
$250M +$260M +3,676,256 New
Toronto Dominion Bank
8
Toronto Dominion Bank
Ontario, Canada
$206M -$78.8M -1,112,252 -27%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$151M +$13.7M +193,892 +10%
AC
10
Armistice Capital
New York
$141M -$51.5M -727,420 -26%
Bank of America
11
Bank of America
North Carolina
$129M +$32.2M +455,284 +32%
HRCM
12
Hood River Capital Management
Florida
$113M +$46.8M +661,484 +66%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$112M -$7.41M -104,610 -6%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$104M -$10.8M -152,854 -9%
TCM
15
Tang Capital Management
California
$102M
UBS Group
16
UBS Group
Switzerland
$93M +$28.3M +400,110 +41%
JFG
17
Jefferies Financial Group
New York
$92.3M -$21.5M -304,022 -18%
Pictet Asset Management
18
Pictet Asset Management
Switzerland
$80.1M +$14.5M +204,763 +21%
Franklin Resources
19
Franklin Resources
California
$76.4M -$11.7M -165,297 -13%
DCM
20
Driehaus Capital Management
Illinois
$69.2M -$8.53M -120,416 -11%
PAI
21
Palo Alto Investors
California
$62.8M +$1.25M +17,691 +2%
BNP Paribas Financial Markets
22
BNP Paribas Financial Markets
France
$62.7M +$6.5M +91,814 +11%
Dimensional Fund Advisors
23
Dimensional Fund Advisors
Texas
$60.7M +$18.7M +263,623 +42%
SG Americas Securities
24
SG Americas Securities
New York
$59.9M -$1.05M -14,760 -2%
Invesco
25
Invesco
Georgia
$59M +$30.5M +431,166 +99%