Back to WESTFIELD CAPITAL MANAGEMENT CO LP WESTFIELD CAPITAL MANAGEMENT CO LP

PTCTPTCT
3 quarters

Position history for WESTFIELD CAPITAL MANAGEMENT CO LPWESTFIELD CAPITAL MANAGEMENT CO LP's holdings in PTC THERAPEUTICS INC

Yes. Westfield Capital Management holds 1,956,156 shares of PTCT (PTC Therapeutics), worth $159.6M, as of its Q2 2026 13F filing. It opened the position in Q2 2026. PTCT is 0.5% of Westfield Capital Management's reported 13F portfolio.

Current Value

$159.6M

Current Shares

2M

Total Value Change

+$159.3M

Total Shares Change

+2M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
New
2M
-
$159.6M0.5%$81.57
59
2025-Q2
Exited
0
-100.0%
$00.0%$49.84
0
2025-Q1
New
5,076
-
$258,6730.0%$54.24
32

Other major holders of PTCT: BlackRock, Inc., VANGUARD GROUP INC, RTW INVESTMENTS, LP

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