STATE STREET CORP

Position in PTCT — Ptc Therapeutics, Inc.

CIK 93751 BOSTON, MA

Back to PTCT Full portfolio

Position in PTCT

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$375,136,514

+$79,008,175 QoQ

Shares Held

4,598,952

+5.8% QoQ

Ownership

5.51%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

of 383 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 10% Shared 0% None 90%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

STATE STREET CORP holds $36,881,619,425 across 411 Biotechnology names. PTCT ranks #20 (1.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	11,871,459	$5,896,909,829
2	REGN	Regeneron Pharmaceuticals, Inc.	4,834,688	$3,014,621,355
3	INCY	Incyte Corp	9,722,336	$1,102,124,008
4	MRNA	Moderna, Inc.	15,726,193	$1,101,305,295
5	ALNY	Alnylam Pharmaceuticals, Inc.	3,555,689	$1,070,369,059
6	RVMD	Revolution Medicines, Inc.	4,897,051	$917,119,711
7	RPRX	Royalty Pharma plc	12,338,229	$691,804,500
8	INSM	INSMED Inc	6,052,174	$645,282,791

All Filings in PTCT

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$375,136,514	4,598,952	+5.8%	Shares	Defined	2026-08-07
2026-03-31	$296,128,339	4,346,519	+3.3%	Shares	Defined	2026-05-15
2025-12-31	$319,497,330	4,206,126	+34.2%	Shares	Defined	2026-02-13
2025-09-30	$192,381,632	3,134,783	+4.6%	Shares	Defined	2025-11-14
2025-06-30	$146,346,813	2,996,454	+22.1%	Shares	Defined	2025-08-14
2025-03-31	$125,101,500	2,454,896	-9.3%	Shares	Defined	2025-05-15
2024-12-31	$122,238,939	2,707,996	-6.6%	Shares	Defined	2025-02-14
2024-09-30	$107,554,384	2,899,040	+5.4%	Shares	Defined	2024-11-14
2024-06-30	$84,074,817	2,749,340	-33.1%	Shares	Defined	2024-08-14
2024-03-31	$119,553,849	4,109,792	-11.3%	Shares	Defined	2024-05-15
2023-12-31	$127,711,799	4,633,955	+46.2%	Shares	Defined	2024-02-14
2023-09-30	$71,014,152	3,168,860	-0.1%	Shares	Defined	2023-11-14
2023-06-30	$128,943,584	3,170,484	+9.1%	Shares	Defined	2023-08-14
2023-03-31	$140,724,642	2,905,133	-15.5%	Shares	Defined	2023-05-15
2022-12-31	$131,247,201	3,438,491	+21.8%	Shares	Defined	2023-05-15
2022-09-30	$141,726,246	2,823,232	-22.1%	Shares	Defined	2022-11-15
2022-06-30	$145,212,572	3,624,877	+13.8%	Shares	Defined	2022-08-15
2022-03-31	$118,796,047	3,184,027	+13.7%	Shares	Defined	2022-05-16
2021-12-31	$111,580,996	2,801,431	+5.8%	Shares	Defined	2022-02-14
2021-09-30	$98,555,187	2,648,621	+11.4%	Shares	Defined	2021-11-15
2021-06-30	$100,476,931	2,377,027	+17.0%	Shares	Defined	2021-08-16
2021-03-31	$96,208,476	2,031,858	-6.9%	Shares	Defined	2021-07-09
2020-12-31	$133,142,864	2,181,597	-4.5%	Shares	Defined	2021-02-16
2020-09-30	$106,758,674	2,283,608	-2.3%	Shares	Defined	2020-11-10
2020-06-30	$118,568,369	2,336,783	-1.5%	Shares	Defined	2020-08-14
2020-03-31	$105,845,120	2,372,677	—	Shares	Defined	2020-06-19
No filing history on record for this holder in this stock.