ALLIANCEBERNSTEIN L.P.

Position in PTCT — Ptc Therapeutics, Inc.

CIK 1109448 NASHVILLE, TN

Back to PTCT Full portfolio

Position in PTCT

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$10,367,750

+$3,204,115 QoQ

Shares Held

152,176

+61.4% QoQ

Ownership

0.183%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 59.87672169067396.ToString("F0")% Shared 0.ToString("F0")% None 40.12327830932605.ToString("F0")%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $5,113,566,936 across 211 Biotechnology names. PTCT ranks #51 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	3,910,786	$1,746,322,380
2	REGN	Regeneron Pharmaceuticals, Inc.	426,914	$329,850,832
3	ARGX	Argenx SE	422,304	$308,387,496
4	GMAB	Genmab A/S	9,557,149	$256,418,307
5	BBIO	BridgeBio Pharma, Inc.	1,908,907	$141,755,433
6	TECH	BIO-TECHNE Corp	2,213,197	$115,661,675
7	INSM	INSMED Inc	688,734	$112,621,783
8	HALO	Halozyme Therapeutics, Inc.	1,736,501	$112,230,059

All Filings in PTCT

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,367,750	152,176	+61.4%	Shares	Defined	2026-05-15
2025-12-31	$7,163,635	94,308	+2.5%	Shares	Defined	2026-02-17
2025-09-30	$5,647,083	92,017	+0.1%	Shares	Defined	2025-11-14
2025-06-30	$4,491,814	91,970	-31.0%	Shares	Defined	2025-08-14
2025-03-31	$6,792,101	133,283	-63.1%	Shares	Defined	2025-05-15
2024-12-31	$16,324,610	361,644	+62.9%	Shares	Defined	2025-02-12
2024-09-30	$8,237,980	222,048	+132.1%	Shares	Defined	2024-11-14
2024-06-30	$2,924,977	95,650	-73.4%	Shares	Defined	2024-08-14
2024-03-31	$10,476,967	360,157	+1.9%	Shares	Defined	2024-05-14
2023-12-31	$9,743,865	353,551	+169.7%	Shares	Defined	2024-02-14
2023-09-30	$2,937,233	131,068	-3.1%	Shares	Defined	2023-11-14
2023-06-30	$5,498,461	135,197	-58.4%	Shares	Defined	2023-08-15
2023-03-31	$15,738,156	324,900	-6.8%	Shares	Defined	2023-05-15
2022-12-31	$13,299,344	348,424	+179.0%	Shares	Defined	2023-02-15
2022-09-30	$6,268,474	124,870	+34.9%	Shares	Defined	2022-11-15
2022-06-30	$3,707,553	92,550	0.0%	Shares	Defined	2022-08-15
2022-03-31	$3,453,040	92,550	+0.2%	Shares	Defined	2022-05-13
2021-12-31	$3,678,300	92,350	0.0%	Shares	Defined	2022-02-14
2021-09-30	$3,436,343	92,350	-0.6%	Shares	Defined	2021-11-10
2021-06-30	$3,928,996	92,950	-94.6%	Shares	Defined	2021-07-30
2021-03-31	$81,296,966	1,716,937	-3.2%	Shares	Defined	2021-05-06
2020-12-31	$108,228,588	1,773,367	+2.0%	Shares	Defined	2021-02-08
2020-09-30	$81,282,261	1,738,658	+4.5%	Shares	Defined	2020-11-12
2020-06-30	$84,421,212	1,663,800	+3.9%	Shares	Defined	2020-08-13
2020-03-31	$71,415,569	1,600,887	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.