PTC Therapeutics, Inc.

PTCT

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001070081

SEC filings (opens in a new tab)

In the last 90 days, PTC Therapeutics, Inc. insiders filed 0 open-market purchases and 12 sales; 382 institutions reported holding it in 13F filings for Q2 2026, worth $8.20B in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding PTC Therapeutics, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of PTCT: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	284	4	294	+14
Shares	79.9M	29.6K	82.7M	+2.80M (+3.5%)
Value	$3.90B	$1.44M	$5.07B	+$1.17B (+30.0%)

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (55)

Institutions that held PTC Therapeutics, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to PTCT in Q3 2025
Institution	Shares	Value	% of portfolio
Jefferies Financial Group Inc.	1,584,678	$97.3M	0.89%
Point72 Asset Management, L.P.	1,220,642	$74.9M	0.16%
Boston Partners	361,664	$22.2M	0.02%
Ikarian Capital, LLC	280,551	$17.2M	3.90%
Boxer Capital Management, LLC	200,000	$12.3M	3.91%
WCM Investment Management, LLC	147,065	$8.92M	0.02%
Boothbay Fund Management, LLC	110,631	$6.79M	0.18%
Woodline Partners LP	105,605	$6.48M	0.03%
Balyasny Asset Management LLC	95,925	$5.89M	0.01%
Cinctive Capital Management LP	95,308	$5.85M	0.29%
ExodusPoint Capital Management, LP	73,458	$4.51M	0.06%
Point72 Europe (London) LLP	62,407	$3.83M	0.21%
Bridgeway Capital Management, LLC	41,800	$2.57M	0.05%
AXA Investment Managers S.A.	40,500	$2.49M	0.01%
Phocas Financial Corp.	37,234	$2.29M	0.30%
QRG Capital Management, Inc.	34,059	$2.09M	0.03%
Schroder Investment Management Group	34,122	$2.07M	0.00%
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management	20,775	$1.27M	0.03%
Brummer Multi-Strategy AB	19,142	$1.17M	21.40%
Private Capital Advisors, Inc.	16,062	$985.7K	0.11%
B. Metzler seel. Sohn & Co. AG	15,382	$944.0K	0.01%
Mercer Global Advisors Inc	14,385	$882.8K	0.00%
Natixis Advisors, L.P.	12,750	$782.0K	0.00%
Bridgewater Associates, LP	11,938	$732.6K	0.00%
HRT Financial LP	11,782	$723.0K	0.00%
Walleye Trading LLC	11,076	$679.7K	0.01%
Simplex Trading, LLC	8,926	$547.0K	0.01%
CIBC Bancorp USA Inc.	8,285	$508.4K	0.00%
XTX Topco Ltd	7,410	$454.8K	0.02%
denkapparat Operations GmbH	5,958	$365.6K	0.23%
FORA Capital, LLC	5,827	$357.6K	0.06%
Measured Wealth Private Client Group, LLC	4,698	$288.3K	0.08%
State of Alaska, Department of Revenue	4,308	$264.0K	0.00%
Juncture Wealth Strategies, LLC	4,102	$251.7K	0.08%
JustInvest LLC	3,749	$230.1K	0.00%
Syon Capital LLC	3,694	$226.7K	0.01%
Marex Group plc	3,692	$226.6K	0.00%
New Vernon Capital Holdings II LLC	3,675	$225.5K	0.10%
Neuberger Berman Group LLC	3,607	$221.4K	0.00%
Buckingham Strategic Partners	3,033	$217.0K	0.00%
Envestnet Portfolio Solutions, Inc.	3,454	$212.0K	0.00%
Arrowpoint Investment Partners (Singapore) Pte. Ltd.	3,291	$202.0K	0.30%
LSV Asset Management	2,700	$166.0K	0.00%
Exchange Traded Concepts, LLC	1,491	$91.5K	0.00%
Principal Securities, Inc.	814	$50.0K	0.00%
TD Private Client Wealth LLC	352	$21.6K	0.00%
Quarry LP	304	$18.7K	0.00%
Root Financial Partners, LLC	98	$6.01K	0.00%
Advisory Services Network, LLC	50	$3.07K	0.00%
WPG Advisers, LLC	16	$982	0.00%
Wealthspire Advisors, LLC	14	$859	0.00%
Bear Mountain Capital, Inc.	8	$537	0.00%
Financial Consulate, Inc	5	$307	0.00%
JPL Wealth Management, LLC	5	$307	0.00%
Cloud Capital Management, LLC	9	$0	0.00%

Sold out (41)

Institutions that held PTC Therapeutics, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of PTCT in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Trexquant Investment LP	272,774	$13.3M
Canada Pension Plan Investment Board	211,000	$10.3M
Squarepoint Ops LLC	181,978	$8.89M
Dark Forest Capital Management LP	63,069	$3.08M
Jump Financial, LLC	51,606	$2.52M
Jupiter Asset Management Ltd	46,104	$2.25M
Cubist Systematic Strategies, LLC	45,641	$2.23M
Graham Capital Management, L.P.	26,061	$1.27M
PDT Partners, LLC	25,684	$1.25M
Susquehanna Fundamental Investments, LLC	21,887	$1.07M
Bayforest Capital Ltd	18,779	$917.2K
Fieldview Capital Management, LLC	15,366	$750.5K
UBS Oconnor LLC	14,548	$710.5K
Elo Mutual Pension Insurance Co	14,111	$689.2K
Fox Run Management, L.L.C.	13,328	$650.9K
Entropy Technologies, LP	12,478	$609.4K
Wolverine Trading, LLC	10,836	$540.1K
Quadrature Capital Ltd	9,582	$467.7K
Headlands Technologies LLC	9,269	$452.7K
Aquatic Capital Management LLC	8,420	$411.2K
Capula Management Ltd	7,126	$348.0K
Sherbrooke Park Advisers LLC	7,028	$343.2K
Alyeska Investment Group, L.P.	6,795	$331.9K
Jain Global LLC	5,989	$292.5K
Oxford Asset Management LLP	5,762	$281.4K
Point72 Hong Kong Ltd	5,000	$244.2K
Brighton Jones LLC	4,628	$226.0K
Jacobs Levy Equity Management, Inc	4,542	$221.8K
CFC Planning Co LLC	4,537	$221.6K
DRW Securities, LLC	4,450	$217.3K
Pallas Capital Advisors LLC	4,203	$205.3K
Bryn Mawr Trust Co	1,351	$66.0K
Ulland Investment Advisors, LLC	100	$5.00K
Central Trust Co	43	$2.10K
UMA Financial Services, Inc.	22	$1.07K
Bokf, NA	16	$781
GeoWealth Management, LLC	13	$635
Riggs Asset Managment Co. Inc.	11	$538
Twin Peaks Wealth Advisors, LLC	9	$407
Skopos Labs, Inc.	4	$196
Avion Wealth	11	$0

Not filed for Q3 2025 yet (4)

Institutions that held PTC Therapeutics, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PTCT in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
E Fund Management Co., Ltd.	10,898	$532.3K
CIBC World Markets Corp	9,577	$467.7K
Avantax Advisory Services, Inc.	9,104	$444.6K
Parkworth Wealth Management, Inc.	2	$98