PTC Therapeutics (PTCT) Institutional Ownership

$65.37 -2.63 (-3.87%)

Closing price 09/18/2026 04:00 PM Eastern

Extended Trading

$65.36 -0.01 (-0.02%)

As of 09/18/2026 07:46 PM Eastern

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Number of Institutional Buyers (last 12 months): 226
Total Institutional Inflows (last 12 months): $3.75B

Number of Institutional Sellers (last 12 months): 116
Total Institutional Outflows (last 12 months): $1.02B

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PTCT Institutional Buying and Selling by Quarter

PTC Therapeutics Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/9/2026	Tidal Investments LLC	2,589	$211K	0.0%	N/A	0.003%
9/9/2026	Engineers Gate Manager LP	27,276	$2.23M	0.0%	-40.9%	0.033%
9/9/2026	Integrated Wealth Concepts LLC	2,362	$193K	0.0%	N/A	0.003%
9/9/2026	IFP Advisors Inc	788	$64K	0.0%	-40.4%	0.001%
9/9/2026	Baird Financial Group Inc.	2,684	$219K	0.0%	N/A	0.003%
9/8/2026	Arizona State Retirement System	19,446	$1.59M	0.0%	-2.0%	0.023%
9/8/2026	Empirical Finance LLC	9,226	$753K	0.0%	N/A	0.011%
9/8/2026	Nykredit A S	3,225	$263K	0.0%	N/A	0.004%
8/27/2026	Corient Private Wealth LP	15,095	$1.23M	0.0%	N/A	0.018%
8/26/2026	Amundi	12,227	$997K	0.0%	+171.7%	0.015%
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8/26/2026	HighTower Advisors LLC	5,888	$480K	0.0%	-13.1%	0.007%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	28,450	$2.32M	0.0%	N/A	0.034%
8/21/2026	Nykredit A S	3,225	$263K	0.0%	N/A	0.004%
8/20/2026	Moore Capital Management LP	75,588	$6.17M	0.1%	+69.1%	0.091%
8/20/2026	Two Sigma Securities LLC	2,883	$235K	0.0%	N/A	0.003%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	126,011	$10.28M	0.0%	-0.7%	0.151%
8/19/2026	Hsbc Holdings PLC	131,389	$10.76M	0.0%	-42.1%	0.157%
8/19/2026	Wellington Management Group LLP	4,128,273	$336.74M	0.1%	+4.7%	4.946%
8/18/2026	Palo Alto Investors LP	918,846	$74.95M	0.0%	N/A	1.101%
8/18/2026	Empowered Funds LLC	81,271	$6.63M	0.0%	N/A	0.097%
8/18/2026	Jefferies Financial Group Inc.	1,357,042	$110.69M	0.7%	N/A	1.626%
8/17/2026	Corient Private Wealth LP	15,115	$1.23M	0.0%	N/A	0.018%
8/17/2026	Bank of America Corp DE	1,452,277	$118.46M	0.0%	N/A	1.740%
8/15/2026	Freestone Grove Partners LP	4,677	$382K	0.0%	N/A	0.006%
8/15/2026	Jupiter Topco LLC	7,236,402	$590.18M	0.2%	N/A	8.671%
8/14/2026	Hsbc Holdings PLC	131,389	$10.76M	0.0%	N/A	0.157%
8/14/2026	Canada Pension Plan Investment Board	5,400	$440K	0.0%	N/A	0.006%
8/14/2026	Castleark Management LLC	33,900	$2.77M	0.1%	N/A	0.041%
8/14/2026	Parkman Healthcare Partners LLC	435,691	$35.54M	3.6%	N/A	0.522%
8/14/2026	Legal & General Group Plc	352,734	$28.77M	0.0%	N/A	0.423%
8/14/2026	The Manufacturers Life Insurance Company	441,957	$36.05M	0.0%	N/A	0.530%
8/13/2026	Sanctuary Advisors LLC	4,519	$369K	0.0%	N/A	0.005%
8/13/2026	Globeflex Capital L P	5,956	$486K	0.1%	N/A	0.007%
8/12/2026	Northwestern Mutual Wealth Management Co.	1,487	$121K	0.0%	N/A	0.002%
8/12/2026	Quantbot Technologies LP	1,369	$112K	0.0%	N/A	0.002%
8/12/2026	William Blair Investment Management LLC	1,722,688	$140.52M	0.4%	N/A	2.064%
8/12/2026	Landscape Capital Management L.L.C.	14,958	$1.22M	0.1%	N/A	0.018%
8/12/2026	Ieq Capital LLC	19,611	$1.60M	0.0%	N/A	0.023%
8/11/2026	Allworth Financial LP	818	$67K	0.0%	N/A	0.001%
8/11/2026	Virtus Advisers LLC	5,148	$420K	0.2%	N/A	0.006%
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8/11/2026	Vise Technologies Inc.	8,560	$698K	0.0%	N/A	0.010%
8/11/2026	E Fund Management Co. Ltd.	5,616	$458K	0.0%	N/A	0.007%
8/7/2026	BlackRock Inc.	13,964,554	$1.14B	0.0%	N/A	16.732%
8/7/2026	Pallas Capital Advisors LLC	3,222	$263K	0.0%	N/A	0.004%
8/7/2026	Deutsche Bank AG	296,899	$24.22M	0.0%	N/A	0.356%
8/6/2026	State of Wyoming	1,702	$139K	0.0%	N/A	0.002%
8/3/2026	Summit Global Investments	7,542	$615K	0.0%	N/A	0.009%
8/3/2026	Walleye Capital LLC	19,522	$1.59M	0.0%	N/A	0.024%
7/10/2026	Handelsbanken Fonder AB	29,000	$2.37M	0.0%	+15.1%	0.035%
7/8/2026	Assenagon Asset Management S.A.	6,899	$563K	0.0%	-88.8%	0.008%
7/7/2026	GAMMA Investing LLC	1,453	$119K	0.0%	+58.1%	0.002%
7/7/2026	Avior Wealth Management LLC	3,780	$308K	0.0%	N/A	0.005%
7/7/2026	Harbor Investment Advisory LLC	987	$81K	0.0%	N/A	0.001%
6/12/2026	Defilade Capital Management L.P.	376,165	$25.63M	3.6%	N/A	0.453%
5/22/2026	Segall Bryant & Hamill LLC	195,380	$13.31M	0.2%	+287.4%	0.236%
5/19/2026	Bank of America Corp DE	1,886,841	$128.55M	0.0%	+31.8%	2.275%
5/19/2026	Edgestream Partners L.P.	8,314	$566K	0.0%	N/A	0.010%
5/19/2026	Janus Henderson Group PLC	7,193,433	$490.00M	0.2%	+48.3%	8.672%
5/18/2026	Amundi	4,500	$307K	0.0%	N/A	0.005%
5/18/2026	EverSource Wealth Advisors LLC	1,045	$71K	0.0%	+16.9%	0.001%
5/18/2026	California State Teachers Retirement System	84,320	$5.75M	0.0%	+23.5%	0.102%
5/18/2026	Royal Bank of Canada	3,863	$263K	0.0%	-38.1%	0.005%
5/18/2026	Rock Springs Capital Management LP	161,798	$11.02M	0.6%	+161.5%	0.195%
5/18/2026	Empowered Funds LLC	57,906	$3.95M	0.0%	-76.9%	0.070%
5/16/2026	The Manufacturers Life Insurance Company	425,240	$28.97M	0.0%	-0.3%	0.513%
5/16/2026	Quantinno Capital Management LP	6,606	$450K	0.0%	+6.0%	0.008%
5/16/2026	Castleark Management LLC	91,880	$6.26M	0.2%	-5.1%	0.111%
5/16/2026	Orbimed Advisors LLC	49,100	$3.35M	0.1%	+111.6%	0.059%
5/14/2026	Renaissance Technologies LLC	533,300	$36.33M	0.1%	-12.2%	0.643%
5/14/2026	Arrowstreet Capital Limited Partnership	111,632	$7.61M	0.0%	-72.5%	0.135%
5/14/2026	Sei Investments Co.	130,204	$8.87M	0.0%	+41.4%	0.157%
5/14/2026	State of Wyoming	6,153	$419K	0.0%	N/A	0.007%
5/13/2026	Measured Wealth Private Client Group LLC	7,395	$504K	0.1%	+49.0%	0.009%
5/13/2026	First Citizens Bank & Trust Co.	12,581	$857K	0.0%	N/A	0.015%
5/13/2026	First Trust Advisors LP	136,003	$9.27M	0.0%	-12.6%	0.164%
5/8/2026	PNC Financial Services Group Inc.	3,128	$213K	0.0%	+8.5%	0.004%
5/7/2026	WCM Investment Management LLC	94,687	$6.22M	0.0%	-14.1%	0.114%
5/7/2026	Dimensional Fund Advisors LP	890,715	$60.67M	0.0%	+42.0%	1.074%
5/7/2026	Swiss National Bank	142,865	$9.73M	0.0%	+1.3%	0.172%
5/6/2026	Gallacher Capital Management LLC	3,019	$206K	0.1%	N/A	0.004%
5/6/2026	Financiere des Professionnels Fonds d investissement inc.	7,228	$492K	0.0%	+24.2%	0.009%
5/6/2026	Bessemer Group Inc.	52,813	$3.60M	0.0%	+21,814.1%	0.064%
5/6/2026	Allspring Global Investments Holdings LLC	47,871	$3.29M	0.0%	+292.9%	0.058%
5/5/2026	Bank of New York Mellon Corp	522,763	$35.62M	0.0%	+1.6%	0.631%
5/5/2026	Illinois Municipal Retirement Fund	42,421	$2.89M	0.0%	-15.0%	0.051%
5/5/2026	Sanctuary Advisors LLC	3,627	$247K	0.0%	N/A	0.004%
5/4/2026	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	13,851	$944K	0.0%	+9.6%	0.017%
5/4/2026	Principal Financial Group Inc.	515,001	$35.09M	0.0%	+7.5%	0.621%
5/1/2026	Fifth Third Bancorp	17,447	$1.19M	0.0%	+12,362.1%	0.021%
4/30/2026	Hsbc Holdings PLC	227,059	$15.47M	0.0%	+1,772.2%	0.274%
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4/29/2026	Burney Co.	15,612	$1.06M	0.0%	-41.2%	0.019%
4/28/2026	Abel Hall LLC	4,562	$311K	0.1%	N/A	0.006%
4/28/2026	QRG Capital Management Inc.	26,023	$1.77M	0.0%	+19.9%	0.031%
4/27/2026	New York State Teachers Retirement System	44,953	$3.06M	0.0%	+0.7%	0.054%
4/27/2026	Sierra Summit Advisors LLC	11,790	$803K	0.1%	+43.6%	0.014%
4/25/2026	Strs Ohio	21,400	$1.46M	0.0%	+3.9%	0.026%
4/23/2026	Inspire Investing LLC	7,559	$515K	0.0%	+23.1%	0.009%
4/22/2026	Janney Montgomery Scott LLC	5,380	$367K	0.0%	-5.3%	0.006%
4/22/2026	Pictet Asset Management Holding SA	1,183,720	$80.06M	0.1%	+20.9%	1.430%
4/22/2026	Sterling Capital Management LLC	1,983	$135K	0.0%	-62.5%	0.002%

PTCT Institutional Ownership - Frequently Asked Questions

During the previous two years, 359 institutional investors and hedge funds held shares of PTC Therapeutics. The most heavily invested institutionals were BlackRock Inc. ($1.14B), Vanguard Group Inc. ($668.69M), Jupiter Topco LLC ($590.18M), Janus Henderson Group PLC ($490.00M), Wellington Management Group LLP ($336.74M), State Street Corp ($319.50M), and Toronto Dominion Bank ($314.34M).Learn more on PTC Therapeutics' institutional investors.

Of the 322 institutional investors that purchased PTC Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($13.96M), Toronto Dominion Bank ($7.47M), Jupiter Topco LLC ($7.24M), Janus Henderson Group PLC ($3.88M), Jefferies Financial Group Inc. ($3.02M), Bank of America Corp DE ($1.91M), and State Street Corp ($1.76M).

Institutional investors have bought a total of 48,599,054 shares in the last 24 months. This purchase volume represents approximately $3.75B in transactions.

Of the 116 institutional investors that sold PTC Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($5.36M), Armistice Capital LLC ($1.93M), Wellington Management Group LLP ($1.05M), Man Group plc ($655.33K), Assenagon Asset Management S.A. ($631.95K), Vanguard Group Inc. ($558.47K), and Pacer Advisors Inc. ($505.16K).

Institutional investors have sold a total of 15,228,268 shares in the last 24 months. This volume of shares sold represents approximately $1.02B in transactions.

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Institutional ownership data for NASDAQ:PTCT is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.

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PTC Therapeutics (PTCT) Institutional Ownership

PTCT Institutional Buying and Selling by Quarter

PTC Therapeutics Major Shareholders & Ownership History

PTCT Institutional Ownership - Frequently Asked Questions

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PTC Therapeutics (PTCT) Institutional Ownership

Institutional Ownership Changes (13F Filings) for PTC Therapeutics (NASDAQ:PTCT)

PTCT Institutional Buying and Selling by Quarter

PTC Therapeutics Major Shareholders & Ownership History

PTCT Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of PTCT shares?

Which institutional investors have been buying PTC Therapeutics' stock?

How much institutional buying is happening at PTC Therapeutics?

Which of PTC Therapeutics' major shareholders have been selling company stock?

How much institutional selling is happening at PTC Therapeutics?

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