There is a long list of 603 institutional holders of PTC within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of PTC by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-PTC table below, the initial column indicates the name of each top institutional holder of PTC, with a link to that fund's top holdings. The next columns indicate the amount of PTC stock held by each of the institutional holders of PTC, followed by the PTC position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Vanguard Group Inc.	13,535,246	$2,368,127	12/31/2023
PTC	13,535,246	$2,368,127	12/31/2023
BlackRock Inc.	11,180,324	$1,956,110	12/31/2023
PTC	11,180,324	$1,956,110	12/31/2023
T. Rowe Price Investment Management Inc.	9,655,805	$1,689,380	12/31/2023
PTC	9,655,805	$1,689,380	12/31/2023
State Street Corp	4,830,800	$845,197	12/31/2023
PTC	4,830,800	$845,197	12/31/2023
Pictet Asset Management Holding SA	4,361,614	$763,108	12/31/2023
PTC	4,361,614	$763,108	12/31/2023
Lone Pine Capital LLC	3,166,463	$554,004	12/31/2023
PTC	3,166,463	$554,004	12/31/2023
Geode Capital Management LLC	2,769,145	$483,285	12/31/2023
PTC	2,769,145	$483,285	12/31/2023
Invesco Ltd.	2,330,807	$407,798	12/31/2023
PTC	2,330,807	$407,798	12/31/2023
FMR LLC	2,130,777	$372,801	12/31/2023
PTC	2,130,777	$372,801	12/31/2023
Select Equity Group L.P.	1,873,305	$327,753	12/31/2023
PTC	1,873,305	$327,753	12/31/2023
Wellington Management Group LLP	1,680,421	$294,006	12/31/2023
PTC	1,680,421	$294,006	12/31/2023
FIL Ltd	1,645,661	$287,925	12/31/2023
PTC	1,645,661	$287,925	12/31/2023
Ownership Capital B.V.	1,355,983	$237,243	12/31/2023
PTC	1,355,983	$237,243	12/31/2023
Impax Asset Management Group plc	1,238,219	$215,451	12/31/2023
PTC	1,238,219	$215,451	12/31/2023
Northern Trust Corp	1,221,119	$213,647	12/31/2023
PTC	1,221,119	$213,647	12/31/2023
Franklin Resources Inc.	1,192,272	$208,600	12/31/2023
PTC	1,192,272	$208,600	12/31/2023
40 North Management LLC	1,155,000	$202,079	12/31/2023
PTC	1,155,000	$202,079	12/31/2023
Lazard Asset Management LLC	1,124,192	$196,687	12/31/2023
PTC	1,124,192	$196,687	12/31/2023
Robecosam AG	1,078,900	$188,764	12/31/2023
PTC	1,078,900	$188,764	12/31/2023
Charles Schwab Investment Management Inc.	1,037,724	$181,560	12/31/2023
PTC	1,037,724	$181,560	12/31/2023
Liontrust Investment Partners LLP	1,026,972	$179,679	12/31/2023
PTC	1,026,972	$179,679	12/31/2023
Twin Focus Capital Partners LLC	1,012,122	$177,081	12/31/2023
PTC	1,012,122	$177,081	12/31/2023
Citadel Advisors LLC		$163,442	12/31/2023
PTC	899,671	$157,406	12/31/2023
Call	45,100	$7,891	12/31/2023
Put	10,600	$1,855	12/31/2023
Bank of New York Mellon Corp	900,559	$157,562	12/31/2023
PTC	900,559	$157,562	12/31/2023
Legal & General Group Plc	866,373	$151,581	12/31/2023
PTC	866,373	$151,581	12/31/2023
Nuveen Asset Management LLC	841,997	$147,316	12/31/2023
PTC	841,997	$147,316	12/31/2023
Price T Rowe Associates Inc. MD	834,820	$146,061	12/31/2023
PTC	834,820	$146,061	12/31/2023
Rivulet Capital LLC	833,800	$145,882	12/31/2023
PTC	833,800	$145,882	12/31/2023
Sumitomo Mitsui Trust Holdings Inc.	765,069	$144,552	03/31/2024
PTC	765,069	$144,552	03/31/2024
Morgan Stanley	820,618	$143,575	12/31/2023
PTC	820,618	$143,575	12/31/2023
Alliancebernstein L.P.	780,090	$136,485	12/31/2023
PTC	780,090	$136,485	12/31/2023
Fernbridge Capital Management LP	780,010	$136,471	12/31/2023
PTC	780,010	$136,471	12/31/2023
Palestra Capital Management LLC	777,312	$135,999	12/31/2023
PTC	777,312	$135,999	12/31/2023
Eagle Asset Management Inc.	766,158	$134,047	12/31/2023
PTC	766,158	$134,047	12/31/2023
Durable Capital Partners LP	709,319	$124,102	12/31/2023
PTC	709,319	$124,102	12/31/2023
UBS Asset Management Americas Inc.	686,419	$120,096	12/31/2023
PTC	686,419	$120,096	12/31/2023
California Public Employees Retirement System	686,202	$120,058	12/31/2023
PTC	686,202	$120,058	12/31/2023
Deutsche Bank AG	684,975	$119,843	12/31/2023
PTC	684,975	$119,843	12/31/2023
Baird Financial Group Inc.	668,439	$116,950	12/31/2023
PTC	668,439	$116,950	12/31/2023
Kempen Capital Management N.V.	667,072	$116,711	12/31/2023
PTC	667,072	$116,711	12/31/2023
Norges Bank	651,822	$114,043	12/31/2023
PTC	651,822	$114,043	12/31/2023
Praesidium Investment Management Company LLC	628,672	$109,992	12/31/2023
PTC	628,672	$109,992	12/31/2023
DNB Asset Management AS	569,336	$107,570	03/31/2024
PTC	569,336	$107,570	03/31/2024
Perpetual Ltd	567,706	$107,262	03/31/2024
PTC	567,706	$107,262	03/31/2024
Bank of America Corp DE	544,194	$95,212	12/31/2023
PTC	544,194	$95,212	12/31/2023
Balyasny Asset Management LLC	543,266	$95,050	12/31/2023
PTC	543,266	$95,050	12/31/2023
Candriam Luxembourg S.C.A.	534,513	$93,523	12/31/2023
PTC	534,513	$93,523	12/31/2023
SurgoCap Partners LP	528,045	$92,387	12/31/2023
PTC	528,045	$92,387	12/31/2023
Millennium Management LLC	509,336	$89,113	12/31/2023
PTC	509,336	$89,113	12/31/2023
Aviva PLC	505,923	$88,516	12/31/2023
PTC	505,923	$88,516	12/31/2023