There is a long list of 230 institutional holders of PDM 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 PDM by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-PDM table below, the initial column indicates the name of each top institutional holder of PDM, with a link to that fund's top holdings. The next columns indicate the amount of PDM stock held by each of the institutional holders of PDM, followed by the PDM 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.	18,825,523	$133,849	12/31/2023
PDM	18,825,523	$133,849	12/31/2023
BlackRock Inc.	17,039,244	$121,149	12/31/2023
PDM	17,039,244	$121,149	12/31/2023
State Street Corp	6,255,885	$45,248	12/31/2023
PDM	6,255,885	$45,248	12/31/2023
Private Management Group Inc.	4,616,526	$32,824	12/31/2023
PDM	4,616,526	$32,824	12/31/2023
LSV Asset Management	4,495,094	$31,960	12/31/2023
PDM	4,495,094	$31,960	12/31/2023
Charles Schwab Investment Management Inc.	3,412,069	$24,260	12/31/2023
PDM	3,412,069	$24,260	12/31/2023
Geode Capital Management LLC	2,992,604	$21,279	12/31/2023
PDM	2,992,604	$21,279	12/31/2023
Fuller & Thaler Asset Management Inc.	2,814,266	$20,009	12/31/2023
PDM	2,814,266	$20,009	12/31/2023
Wilsey Asset Management Inc.	2,597,119	$18,258	03/31/2024
PDM	2,597,119	$18,258	03/31/2024
Nuveen Asset Management LLC	2,183,081	$15,523	12/31/2023
PDM	2,183,081	$15,523	12/31/2023
Morgan Stanley	2,179,933	$15,499	12/31/2023
PDM	2,179,933	$15,499	12/31/2023
Man Group plc	1,887,321	$13,419	12/31/2023
PDM	1,887,321	$13,419	12/31/2023
Dimensional Fund Advisors LP	1,698,865	$12,080	12/31/2023
PDM	1,698,865	$12,080	12/31/2023
Glenmede Trust Co. NA	1,642,370	$11,677	12/31/2023
PDM	1,642,370	$11,677	12/31/2023
Northern Trust Corp	1,457,546	$10,363	12/31/2023
PDM	1,457,546	$10,363	12/31/2023
Cbre Clarion Securities LLC	1,449,081	$10,303	12/31/2023
PDM	1,449,081	$10,303	12/31/2023
Norges Bank	1,356,128	$9,642	12/31/2023
PDM	1,356,128	$9,642	12/31/2023
Invesco Ltd.	1,330,173	$9,458	12/31/2023
PDM	1,330,173	$9,458	12/31/2023
ExodusPoint Capital Management LP	1,243,482	$8,841	12/31/2023
PDM	1,243,482	$8,841	12/31/2023
Wellington Management Group LLP	1,202,281	$8,548	12/31/2023
PDM	1,202,281	$8,548	12/31/2023
Systematic Financial Management LP	1,140,295	$8,108	12/31/2023
PDM	1,140,295	$8,108	12/31/2023
Goldman Sachs Group Inc.	1,118,757	$7,954	12/31/2023
PDM	1,118,757	$7,954	12/31/2023
AQR Capital Management LLC	1,092,637	$7,769	12/31/2023
PDM	1,092,637	$7,769	12/31/2023
Two Sigma Advisers LP	910,700	$6,475	12/31/2023
PDM	910,700	$6,475	12/31/2023
UBS Asset Management Americas Inc.	863,826	$6,142	12/31/2023
PDM	863,826	$6,142	12/31/2023
Legal & General Group Plc	857,781	$6,099	12/31/2023
PDM	857,781	$6,099	12/31/2023
DC Investments Management LLC	808,000	$5,745	12/31/2023
PDM	808,000	$5,745	12/31/2023
Bank of America Corp DE	687,726	$4,890	12/31/2023
PDM	687,726	$4,890	12/31/2023
Bank of New York Mellon Corp	646,708	$4,546	03/31/2024
PDM	646,708	$4,546	03/31/2024
JPMorgan Chase & Co.	624,059	$4,437	12/31/2023
PDM	624,059	$4,437	12/31/2023
Nordea Investment Management AB	603,791	$4,353	12/31/2023
PDM	603,791	$4,353	12/31/2023
Massachusetts Financial Services Co. MA	580,059	$4,124	12/31/2023
PDM	580,059	$4,124	12/31/2023
Arrowstreet Capital Limited Partnership	558,038	$3,968	12/31/2023
PDM	558,038	$3,968	12/31/2023
Macquarie Group Ltd.	550,138	$3,911	12/31/2023
PDM	550,138	$3,911	12/31/2023
Panagora Asset Management Inc.	539,630	$3,837	12/31/2023
PDM	539,630	$3,837	12/31/2023
Millennium Management LLC	495,823	$3,525	12/31/2023
PDM	495,823	$3,525	12/31/2023
UBS Group AG	430,307	$3,059	12/31/2023
PDM	430,307	$3,059	12/31/2023
Prudential Financial Inc.	399,136	$2,838	12/31/2023
PDM	399,136	$2,838	12/31/2023
Marshall Wace LLP	390,757	$2,778	12/31/2023
PDM	390,757	$2,778	12/31/2023
Strs Ohio	353,460	$2,513	12/31/2023
PDM	353,460	$2,513	12/31/2023
Two Sigma Investments LP	349,043	$2,482	12/31/2023
PDM	349,043	$2,482	12/31/2023
Robeco Institutional Asset Management B.V.	330,293	$2,322	03/31/2024
PDM	330,293	$2,322	03/31/2024
Caxton Associates LP	296,380	$2,107	12/31/2023
PDM	296,380	$2,107	12/31/2023
Barclays PLC	286,610	$2,038	12/31/2023
PDM	286,610	$2,038	12/31/2023
Guggenheim Capital LLC	285,097	$2,027	12/31/2023
PDM	285,097	$2,027	12/31/2023
Credit Suisse AG	249,122	$1,771	12/31/2023
PDM	249,122	$1,771	12/31/2023
Swiss National Bank	243,800	$1,733	12/31/2023
PDM	243,800	$1,733	12/31/2023
AXA S.A.	240,611	$1,711	12/31/2023
PDM	240,611	$1,711	12/31/2023
Franklin Resources Inc.	225,872	$1,606	12/31/2023
PDM	225,872	$1,606	12/31/2023
Rhumbline Advisers	225,078	$1,600	12/31/2023
PDM	225,078	$1,600	12/31/2023