There is a long list of 66 institutional holders of PFIE 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 PFIE by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-PFIE table below, the initial column indicates the name of each top institutional holder of PFIE, with a link to that fund's top holdings. The next columns indicate the amount of PFIE stock held by each of the institutional holders of PFIE, followed by the PFIE 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
AWM Investment Company Inc.	2,619,956	$4,742	12/31/2023
PFIE	2,619,956	$4,742	12/31/2023
Royce & Associates LP	2,002,361	$3,624	12/31/2023
PFIE	2,002,361	$3,624	12/31/2023
Ameriprise Financial Inc.	1,692,500	$3,063	12/31/2023
PFIE	1,692,500	$3,063	12/31/2023
Wells Fargo & Company MN	1,637,919	$2,965	12/31/2023
PFIE	1,637,919	$2,965	12/31/2023
Pacific Ridge Capital Partners LLC	1,583,470	$2,866	12/31/2023
PFIE	1,583,470	$2,866	12/31/2023
Everett Harris & Co. CA	1,484,591	$2,746	03/31/2024
PFIE	1,484,591	$2,746	03/31/2024
Renaissance Technologies LLC	1,398,354	$2,531	12/31/2023
PFIE	1,398,354	$2,531	12/31/2023
Vanguard Group Inc.	1,368,557	$2,477	12/31/2023
PFIE	1,368,557	$2,477	12/31/2023
King Luther Capital Management Corp	1,029,252	$1,863	12/31/2023
PFIE	1,029,252	$1,863	12/31/2023
Perkins Capital Management Inc.	936,732	$1,695	12/31/2023
PFIE	936,732	$1,695	12/31/2023
Navellier & Associates Inc	472,151	$855	12/31/2023
PFIE	472,151	$855	12/31/2023
BlackRock Inc.	435,598	$788	12/31/2023
PFIE	435,598	$788	12/31/2023
Geode Capital Management LLC	384,621	$696	12/31/2023
PFIE	384,621	$696	12/31/2023
AMH Equity Ltd	381,450	$690	12/31/2023
PFIE	381,450	$690	12/31/2023
Perritt Capital Management Inc.	329,113	$596	12/31/2023
PFIE	329,113	$596	12/31/2023
Essex Investment Management Co. LLC	325,530	$589	12/31/2023
PFIE	325,530	$589	12/31/2023
Dimensional Fund Advisors LP	212,297	$384	12/31/2023
PFIE	212,297	$384	12/31/2023
Two Sigma Investments LP	205,190	$371	12/31/2023
PFIE	205,190	$371	12/31/2023
Acadian Asset Management LLC	180,661	$326	12/31/2023
PFIE	180,661	$326	12/31/2023
Two Sigma Advisers LP	172,100	$312	12/31/2023
PFIE	172,100	$312	12/31/2023
O Shaughnessy Asset Management LLC	151,419	$274	12/31/2023
PFIE	151,419	$274	12/31/2023
State Street Corp	146,128	$264	12/31/2023
PFIE	146,128	$264	12/31/2023
Berkshire Asset Management LLC PA	144,664	$262	12/31/2023
PFIE	144,664	$262	12/31/2023
Occudo Quantitative Strategies LP	122,337	$221	12/31/2023
PFIE	122,337	$221	12/31/2023
Millennium Management LLC	112,611	$204	12/31/2023
PFIE	112,611	$204	12/31/2023
Marshall Wace LLP	112,570	$204	12/31/2023
PFIE	112,570	$204	12/31/2023
UBS Group AG	110,412	$200	12/31/2023
PFIE	110,412	$200	12/31/2023
Susquehanna International Group LLP	94,027	$170	12/31/2023
PFIE	94,027	$170	12/31/2023
Qube Research & Technologies Ltd	88,784	$161	12/31/2023
PFIE	88,784	$161	12/31/2023
Ritholtz Wealth Management	85,442	$158	03/31/2024
PFIE	85,442	$158	03/31/2024
Northern Trust Corp	86,968	$157	12/31/2023
PFIE	86,968	$157	12/31/2023
Quadrature Capital Ltd	46,270	$84	12/31/2023
PFIE	46,270	$84	12/31/2023
Change Path LLC	41,342	$75	12/31/2023
PFIE	41,342	$75	12/31/2023
Dynamic Advisor Solutions LLC	37,300	$69	03/31/2024
PFIE	37,300	$69	03/31/2024
Townsquare Capital LLC	37,970	$69	12/31/2023
PFIE	37,970	$69	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	28,344	$51	12/31/2023
PFIE	28,344	$51	12/31/2023
Charles Schwab Investment Management Inc.	27,669	$50	12/31/2023
PFIE	27,669	$50	12/31/2023
Goldman Sachs Group Inc.	27,769	$50	12/31/2023
PFIE	27,769	$50	12/31/2023
Legato Capital Management LLC	24,625	$46	03/31/2024
PFIE	24,625	$46	03/31/2024
The PNC Financial Services Group Inc.	25,000	$45	12/31/2023
PFIE	25,000	$45	12/31/2023
Citadel Advisors LLC	21,642	$39	12/31/2023
PFIE	21,642	$39	12/31/2023
Thompson Davis & CO. Inc.	20,900	$38	12/31/2023
PFIE	20,900	$38	12/31/2023
Prudential Financial Inc.	20,000	$36	12/31/2023
PFIE	20,000	$36	12/31/2023
Royal Bank of Canada	18,966	$34	12/31/2023
PFIE	18,966	$34	12/31/2023
Cutter & CO Brokerage Inc.	16,350	$30	12/31/2023
PFIE	16,350	$30	12/31/2023
Bayesian Capital Management LP	15,952	$29	12/31/2023
PFIE	15,952	$29	12/31/2023
Prime Capital Investment Advisors LLC	16,235	$29	12/31/2023
PFIE	16,235	$29	12/31/2023
Morgan Stanley	14,397	$26	12/31/2023
PFIE	14,397	$26	12/31/2023
American Century Companies Inc.	13,894	$25	12/31/2023
PFIE	13,894	$25	12/31/2023
Prelude Capital Management LLC	13,742	$25	12/31/2023
PFIE	13,742	$25	12/31/2023