On this page, we present all of the funds holding PRTS from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding PRTS, with a link to that fund's top holdings. The next columns indicate the amount of PRTS stock held by each of the funds holding PRTS, followed by the PRTS position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 102 funds holding PRTS within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by BlackRock Inc.. For more details on the positions held by BlackRock Inc. (or by any of the other funds holding PRTS), click the fund name in the "Holder" column of the funds-holding-PRTS table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	5,556,485	$17,558	12/31/2023
PRTS	5,556,485	$17,558	12/31/2023
Vanguard Group Inc.	4,375,335	$13,826	12/31/2023
PRTS	4,375,335	$13,826	12/31/2023
Oaktop Capital Management II L.P.	3,725,185	$11,772	12/31/2023
PRTS	3,725,185	$11,772	12/31/2023
Nuveen Asset Management LLC	2,258,353	$7,136	12/31/2023
PRTS	2,258,353	$7,136	12/31/2023
North Star Investment Management Corp.	2,067,942	$6,535	12/31/2023
PRTS	2,067,942	$6,535	12/31/2023
Dimensional Fund Advisors LP	1,697,875	$5,366	12/31/2023
PRTS	1,697,875	$5,366	12/31/2023
Acadian Asset Management LLC	1,256,439	$3,969	12/31/2023
PRTS	1,256,439	$3,969	12/31/2023
D. E. Shaw & Co. Inc.	1,223,571	$3,866	12/31/2023
PRTS	1,223,571	$3,866	12/31/2023
Geode Capital Management LLC	1,158,433	$3,661	12/31/2023
PRTS	1,158,433	$3,661	12/31/2023
AQR Capital Management LLC	1,061,133	$3,353	12/31/2023
PRTS	1,061,133	$3,353	12/31/2023
State Street Corp	995,647	$3,146	12/31/2023
PRTS	995,647	$3,146	12/31/2023
Renaissance Technologies LLC	876,600	$2,770	12/31/2023
PRTS	876,600	$2,770	12/31/2023
First Eagle Investment Management LLC	792,767	$2,505	12/31/2023
PRTS	792,767	$2,505	12/31/2023
Wasatch Advisors Inc.	1,472,946	$2,386	03/31/2024
PRTS	1,472,946	$2,386	03/31/2024
Charles Schwab Investment Management Inc.	735,835	$2,325	12/31/2023
PRTS	735,835	$2,325	12/31/2023
Northern Trust Corp	483,235	$1,527	12/31/2023
PRTS	483,235	$1,527	12/31/2023
American Century Companies Inc.	428,311	$1,353	12/31/2023
PRTS	428,311	$1,353	12/31/2023
Goldman Sachs Group Inc.	419,912	$1,327	12/31/2023
PRTS	419,912	$1,327	12/31/2023
Essex Investment Management Co. LLC	385,911	$1,219	12/31/2023
PRTS	385,911	$1,219	12/31/2023
Portolan Capital Management LLC	372,430	$1,177	12/31/2023
PRTS	372,430	$1,177	12/31/2023
Man Group plc	361,816	$1,143	12/31/2023
PRTS	361,816	$1,143	12/31/2023
Isthmus Partners LLC	334,453	$1,057	12/31/2023
PRTS	334,453	$1,057	12/31/2023
FMR LLC	315,711	$998	12/31/2023
PRTS	315,711	$998	12/31/2023
RBF Capital LLC	300,000	$948	12/31/2023
PRTS	300,000	$948	12/31/2023
Panagora Asset Management Inc.	290,889	$919	12/31/2023
PRTS	290,889	$919	12/31/2023
Morgan Stanley	215,441	$681	12/31/2023
PRTS	215,441	$681	12/31/2023
Cubist Systematic Strategies LLC	205,713	$650	12/31/2023
PRTS	205,713	$650	12/31/2023
GSA Capital Partners LLP	204,260	$645	12/31/2023
PRTS	204,260	$645	12/31/2023
Barclays PLC	199,987	$631	12/31/2023
PRTS	199,987	$631	12/31/2023
Citadel Advisors LLC		$579	12/31/2023
PRTS	165,953	$524	12/31/2023
Call	20,000	$63	12/31/2023
Put	2,400	$8	12/31/2023
Qube Research & Technologies Ltd	163,891	$518	12/31/2023
PRTS	163,891	$518	12/31/2023
Bank of America Corp DE	162,596	$514	12/31/2023
PRTS	162,596	$514	12/31/2023
Advisor Group Holdings Inc.	157,982	$499	12/31/2023
PRTS	157,982	$499	12/31/2023
State of Wisconsin Investment Board	153,000	$483	12/31/2023
PRTS	153,000	$483	12/31/2023
Assenagon Asset Management S.A.	247,056	$400	03/31/2024
PRTS	247,056	$400	03/31/2024
Two Sigma Investments LP	120,786	$382	12/31/2023
PRTS	120,786	$382	12/31/2023
Bridgeway Capital Management Inc.	120,344	$380	12/31/2023
PRTS	120,344	$380	12/31/2023
Hsbc Holdings PLC	106,380	$345	12/31/2023
PRTS	106,380	$345	12/31/2023
Sierra Summit Advisors LLC	108,754	$344	12/31/2023
PRTS	108,754	$344	12/31/2023
Voya Investment Management LLC	96,569	$305	12/31/2023
PRTS	96,569	$305	12/31/2023
Hilltop Holdings Inc.	88,000	$278	12/31/2023
PRTS	88,000	$278	12/31/2023
Strs Ohio	84,000	$265	12/31/2023
PRTS	84,000	$265	12/31/2023
Dynamic Technology Lab Private Ltd	81,605	$258	12/31/2023
PRTS	81,605	$258	12/31/2023
Intellectus Partners LLC	81,156	$256	12/31/2023
PRTS	81,156	$256	12/31/2023
Bank of New York Mellon Corp	149,051	$241	03/31/2024
PRTS	149,051	$241	03/31/2024
Invesco Ltd.	72,559	$229	12/31/2023
PRTS	72,559	$229	12/31/2023
Rhumbline Advisers	67,980	$215	12/31/2023
PRTS	67,980	$215	12/31/2023
State of Tennessee Treasury Department	66,985	$212	12/31/2023
PRTS	66,985	$212	12/31/2023
XTX Topco Ltd	65,269	$206	12/31/2023
PRTS	65,269	$206	12/31/2023
SG Americas Securities LLC	63,615	$201	12/31/2023
PRTS	63,615	$201	12/31/2023
Graham Capital Management L.P.	62,903	$199	12/31/2023
PRTS	62,903	$199	12/31/2023
Occudo Quantitative Strategies LP	62,072	$196	12/31/2023
PRTS	62,072	$196	12/31/2023
UBS Group AG	56,347	$178	12/31/2023
PRTS	56,347	$178	12/31/2023
Aquatic Capital Management LLC	54,800	$173	12/31/2023
PRTS	54,800	$173	12/31/2023
Empowered Funds LLC	52,544	$166	12/31/2023
PRTS	52,544	$166	12/31/2023
Susquehanna International Group LLP		$153	12/31/2023
PRTS	54,864	$173	12/31/2023
Put	24,400	$77	12/31/2023
Call	17,900	$57	12/31/2023
Price T Rowe Associates Inc. MD	45,262	$144	12/31/2023
PRTS	45,262	$144	12/31/2023
Apollon Wealth Management LLC	44,158	$140	12/31/2023
PRTS	44,158	$140	12/31/2023
State of Wyoming	40,900	$129	12/31/2023
PRTS	40,900	$129	12/31/2023
JPMorgan Chase & Co.	39,083	$124	12/31/2023
PRTS	39,083	$124	12/31/2023
Jane Street Group LLC	39,209	$124	12/31/2023
PRTS	39,209	$124	12/31/2023
Dynamic Advisor Solutions LLC	74,458	$121	03/31/2024
PRTS	74,458	$121	03/31/2024
Alliancebernstein L.P.	36,200	$114	12/31/2023
PRTS	36,200	$114	12/31/2023
Squarepoint Ops LLC	35,544	$112	12/31/2023
PRTS	35,544	$112	12/31/2023
Algert Global LLC	32,840	$104	12/31/2023
PRTS	32,840	$104	12/31/2023
Two Sigma Advisers LP	30,900	$98	12/31/2023
PRTS	30,900	$98	12/31/2023
Deutsche Bank AG	30,722	$97	12/31/2023
PRTS	30,722	$97	12/31/2023
Whittier Trust Co.	30,000	$95	12/31/2023
PRTS	30,000	$95	12/31/2023
MetLife Investment Management LLC	27,557	$87	12/31/2023
PRTS	27,557	$87	12/31/2023
American International Group Inc.	27,058	$86	12/31/2023
PRTS	27,058	$86	12/31/2023
Aristides Capital LLC	25,198	$80	12/31/2023
PRTS	25,198	$80	12/31/2023
State Board of Administration of Florida Retirement System	22,534	$71	12/31/2023
PRTS	22,534	$71	12/31/2023
Royal Bank of Canada	22,017	$70	12/31/2023
PRTS	22,017	$70	12/31/2023
Prelude Capital Management LLC	22,100	$70	12/31/2023
PRTS	22,100	$70	12/31/2023
The Manufacturers Life Insurance Company	21,505	$68	12/31/2023
PRTS	21,505	$68	12/31/2023
Mackenzie Financial Corp	19,992	$63	12/31/2023
PRTS	19,992	$63	12/31/2023
Fort Washington Investment Advisors Inc. OH	36,021	$58	03/31/2024
PRTS	36,021	$58	03/31/2024
New York State Common Retirement Fund	17,774	$56	12/31/2023
PRTS	17,774	$56	12/31/2023
Raymond James & Associates	33,806	$55	03/31/2024
PRTS	33,806	$55	03/31/2024
Quantbot Technologies LP	16,770	$53	12/31/2023
PRTS	16,770	$53	12/31/2023
Captrust Financial Advisors	15,453	$49	12/31/2023
PRTS	15,453	$49	12/31/2023
Virtu Financial LLC	15,501	$49	12/31/2023
PRTS	15,501	$49	12/31/2023
Wells Fargo & Company MN	15,138	$48	12/31/2023
PRTS	15,138	$48	12/31/2023
Tower Research Capital LLC TRC	15,146	$48	12/31/2023
PRTS	15,146	$48	12/31/2023
Oxford Asset Management LLP	14,968	$47	12/31/2023
PRTS	14,968	$47	12/31/2023
Sherbrooke Park Advisers LLC	14,718	$47	12/31/2023
PRTS	14,718	$47	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	12,908	$41	12/31/2023
PRTS	12,908	$41	12/31/2023
California State Teachers Retirement System	8,960	$28	12/31/2023
PRTS	8,960	$28	12/31/2023
Citigroup Inc.	7,743	$24	12/31/2023
PRTS	7,743	$24	12/31/2023
Diversified Trust Co	14,095	$23	03/31/2024
PRTS	14,095	$23	03/31/2024
Legal & General Group Plc	6,522	$21	12/31/2023
PRTS	6,522	$21	12/31/2023
Simplex Trading LLC		$16	03/31/2024
Call	9,600	$15	03/31/2024
PRTS	838	$1	03/31/2024
Group One Trading L.P.		$16	12/31/2023
Call	5,200	$16	12/31/2023
Ameritas Investment Partners Inc.	3,715	$12	12/31/2023
PRTS	3,715	$12	12/31/2023
CWM LLC	4,537	$7	03/31/2024
PRTS	4,537	$7	03/31/2024
Amalgamated Bank	1,702	$3	03/31/2024
PRTS	1,702	$3	03/31/2024
Garner Asset Management Corp	1,000	$3	12/31/2023
PRTS	1,000	$3	12/31/2023
Metropolitan Life Insurance Co NY	765	$2	12/31/2023
PRTS	765	$2	12/31/2023
Sound Income Strategies LLC	250	$0	03/31/2024
PRTS	250	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
PRTS	0	$0	12/31/2023
Harbour Investments Inc.	25	$0	12/31/2023
PRTS	25	$0	12/31/2023
Truvestments Capital LLC	145	$0	12/31/2023
PRTS	145	$0	12/31/2023
Farther Finance Advisors LLC	25	$0	12/31/2023
PRTS	25	$0	12/31/2023