On this page, we present all of the funds holding XMTR from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding XMTR, with a link to that fund's top holdings. The next columns indicate the amount of XMTR stock held by each of the funds holding XMTR, followed by the XMTR position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 145 funds holding XMTR within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Primecap Management Co. CA. For more details on the positions held by Primecap Management Co. CA (or by any of the other funds holding XMTR), click the fund name in the "Holder" column of the funds-holding-XMTR table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Primecap Management Co. CA	6,652,858	$238,904	12/31/2023
XMTR	6,652,858	$238,904	12/31/2023
Brown Capital Management LLC	5,969,016	$214,347	12/31/2023
XMTR	5,969,016	$214,347	12/31/2023
Eventide Asset Management LLC		$206,323	12/31/2023
XMTR	5,690,345	$204,340	12/31/2023
NOTE 1	2,100,000	$1,983	12/31/2023
Vanguard Group Inc.	3,800,370	$136,471	12/31/2023
XMTR	3,800,370	$136,471	12/31/2023
Price T Rowe Associates Inc. MD	2,711,668	$97,377	12/31/2023
XMTR	2,711,668	$97,377	12/31/2023
BlackRock Inc.		$97,081	12/31/2023
XMTR	2,660,277	$95,531	12/31/2023
NOTE 1	1,650,000	$1,550	12/31/2023
FMR LLC	2,479,041	$89,022	12/31/2023
XMTR	2,479,041	$89,022	12/31/2023
Fred Alger Management LLC	2,081,030	$74,730	12/31/2023
XMTR	2,081,030	$74,730	12/31/2023
Owls Nest Partners IA LLC	1,945,647	$69,868	12/31/2023
XMTR	1,945,647	$69,868	12/31/2023
Alkeon Capital Management LLC	1,100,897	$39,533	12/31/2023
XMTR	1,100,897	$39,533	12/31/2023
New York State Common Retirement Fund	1,093,862	$39,281	12/31/2023
XMTR	1,093,862	$39,281	12/31/2023
Clearbridge Investments LLC	1,052,692	$37,802	12/31/2023
XMTR	1,052,692	$37,802	12/31/2023
Wolverine Asset Management LLC		$37,075	12/31/2023
NOTE 1	39,467,000	$37,082	12/31/2023
Put	200	$7	12/31/2023
Context Capital Management LLC		$31,984	12/31/2023
NOTE 1	33,863,000	$31,984	12/31/2023
Highbridge Capital Management LLC		$30,289	12/31/2023
BOND	32,850,000	$30,289	12/31/2023
Whitebox Advisors LLC		$29,815	12/31/2023
NOTE 1	31,735,000	$29,815	12/31/2023
Geode Capital Management LLC	823,953	$29,592	12/31/2023
XMTR	823,953	$29,592	12/31/2023
Shaolin Capital Management LLC		$28,111	12/31/2023
NOTE 1	30,000,000	$28,111	12/31/2023
State Street Corp	751,986	$27,004	12/31/2023
XMTR	751,986	$27,004	12/31/2023
Janus Henderson Group PLC	711,048	$25,534	12/31/2023
XMTR	711,048	$25,534	12/31/2023
Wellington Management Group LLP	589,400	$21,165	12/31/2023
XMTR	589,400	$21,165	12/31/2023
Blair William & Co. IL	485,730	$17,443	12/31/2023
XMTR	485,730	$17,443	12/31/2023
CNH Partners LLC		$16,907	12/31/2023
NOTE 1	17,901,000	$16,907	12/31/2023
Foundry Group Next LLC	400,000	$14,364	12/31/2023
XMTR	400,000	$14,364	12/31/2023
Glynn Capital Management LLC	361,747	$12,990	12/31/2023
XMTR	361,747	$12,990	12/31/2023
Northern Trust Corp	328,655	$11,802	12/31/2023
XMTR	328,655	$11,802	12/31/2023
Charles Schwab Investment Management Inc.	304,341	$10,929	12/31/2023
XMTR	304,341	$10,929	12/31/2023
Ameriprise Financial Inc.	274,049	$9,841	12/31/2023
XMTR	274,049	$9,841	12/31/2023
DeepCurrents Investment Group LLC		$8,598	12/31/2023
NOTE 1	9,150,000	$8,598	12/31/2023
Morgan Stanley	217,239	$7,801	12/31/2023
XMTR	217,239	$7,801	12/31/2023
Sei Investments Co.	213,802	$7,678	12/31/2023
XMTR	213,802	$7,678	12/31/2023
Marathon Partners Equity Management LLC	205,500	$7,380	12/31/2023
XMTR	205,500	$7,380	12/31/2023
Zevenbergen Capital Investments LLC	199,495	$7,164	12/31/2023
XMTR	199,495	$7,164	12/31/2023
Voloridge Investment Management LLC	184,909	$6,640	12/31/2023
XMTR	184,909	$6,640	12/31/2023
Vitruvian Partners LLP	166,222	$5,969	12/31/2023
XMTR	166,222	$5,969	12/31/2023
Lisanti Capital Growth LLC	138,465	$4,972	12/31/2023
XMTR	138,465	$4,972	12/31/2023
Raymond James & Associates	287,299	$4,852	03/31/2024
XMTR	287,299	$4,852	03/31/2024
Cerity Partners LLC	133,442	$4,792	12/31/2023
XMTR	133,442	$4,792	12/31/2023
Dimensional Fund Advisors LP	128,967	$4,631	12/31/2023
XMTR	128,967	$4,631	12/31/2023
JPMorgan Chase & Co.		$4,351	12/31/2023
BOND	2,553,000	$2,354	12/31/2023
XMTR	55,622	$1,997	12/31/2023
Citadel Advisors LLC		$4,268	12/31/2023
XMTR	93,960	$3,374	12/31/2023
Call	38,400	$1,379	12/31/2023
Put	13,500	$485	12/31/2023
Bank of America Corp DE	117,714	$4,227	12/31/2023
XMTR	117,714	$4,227	12/31/2023
Nuveen Asset Management LLC	101,699	$3,652	12/31/2023
XMTR	101,699	$3,652	12/31/2023
Crestwood Capital Management L.P.	97,570	$3,504	12/31/2023
XMTR	97,570	$3,504	12/31/2023
Goldman Sachs Group Inc.	89,711	$3,222	12/31/2023
XMTR	89,711	$3,222	12/31/2023
HBK Sorce Advisory LLC	84,009	$3,017	12/31/2023
XMTR	84,009	$3,017	12/31/2023
Nicholas Investment Partners LP	82,172	$2,951	12/31/2023
XMTR	82,172	$2,951	12/31/2023
Swiss National Bank	75,900	$2,726	12/31/2023
XMTR	75,900	$2,726	12/31/2023
Credit Suisse AG		$2,707	12/31/2023
NOTE 1	1,482,000	$1,482	12/31/2023
XMTR	34,124	$1,225	12/31/2023
Susquehanna Portfolio Strategies LLC	72,431	$2,601	12/31/2023
XMTR	72,431	$2,601	12/31/2023
ARK Investment Management LLC	151,459	$2,558	03/31/2024
XMTR	151,459	$2,558	03/31/2024
Royal Bank of Canada	68,740	$2,468	12/31/2023
XMTR	68,740	$2,468	12/31/2023
Lazard Asset Management LLC	59,500	$2,136	12/31/2023
XMTR	59,500	$2,136	12/31/2023
Sylebra Capital LLC	58,291	$2,093	12/31/2023
XMTR	58,291	$2,093	12/31/2023
Susquehanna International Group LLP		$2,091	12/31/2023
XMTR	41,749	$1,499	12/31/2023
Call	36,100	$1,296	12/31/2023
Put	19,600	$704	12/31/2023
Hill City Capital LP	55,000	$1,975	12/31/2023
XMTR	55,000	$1,975	12/31/2023
Barclays PLC	54,240	$1,948	12/31/2023
XMTR	54,240	$1,948	12/31/2023
Bank of New York Mellon Corp	115,275	$1,947	03/31/2024
XMTR	115,275	$1,947	03/31/2024
Rhumbline Advisers	53,133	$1,908	12/31/2023
XMTR	53,133	$1,908	12/31/2023
PDT Partners LLC	49,980	$1,795	12/31/2023
XMTR	49,980	$1,795	12/31/2023
UBS Asset Management Americas Inc.	47,891	$1,720	12/31/2023
XMTR	47,891	$1,720	12/31/2023
California State Teachers Retirement System	39,878	$1,432	12/31/2023
XMTR	39,878	$1,432	12/31/2023
State of Wisconsin Investment Board	39,590	$1,422	12/31/2023
XMTR	39,590	$1,422	12/31/2023
Two Sigma Investments LP	39,191	$1,407	12/31/2023
XMTR	39,191	$1,407	12/31/2023
UBS Group AG	35,837	$1,287	12/31/2023
XMTR	35,837	$1,287	12/31/2023
Allspring Global Investments Holdings LLC	73,990	$1,250	03/31/2024
XMTR	73,990	$1,250	03/31/2024
Envestnet Asset Management Inc.	34,798	$1,250	12/31/2023
XMTR	34,798	$1,250	12/31/2023
Legal & General Group Plc	34,688	$1,246	12/31/2023
XMTR	34,688	$1,246	12/31/2023
Balyasny Asset Management LLC	32,240	$1,158	12/31/2023
XMTR	32,240	$1,158	12/31/2023
GSA Capital Partners LLP	31,436	$1,129	12/31/2023
XMTR	31,436	$1,129	12/31/2023
Alliancebernstein L.P.	31,340	$1,125	12/31/2023
XMTR	31,340	$1,125	12/31/2023
Chevy Chase Trust Holdings Inc.	31,306	$1,124	12/31/2023
XMTR	31,306	$1,124	12/31/2023
Citigroup Inc.		$1,113	12/31/2023
NOTE 1	1,000,000	$940	12/31/2023
XMTR	4,828	$173	12/31/2023
Readystate Asset Management LP		$1,033	12/31/2023
NOTE 1	11,000	$1,033	12/31/2023
Invesco Ltd.	28,480	$1,023	12/31/2023
XMTR	28,480	$1,023	12/31/2023
The PNC Financial Services Group Inc.	28,449	$1,022	12/31/2023
XMTR	28,449	$1,022	12/31/2023
Marshall Wace LLP	27,980	$1,005	12/31/2023
XMTR	27,980	$1,005	12/31/2023
Franklin Resources Inc.	27,374	$983	12/31/2023
XMTR	27,374	$983	12/31/2023
Jane Street Group LLC		$945	12/31/2023
XMTR	36,930	$1,326	12/31/2023
Put	10,600	$381	12/31/2023
LPL Financial LLC	22,524	$809	12/31/2023
XMTR	22,524	$809	12/31/2023
Values First Advisors Inc.	47,598	$804	03/31/2024
XMTR	47,598	$804	03/31/2024
Dakota Wealth Management	45,499	$768	03/31/2024
XMTR	45,499	$768	03/31/2024
G2 Investment Partners Management LLC		$748	12/31/2023
XMTR	50,811	$1,825	12/31/2023
Put	30,000	$1,077	12/31/2023
Walleye Capital LLC		$713	12/31/2023
XMTR	13,942	$501	12/31/2023
Call	8,100	$291	12/31/2023
Put	2,200	$79	12/31/2023
MetLife Investment Management LLC	18,027	$647	12/31/2023
XMTR	18,027	$647	12/31/2023
Americana Partners LLC	18,000	$646	12/31/2023
XMTR	18,000	$646	12/31/2023
Austin Wealth Management LLC	18,000	$646	12/31/2023
XMTR	18,000	$646	12/31/2023
Deutsche Bank AG	17,286	$621	12/31/2023
XMTR	17,286	$621	12/31/2023
American International Group Inc.	16,881	$606	12/31/2023
XMTR	16,881	$606	12/31/2023
Mirae Asset Global Investments Co. Ltd.	15,010	$539	12/31/2023
XMTR	15,010	$539	12/31/2023
Squarepoint Ops LLC	14,811	$532	12/31/2023
XMTR	14,811	$532	12/31/2023
Voya Investment Management LLC	13,573	$487	12/31/2023
XMTR	13,573	$487	12/31/2023
The Manufacturers Life Insurance Company	13,336	$479	12/31/2023
XMTR	13,336	$479	12/31/2023
Russell Investments Group Ltd.	12,850	$461	12/31/2023
XMTR	12,850	$461	12/31/2023
FORA Capital LLC	12,609	$453	12/31/2023
XMTR	12,609	$453	12/31/2023
Boothbay Fund Management LLC	11,765	$422	12/31/2023
XMTR	11,765	$422	12/31/2023
Arizona State Retirement System	10,762	$386	12/31/2023
XMTR	10,762	$386	12/31/2023
Wells Fargo & Company MN	10,337	$371	12/31/2023
XMTR	10,337	$371	12/31/2023
SG Americas Securities LLC	10,292	$370	12/31/2023
XMTR	10,292	$370	12/31/2023
Yarbrough Capital LLC	21,527	$364	03/31/2024
XMTR	21,527	$364	03/31/2024
PEAK6 Investments LLC		$356	12/31/2023
Call	9,900	$356	12/31/2023
State Board of Administration of Florida Retirement System	9,700	$348	12/31/2023
XMTR	9,700	$348	12/31/2023
Truist Financial Corp	9,148	$329	12/31/2023
XMTR	9,148	$329	12/31/2023
Advisor Group Holdings Inc.	8,740	$314	12/31/2023
XMTR	8,740	$314	12/31/2023
Tower Research Capital LLC TRC	8,578	$308	12/31/2023
XMTR	8,578	$308	12/31/2023
Nisa Investment Advisors LLC	8,035	$289	12/31/2023
XMTR	8,035	$289	12/31/2023
Barr E S & Co.	7,483	$269	12/31/2023
XMTR	7,483	$269	12/31/2023
Commonwealth Equity Services LLC	15,300	$258	03/31/2024
XMTR	15,300	$258	03/31/2024
Zurcher Kantonalbank Zurich Cantonalbank	14,802	$250	03/31/2024
XMTR	14,802	$250	03/31/2024
Allen Investment Management LLC	6,414	$230	12/31/2023
XMTR	6,414	$230	12/31/2023
State of Wyoming	6,038	$217	12/31/2023
XMTR	6,038	$217	12/31/2023
Pictet Asset Management Holding SA	5,686	$204	12/31/2023
XMTR	5,686	$204	12/31/2023
ProShare Advisors LLC	5,622	$202	12/31/2023
XMTR	5,622	$202	12/31/2023
US Bancorp DE	3,887	$140	12/31/2023
XMTR	3,887	$140	12/31/2023
Quest Partners LLC	3,480	$125	12/31/2023
XMTR	3,480	$125	12/31/2023
Ameritas Investment Partners Inc.	3,374	$121	12/31/2023
XMTR	3,374	$121	12/31/2023
Metropolitan Life Insurance Co NY	1,964	$71	12/31/2023
XMTR	1,964	$71	12/31/2023
Comerica Bank	1,723	$62	12/31/2023
XMTR	1,723	$62	12/31/2023
FWL Investment Management LLC	600	$22	12/31/2023
XMTR	600	$22	12/31/2023
Amalgamated Bank	1,243	$21	03/31/2024
XMTR	1,243	$21	03/31/2024
EverSource Wealth Advisors LLC	380	$14	12/31/2023
XMTR	380	$14	12/31/2023
Harbor Investment Advisory LLC	669	$11	03/31/2024
XMTR	669	$11	03/31/2024
Operose Advisors LLC	303	$11	12/31/2023
XMTR	303	$11	12/31/2023
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	182	$6	12/31/2023
XMTR	182	$6	12/31/2023
Private Trust Co. NA	282	$5	03/31/2024
XMTR	282	$5	03/31/2024
Signaturefd LLC	133	$5	12/31/2023
XMTR	133	$5	12/31/2023
Quadrant Capital Group LLC	119	$4	12/31/2023
XMTR	119	$4	12/31/2023
Northwestern Mutual Wealth Management Co.	74	$3	12/31/2023
XMTR	74	$3	12/31/2023
Advisors Asset Management Inc.	77	$3	12/31/2023
XMTR	77	$3	12/31/2023
Advisory Services Network LLC	60	$2	12/31/2023
XMTR	60	$2	12/31/2023
Stone House Investment Management LLC	50	$2	12/31/2023
XMTR	50	$2	12/31/2023
CWM LLC	66	$1	03/31/2024
XMTR	66	$1	03/31/2024
Lindbrook Capital LLC	43	$1	03/31/2024
XMTR	43	$1	03/31/2024
Spire Wealth Management	65	$1	03/31/2024
XMTR	65	$1	03/31/2024
GAMMA Investing LLC	87	$1	03/31/2024
XMTR	87	$1	03/31/2024
GWM Advisors LLC	23	$1	12/31/2023
XMTR	23	$1	12/31/2023
Benjamin F. Edwards & Company Inc.	13	$0	03/31/2024
XMTR	13	$0	03/31/2024
Nelson Van Denburg & Campbell Wealth Management Group LLC	7	$0	03/31/2024
XMTR	7	$0	03/31/2024
SYSTM Wealth Solutions LLC	17	$0	03/31/2024
XMTR	17	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
XMTR	0	$0	12/31/2023
NOTE 1	0	$0	12/31/2023
Elequin Capital LP	7	$0	12/31/2023
XMTR	7	$0	12/31/2023
Covestor Ltd	6	$0	12/31/2023
XMTR	6	$0	12/31/2023
Farther Finance Advisors LLC	2	$0	12/31/2023
XMTR	2	$0	12/31/2023
Walleye Trading LLC		$-19	12/31/2023
Put	7,100	$255	12/31/2023
XMTR	5,863	$211	12/31/2023
Call	700	$25	12/31/2023
Group One Trading L.P.		$-74	12/31/2023
Put	3,800	$136	12/31/2023
Call	1,400	$50	12/31/2023
XMTR	323	$12	12/31/2023
Wolverine Trading LLC	29,700	$-1,067	12/31/2023
Put	29,700	$1,067	12/31/2023